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This file describes changes in recent versions of Slurm. It primarily
documents those changes that are of interest to users and administrators.
* Changes in Slurm 23.02.0pre1
==============================
-- Make scontrol reconfigure and sending a SIGHUP to the slurmctld behave the
same. If you were using SIGHUP as a 'lighter' scontrol reconfigure to rotate
logs please update your scripts to use SIGUSR2 instead.
-- Add Account and QOS name type specifications for sprio output formatting.
-- openapi/[db]v0.0.36 - plugins have been removed.
-- openapi/[db]v0.0.37 - tagged as deprecated.
-- openapi/[db]v0.0.39 - forked plugin openapi/[db]v0.0.38.
-- Add SRUN_{ERROR,INPUT,OUTPUT} input environment variables for --error,
--input and --output options respectively.
-- Add MaxCPUsPerSocket to partition configuration, similar to MaxCPUsPerNode.
-- openapi/v0.0.39 - change nice request field from string to integer.
-- sacctmgr - no longer force updates to the AdminComment, Comment, or
SystemComment to lower-case.
-- openapi/dbv0.0.39 - more graceful handling of POSTs when expected field
lists are missing or unparsable.
-- burst_buffer/lua - pass the job's UID and GID to slurm_bb_pre_run,
slurm_bb_data_in, slurm_bb_post_run, and slurm_bb_data_out in
burst_buffer.lua.
-- openapi/v0.0.39 - add new field default_memory_per_node for partitions.
-- Change cloud nodes to show by default. PrivateData=cloud is no longer
needed.
-- Add -F/--future option to sinfo to display future nodes.
-- openapi/dbv0.0.39 - resolve job user from uid when user is not provided.
-- sacct/sinfo/squeue - use openapi/[db]v0.0.39 for --json and --yaml modes.
-- sdiag - Add --json and --yaml arguments.
-- Cgroupv2 plugin will not show "Controller is not enabled" error when started
from cmd.
-- sreport - Count planned (FKA reserved) time for jobs running in IGNORE_JOBS
reservations. Previously was lumped into IDLE time.
-- job_container/tmpfs - support running with an arbitrary list of private
mount points (/tmp and /dev/shm are nolonger required, but are the default).
-- sacct - Rename 'Reserved' field to 'Planned' to match sreport and the
nomenclature of the 'Planned' node.
-- oci.conf: Add %U as OCI pattern replacement to numeric user id.
-- cli_filter/lua, jobcomp/lua, job_submit/lua - expose all Slurm error codes.
-- jobcomp/elasticsearch - expose features field.
-- jobcomp/elasticsearch - post non-NULL but empty string fields.
-- Make advanced reservation flag MAINT not replace nodes, similar to
STATIC_ALLOC
-- NVML - Add usage gathering for Nvidia gpus.
-- node_features plugins - invalid users specified for AllowUserBoot will now
result in fatal() rather than just an error.
-- job_container/tmpfs - Set more environment variables in InitScript.
-- Make all cgroup directories created by Slurm owned by root.
-- sbatch - add parsing of #PBS -d and #PBS -w.
-- Avoid network receive error on heavily loaded machines where the network
operation can be restarted.
-- Deprecate AllowedKmemSpace, ConstrainKmemSpace, MaxKmemPercent, and
MinKmemSpace.
-- accounting_storage/mysql - change purge/archive to calculate record ages
based on end time, rather than start or submission times.
-- Add strigger --draining and -R/--resume options.
-- Allow updating SLURM_NTASKS environment variable (from scontrol update job).
-- Limit het job license requests to the leader job only.
-- Change --oversubscribe and --exclusive to be mutually exclusive for job
submission. Job submission commands will now fatal if both are set.
Previously, these options would override each other, with the last one in
the job submission command taking effect.
-- job_submit/lua - add support for log_user() from slurm_job_modify().
-- openapi/v0.0.39 - add submission of job->prefer value.
-- Fix tasks binding to GPUs when using --ntasks-per-gpu and GPUs have
different core/socket affinity.
-- Add support for padding StdOut/StdErr/StdIn format specifiers to scontrol
show job.
-- Fix sacctmgr qos filter to properly select assocs by qos inheritance rules.
-- Prevent slurmctld from starting with invalid jobcomp plugin.
-- Fix `sinfo -i` and interactive `scontrol> show node` replies for nodes
going from powering down to powered down state.
-- auth/jwt - support Azure (among other) JWKS files by preferring x5c field
over locally reconstructing an RSA256 key file.
-- auth/jwt - add optional AuthAltParameters field "userclaimfield=" to allow
overriding "sun" claim to site specific field.
-- scontrol - Requested TRES and allocated TRES will now always be printed when
showing jobs, instead of one TRES output that was either the requested or
allocated.
-- Improve scheduling performance for dynamic nodes and nodes with features by
consolidating like config records.
-- Expose argc and entire argv to job_submit and cli_filter plugins for jobs
submitted via salloc/srun or sbatch <script> (not via --wrap).
-- Job command/script name is now packed with no arguments, thus clients
displaying job information will only show the command/script name.
-- Make acct_gather_energy plugins handle slurmd reconfiguration and support
restart for gpu and xcc implementations.
-- Fix --slurmd-debug to treat its argument as log level (as documented)
instead of previous approach with it being an offset to configured log
level.
-- srun --slurmd-debug option is now only allowed for root and SlurmUser
-- Change 'scontrol requeue' behavior for scron jobs to use cronspec to
determine the next start time.
-- serializer/url-encoded - interpet query keys without a value (flags) to be
true instead of NULL.
-- Add --autocomplete= option to all client commands.
-- Allow for concurrent processing of job_submit_g_submit() and
job_submit_g_modify() calls.
-- Allow jobs to queue even if the user is not in AllowGroups when
EnforcePartLimits=no is set. This ensures consistency for all the Partition
access controls, and matches the documented behavior for EnforcePartLimits.
-- Fix srun tasks binding/allocation when using --ntasks-per-core option. Now,
--ntasks-per-core=1 implies --cpu-bind=cores and --ntasks-per-core>1 implies
--cpu-bind=threads.
-- salloc/sbatch/srun check and abort if ntasks-per-core > threads-per-core.
-- burst_buffer/lua - fix building heterogeneous job scripts where the
directive is not the default "BB_LUA".
-- If a node is in a reservation add the reservation name to it for
scontrol/sinfo/sview.
-- common/cgroup - improve possible TOCTOU situation when reading cgroup files.
-- slurmctld will fatal() when reconfiguring the job_submit plugin fails.
-- Add ResumeAfter=<secs> option to "scontrol update nodename=".
-- slurmrestd - switch to returning UNPROCESSABLE_CONTENT when parsing
succeeds but an error about the actual contents causes a request to fail.
-- slurmrestd - queries that result in empty contents will now be treated as
SUCCESS. While the query worked, nothing was returned, which allows callers
to determine how to then proceed.
-- Add PowerDownOnIdle partition option.
-- Make it so the [Allow|Deny]Accounts parameter for a partition is
hierarchical.
-- Add the ability for a add (+=) or remove (-=) nodes from a reservation
-- Fix several problems when creating/editing partitions in sview.
-- Enhanced burst_buffer.lua - pass UID and GID to most hooks; pass a table
containing detailed job information to many hooks. See
etc/burst_buffer.lua.example for a complete list of changes.
-- Add a new "nodes=" argument to scontrol setdebug to allow the debug level
on the slurmd processes to be temporarily altered.
-- Add InfluxDBTimeout parameter to acct_gather.conf.
-- job_container/tmpfs - add support for expanding %h and %n in BasePath.
-- Prevent job submission/update with afterok/afternotok dependency set to
an unknown jobid.
-- Change to a new FAIL_SIGNAL job state reason (instead of FAIL_LAUNCH) for
jobs that have raised a signal on setup.
-- Add "[jobid.stepid]" prefix from slurmstepd and "slurmscriptd" prefix from
slurmcriptd to Syslog logging. Previously was only happening when logging
to a file.
-- Make it so scrontab prints client-side the job_submit() err_msg (which can
be set i.e. by using the log_user() function for the lua plugin).
-- Remove ability for reservation to have STATIC_ALLOC or MAINT flags and
REPLACE[_DOWN] flags simultaneously.
-- Accept only one reoccurring flag when creating/updating any reservation.
-- Remove ability to update a reservation to have a reoccurring flag if it
is a floating reservation.
-- squeue - removed unused '%s' and 'SelectJobInfo' formats.
-- Add purge and archive functionality for job environment and job batch script
records.
-- srun - return an error if step suffers a node failure.
-- squeue - align print format for exit and derived codes with that of other
components (<exit_status>:<signal_number>).
-- Add new SlurmctldParameters=validate_nodeaddr_threads=<number> option to
allow concurrent hostname resolution at slurmctld startup.
-- Have 'scontrol show hostlist -' read from stdin.
-- Extend support for Include files to all "configless" client commands.
-- Make node weight usable for powered down and rebooting nodes.
-- node_features plugins - node_features_p_reboot_weight() function removed.
-- Removed 'launch' plugin.
-- Add "Extra" field to job to store extra information other than a comment.
-- Add new AccountingStoreFlags=job_extra option to store a job's extra field
in the database.
-- slurmrestd - add option to allow rest_auth/local to switch user id on first
user connection.
-- oci.conf - add DisableHooks option.
-- oci.conf - add SrunPath and SrunArgs options.
-- oci.conf - add StdIODebug, SyslogDebug, FileDebug and DebugFlags options to
allow controlling container specific logging.
-- oci.conf - remove requirement of RunTimeQuery when RunTimeRun is set.
-- slurmstepd - cleanup generated environment file for containers when step
completes instead of deferring cleanup to OCI runtime.
-- oci.conf - add configuration option "IgnoreFileConfigJson=" to allow a site
to choose to ignore config.json.
-- oci.conf - Add PID (%p) pattern replacement.
-- slurmrestd - correct ordering issue of saving changes to a container's
modified config.json where config changes by job modifing plugins would be
silently lost.
-- slurmstepd - merge container config.json environment into job environment
and then overwrite config.json environment. Avoids instance where processes in
container will not have access to job environment variables.
-- slurmstepd - defer creating container environment file until after all
plugin based modifications to the job environment are complete.
-- oci.conf - modify configuration option "CreateEnvFile=" to support creating
-- oci.conf - add RunTimeEnvExclude and EnvExclude.
-- slurmstepd - fix container pattern bundle path replacement (%b) with
bundle path instead of spool dir path.
-- oci.conf - add MountSpoolDir.
-- slurmstepd - create per task spool directory per container to avoid
conflicts when there are more than 1 container tasks on any given node.
-- mpi/pmix - set PMIX_SERVER_TMPDIR to container spool directory instead of
slurmd spool directory which caused PMIx to fail to load in containers.
-- Add new "defer_batch" option to SchedulerParameters to only defer
scheduling for batch jobs.
-- Reject jobs submitted with impossible --time, --deadline, and --begin
combinations at submission time
-- Add new DebugFlags option 'JobComp' to replace 'Elasticsearch'.
-- sacct - Add --array option to expand job arrays and display array tasks on
separate lines.
-- Fix jobs submitted with a deadline never being cleared after the
reservation is done.
-- Change srun/salloc to wait indefinitely for their allocations to be ready.
-- Do not attempt to "fix" malformed input to 'scontrol show hostlist'.
-- RSMI - Add usage gathering for AMD gpus (requires ROCM 5.5+).
-- Add job's allocated nodes, features, oversubscribe, partition, and
reservation to SLURM_RESUME_FILE output for power saving.
-- Automatically create directories for stdout/stderr output files. Paths may
use %j and related substitution characters as well.
-- Add --tres-per-task to salloc/sbatch/srun.
-- Add configurable job requeue limit parameter - MaxBatchRequeue - in
slurm.conf to permit changes from the old hard-coded value of 5.
-- Add a new "nodes=" argument to "scontrol setdebugflags" as well.
-- slurmd - add --authinfo option to allow AuthInfo options to be changed
during the configless startup.
-- helpers.conf - Allow specification of node specific features.
-- helpers.conf - Allow many features to one helper script.
-- Allow nodefeatures plugin features to work with cloud nodes.
-- squeue - removed --array-unique option.
-- openapi/v0.0.39 - expand job stderr, stdin, and stdout path replacement
symbols when dumping job information via dump_job_info().
-- Make slurmstepd cgroups constrained by total configured memory from
slurm.conf (NodeName=<> RealMemory=#) instead of total physical memory.
-- node_features/helpers - add support for the OR and parentheses operators
in a --constraint expression.
-- Fix race condition between PMIx authentication and slurmstepd task launches
that can lead to job launch failures.
-- fatal() when [Prolog|Epilog]Slurmctld are defined but not executable.
-- slurmctld - Add new RPC rate limiting feature. This is enabled through
SlurmctldParameters=rl_enable, otherwise disabled by default.
-- Validate node registered active features are a super set of node's
currently active changeable features.
-- On clusters without any PrologFlags options, batch jobs with failed prologs
nolonger generate an output file.
-- sreport - print "Top ALL Users" for Top User report when topcount = -1.
-- Add SLURM_JOB_START_TIME and SLURM_JOB_END_TIME environment variables.
-- Add SuspendExcStates option to slurm.conf to avoid suspending/powering down
specific node states.
-- job_container/tmpfs - Add "Shared" option to support shared namespaces.
This allows autofs to work with the job_container/tmpfs plugin when enabled.
-- Fix incorrect min node estimation for pending jobs as displayed by client
commands (e.g. squeue, scontrol show job).
-- Add support for DCMI power readings in IPMI plugin.
-- Prevent the backfill counter of tested jobs being reset by sdiag -r.
-- sacctmgr - Add --json and --yaml arguments.
-- openapi/v0.0.39 - Conversion of parsing and dumping of data to
data_parser/v0.0.39 plugins. Significant restructuring of OpenAPI
specification compared to previous plugin version.
-- openapi/dbv0.0.39 - Conversion of parsing and dumping of data to
data_parser/v0.0.39 plugins. Significant restructuring of OpenAPI
specification compared to previous plugin version.
-- Validate --gpu-bind options more strictly.
-- Fix slurmd segfault on bad EnergyIPMIPowerSensors= parameter.
-- Allow for --nodelist to contain more nodes than required by --nodes.
-- Add missing logic for JobCompParams configuration key pair to be available
for consumers of the get/print/write configuration API functions.
-- mpi/cray_shasta - Add new PALS/PMI environment variables.
-- Add cache around calls to getnameinfo().
-- Add CommunicationParameters=getnameinfo_cache_timeout to tune or disable the
getnameinfo cache.
-- Limit the number of successive times a batch job may be requeued due to a
prolog failure. This limit is defined by the value of the max_batch_requeue
parameter (default 5). Jobs over this limit will be put on admin hold.
-- Rename "nodes" to "nodes_resume" in SLURM_RESUME_FILE job output.
-- Rename "all_nodes" to "all_nodes_resume" in SLURM_RESUME_FILE output.
-- Add new PrologFlags=ForceRequeueOnFail option to automatically requeue
batch jobs on Prolog failures regardless of the job --requeue setting.
-- Add HealthCheckNodeState=NONDRAINED_IDLE option.
-- Add 'explicit' to Flags in gres.conf
-- Improve validation of --constraint expression syntax.
-- srun - support job array ids as an argument to --jobid.
-- Add jobcomp/kafka plugin.
-- Automatically filter out E-Cores on Intel processors to avoid issues from
differing threads-per-core values within a single socket.
-- Add LaunchParameters=ulimit_pam_adopt, which enables setting RLIMIT_RSS in
adopted processes.
-- Add new PreemptParameters=reclaim_licenses option which will allow higher
priority jobs to preempt jobs to free up used licenses. (This is only
enabled for with PreemptModes of CANCEL and REQUEUE, as Slurm cannot
guarantee suspended jobs will release licenses correctly.)
-- Make it so that the REQUEST_STEP_STAT handler only polls jobacct_gather
information once per RPC. This improves sstat results performance time.
-- Fix sbcast --force option to work with --send-libs option. Now when --force
is set, library directores transmitted will overwrite pre-existing libraries
that were previously transmitted.
-- hpe/slingshot - Add support for user requestible job VNIs.
-- hpe/slingshot - Add support for user requestible single node vnis.
-- hpe/slingshot - Add support for the instant-on feature.
-- Add ability to update SuspendExc* parameters with scontrol.
-- Add ability to preserve SuspendExc* parameters on reconfig with
ReconfigFlags=KeepPowerSaveSettings.
-- Add ability to restore SuspendExc* parameters on restart with slurmctld -R
option.
-- Fix leaving allocated gres on a non-cloud node after being allocated
from a powered down state after a slurmctld restart.
-- 'scontrol update job' can now set a GRES specification to "0" to effectively
clear a GRES speficiation from a job.
-- Jobs with old GRES that are no longer configured in any configuration files
can now be succesfully updated to use currently configured GRES.
-- Add tres_per_node to resource_allocation_response_msg to fix srun jobs
running with outdated GRES. This is necessary for srun jobs whose GRES are
updated while they are pending. By having tres_per_node in the
resourece_allocation_response_msg, slurmctld can send back the correct and
updated GRES, whereas without it, the srun job would use the old GRES.
-- Cleaned up various "warning", "Warning", and "WARNING" messages with a new
warning() logging call. All will now print as "warning: ...".
-- Add SLURM_JOB_OVERSUBSCRIBE environment variable for Epilog, Prolog,
EpilogSlurmctld, PrologSlurmctld, and mail ouput.
-- Fix node reason time skew when setting a reboot message.
-- Append ResumeTimeout message to an existing node reason instead of always
clearing it first.
-- slurmrestd - added support for Bearer Authentication using auth/jwt.
* Changes in Slurm 22.05.9
==========================
-- Allocate correct number of sockets when requesting gres and running with
CR_SOCKET*.
-- Fix handling of --prefer for job arrays.
* Changes in Slurm 22.05.8
==========================
-- Fix potential deadlock at slurmctld startup when job has invalid qos.
-- Avoid unnecessary call to clusteracct_storage_g_cluster_tres() when pinging
dynamic nodes. This avoids significant slowdowns for slurmctld when
ping_nodes() calls all nodes to re-register.
-- openapi/dbv0.0.3[6-8] - fix segfault that could arrise from Slurm database
connnection failing.
-- Fix regression introduced in 22.05.0rc1 when updating a NodeName=<nodelist>
with NodeAddr and/or NodeHostname if the specified nodelist wasn't sorted.
-- openapi/v0.0.38 - change type of nice field for job submissions to integer
from string.
-- openapi/v0.0.38 - add oversubscribe option to job submission properties.
-- openapi/v0.0.38 - fix incorrect data used to populate "time/start" field
for jobs.
-- openapi/dbv0.0.38 - avoid dumping failure if preempt qos with level 0 is
provided by slurmdbd query.
-- Avoid an fd leak when lib dir for sbcast fails to be created.
-- common/slurmdbd_pack - fix env and script hash when unpacking a 21.08
dbd_job_start_msg_t.
-- Fix a race between job_container/tmpfs, cncu, x11 setup and adoption of pids
in cray with pam_slurm_adopt.
* Changes in Slurm 22.05.7
==========================
-- Fix slurmctlds in a federation not recovering a lost connection until a
slurmctld restart or a federation update.
-- Fix incorrectly rejecting jobs that request GRES on multiple sockets and
--gres-flags=enforce-binding.
-- Fix job core selection with --gres-flags=enforce-binding: this fixes cases
where enforce-binding was not respected.
-- openapi/v0.0.38 - set assoc_id resolution failure as a debug log instead of
an error log.
-- Fix issues when running in FrontEnd mode.
-- Fix srun and salloc I/O code to set keepaliveinterval/keepalivetime on
connections.
-- Fix overwrite race of cont_id in cgroup/v2 when using task/cgroup with
proctrack/cray_aries.
-- Fix node remaining allocated after a reconfig with a completing job that
has an EpilogSlurmctld instance still running.
-- openapi/dbv0.0.38 - fix a cast to a wrong type
-- openapi/dbv0.0.38 - correct issues where modifying association fields were
ignored.
-- openapi/dbv0.0.38 - correct issue where 16 bit integers were not able to be
unset.
-- openapi/dbv0.0.38 - correct issue where 16 & 32 bit integers were not able
to be unset.
-- Fix 'scontrol show hostlist' to read off a pipe correctly.
-- Fix 'scontrol reconfigure' with configless enabled to send updated configs
to 21.08 nodes correctly. (22.05 nodes are unaffected.)
-- Fix assertion and locks for dynamic node registrations with rpc queueing.
-- rest_auth/local - avoid logging root access as an error but instead as a
normal info log.
-- slurmrestd - switch users earlier on startup to avoid sockets being made as
root.
-- slurmrestd - disable umask during socket creation as the authentication is
handled by Slurm instead of file ACLs.
-- Fix sbcast, srun --bcast, sstat not working with cloud/dynamic nodes.
-- sacctmgr - Allow removal of user's default account when AllowNoDefAcct=yes.
-- Fix segfault caused by race condition when a reconfiguration is requested
while slurmd initializes.
-- openapi/v0.0.38 - avoid divison by zero causing slurmrestd to crash during
diag queries.
-- Update default values for text/blob columns in the database if upgrading
to MariaDB >= 10.2.1 from a pre-10.2.1 version or from MySQL to avoid
sacctmgr failures.
-- Fix several minor memory leaks in the cgroup/v2 plugin.
-- Fix possible issue when enabling controllers with long names in cgroup/v2.
-- Fix potential segfault in slurmd when using acct_gather_energy/ipmi.
-- Fix controller being able to contact non-addressable step hosts.
-- Allow setting SuspendTime to -1 when used on a partition.
-- openapi/v0.0.38 - fix maximum_memory_per_node description typo.
-- openapi/v0.0.38 - add maximum_memory_per_cpu to GET /partitions
-- openapi/v0.0.38 - add default_memory_per_node to GET /partitions
-- Fix dynamic node losing dynamic node status when changing state to FUTURE.
-- Fix adoption into most recent job in pam_slurm_adopt and cgroup/v2.
-- gres/shard - Fix plugin_name definition to print correctly in debug lines.
* Changes in Slurm 22.05.6
==========================
-- Fix a partition's DisableRootJobs=no from preventing root jobs from working.
-- Fix the number of allocated cpus for an auto-adjustment case in which the
job requests --ntasks-per-node and --mem (per-node) but the limit is
MaxMemPerCPU.
-- Fix POWER_DOWN_FORCE request leaving node in completing state.
-- Do not count magnetic reservation queue records towards backfill limits.
-- Clarify error message when --send-libs=yes or BcastParameters=send_libs
fails to identify shared library files, and avoid creating an empty
"<filename>_libs" directory on the target filesystem.
-- Fix missing CoreSpec on dynamic nodes upon slurmctld restart.
-- Fix node state reporting when using specialized cores.
-- Fix number of CPUs allocated if --cpus-per-gpu used.
-- Add flag ignore_prefer_validation to not validate --prefer on a job.
-- Fix salloc/sbatch SLURM_TASKS_PER_NODE output environment variable when the
number of tasks is not requested.
-- Permit using wildcard magic cookies with X11 forwarding.
-- cgroup/v2 - Add check for swap when running OOM check after task
termination.
-- Fix deadlock caused by race condition when disabling power save with a
reconfigure.
-- Fix memory leak in the dbd when container is sent to the database.
-- openapi/dbv0.0.38 - correct dbv0.0.38_tres_info.
-- Fix node SuspendTime, SuspendTimeout, ResumeTimeout being updated after
altering partition node lists with scontrol.
-- jobcomp/elasticsearch - fix data_t memory leak after serialization.
-- Fix issue where '*' wasn't accepted in gpu/cpu bind.
-- Fix SLURM_GPUS_ON_NODE for shared GPU gres (MPS, shards).
-- Add SLURM_SHARDS_ON_NODE environment variable for shards.
-- Fix srun error with overcommit.
-- Fix bug in core selection for the default cyclic distribution of tasks
across sockets, that resulted in random task launch failures.
-- Fix core selection for steps requesting multiple tasks per core when
allocation contains more cores than required for step.
-- gpu/nvml - Fix MIG minor number generation when GPU minor number
(/dev/nvidia[minor_number]) and index (as seen in nvidia-smi) do not match.
-- Fix accrue time underflow errors after slurmctld reconfig or restart.
-- Surpress errant errors from prolog_complete about being unable to locate
"node:(null)".
-- Fix issue where shards were selected from multiple gpus and failed to
allocate.
-- Fix step cpu count calculation when using --ntasks-per-gpu=.
-- Fix overflow problems when validating array index parameters in slurmctld
and prevent a potential condition causing slurmctld to crash.
-- Remove dependency on json-c in slurmctld when running with power saving.
Only the new "SLURM_RESUME_FILE" support relies on this, and it will be
disabled if json-c support is unavailable instead.
* Changes in Slurm 22.05.5
==========================
-- Fix node becoming IDLE while in an invalid registration state.
-- When a job is completing avoid potential dereference.
-- Avoid setting preempt_time for a job erroneously.
-- Fix situation where we don't requeue correctly when a job is finishing.
-- job_container/tmpfs - Avoid leaking namespace file descriptor.
-- common/slurm_opt - fix memory leak in client commands or slurmrestd when the
--chdir option is set after option reset.
-- openapi/dbv0.0.38 - gracefully handle unknown associations assigned to jobs.
-- openapi/dbv0.0.38 - query all associations to avoid errors while dumping
jobs.
-- Load hash plugin at slurmstepd launch time to prevent issues loading the
plugin at step completion if the Slurm installation is upgraded.
-- Fix gcc 12.2.1 compile errors.
-- Fix future magnetic reservations preventing heterogeneous jobs from
starting.
-- Prevent incorrect error message from being generated for operator/admins
using the 'scontrol top' command.
-- slurmrestd - correct issue where larger requests could result in a single
byte getting removed from inside of the POST request.
-- Fix regression in task count calculation for --ntasks-per-gpu with multiple
nodes.
-- Update nvml plugin to match the unique id format for MIG devices in new
Nvidia drivers.
-- Fix segfault on backup slurmdbd if no QoS is present in DB.
-- Fix clang 11 compile errors.
-- Fix task distribution calculations across sockets with
--distribution=cyclic.
-- Fix task distribution calculations with --ntasks-per-gpu specified without
an explicit --ntasks value.
-- Fix job arrays not showing correct features.
-- Fix job having wrong features used when using preferred features.
-- Fix task/cray_aries error finishing an interactive step, avoiding correct
cleanup.
-- Correctly set max_nodes when --ntasks=1.
-- Fix configure script on FreeBSD.
* Changes in Slurm 22.05.4
==========================
-- Fix return code from salloc when the job is revoked prior to executing user
command.
-- Fix minor memory leak when dealing with gres with multiple files.
-- Fix printing for no_consume gres in scontrol show job.
-- sinfo - Fix truncation of very large values when outputting memory.
-- Fix multi-node step launch failure when nodes in the controller aren't in
natural order. This can happen with inconsistent node naming (such as
node15 and node052) or with dynamic nodes which can register in any order.
-- job_container/tmpfs - Prevent reading the plugin config multiple times per
step.
-- Fix wrong attempt of gres binding for gres w/out cores defined.
-- Fix build to work with '--without-shared-libslurm' configure flag.
-- Fix power_save mode when repeatedly configuring too fast.
-- Fix sacct -I option.
-- Prevent jobs from being scheduled on future nodes.
-- Fix memory leak in slurmd happening on reconfigure when CPUSpecList used.
-- Fix sacctmgr show event [min|max]cpus.
-- Fix regression in 22.05.0rc1 where a prolog or epilog that redirected stdout
to a file could get erroneously killed, resulting in job launch failure
(for the prolog) and the node being drained.
-- cgroup/v1 - Make a static variable to remove potential redundant checking
for if the system has swap or not.
-- cgroup/v1 - Add check for swap when running OOM check after task
termination.
-- job_submit/lua - add --prefer support
-- cgroup/v1 - fix issue where sibling steps could incorrectly be accounted as
OOM when step memory limit was the same as the job allocation. Detect OOM
events via memory.oom_control oom_kill when exposed by the kernel instead of
subscribing notifications with eventfd.
-- Fix accounting of oom_kill events in cgroup/v2 and task/cgroup.
-- Fix segfault when slurmd reports less than configured gres with links after
a slurmctld restart.
-- Fix TRES counts after node is deleted using scontrol.
-- sched/backfill - properly handle multi-reservation HetJobs.
-- sched/backfill - don't try to start HetJobs after system state change.
-- openapi/v0.0.38 - add submission of job->prefer value.
-- slurmdbd - become SlurmUser at the same point in logic as slurmctld to match
plugins initialization behavior. This avoids a fatal error when starting
slurmdbd as root and root cannot start the auth or accounting_storage
plugins (for example, if root cannot read the jwt key).
-- Fix memory leak when attempting to update a job's features with invalid
features.
-- Fix occasional slurmctld crash or hang in backfill due to invalid pointers.
-- Fix segfault on Cray machines if cgroup cpuset is used in cgroup/v1.
* Changes in Slurm 22.05.3
==========================
-- job_container/tmpfs - cleanup containers even when the .ns file isn't
mounted anymore.
-- Ignore the bf_licenses option if using sched/builtin.
-- Do not clear the job's requested QOS (qos_id) when ineligible due to QOS.
-- Emit error and add fail-safe when job's qos_id changes unexpectedly.
-- Fix timeout value in log.
-- openapi/v0.0.38 - fix setting of DefaultTime when dumping a partition.
-- openapi/dbv0.0.38 - correct parsing association QOS field.
-- Fix LaunchParameters=mpir_use_nodeaddr.
-- Fix various edge cases where accrue limits could be exceeded or cause
underflow error messages.
-- Fix issue where a job requesting --ntasks and --nodes could be wrongly
rejected when spanning heterogeneous nodes.
-- openapi/v0.0.38 - detect when partition PreemptMode is disabled
-- openapi/v0.0.38 - add QOS flag to handle partition PreemptMode=within
-- Add total_cpus and total_nodes values to the partition list in
the job_submit/lua plugin.
-- openapi/dbv0.0.38 - reject and error on invalid flag values in well defined
flag fields.
-- openapi/dbv0.0.38 - correct QOS preempt_mode flag requests being silently
ignored.
-- accounting_storage/mysql - allow QOS preempt_mode flag updates when GANG
mode is requested.
-- openapi/dbv0.0.38 - correct QOS flag modifications request being silently
ignored.
-- sacct/sinfo/squeue - use openapi/[db]v0.0.38 for --json and --yaml modes.
-- Improve error messages when using configless and fetching the config fails.
-- Fix segfault when reboot_from_controller is configured and scontrol reboot
is used.
-- Fix regression which prevented a cons_tres gpu job to be submitted to a
cons_tres cluster from a non-con_tres cluster.
-- openapi/dbv0.0.38 - correct association QOS list parsing for updates.
-- Fix rollup incorrectly divying up unused reservation time between
associations.
-- slurmrestd - add SLURMRESTD_SECURITY=disable_unshare_files environment
variable.
-- Update rsmi detection to handle new default library location.
-- Fix header inclusion from slurmstepd manager code leading to multiple
definition errors when linking --without-shared-libslurm.
-- slurm.spec - explicitly disable Link Time Optimization (LTO) to avoid
linking errors on systems where LTO-related RPM macros are enabled by
default and the binutils version has a bug.
-- Fix issue in the api/step_io message writing logic leading to incorrect
behavior in API consuming clients like srun or sattach, including a segfault
when freeing IO buffers holding traffic from the tasks to the client.
-- openapi/dbv0.0.38 - avoid job queries getting rejected when cluster is not
provided by client.
-- openapi/dbv0.0.38 - accept job state filter as verbose names instead of
only numeric state ids.
-- Fix regression in 22.05.0rc1: if slurmd shuts down while a prolog is
running, the job is cancelled and the node is drained.
-- Wait up to PrologEpilogTimeout before shutting down slurmd to allow prolog
and epilog scripts to complete or timeout. Previously, slurmd waited 120
seconds before timing out and killing prolog and epilog scripts.
-- GPU - Fix checking frequencies to check them all and not skip the last one.
-- GPU - Fix logic to set frequencies properly when handling multiple GPUs.
-- cgroup/v2 - Fix typo in error message.
-- cgroup/v2 - More robust pattern search for events.
-- Fix slurm_spank_job_[prolog|epilog] failures being masked if a Prolog or
Epilog script is defined (regression in 22.05.0rc1).
-- When a job requested nodes and can't immediately start, only report to
the user (squeue/scontrol et al) if nodes are down in the requested list.
-- openapi/dbv0.0.38 - Fix qos list/preempt not being parsed correctly.
-- Fix dynamic nodes registrations mapping previously assigned nodes.
-- Remove unnecessarily limit on count of 'shared' gres.
-- Fix shared gres on CLOUD nodes not properly initializing.
* Changes in Slurm 22.05.2
==========================
-- Fix a segfault in slurmctld when requesting gres in job arrays.
-- Prevent jobs from launching on newly powered up nodes that register with
invalid config.
-- Fix a segfault when there's no memory.swap.current interface in cgroup/v2.
-- Fix memleak in cgroup/v2.
* Changes in Slurm 22.05.1
==========================
-- Flush the list of Include config files on SIGHUP.
-- Fix and update Slurm completion script.
-- jobacct_gather/cgroup - Add VMem support both for cgroup v1 and v2.
-- Allow subset of node state transitions when node is in INVAL state.
-- Remove INVAL state from cloud node after being powered down.
-- When showing reason UID in scontrol show node, use the authenticated UID
instead of the login UID.
-- Fix calculation of reservation's NodeCnt when using dynamic nodes.
-- Add SBATCH_{ERROR,INPUT,OUTPUT} input environment variables for --error,
--input and --output options respectively.
-- Prevent oversubscription of licenses by the backfill scheduler when not
using the new "bf_licenses" option.
-- Jobs with multiple nodes in a heterogeneous cluster now have access to all
the memory on each node by using --mem=0. Previously the memory limit was
set by the node with the least amount of memory.
-- Don't limit the size of TaskProlog output (previously TaskProlog output was
limited to 4094 characters per line, which limited the size of exported
environment variables or logging to the task).
-- Fix usage of possibly uninitialized buffer in proctrack/cgroup.
-- Fix memleak in proctrack/cgroup proctrack_p_wait.
-- Fix cloud/remote het srun jobs.
-- Fix a segfault that may happen on gpu configured as no_consume.
* Changes in Slurm 22.05.0
==========================
-- openapi/v0.0.38 - add group name to job info
-- openapi/v0.0.38 - add container field to job description.
-- openapi/v0.0.38 - add container to job submission.
-- openapi/[db]v0.0.38 - add container field to job description.
-- openapi/dbv0.0.38 - fix bug where QOS update set various limits to 0.
-- openapi/dbv0.0.38 - properly initialize wckey record.
-- openapi/dbv0.0.38 - properly initialize cluster record.
-- openapi/dbv0.0.38 - gracefully update existing QOSs.
-- Fix x11 forwarding with job_container/tmpfs and without home_xauthority.
-- Fix reconfig of dynamic nodes with gres.
-- Fix corner case issues when removing assocs/qos' while jobs are completing
and a reconfigure happens.
-- Add SlurmdParameters=numa_node_as_socket to use the numa node as a socket.
-- Avoid creating and referencing NULL script/env hash entries when not storing
the job script or job environment.
-- slurmd - If a het component job fails to launch due to a node prolog or
other failure, properly handle the whole het job.
-- Fix possible race condition while handling forwarded messages.
-- Add new SchedulerParameters option "bf_licenses" to track licenses as
within the backfill scheduler.
-- Fix resuming nodes not part of an allocation.
-- Minor memory leak fixes.
-- Use accept4() and pipe2() to ensure new file descriptors are always set
with close-on-exec flag.
-- slurmctld - allow users to request tokens for themselves by name.
-- srun - adjust output of "--mpi=list".
-- Fix "--gpu-bind=single:" having wrong env variables.
-- Sync missing pieces in slurmctld SIGHUP handler with respect to
REQUEST_RECONFIGURE RPC handler.
-- Fixed the behavior of the --states=all option in squeue to actually show
all of the states.
-- job_container - Don't constrain a job using --no-allocate.
-- Fix slurmctld segfault when a step requests a gres without a file.
-- Fix slurmctld segfault when cleaning up an overlapping step.
-- Dynamic node fixes and updates.
-- Added error logging when a node goes into an invalid state so that the user
can still see the reason even if the user set a custom reason beforehand.
-- Remove redundant message when libdbus is found during configure.
-- Fix pmix to honor SrunPortRange.
-- Fix issue with ntasks_per_socket and ntasks_per_core with --exclusive
-- openapi/v0.0.38 - change job parsing error message to reflect reality.
-- Avoid segfault/assert when --thread-spec used with config_overrides
-- Don't send SIGTERM to prematurely in run_command.
-- Add logging to inform where networking errors are occurring on slurmd end.
-- openapi/dbv0.0.38 - Enforce GET /association/ to dump only a single
association.
-- openapi/dbv0.0.38 - Enforce DELETE /association/ to delete only a single
association.
-- openapi/dbv0.0.38 - Add parameters to filter to GET /associations/.
-- openapi/dbv0.0.38 - Add DELETE /associations using parameters to set filters.
-- openapi/dbv0.0.38 - Fix plural form of delete association response schema.
* Changes in Slurm 22.05.0rc1
=============================
-- gres/gpu - Avoid stripping GRES type field during normalization if any
other GRES have a defined type field.
-- burst_buffer/datawarp - free bb_job after stage-out or teardown are done.
-- acct_gather_energy_rsmi has been renamed acct_gather_energy_gpu.
-- Remove support for (non-functional) --cpu-bind=boards.
-- accounting_storage/mysql - ensure new non-HetJobs have het_job_offset NO_VAL
in the database and fix the same field when retrieving older bad records.
-- PreemptMode now works as a condition for qos in sacctmgr.
-- scancel - add "--me" option.
-- gres/gpu - Fix configured/system-detected GRES match for some combinations
for which the sorting affected the expected selection result.
-- openapi/v0.0.38 - Fork existing openapi/v0.0.37 plugin.
-- openapi/dbv0.0.38 - Fork existing openapi/dbv0.0.37 plugin.
-- openapi/v0.0.35 - Plugin has been removed.
-- scrontab - Don't accept extra letters after a '@' repeating pattern.
-- openapi/dbv0.0.38 - Add missing method POST for /associations/.
-- Make DefMemPerCPU/MaxMemPerCPU and DefMemPerNode/MaxMemPerNode precedence
at the global level the same as in partition level, and print an error
if both of a pair are set.
-- openapi/v0.0.38 - Allow strings for JobIds instead of only numerical JobIds
for GET, DELETE, and POST job methods.
-- openapi/v0.0.38 - enable job priority field for job submissions and updates.
-- openapi/v0.0.38 - request node states query includes MIXED state instead of
only allocated.
-- openapi/dbv0.0.38 - Correct tree position of dbv0.0.38_job_step.
-- Enforce all Slurm plugin requirements for plugins specified with absolute
path.
-- Added --prefer option at job submission to allow for 'soft' constraints.
-- Remove support for PMIx 1.x
-- slurmrestd - Unlink unix sockets before binding to avoid errors where
previous run of slurmrestd did not properly cleanup the sockets.
-- Add extra 'EnvironmentFile=-/etc/default/$service' setting to service files.
-- slurmctld/agent - spawn more agent threads in a single _agent_retry().
-- openapi/v0.0.38 - change job response types to more specific types than
generic string.
-- srun - refuse to run on malformed SPANK environment variable.
-- Allow jobs to pack onto nodes already rebooting with the desired features.
-- Reset job start time after nodes are rebooted.
-- Node features (if any) are passed to RebootProgram if run from slurmctld.
-- Fix sending multiple features to RebootProgram.
-- If a task/srun prolog fails don't allow the step to continue running.
-- Fail srun when using invalid --cpu-bind options.
-- cgroup/v1 - Set swappiness at job level instead of at root level.
-- Fix issues where a step's GRES request could never be satisfied but the step
remained pending forever instead of being rejected.
-- openapi/v0.0.38 - Remove errant extra space after JOB_CPUS_SET flag.
-- slurmrestd - refuse to run with gid 0, or under SlurmUser's gid.
-- Storing batch scripts and env vars are now in indexed tables using
substantially less disk space. Those storing scripts in 21.08 will all
be moved and indexed automatically.
-- Run MailProg through slurmscriptd instead of directly fork+exec()'ing
from slurmctld.
-- Add acct_gather_interconnect/sysfs plugin.
-- Fix gpus spanning more resources than needed when usng --cpus-per-gpu.
-- burst_buffer plugins - err_msg added to bb_p_job_validate().
-- burst_buffer plugins - Send user specific error message if permission
denied due to AllowUsers or DenyUsers in burst_buffer.conf.
-- Fatal if the mutually-exclusive JobAcctGatherParams options of UsePss and
NoShared are both defined.
-- Future and Cloud nodes are treated as "Planned Down" in usage reports.
-- Add "condflags=open" to sacctmgr show events to return open/currently down
events.
-- Skip --mem-per-gpu impact on GRES availability when CR_MEMORY not set.
-- Add reservation start time as a new schedulers sorting factor for magnetic
or multi-reservation job queue records.
-- Improve Dynamic Future node startup to load in config with mapped nodename.
-- Add new shard plugin for sharing gpus but not with mps.
-- acct_gather_energy/xcc - add support for Lenovo SD650 V2.
-- Remove cgroup_allowed_devices_file.conf support.
-- sacct -f flag implies -c flag.
-- Node state flags (DRAIN, FAILED, POWERING UP, etc.) will be cleared now if
node state is updated to FUTURE.
-- Clear GRES environment variables for jobs or steps that request --gres=none.
-- slurmctld - Avoid requiring environment to be set when container job is
specified.
-- Move the KeepAliveTime option into CommunicationParameters.
-- slurm.spec - stop explicitly packaging pkgconfig directory to avoid a
conflict with the pkgconfig package.
-- Fix sacctmgr load dump printing incorrect default QOS when no value is set.
-- Fix very early logging in the controller when daemonized
-- Fix possibility of primary group going missing when running jobs submitted
after a user has switched primary groups (eg: with sg).
-- Make it so srun no longer inherits SLURM_CPUS_PER_TASK. It now will only
inherit SRUN_CPUS_PER_TASK.
-- Make HetJob signaling requests using the HetJobId+HetJobOffset format behave
the same as with direct JobId requests with regards to job state and
whole_hetjob considerations.
-- scancel - avoid issuing a RPC for each HetJob non-leader components hit by
using filters (not using jobids) when a RPC is issued for their leader.
-- Make slurmctld call the JobCompPlugin set location operation on SIGUSR2. As
a relevant consequence, the filetxt plugin reopens the file for potential
logrotation.
-- openapi/v0.0.38 - added fields bf_table_size and bf_table_size_mean to
diag query.
-- Handle scontrol setdebug[flags] and scontrol reconfigure in slurmscriptd.
-- openapi/v0.0.38 - add /licenses endpoint.
-- slurmrestd - only compile JWT authentication plugin if libjwt is present.
-- Remove connect_timeout and timeout options from JobCompParams as there's no
longer a connectivity check happening in the jobcomp/elasticsearch plugin
when setting the location off of JobCompLoc.
-- Add %n for NodeName substitution in SlurmdSpoolDir in nss_slurm.conf.
-- job_container/tmpfs - add basic environment variables to InitScript.
-- openapi/dbv0.0.38 - split security entries in openapi.json.
-- openapi/v0.0.38 - Add schema for Slurm meta in responses.
-- openapi/dbv0.0.38 - Add schema for Slurm meta in responses.
-- openapi/v0.0.38 - Correct field "errno" to "error_number" in schema for
errors.
-- openapi/dbv0.0.38 - add failure response contents in openapi.json.
-- openapi/v0.0.38 - add failure response contents in openapi.json.
-- openapi/dbv0.0.38 - add requestBody for /users/ in openapi.json.
-- openapi/dbv0.0.38 - add requestBody for /accounts/ in openapi.json.
-- openapi/dbv0.0.38 - add missing response field "removed_associations"
in openapi.json
-- openapi/dbv0.0.38 - Correct type from object to array for user assocations
list in openapi.json.
-- openapi/dbv0.0.38 - Add missing field for tres minutes per qos in qos list
in openapi.json.
-- openapi/dbv0.0.38 - Add missing field for name in qos list in openapi.json.
-- openapi/dbv0.0.38 - Correct tres field in qos list in openapi.json.
-- openapi/dbv0.0.38 - Correct het job details types in jobs in openapi.json
-- openapi/dbv0.0.38 - Correct task type for job steps in openapi.json.
-- openapi/dbv0.0.38 - Sync fields for errors to source in openapi.json.
-- openapi/dbv0.0.38 - Add missing field for adding clusters in clusters list
in openapi.json.
-- openapi/v0.0.38 - correct parameter styles from "simple" to "form".
-- openapi/dbv0.0.38 - correct parameter styles from "simple" to "form".
-- openapi - add flags to slurm_openapi_p_get_specification().
-- openapi/v0.0.38 - use new operationId generation to ensure uniqueness.
-- openapi/dbv0.0.38 - use new operationId generation to ensure uniqueness.
-- slurmstepd - avoid possible race condition while updating step return code
during job startup.
-- slurmstepd - report and log I/O setup failure using corresponding error
code during job start.
-- Do not run the job if PrologSlurmctld times out.
-- Fix SPANK plugin calls slurm_spank_job_prolog and slurm_spank_job_epilog
not properly respecting PrologEpilogTimeout.
-- Add support for 'scontrol delete <ENTITY> <ID>' format alongside the already
expected 'scontrol delete <ENTITY>=<ID>'.
-- Fix task/cgroup plugin which was not adding stepd to memory cgroup.
-- preempt/qos - add support for WITHIN mode to allow for preemption between
jobs within the same qos.
-- Fix sattach for interactive step.
-- Fix srun -Z when using nss_slurm.
-- Avoid memory leak in srun -Z.
-- openapi/dbv0.0.38 - disable automatic lookup of all HetJob components on
specific job lookups.
-- Add support for hourly reoccurring reservations.
-- openapi/v0.0.38 - Fix misspelling of job parameter time_minimum.
-- openapi/v0.0.38 - Fix misspelling of job parameter cpu_binding_hint.
-- openapi/v0.0.38 - Fix misspelling of job parameter mcs_label
-- openapi/dbv0.0.38 - Fix issue where association's QOS list consisted of IDs
instead of names.
-- Allow nodes to be dynamically added and removed from the system.
-- srun --overlap now allows the step to share all resources (CPUs, memory, and
GRES), where previously --overlap only allowed the step to share CPUs with
other steps.
-- openapi/v0.0.38 - new format for how core and socket allocations are dumped
for jobs.
-- openapi/v0.0.38 - add RPC call statistics to diag endpoint.
-- openapi/[db]v0.0.36 - plugins have been marked as deprecated.
-- sacct - allocations made by srun will now always display the allocation and
step(s). Previously, the allocation and step were combined when possible.
-- Steps now allocate gres according to topo data.
-- Add validation of numbers provided to --gpu-bind=map_gpu and
--gpu-bind=mask_gpu=.
-- Fatal error if CgroupReleaseAgentDir is configured in cgroup.conf. The
option has long been obsolete.
-- cons_tres - change definition of the "least loaded node" (LLN) to the
node with the greatest ratio of available cpus to total cpus.
-- Fatal if more than one burst buffer plugin is configured.
-- Added keepaliveinterval and keepaliveprobes options to
CommunicationParameters.
-- Correctly failover to backup slurmdbd if the primary slurmdbd node crashes.
-- Add support to ship Include configuration files with configless.
-- Fix issues with track_script cleanup.
-- Add new max_token_lifespan limit to AuthAltParameters.
-- sacctmgr - allow Admins to update AdminComment and SystemComment fields.
-- slurmd - Cache node features at startup and scontrol reconfig. It avoids
executing node_features/helpers scripts in the middle of a job. This clould
potentially affect job performance.
-- Pass and use alias_list through credential instead of environment variable.
-- Add ability to get host addresses from nss_slurm.
-- Enable reverse fanout for cloud+alias_list jobs.
-- Disallow slurm.conf node configurations with NodeName=ALL.
-- Add support to delete/update nodes by specifying nodesets or the 'ALL'
keyword alongside the delete/update node message nodelist expression (i.e.
'scontrol delete/update NodeName=ALL' or 'scontrol delete/update
NodeName=ns1,nodes[1-3]').
-- Add support for PMIx v4
-- Add support for PMIx v5
-- Correctly load potentially NULL values from slurmdbd archive files.
-- Add slurmdbd.conf option AllowNoDefAcct to remove requirement for users to
have a default account.
-- Fix issues related to users with very large uids.
-- common/openapi - fix bug populating methods for parameter-less endpoint.
-- slurmrestd/operations - fix memory leak when resolving bad path.
-- sacctmgr - improve performance of query generation for archive load.
-- sattach - allow connecting to interactive steps with JOBID.interactive
-- Fix for --gpus-per-task parsing when using --cpus-per-gpu and multiple gpu
types in the same request.
-- rest_auth/local - always log when new slurmdbd connection fails.
-- openapi/dbv0.0.38 - gracefully update existing associations.
-- Improve auto-detection of pmix
-- openapi/dbv0.0.38 - Add missing method POST for /qos/.
-- scrontab - On errors, print 1-index line numbers instead of 0-indexing them.
-- openapi/dbv0.0.38 - Correct OpenAPI specification for diag request.
-- openapi/dbv0.0.38 - reject requests with incorrect TRES specification.
-- sacctmgr - reject requests with incorrect TRES specification.
-- Correct issue where conversion to/from JSON/YAML may have resulted in empty
strings being replaced with strings containing "null" instead.
-- Attempt to requeue jobs terminated by slurm.conf changes (node vanish, node
socket/core change, etc). Processes may still be running on excised nodes.
Admin should take precautions when removing nodes that have jobs on running
on them.
-- Fix race with task/cgroup memory and jobacctgather/cgroup, the first was
removing the pid from the task_X cgroup directory.
-- openapi/dbv0.0.38 - set default account org and desc to be account name.
-- openapi/dbv0.0.38 - Allow strings for JobId instead of only numerical JobId
for GET job methods.
-- Add switch/hpe_slingshot plugin.
-- cloud_reg_addrs - use hostname from slurmd rather than from munge
credential for NodeHostName.
-- Store assoc usage in parent assoc when deleted to preserve account
fairshare.
-- CVE-2022-29500 - Prevent credential abuse.
-- CVE-2022-29501 - Prevent abuse of REQUEST_FORWARD_DATA.
-- CVE-2022-29502 - Correctly validate io keys.
-- openapi/dbv0.0.38 - set with_deleted to false by default for /user[s].
-- openapi/dbv0.0.38 - add with_deleted input parameter to GET /user[s].
-- openapi/dbv0.0.38 - add deleted flag to /user[s] output.
-- openapi/dbv0.0.38 - set with_deleted to false by default for GET /qos.
-- openapi/dbv0.0.38 - add with_deleted input to GET /qos.
-- openapi/dbv0.0.38 - set with_deleted to false by default for GET /account[s]
-- openapi/dbv0.0.38 - add with_deleted input to GET /account[s].
-- Include k12 hash of the RPC message body in the auth/munge tokens to
provide for additional communication resiliency.
-- Allow job steps to continue to launch during OverTimeLimit.
-- slurmctld - avoid crash when attempting to load job without a script.
-- Fix exclusive jobs breaking MaxCPUsPerNode limit
-- Error if ConstrainSwapSpace is set and system doesn't have the kernel with
CONFIG_MEMCG_SWAP set. This will avoid bad configurations.
-- Add SlurmdParameters=numa_node_as_socket.
-- Fix incorrect node allocation when using multiple counts with --constraint
and --ntasks-per-node.
* Changes in Slurm 21.08.9
==========================
-- Fix cross-endian communication.
-- Fix slurmd segfault when seeing authentication issues alongside a failed
message forward.
-- Fix resuming nodes not part of an allocation.
-- Fix "--gpu-bind=single:" having wrong env variables.
-- Fix logic estimating when a job can start based on ANY_NODES / LICENSE_ONLY
reservations that could lead to an infinite loop in backfill.
-- Fix a segfault that may happen on gpu configured as no_consume.
-- Fix regression which prevented a cons_tres gpu job to be submitted to a
cons_tres cluster from a non-con_tres cluster.
-- select/linear - fix regression introduced in 21.08.6 which prevented step
requests with --threads-per-core or --hint=nomultithread from being created.
-- Fix gcc 12.2.1 compile errors.
* Changes in Slurm 21.08.8-2
============================
-- Fix communication forwarding when running with a mix of patch and unpatched
slurmd processes.
* Changes in Slurm 21.08.8
==========================
-- openapi/dbv0.0.37 - fix slurmrestd fatal() when deleting an association.
-- Allow scontrol update <job> Gres=... to not require "gres:".
-- Fix inconsistent reboot message appending behavior.
-- Fix incorrect reason_time and reason_uid on reboot message.
-- Fix "scontrol reboot" clearing node reason on ResumeTimeout.
-- Fix ResumeTimeout error message missing when node already has reason set.
-- Avoid "running with local config" error when conf server is provided by DNS.
-- openapi/v0.0.37 - resolve job user name when not sent by slurmctld.
-- openapi/dbv0.0.37 - Correct OpenAPI specification for diag request.
-- Ignore power_down request when node is already powering down.
-- CVE-2022-29500 - Prevent credential abuse.
-- CVE-2022-29501 - Prevent abuse of REQUEST_FORWARD_DATA.
-- CVE-2022-29502 - Correctly validate io keys.
* Changes in Slurm 21.08.7
==========================
-- openapi/v0.0.37 - correct calculation for bf_queue_len_mean in /diag.
-- Optimize sending down nodes in maintenance mode to the database when
removing reservations.
-- Avoid shrinking a reservation when overlapping with downed nodes.
-- Fix 'planned time' in rollups for jobs that were still pending when the
rollup happened.
-- Prevent new elements from a job array from causing rerollups.
-- Only check TRES limits against current usage for TRES requested by the job.
-- Do not allocate shared gres (MPS) in whole-node allocations
-- Fix minor memory leak when dealing with configless setups.
-- Constrain slurmstepd to job/step cgroup like in previous versions of Slurm.
-- Fix warnings on 32-bit compilers related to printf() formats.
-- Fix memory leak when freeing kill_job_msg_t.
-- Fix memory leak when using data_t.
-- Fix reconfigure issues after disabling/reenabling the GANG PreemptMode.
-- Fix race condition where a cgroup was being deleted while another step
was creating it.
-- Set the slurmd port correctly if multi-slurmd
-- openapi/v0.0.37 - Fix misspelling of account_gather_frequency in spec.
-- openapi/v0.0.37 - Fix misspelling of cluster_constraint in spec.
-- Fix FAIL mail not being sent if a job was cancelled due to preemption.
-- slurmrestd - move debug logs for HTTP handling to be gated by debugflag
NETWORK to avoid unnecessary logging of communication contents.
-- Fix issue with bad memory access when shrinking running steps.
-- Fix various issues with internal job accounting with GRES when jobs are
shrunk.
-- Fix ipmi polling on slurmd reconfig or restart.
-- Fix srun crash when reserved ports are being used and het step fails
to launch.
-- openapi/dbv0.0.37 - fix DELETE execution path on /user/{user_name}.
-- slurmctld - Properly requeue all components of a het job if PrologSlurmctld