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Coming Next

  • --no-logs flag : doesn't save any logs (some people use their own logging system)
  • dump/resurrect will leave 'stopped' apps as stopped instead of restarting every app
  • YAML support for apps declarations
  • Improve app declaration file parsing (log_file, out_file, error_file)

0.14.0 - CrystalClear (pre 1.0)

  • Removed: pm2.startJSON() method, now call pm2.start()

  • API Change: pm2 start <app_name|app_id> restart an application already launched

  • API Change: pm2 start restart all json apps if already launched

  • pm2 start all - restart all applications

  • pm2 reload <json_file> possible

  • pm2 gracefulReload <json_file> possible

  • Smart start (pm2 start app.js ; pm2 stop app ; pm2 start app)

  • Reduced memory footprint

  • Reduced pipelined data

  • Reduced CPU usage

  • Faster command processing

  • Upgrade shelljs, semver, colors, chalk, coffee-script, async, json-stringify-safe, cron, debug, commander

  • Fix: launchBus() only connects and disconnects once

  • Refactored pm2 logs :

    • Now you don't need to install tail on Windows
    • You don't need to Ctrl^C and pm2 logs again when a new app is launched (this one will be detected and added to the real-time logs output)
    • Logs are shown in chronological order at a file level (modified date)
    • More verbosity : tailed logs are explicitely separated from the real-time logs
    • Real-time logs now use the bus event emitter
    • PM2 logs added to the bus
    • --lines <n> and --raw flags available for pm2 logs command
    • New flag : '--timestamp [format]' // default format is 'YYYY-MM-DD-HH:mm:ss'
    • Now you can exclusively show PM2 logs by doing pm2 logs PM2

0.12.16 (Current stable)

  • Feature : File transmission added in Agent
  • Feature : Transmit Node.js/io.js version in Agent
  • Feature : Parameters can be passed to remote actions
  • Feature : Support JS in addition to JSON and JSON5 config files #1298
  • Enhanced: pm2 conf display all configuration values
  • Enhanced: pm2-dev
  • Enhanced: Better error messages when validating data passed via CLI
  • Enhanced: Smaller memory footprint for PM2 (~30%)
  • Fix #1285 : PID file was deleted after a reload/gracefulReload
  • Fix : ENOMEM made PM2 crash

0.12.15

  • Fix #941 : Env variables overrided when an app is restarted
  • max_memory_restart now performs a graceful reload
  • pm2 logs --raw now shows 20 last lines of each log file
  • pm2-dev run app.js : start an app in dev mode (--no-daemon --watch and stream logs of all launched apps)
  • --no-daemon command now display logs of all processes (Docker)

0.12.14

  • ilogs is no longer part of PM2
  • Improved interaction with Keymetrics
  • BabelJS is now integrated into PM2 (--next-gen-js flag)

0.12.13

  • Enhanced : PM2 doesn't leave processes behind when it crashes
  • Enhanced : Call reload instead of restart when max-memory-limit reached
  • Enhanced : Modules are compatible ES6 by default by adding --harmony flag
  • Enhanced : Dump feature is now smarter
  • Fix #1206 : fix pm2 logs bug when merged_logs
  • Fix : pm2 scale doesn't try to scale a fork_mode process

0.12.12

  • pm2 logs --raw flag : show logs in raw format
  • New command: pm2 scale <app_name> - scale up/down an application
  • Fix #1177 : no concurrent vizion.parse() for the same process event when it restarts
  • Added: Expose kill method programmatically
  • Added: Call disconnect without a function
  • Added: Programmatic call to .connect can now take no-daemon-option
  • Fixed: starting a JSON programmatically return a process list coming from God
  • Fixed: Reflect dump functions from CLI and God
  • Enhanced: New CLI API for configuring modules (pm2 conf module.option [value])
  • Added: Using Keymetrics harden PM2 by enabling a WatchDog that auto restart PM2 in case of crash
  • Added: Expose pm2 gc programmatically
  • Added: pm2 install <module_name> update the module
  • Enhanced: 4 new test suits for PM2 programmatics call
  • Enhanced: Documentation restructured

0.12.11

  • --no-autorestart flag : starts an app without automatic restart feature ("autorestart" : false in JSON declaration)

  • --no-vizion flag : starts an app completely without vizion features ("vizion" : false in JSON declaration)

  • Fix #1146 : add module._initPaths() on ProcessContainer.js so it forces each new process to take the current NODE_PATH env value in account

  • New: pm2.start() now handles json objects as param

  • Added: timestamps to KM agent logs

  • Fix: now properly closes all fds after logging has finished.

  • New command: pm2 gc (manually triggers garbage collection for PM2)

  • VersioningManagment: exec() timeout configurable via .json

  • Fix #1143 : If we start let's say 4 instances of an app (cluster_mode), Each app will have a value in process.env.NODE_APP_INSTANCE which will be 0 for the first one, 1, 2 and 3 for the next ones.

  • Fix #1154 : Negative arguments to '-i' are substracted to CPU cores number. E.g: 'pm2 start app.js -i -3' in a 8 cpus environment will start 5 instances (8 - 3).

0.12.10

  • Fix : PM2 interactor doesn't send data about dead processes ('old') anymore.
  • Fix #1137 : Safe params for 'pm2 list' so cli-table won't fail
  • Refactored reverse interaction with keymetrics for better stability and more verbosity on Rollback/Pull/Upgrade operations

0.12.9

  • Fix #1124 : PM2_PROGRAMMATIC flag wasn't handled properly
  • Fix #1121 : NODE_PATH before PATH so custom node versions come first
  • Fix #1119 : Safe params so cli-table won't fail
  • Fix #1099 : Bug when app name starts by digit (e.g '1-myApp')
  • Fix #1111 : More verbosity on writeFileSync errors
  • New env setting: PM2_KILL_TIMEOUT (ms) : time to wait before a process is considered dead
  • New env setting: PM2_CONCURRENT_ACTIONS : use it with care, value bigger than 1 is considered unstable
  • Refactored reload/gracefulReload for better stability

0.12.8

  • Fix : Channel closed error
  • Fix : Resource leak error
  • Fix#1091 : when passing a wrong formated number to -i infinite loop
  • Fix #1068 #1096 : restart fails after reloadLogs()
  • New : When PM2 is being killed, all restarts are blocked to avoid conflict
  • New : PM2 dumps the process list before exiting if it is killed by signal
  • Refactored stop/restart for better stability

0.12.7

  • pm2 logs : Now shows merged logs
  • Fix #929 #1043 : Bug pm2 stop/restart not working properly
  • Fix #1039 : Better algorithm for vision recursive parsing to avoid infinite loops
  • Automatize #858 #905: Directly init pm2 folder if not present when using it programmatically
  • Add Bus system from PM2 programmatic API

0.12.6

  • Enhancement of startJson command (force_name and additional_env options)
  • Fix #990 : pm2 flush while pm2 logs was open bug
  • Fix #1002 : pm2 monit bug
  • Fix #1024 : enhancement
  • Fix #1011 : json-stringify-safe bug
  • Fix #1007 #1028 #1013 #1009 : pm2 desc bug
  • Fix : pm2 interact delete when file doesn't exist bug

0.12.5

  • Windows support

0.12.4

  • Never start a process that already has a PID [#938]
    1. Make platform auto detecting. 2. Support darwin startup script. [#936]
  • Fix #857 #935, add scriptArgs back [d61d710]
  • Fix broken link upstart [f8ff296]
  • Fixed: multiple calls to vizion.parse() for the same process [0e798b1]
  • fix 2015 test easter egg - Happy New Year! [85d11d5]
  • fixes #906 [#911]
  • Add back automatic coffee interpreter #488 #901 [e9a69fe]
  • Upgrade cli-table, commander, colors, moment dependencies [0cc58ce][a4b7d8d]
  • Domain system to patch fix the exception thrown by the cluster module
  • Fix #830 #249 #954 when there is no HOME env to default to /etc/.pm2 [17d022c]

0.12.3

  • fixed critical bug: process.env flattens all env-vars [#898]
  • npm maintainers format [#894]
  • fix pm2 desc crash bug [#892]
  • fix CLI typo [#888]
  • port config [#885]

0.12.2

  • treeKill copyright and update [#848] [#849]
  • Allow environment variables per each ecosystem deploy [#847]
  • max-memory-restart option [#697] [#141]
  • JSON validation (cf ADVANCED_README.md) [#768] [#838]
  • CLI/JSON refactoring
  • watch fixes
  • execute binary softwares
  • node_args refactored (ESC support) [#838]
  • reload env graceful and peaceful [#838]
  • min_uptime added [#838]
  • startOrRestart conf.json does update environment variables [#805]
  • vizion only refresh ahead and unstaged flags [f1f829c]
  • worker restart cluster process if it's equal to 0 && online [c2e3581]
  • pm2 pull [commit_id] [c2e3581] [4021902]
  • fix reloadLogs for fork mode [c0143cc][197781e]
  • waterfall logs stream [#822]
  • --log option to have a merged error and out output [#822]
  • God core refactors
  • test refactoring
  • update isBinaryFile [636fd99]
  • pid deletion has been resurected [f2ce631]
  • worker refactor [29fc72b]
  • fix no color [3feead2]
  • upgrade chokidar 0.12 with follow symlink [4ac0e74]
  • refactor Reload [cf94517][f1eb17]
  • avoid truncate with pm2 logs command [26aff8b]
  • God print log with timestamp via PM2_LOG_DATE_FORMAT [bf2bf8a][3eaed07]
  • better test suit
  • new treekill system [11fe5f4]

Big thanks to @Tjatse !

0.12.1

  • Harden Lock system
  • Fix Worker bug / Refactor Worker
  • Cleanly close interactor sockets on end
  • Add backward compatibility for older PM2 on kill action via system signal SIGQUIT
  • once listener for killDaemon

0.12.0 - clear water ops

  • better ecosystem.json5 file with embedded comments
  • startOrRestart conf.json update environment variables #805 #812
  • pm2 start my/bin/file work out of the box
  • JSON5 support
  • PM2_HOME supported - PM2 files paths relocation (logs, pid) via PM2_HOME option
  • post_updates commands are searched in process.json/ecosystem.json/package.json
  • Worker system to verify up to date repositories
  • Rename process running with PM2 - app_name
  • Process Lock system
  • Inner iteraction with PM2 possible #782
  • Better vizion system
  • backward / forward / pull command
  • Doc moved to doc
  • remove uidnumber module
  • pre install / post install scripts removed
  • Remote Lock System
  • More God tests
  • GRACEFUL_LISTEN_TIMEOUT constant configurable
  • Logs are closed in Fork mode when reloading
  • Fix not tty
  • Fix cluster structure nullification
  • Pre Windows Support
  • Send revision process on each process event
  • Upgrade Commander (better help display)
  • Upgrade chokidar to 0.10.x
  • Better interactor
  • Better revision parsing
  • Configuration file
  • Close fd in fork mode while reloading
  • Remove --run-as-user option
  • Better CLI interface for interactor
  • axm:monitor axm:dynamic
  • Temporaly merge pm2-interface with pm2
  • Cache cpu infos
  • Make revision transit in God.bus broadcast
  • Ignore useless events in God.bus broadcast

0.11.0-1

  • Multi user support and privilege containment: UNIX sockets instead of TCP
  • Reload refactoring
  • Process on uncaughtexcption to flush process list
  • pm2 logs display state change of processes

0.10.x

  • multi host for pm2 deploy
  • fork mode by default
  • fix watch on clusters
  • refactor watch
  • env option via programmatic interface
  • fix watch system
  • correct pm2 describe command
  • close file used via pm2 flush
  • add startOrReload
  • better closing events

0.10.0 - PM2 Hellfire release

  • PM2 hearth code has been refactored and now it handles extreme scenario without any leak or bug
  • PM2 restart <json|id|name|all> refresh current environment variables #528
  • PM2 delete all more verbose
  • PM2 reset <all|id|name> reset restart numbers
  • Auto update script at PM2 installation
  • --watch enhanced to avoid zombie processes
  • Restart app when reaching a limit of memory by using --max-memory-restart (and max_memory_restart via JSON)(https://github.com/Unitech/pm2#max-memory-restart)
  • PM2 respects strong unix standard process management
  • Remove timestamps by default with pm2 logs
  • Coffeescript not enabled by default anymore (enhance memory usage)
  • PM2 Programmatic interface enhanced
  • PM2 hearth refactor
  • PM2 describe show node-args
  • node_args for V8 options is now available via JSON declaration
  • Watch system avoid ghost processes
  • Memory leak fixes
  • Better performance on interface
  • Fix tests
  • Enable PM2_NODE_OPTIONS and node-args for fork mode
  • Dependencies updated
  • Faster monitoring system
  • AXM actions unification
  • Socket errors handled
  • Watchdog via Agent - restart automatically PM2 with previous processes in case of crash
  • PM2_NODE_OPTIONS deprecation (use --node-args instead)

0.9.6 - 0.9.5 - 0.9.4

  • Bash test auto exit when failure
  • Bump fix log streaming
  • Bump fix to display old logs streaming by default
  • Bump fix

0.9.3

  • Critical bug on fork mode fixed (stream close)
  • Advanced log display interface pm2-logs #589
  • Simple log timestamp via --log-date-format (with momentJS formating) #183
  • Possible to pass arguments via scriptArg with programmatic PM2 #591
  • Gentoo startup script generation #592
  • Fix run-as-user and run-as-group in fork mode #582
  • Documentation update

0.9.2

  • max_restart enabled
  • sudo fix for init scripts
  • some startup refactoring
  • Possibility to specify the configuration folder for PM2 via process.env.PM2_HOME
  • Fix date format
  • N/A for undefined date
  • Evented interactions with PM2, available via pm2-interface
  • Deep Interactor refactoring
  • Force reload for upstart script

0.9.0-0.9.1

  • CLI flattening
  • require('pm2') possible to interact with
  • deployment system
  • Remove builtin monitoring feature
  • Fix watch on delete #514
  • Gracefull reload now rightly handled #502
  • Allow path in watch option #501
  • Allow management of non-interpreted binaries #499
  • Documentation fixes

0.8.12-0.8.15

  • Version bumping

0.8.12

  • Fix CWD option #295

0.8.10-0.8.11

  • Builtin monitoring feature with email (with pm2 subscribe)
  • Reload Logs for Fork
  • Deletion of possible circular dependencies error
  • pm2 updatePM2 command to update in-memory pm2
  • notification message if the in-memory pm2 is outdated
  • cwd option in json #405 #417 #295
  • README updates
  • ipc channel for fork mode
  • re enable process event loggin for interactor
  • avoid possible stream error
  • watch ignore option in JSON

0.8.5-6

  • Update monitoring module

0.8.4

  • Remove C++ binding for monitoring
  • Update axon and axon-rpc

0.8.2

  • Adds option to switch to a different user/group before starting a managed process #329
  • watch doesnt watch node_module folder
  • default log files and pid files location can be overrided by PM2_LOG_DIR / PM2_PID_DIR

0.8.1

  • Readme changes #400 #398
  • Fix describe command #403
  • reload/gracefulReload throw error if no process has been reloaded #340

0.8.0

  • More verbosity to pm2.log
  • Fast Watch & Reload
  • New README.md
  • --merge-logs option to merge logs for a group of process
  • logs reload with SIGUSR2 or pm2 reloadLogs
  • return failure code when no process has been reloaded
  • Upgrade of outdated packages
  • Silent (-s) flag remove all possible pm2 output to CLI
  • New display for list, more compact
  • pm2 describe <id> to get more details about a process
  • Fixed 0.10.x issue when stop/kill
  • Helper shown when -h
  • Linter errors
  • Systemd support for Fedora / ArchLinux
  • #381 Add support for Amazon Linux startup script
  • Fixed rendering
  • Interaction possible with VitalSigns.io
  • Avoid exception when dump file is not present

0.7.8

  • List processes with user right service pm2-init.sh status

0.7.7

  • Bug fixes, stability fixes

0.7.2

  • harmony can be enabled Enabling harmony
  • can pass any options to node via PM2_NODE_OPTIONS, configurable via ~/.pm2/custom_options.sh
  • pid file written in ~/.pm2/pm2.pid
  • startup script support for CentOS
  • --no-daemon option (Alex Kocharin)
  • json file now can be : started/stoped/restarted/deleted
  • coffeescript support for new versions (Hao-kang Den)
  • accept JSON via pipe from standard input (Ville Walveranta)
  • adjusting logical when process got an uncaughtException (Ethanz)

Update from 0.x -> 0.7.2

  • CentOS crontab option should not be used anymore and use the new init script with pm2 startup centos
  • If you use the configuration file or the harmonoy option, you should regenerate the init script

0.7.1

  • Integrates hardened reload, graceful reload and strengthened process management

0.7.0

  • Reload works at 100%
  • Logs are now separated by process id
  • Minimal listing with -m option
  • pid files are deleted once process exit
  • ping method to launch or knwo if pm2 is alive
  • more tests
  • coffeescript is supported in cluster mode
  • clean exit
  • clean process stopping
  • speed process management enhanced
  • async used instead of recuresive loops
  • broad test for node 0.11.10 0.11.9 0.11.8 0.11.7 0.11.5 0.10.24 0.10.23 0.10.22 0.10.21 0.10.20 0.10.19 0.10.18 0.10.17 0.10.16 0.10.15 0.10.14 0.10.13 0.10.12 0.10.11 0.8

0.6.8

  • Homogeneize JSON #186
  • Auto intepreter selection (you can do pm2 start app.php)

0.5.6

  • Coffeescript support
  • Updating dependencies - axon - commander
  • Log feature enhanced - duplicates removed - name or id can be passed to pm2 logs xxx

0.5.5

  • Ability to set a name to a launched script + tests
    • with the --name option when launching file
    • with the "name" parameter for JSON files
  • Ability to restart a script by name + tests
  • Upgrade node-usage to 0.3.8 - fix monitoring feedback for MacOSx
  • require.main now require the right file (activate it by modifying MODIFY_REQUIRE in constants.js)
  • CentOS startup script with pm2 startup centos
  • 0 downtime reload

0.5.4

  • Remove unused variable in startup script
  • Add options min_uptime max_restarts when configuring an app with JSON
  • Remove pid file on process exit
  • Command stopAll -> stop all | restartAll -> restart all (backward compatible with older versions)

0.5.0

  • Hardening tests
  • Cron mode to restart a script
  • Arguments fully supported
  • MacOSx monitoring possible