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Release note 4.15.5 (apache#4151)
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zymap authored Dec 19, 2023
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<!-- markdown-link-check-disable -->
# Release notes

## 4.15.5

Release 4.15.5 includes multiple bug fixes and improvements, also we have a few dependency updates.

Apache BookKeeper users are encouraged to upgrade to 4.15.5 if you are using 4.15.x.
The technical details of this release are summarized below.

### Highlights

The previous release is using ARM platform compile, that means that the JNI libraries are only present for MacOS
and this will incur in a performance degradation (eg: the CRC libraries) or not working (in case of cpu affinity).

The build platform now is tagged with `linux/amd64` by this [PR #4060](https://github.com/apache/bookkeeper/pull/4060)

#### Bugs
* Fix no known bookies after reset racks for all BKs [PR #4128](https://github.com/apache/bookkeeper/pull/4128)
* Fix AutoCloseableLifecycleComponent close exception log [PR #4042](https://github.com/apache/bookkeeper/pull/4042)
* Fix NoSuchElementException when rereplicate empty ledgers [PR #4039](https://github.com/apache/bookkeeper/pull/4039)
* Fix deletedLedgers count [PR #4026](https://github.com/apache/bookkeeper/pull/4026)
* Fix read write request leak when executor throw `RejectedExecutionException` [PR #4024](https://github.com/apache/bookkeeper/pull/4024)
* Recycle LongWrapper finally to avoid memory leak [PR #4007](https://github.com/apache/bookkeeper/pull/4007)
* Fix trigger GC not work [PR #3998](https://github.com/apache/bookkeeper/pull/3998)
* Fix arbitrary file upload vulnerability with httpServerEnabled [PR #3982](https://github.com/apache/bookkeeper/pull/3982)
* Clear channel when channelInactive [PR #3966](https://github.com/apache/bookkeeper/pull/3966)
* Fix npe when iterate pendingLedgersUpdates and pendingDeletedLedgers. [PR #3955](https://github.com/apache/bookkeeper/pull/3955)
* Fix some metrics generated by prometheus client without type info [PR #3927](https://github.com/apache/bookkeeper/pull/3927)
* Fix ledger replicated failed blocks bookie decommission process [PR #3917](https://github.com/apache/bookkeeper/pull/3917)
* Recycle dropping read-write requests when various exceptions happened [PR #3912](https://github.com/apache/bookkeeper/pull/3912)
* SingleDirectoryDbLedgerStorage#flushMutex does not release lock on all exception paths [PR #3909](https://github.com/apache/bookkeeper/pull/3909)
* Fix ReclaimedSpaceViaDeletes stats incorrect problem. [PR #3906](https://github.com/apache/bookkeeper/pull/3906)
* Fix keys leak in EntryLocationIndex when ledgersToDelete is empty [PR #3903](https://github.com/apache/bookkeeper/pull/3903)
* Fix garbage collection blocked by runtime exception [PR #3901](https://github.com/apache/bookkeeper/pull/3901)
* Return activeLogChannel if new create [PR #3894](https://github.com/apache/bookkeeper/pull/3894)
* Modify incorrect rocksDB config level_compaction_dynamic_level_bytes to CFOptions [PR #3860](https://github.com/apache/bookkeeper/pull/3860)
* Fix ReadEntryProcessor v2 SchedulingDelayStats [PR #3758](https://github.com/apache/bookkeeper/pull/3758)
* Fix data lost when configured multiple ledger directories [PR #3329](https://github.com/apache/bookkeeper/pull/3329)


#### Improvements
* Issue 4126: Fix a slow gc thread shutdown when compacting [PR #4127](https://github.com/apache/bookkeeper/pull/4127)
* Remove the unused logs in the CleanupLedgerManager.recordPromise [PR #4121](https://github.com/apache/bookkeeper/pull/4121)
* Ignore the empty `perRegionPlacement` when RegionAwareEnsemblePlacementPolicy#newEnsemble [PR #4106](https://github.com/apache/bookkeeper/pull/4106)
* Print compaction progress [PR #4071](https://github.com/apache/bookkeeper/pull/4071)
* Force to use linux/amd64 to build release [PR #4060](https://github.com/apache/bookkeeper/pull/4060)
* Remove underreplicaiton callback [PR #4058](https://github.com/apache/bookkeeper/pull/4058)
* Allow to set max operation numbers in a single rocksdb batch [PR #4044](https://github.com/apache/bookkeeper/pull/4044)
* Change pendingDeletedLedgers as ConcurrentHashSet [PR #3989](https://github.com/apache/bookkeeper/pull/3989)
* Avoid compaction to trigger extra flushes DbLedgerStorage [PR #3959](https://github.com/apache/bookkeeper/pull/3959)
* Support skip invalid journal record in replying journal stage [PR #3956](https://github.com/apache/bookkeeper/pull/3956)
* Optimize getEntryLogMetadata [PR #3948](https://github.com/apache/bookkeeper/pull/3948)
* drop invalid entryFormat arg from shell command [PR #3938](https://github.com/apache/bookkeeper/pull/3938)
* Enable PCBC completionObjects autoShrink to reduce memory usage and gc [PR #3913](https://github.com/apache/bookkeeper/pull/3913)
* Prevent transit to writable mode when forceReadOnly mode is active [PR #3881](https://github.com/apache/bookkeeper/pull/3881)
* Make read entry request recyclable [PR #3842](https://github.com/apache/bookkeeper/pull/3842)
* Fixed the pivot selection in the group quick-sort [PR #3800](https://github.com/apache/bookkeeper/pull/3800)
* Execute clean indexes in finally [PR #3772](https://github.com/apache/bookkeeper/pull/3772)
* Add small files check in garbage collection [PR #3631](https://github.com/apache/bookkeeper/pull/3631)


#### Dependency updates
* Update Jetty dependency [PR #4141](https://github.com/apache/bookkeeper/pull/4141)
* Bump guava version from 31.0.1-jre to 32.0.1-jre [PR #4008](https://github.com/apache/bookkeeper/pull/4008)
* Upgrade snappy-java to address multiple CVEs [PR #3993](https://github.com/apache/bookkeeper/pull/3993)
* Upgrade grpc and protobuf to address CVE-2023-32732 [PR #3992](https://github.com/apache/bookkeeper/pull/3992)
* Downgrade grpc and protobuf to avoid introducing breaking change [PR #4001](https://github.com/apache/bookkeeper/pull/4001)
* Fix issue with binary compatibility with older grpc versions at runtime in the client [PR #3997](https://github.com/apache/bookkeeper/pull/3997)
* Upgrade jetty version to 9.4.51.v20230217 [PR #3937](https://github.com/apache/bookkeeper/pull/3937)
* Upgrade docker base image to resolve CVE-2023-0286 [PR #3916](https://github.com/apache/bookkeeper/pull/3916)
* Upgrade bc-fips to 1.0.2.4 to fix CVE-2022-45146 [PR #3915](https://github.com/apache/bookkeeper/pull/3915)
* Remove avro, hadoop-auth and jersey-json dependencies from hadoop-common to resolve CVE-2019-10202, CVE-2023-1370 and CVE-2022-45685 [PR #3911](https://github.com/apache/bookkeeper/pull/3911)
* Sync dependency version with source version in license [PR #3633](https://github.com/apache/bookkeeper/pull/3633)
* Bump grpc from 1.45.1 to 1.47.0, solve dependency check FP [PR #3305](https://github.com/apache/bookkeeper/pull/3305)
* Optimize log4j dependency in Bookkeeper [PR #3892](https://github.com/apache/bookkeeper/pull/3892)


#### Details

https://github.com/apache/bookkeeper/pulls?q=is%3Apr+label%3Arelease%2F4.15.5+is%3Aclosed+

## 4.16.3

Rlease 4.16.3 includes multiple bug fixes and some dependencies CVE fixes.
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