Release Release 4.15.4 · apache/bookkeeper

Release 4.15.4 includes multiple bug fixes and some dependencies CVE fixes.

Apache BookKeeper users are encouraged to upgrade to 4.15.4.
The technical details of this release are summarized below.

Fix QueueEntry recycle problem PR #3747
Fix memory leak when the Bookie is in read only mode PR #3746
Fix RegionAwareEnsemblePlacementPolicy.newEnsemble sometimes failed problem PR #3725
Not wrap IOException twice form checkpoint PR #3683
Make jvm_memory_direct_bytes_used metrics compatible with jdk8 PR #3677
Fix memory leak when closeRecovered,failed on clearing newEnsemblesFromRecovery PR #3672
Fix RegionAwareEnsemblePlacementPolicy update rack info problem PR #3666
Exit bookkeeper shell correctly even if fails to run for some reason PR #3663
Fix memory leak when operating ledger metadata PR #3662
Check client if closed when complete callback PR #3661
Fix issue where checkAllLedgers could get stuck when read throttling is enabled PR #3655
Fix GetBookieInfo failed event stats PR #3622
Apply recycle logic during add entry creation but ledger close to LedgerHandleAdv PR #3621
BookieImpl remove wait until journal quits PR #3603

Support build in the aarch64 linux platform PR #3828
Use ReferenceCountUtil.release() instead of ReferenceCountUtil.safeRelease() PR #3797
Added api/v1/bookie/cluster_info REST API PR #3713
Expose registrationClient in DefaultBookieAddressResolver PR #3724
New ensemble choose different rack first PR #3721
Improve bk_server.conf docs PR #3715
Show result of isFenced in log PR #3678
Include bkperf into bk all package PR #3632
Add journal file path that caused failure in multi-journal config PR #3623
Avoid extra buffer to prepend frame size PR #3560
Using a separate thread pool to execute openWithMetadata PR #3548
LedgerHandle: do not complete metadata operation on the ZookKeeper/Metadata callback thread PR #3516
ledgerFragment check and results keep order PR #3504
Simplified No network topology script is found default log stack output PR #3496
Support apple m1 build PR #3175

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