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Release note for 4.15.4 #3831

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Mar 14, 2023
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Release note for 4.15.4 #3831

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53 changes: 53 additions & 0 deletions site3/website/src/pages/release-notes.md
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<!-- markdown-link-check-disable -->
# Release notes

## 4.15.4

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.

### Highlights

#### Bugs

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

#### Improvements

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

#### Dependency updates

* Bump vertx-web from 4.3.2 to 4.3.8 [PR #3775](https://github.com/apache/bookkeeper/pull/3775)
* Upgrade docker image version to fix CVEs [PR #3640](https://github.com/apache/bookkeeper/pull/3640)
* Bump jcommander from 1.78 to 1.82 [PR #3476](https://github.com/apache/bookkeeper/pull/3476)

### Details
https://github.com/apache/bookkeeper/pulls?page=1&q=is%3Apr+label%3Arelease%2F4.15.4+is%3Aclosed

## 4.14.7

Release 4.14.7 includes multiple bug fixes.
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