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new 4a012a2a1e Generate 4.18.0 release note (#4807)
4a012a2a1e is described below
commit 4a012a2a1e984333c65834caddb1639158ce6bac
Author: Hang Chen <[email protected]>
AuthorDate: Wed Jul 1 18:33:30 2026 -0700
Generate 4.18.0 release note (#4807)
---
site3/website/src/pages/release-notes.md | 144 +++++++++++++++++++++++++++++++
1 file changed, 144 insertions(+)
diff --git a/site3/website/src/pages/release-notes.md
b/site3/website/src/pages/release-notes.md
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--- a/site3/website/src/pages/release-notes.md
+++ b/site3/website/src/pages/release-notes.md
@@ -4,6 +4,150 @@ format: md
<!-- markdown-link-check-disable -->
# Release notes
+## 4.18.0
+
+Release 4.18.0 includes multiple important features, improvements, bug fixes
and dependency/CVE updates.
+
+The technical details of this release are summarized below.
+
+### Breaking Changes
+
+* Require Java 17+ for building and running BookKeeper [PR
#4446](https://github.com/apache/bookkeeper/pull/4446)
+* [improve][conf] Change the default value of
`readOnlyModeOnAnyDiskFullEnabled` to true [PR
#4520](https://github.com/apache/bookkeeper/pull/4520)
+* BP-69: Remove `bookkeeper-slogger` module [PR
#4764](https://github.com/apache/bookkeeper/pull/4764)
+* Remove deprecated method `setAllocatorPoolingConcurrenncy` [PR
#4431](https://github.com/apache/bookkeeper/pull/4431)
+* Remove deprecated class `MathUtils` [PR
#4274](https://github.com/apache/bookkeeper/pull/4274)
+
+### Features
+
+* BP-69: Adopt slog for structured logging [PR
#4751](https://github.com/apache/bookkeeper/pull/4751)
+* BP-69: Convert bookkeeper-common to slog (phase 1) [PR
#4754](https://github.com/apache/bookkeeper/pull/4754)
+* BP-69: Convert stats and allocator modules to slog (phase 2) [PR
#4755](https://github.com/apache/bookkeeper/pull/4755)
+* BP-69: Convert bookkeeper-server to slog (phase 3) [PR
#4756](https://github.com/apache/bookkeeper/pull/4756)
+* BP-69: Convert stream/distributedlog modules to slog (phase 5) [PR
#4757](https://github.com/apache/bookkeeper/pull/4757)
+* BP-69: Convert http, tools, benchmark and metadata-drivers to slog (phase
4+6) [PR #4758](https://github.com/apache/bookkeeper/pull/4758)
+* BP-69: Convert remaining SLF4J usages in non-test code to slog [PR
#4765](https://github.com/apache/bookkeeper/pull/4765)
+* BP-69: Allow caller to pass a parent slog Logger to created/opened ledgers
[PR #4766](https://github.com/apache/bookkeeper/pull/4766)
+* BP-69: Inherit LedgerHandle logger context in ledger operations [PR
#4767](https://github.com/apache/bookkeeper/pull/4767)
+* BP-69: Print slog context attrs in log4j2; add OTel JSON example [PR
#4770](https://github.com/apache/bookkeeper/pull/4770)
+* BP-68: Delete cookie as part of decommission API [PR
#4500](https://github.com/apache/bookkeeper/pull/4500)
+* Delete cookie as part of decommission API [PR
#4592](https://github.com/apache/bookkeeper/pull/4592)
+* BP-66: support throttling for zookeeper read during rereplication [PR
#4258](https://github.com/apache/bookkeeper/pull/4258)
+* [BP-62] Expose `batchReadUnconfirmedAsync` to ReadHandle [PR
#4739](https://github.com/apache/bookkeeper/pull/4739)
+* feat: migrate native-io implementation from C to Rust [PR
#4738](https://github.com/apache/bookkeeper/pull/4738)
+* Migrate `BookkeeperProtocol` from protobuf-java to LightProto [PR
#4780](https://github.com/apache/bookkeeper/pull/4780)
+* Migrate `DataFormats` from protobuf-java to LightProto [PR
#4779](https://github.com/apache/bookkeeper/pull/4779)
+* Migrate stream non-gRPC protos to LightProto [PR
#4781](https://github.com/apache/bookkeeper/pull/4781)
+* Migrate stream gRPC protos to LightProto [PR
#4783](https://github.com/apache/bookkeeper/pull/4783)
+* Migrate from Yahoo DataSketches to Apache DataSketches 7.0.1 (KLL) [PR
#4774](https://github.com/apache/bookkeeper/pull/4774)
+* Support bookie server config TCP keep-alive [PR
#4762](https://github.com/apache/bookkeeper/pull/4762)
+* [client] new API to check if BookKeeper client is connected to metadata
service [PR #4342](https://github.com/apache/bookkeeper/pull/4342)
+* feat: allow user config AsyncLogger in log4j2 [PR
#4269](https://github.com/apache/bookkeeper/pull/4269)
+
+### Improvements
+
+#### Bookie
+
+* [improve] add metrics: `total_entry_log_space_bytes` [PR
#4507](https://github.com/apache/bookkeeper/pull/4507)
+* improve: Enrich GC metrics to better analyze GC behavior and the time
consumption of each phase [PR
#4384](https://github.com/apache/bookkeeper/pull/4384)
+* add metric for rocksdb `getLastEntryInLedger` to help find out bottleneck
[PR #4529](https://github.com/apache/bookkeeper/pull/4529)
+* Set ThreadFactory for Executor in EntryLoggerAllocator [PR
#4562](https://github.com/apache/bookkeeper/pull/4562)
+* Add temp dir property for native library [PR
#4533](https://github.com/apache/bookkeeper/pull/4533)
+* Apply WRITE_BUFFER_WATER_MARK setting to child channels in BookieNetty
Server [PR #4337](https://github.com/apache/bookkeeper/pull/4337)
+* SingleDirectoryDbLedgerStorage skip optimistic cache put sometimes [PR
#4306](https://github.com/apache/bookkeeper/pull/4306)
+* Log only overridden config in BookieServer startup [PR
#4768](https://github.com/apache/bookkeeper/pull/4768)
+* Remove unused journaltime [PR
#4006](https://github.com/apache/bookkeeper/pull/4006)
+
+#### Client
+
+* LedgerHandle: eliminate unnecessary synchronization on
`LedgerHandle.getLength()` [PR
#4516](https://github.com/apache/bookkeeper/pull/4516)
+* Optimize bounded batch reads by predicting entry count [PR
#4741](https://github.com/apache/bookkeeper/pull/4741)
+* improve: Improve host address resolution logic for bookie id [PR
#4588](https://github.com/apache/bookkeeper/pull/4588)
+* Rename the client high priority thread pool [PR
#4496](https://github.com/apache/bookkeeper/pull/4496)
+
+#### Tools
+
+* [improve] Update readledger command to read all the entries from a bookie
when first entry and last entry ids are not provided [PR
#4692](https://github.com/apache/bookkeeper/pull/4692)
+* Optimize ListActiveLedgersCommand [PR
#4602](https://github.com/apache/bookkeeper/pull/4602)
+* Optimize bookie usage information while using command line option `--help`
[PR #4241](https://github.com/apache/bookkeeper/pull/4241)
+
+### Bugs
+
+#### Bookie
+
+* fix BookKeeper can't startup cause by 'IOException: Recovery log xxx is
missing' [PR #4740](https://github.com/apache/bookkeeper/pull/4740)
+* Prevent double flush due to race in SingleDirectoryDbLedgerStorage [PR
#4305](https://github.com/apache/bookkeeper/pull/4305)
+* Fix RocksDB configuration path handling on Windows [PR
#4407](https://github.com/apache/bookkeeper/pull/4407)
+* Issue 4503: Added check into BufferedChannel's read to avoid endless loop
[PR #4506](https://github.com/apache/bookkeeper/pull/4506)
+* [Fix] ConcurrentLongHashMap throw ArrayIndexOutOfBoundsException [PR
#4771](https://github.com/apache/bookkeeper/pull/4771)
+* Add workaround for ZOOKEEPER-3825 related to numeric IPs and DNS names with
multiple numeric IPs and support on Java 17 [PR
#4719](https://github.com/apache/bookkeeper/pull/4719)
+* Fix async log appender not print error log when bookie starting
exceptionally [PR #4475](https://github.com/apache/bookkeeper/pull/4475)
+* fix: throw reject when SingleThreadExecutor drainTo in progress and queue is
empty [PR #4488](https://github.com/apache/bookkeeper/pull/4488)
+
+#### Client
+
+* Fix batch reads hanging after digest mismatch retries are ignored [PR
#4789](https://github.com/apache/bookkeeper/pull/4789)
+* Fix WriteSet use-after-recycle in sequence reads [PR
#4788](https://github.com/apache/bookkeeper/pull/4788)
+* Fix NPE in PendingAddOp.maybeTimeout() when clientCtx is null after
recycling [PR #4760](https://github.com/apache/bookkeeper/pull/4760)
+* Fix race condition NPE in V3 response handling during timeout check [PR
#4737](https://github.com/apache/bookkeeper/pull/4737)
+* [client][fix] Bookie WatchTask may be stuck [PR
#4481](https://github.com/apache/bookkeeper/pull/4481)
+* Fix LedgerHandle batchReadUnconfirmedAsync: use slog log instead of LOG [PR
#4782](https://github.com/apache/bookkeeper/pull/4782)
+* #4574: fix sanity check asyncBatchReadEntries [PR
#4579](https://github.com/apache/bookkeeper/pull/4579)
+* fix: Add strict hostname resolution and loopback check for advertised
address [PR #4595](https://github.com/apache/bookkeeper/pull/4595)
+* [fix] Change log level to debug when check parameters in BatchRead [PR
#4485](https://github.com/apache/bookkeeper/pull/4485)
+
+#### Others
+
+* [FIX] Fix IllegalThreadStateException in ComponentStarter shutdown hook [PR
#4733](https://github.com/apache/bookkeeper/pull/4733)
+* Fix potential jetcd-core shading problem [PR
#4526](https://github.com/apache/bookkeeper/pull/4526)
+* Fix potential class conflict during jetcd-core-shaded shading process [PR
#4532](https://github.com/apache/bookkeeper/pull/4532)
+* compatible fix wrong key for getHttpServerTrustStorePassword [PR
#4301](https://github.com/apache/bookkeeper/pull/4301)
+* [fix] fix string format for exception in RocksdbKVStore [PR
#4448](https://github.com/apache/bookkeeper/pull/4448)
+* fix: permission denied in the docker image [PR
#4464](https://github.com/apache/bookkeeper/pull/4464)
+* [fix] Fix issue where options for sanity test command are ignored [PR
#4691](https://github.com/apache/bookkeeper/pull/4691)
+* Fix duplicated call zkGetLogSegmentNames in getLogSegmentNames [PR
#4050](https://github.com/apache/bookkeeper/pull/4050)
+* Fix the pid occupied check when use bookkeeper-daemon.sh start or stop [PR
#3113](https://github.com/apache/bookkeeper/pull/3113)
+
+### Build, CI and Tests
+
+* Introduce /bkbot Command to Control CI Workflow Runs via PR Comments [PR
#4673](https://github.com/apache/bookkeeper/pull/4673)
+* [Doc] Introduce CI Workflow Management with BookKeeper Bot [PR
#4674](https://github.com/apache/bookkeeper/pull/4674)
+* [ci] Add /bkbot rerun-failure command for job-level failure rerun [PR
#4746](https://github.com/apache/bookkeeper/pull/4746)
+* Upgrade website to Docusaurus 3 and use Node 24 to build [PR
#4723](https://github.com/apache/bookkeeper/pull/4723)
+* ci: add java21(LTS) Compatibility Check [PR
#4350](https://github.com/apache/bookkeeper/pull/4350)
+* build: add java21 and windows daily build [PR
#4292](https://github.com/apache/bookkeeper/pull/4292)
+* ci: add typo ci check and fix typos [PR
#4375](https://github.com/apache/bookkeeper/pull/4375)
+* Improve CI: add caching for BookKeeper old release downloads and improve
maven caching and error logs [PR
#4722](https://github.com/apache/bookkeeper/pull/4722)
+* Remove OWASP dependency check from CI [PR
#4717](https://github.com/apache/bookkeeper/pull/4717)
+* fix: add javadoc support for pom-only shaded modules [PR
#4787](https://github.com/apache/bookkeeper/pull/4787)
+
+### Dependency updates
+
+* Upgrade Netty to 4.2.14 [PR
#4799](https://github.com/apache/bookkeeper/pull/4799)
+* Upgrade Netty to 4.2.13.Final to address CVEs [PR
#4775](https://github.com/apache/bookkeeper/pull/4775)
+* Upgrade Netty to 4.2.12.Final [PR
#4744](https://github.com/apache/bookkeeper/pull/4744)
+* Upgrade vert.x to 4.5.25 to address CVE-2026-6860 [PR
#4790](https://github.com/apache/bookkeeper/pull/4790)
+* Upgrade OpenTelemetry libraries to 1.61.0 / 2.27.0 [PR
#4773](https://github.com/apache/bookkeeper/pull/4773)
+* Upgrade to RocksDB 9.9.3 [PR
#4580](https://github.com/apache/bookkeeper/pull/4580)
+* Upgrade Jetty from 9.4.57 to 12.1.7 [PR
#4710](https://github.com/apache/bookkeeper/pull/4710)
+* Upgrade protobuf and grpc to latest versions [PR
#4716](https://github.com/apache/bookkeeper/pull/4716)
+* Scope gRPC dependencies and rely on grpc-bom for single version [PR
#4784](https://github.com/apache/bookkeeper/pull/4784)
+* Upgrade jctools to 4.0.6 (jctools-core-jdk11) [PR
#4776](https://github.com/apache/bookkeeper/pull/4776)
+* Upgrade jctools version to 4.0.5 [PR
#4656](https://github.com/apache/bookkeeper/pull/4656)
+* build(deps): bump org.apache.zookeeper:zookeeper from 3.9.4 to 3.9.5 [PR
#4721](https://github.com/apache/bookkeeper/pull/4721)
+* build(deps): bump org.apache.zookeeper:zookeeper from 3.9.3 to 3.9.4 [PR
#4667](https://github.com/apache/bookkeeper/pull/4667)
+* Upgrade Lombok to 1.18.32 for Java 22 support [PR
#4267](https://github.com/apache/bookkeeper/pull/4267)
+* Bump bouncycastle version from 1.75 to 1.78 [PR
#4295](https://github.com/apache/bookkeeper/pull/4295)
+* build(deps): bump org.bouncycastle:bc-fips from 1.0.2.4 to 1.0.2.5 [PR
#4366](https://github.com/apache/bookkeeper/pull/4366)
+* build(deps): bump commons-io:commons-io from 2.7 to 2.17.0 [PR
#4509](https://github.com/apache/bookkeeper/pull/4509)
+* Use slf4j-bom and log4j-bom in dependencyManagement [PR
#4346](https://github.com/apache/bookkeeper/pull/4346)
+* Remove unused commons-lang dependency [PR
#4654](https://github.com/apache/bookkeeper/pull/4654)
+* Upgrade os-maven-plugin to support RISC-V 64 [PR
#4515](https://github.com/apache/bookkeeper/pull/4515)
+
+### Details
+
+https://github.com/apache/bookkeeper/pulls?q=is%3Apr+milestone%3A4.18.0+is%3Aclosed
+
## 4.17.3
Release 4.17.3 includes multiple bug fixes and few dependency updates.
