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Apache ZooKeeper https://zookeeper.apache.org

apache configuration-management consensus coordination database distributed-configuration distributed-database distributed-systems hacktoberfest java key-value service-discovery zab zookeeper

Java 70.6%
C++ 6.6%
C 6.1%
MDX 4.7%
TypeScript 4.3%
Other 7.3%

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Repository files (latest commit first)
Filename	Latest commit message	Latest commit date
Wu Shuwen 87e85f28e7 ZOOKEEPER-5108: Client SASL settings set to true with trailing whitespace are read as false Reviewers: kezhuw, anmolnar Author: dajiaohuang Closes #2484 from dajiaohuang/ZOOKEEPER-5108		2026-11-04 09:35:08 -06:00
.github/workflows	ZOOKEEPER-5116: Pin website and CI build runner to ubuntu-24.04 to fix website and CI build	2026-11-04 11:05:36 +08:00
bin	ZOOKEEPER-5109: Do not pass server JVM flags to status diagnostic client	2026-10-21 11:02:15 +08:00
conf	ZOOKEEPER-4391: Allow custom JVM heap sizing besides "-Xmx"	2026-10-20 18:20:38 +08:00
dev/docker	ZOOKEEPER-5039: Raise to min JDK 17, also build, test with JDK25	2026-06-24 14:24:08 -05:00
tools	ZOOKEEPER-3766: Clean up bash scripts	2025-03-25 15:16:50 -05:00
zookeeper-assembly	ZOOKEEPER-4835: Make use of Netty optional when no SSL is used	2026-09-11 14:05:04 -05:00
zookeeper-client	ZOOKEEPER-5103: Address memory leaks in the C client	2026-10-26 09:45:08 -05:00
zookeeper-compatibility-tests	[maven-release-plugin] prepare for next development iteration	2023-07-17 13:36:10 +02:00
zookeeper-contrib	ZOOKEEPER-5038: Migrate to Jetty 12.1.12 (EE10)	2026-08-25 13:19:29 -05:00
zookeeper-it	ZOOKEEPER-4826 Reduce unnecessary executable permissions on files (#2157 )	2024-04-30 10:12:34 +02:00
zookeeper-jute	ZOOKEEPER-842: Generate jute method `copyFrom` to decouple `ZooKeeper` from `DataTree`	2025-08-23 13:59:20 +08:00
zookeeper-metrics-providers	ZOOKEEPER-5038: Migrate to Jetty 12.1.12 (EE10)	2026-08-25 13:19:29 -05:00
zookeeper-recipes	ZOOKEEPER-5061: ZooKeeper website fixes	2026-07-01 11:34:56 -05:00
zookeeper-server	ZOOKEEPER-5108: Client SASL settings set to true with trailing whitespace are read as false	2026-11-04 09:35:08 -06:00
zookeeper-specifications	ZOOKEEPER-4834. fix typos in Apache ZooKeeper (#2167 )	2024-07-16 16:06:34 +08:00
zookeeper-website	Added new CVEs published with 3.8.8 and 3.9.7	2026-11-03 11:35:24 -06:00
.asf.yaml	ZOOKEEPER-5034: enable dependabot via .asf.yaml	2026-03-27 12:59:09 -05:00
.gitattributes	ZOOKEEPER-3766: Clean up bash scripts	2025-03-25 15:16:50 -05:00
.gitignore	ZOOKEEPER-4752: Remove version files in zookeeper-server/src/main from .gitignore (#2073 )	2023-10-04 05:49:00 +08:00
.typos.toml	ZOOKEEPER-4834. fix typos in Apache ZooKeeper (#2167 )	2024-07-16 16:06:34 +08:00
checkstyle-simple.xml
checkstyle-strict.xml
checkstyleSuppressions.xml
excludeFindBugsFilter.xml	ZOOKEEPER-5039: Raise to min JDK 17, also build, test with JDK25	2026-06-24 14:24:08 -05:00
Jenkinsfile	ZOOKEEPER-5039: Raise to min JDK 17, also build, test with JDK25	2026-06-24 14:24:08 -05:00
Jenkinsfile-owasp	ZOOKEEPER-5076: Upgrade JDK to 17 for the Owasp build	2026-08-14 14:15:15 -05:00
Jenkinsfile-PreCommit	ZOOKEEPER-5039: Raise to min JDK 17, also build, test with JDK25	2026-06-24 14:24:08 -05:00
Jenkinsfile-s390x	ZOOKEEPER-5066: Update JDK11 to JDK 17, 25 in s390x jenkinsfile	2026-07-07 09:41:46 -05:00
LICENSE.txt
NOTICE.txt	ZOOKEEPER-5061: ZooKeeper website fixes	2026-07-01 11:34:56 -05:00
owaspSuppressions.xml	ZOOKEEPER-5087: Suppress false positive OpenTelemetry CVE-s in OWASP dependency check	2026-09-15 13:34:36 -05:00
pom.xml	ZOOKEEPER-5099: Upgrade jackson-databind to 2.22.3	2026-10-05 11:05:46 -05:00
README.md	ZOOKEEPER-5039: Raise to min JDK 17, also build, test with JDK25	2026-06-24 14:24:08 -05:00
README_packaging.md
zk-merge-pr.py	ZOOKEEPER-4806: Commits have to be refreshed after merging	2024-02-15 14:40:32 +01:00

README.md

Apache ZooKeeper

For the latest information about Apache ZooKeeper, please visit our website at:

https://zookeeper.apache.org

and our wiki, at:

https://cwiki.apache.org/confluence/display/ZOOKEEPER

Packaging/release artifacts

Either downloaded from https://zookeeper.apache.org/releases.html or found in zookeeper-assembly/target directory after building the project with maven.

apache-zookeeper-[version].tar.gz

    Contains all the source files which can be built by running:
    mvn clean install

    To generate an aggregated apidocs for zookeeper-server and zookeeper-jute:
    mvn javadoc:aggregate
    (generated files will be at target/site/apidocs)

apache-zookeeper-[version]-bin.tar.gz

    Contains all the jar files required to run ZooKeeper
    Full documentation can also be found in the docs folder

As of version 3.5.5, the parent, zookeeper and zookeeper-jute artifacts are deployed to the central repository after the release is voted on and approved by the Apache ZooKeeper PMC:

https://repo1.maven.org/maven2/org/apache/zookeeper/zookeeper

Contributing

We always welcome new contributors to the project! See How to Contribute for details on how to submit patches as pull requests and other aspects of our contribution workflow.