Index - Apache ZooKeeper - Apache Software Foundation
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Apache ZooKeeper
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HowToRelease using git - OUTDATED! Used for branch-3.4
HowToRelease using maven (branch-3.5)
Upgrade FAQ
HowToRelease using maven release plugin
Quotas
CommitterCriteria
CommitterOnboarding
Committing changes
How-to articles
ImplementationCriticisms
June2011DeveloperMeeting
Knowledge Base for Client and Binding Implementors
Merging Github Pull Requests
ReleaseManagement
Tao
UsingEclipse
WebSiteSetup
Zab in words
ZooKeeper and SASL
ZooKeeper SSL User Guide
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Created by
Gavin McDonald
, last modified by
Andor Molnar
on
Jan 15, 2021
General Information
ZooKeeper: Because coordinating distributed systems is a Zoo
ZooKeeper Home Page
Documentation
also see:
The Tao of ZooKeeper
ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services are used in some form or another by distributed applications. Each time they are implemented there is a lot of work that goes into fixing the bugs and race conditions that are inevitable. Because of the difficulty of implementing these kinds of services, applications initially usually skimp on them ,which make them brittle in the presence of change and difficult to manage. Even when done correctly, different implementations of these services lead to management complexity when the applications are deployed.
ZooKeeper aims at distilling the essence of these different services into a very simple interface to a centralized coordination service. The service itself is distributed and highly reliable. Consensus, group management, and presence protocols will be implemented by the service so that the applications do not need to implement them on their own. Application specific uses of these will consist of a mixture of specific components of Zoo Keeper and application specific conventions.
ZooKeeper Recipes
shows how this simple service can be used to build much more powerful abstractions.
We have Java and C interfaces to Zoo Keeper for the applications themselves. A variety of client bindings is available for a number of languages including Python, Ruby and Go.
Overview
of ZooKeeper
Tutorial
: A crash course on how to implement primitives with ZooKeeper
FAQ
Client bindings
Useful Tools
Presentations
and
articles
about ZooKeeper
, a list of sites and applications powered by ZooKeeper
ErrorHandling
, how applications and libraries should deal with errors from ZooKeeper
Troubleshooting
, specific help on troubleshooting ZooKeeper operating environments
Performance
, a benchmark of the performance of the ZooKeeper 3.2 release
Zab
, random notes about the ZooKeeper Atomic Broadcast protocol
Failure Scenarios
, How failure scenarios are handled in ZooKeeper ensembles
Upgrade FAQ
, Known issues and workarounds on ZooKeeper upgrading
Some thoughts about
Quotas
Developer Documentation
Roadmap
HowToContribute
HowToRelease - OUTDATED!
ProjectSuggestions
ReleaseManagement
CommitterCriteria
CommitterOnboarding
Merging Github Pull Requests
UsingEclipse
Committing changes
June2011DeveloperMeeting
ImplementationCriticisms
WebSiteSetup
Related Projects
BookKeeper
HedWig
HBase's integration of ZooKeeper
GSoC2010: Failure Detector Model
GSoC2010: Monitoring Recipes and Web-based Administrative Interface
ZooKeeper Cluster Membership
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