Michael Han created ZOOKEEPER-3419:
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Summary: Backup and recovery support
Key: ZOOKEEPER-3419
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3419
Project: ZooKeeper
Issue Type: New Feature
Components: server
Affects Versions: 3.6.0
Reporter: Michael Han
Assignee: Michael Han
Historically ZooKeeper has no intrinsic support for backup and restore. The
usual approach of doing backup and restore is through customized scripts to
copy data around, or through some 3rd party tools (exhibitor, etc), which
introduces operation burden.
This Jira will introduce another option: a direct support of backup and restore
from ZooKeeper itself. It's completely built into ZooKeeper, support point in
time recovery of an entire tree rooted after an oops event, support recovery
partial tree for test/dev purpose, and can help replay history for bug
investigation. It will try to provide a generic interface so the backups can be
directed to different data storage systems (S3, Kafka, HDFS, etc).
This same system has been in production at Twitter for X years and proved to be
quite helpful for various use cases mentioned earlier.
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