Li Wang created ZOOKEEPER-4927:
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Summary: Support more fine tunable purgeInterval
Key: ZOOKEEPER-4927
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4927
Project: ZooKeeper
Issue Type: Improvement
Components: server
Affects Versions: 3.9.3
Reporter: Li Wang
A zookeeper instance went down in prod because it ran out of disk space. It
turned out that the purge task was not able to keep up with the rate of
snapshot taken. A new snapshot was taken after 1 min.
Too snapshots were generate during autoPurge.purgeInterval. Since the unit is
hour, so the min internal is 1 hour.
To support writes heavy use case, we would need to support more fine tuned
purge interval. For example, in minutes.
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