Richard Zhang created HIVE-23195:
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Summary: set hive.cluster.delegation.token.gc-interval to 15
minutes instead of an hour
Key: HIVE-23195
URL: https://issues.apache.org/jira/browse/HIVE-23195
Project: Hive
Issue Type: Bug
Reporter: Richard Zhang
Assignee: Richard Zhang
the config "hive.cluster.delegation.token.gc-interval" is set as long duration,
1 hour. This created some issues in a heavy loaded cluster in which the tokens
may not be cleaned up fast enough and the cleaner thread may fail to clean the
tokens. This may cause issues like eating too much space or LLAP startup
failures, or slow system startup.
If this hive.cluster.delegation.token.gc-interval” is reduced from 1 hour to a
relatively shorter period such as 15 mins, then the zookeeper tokens will be
cleaned more timely and mitigate these issues.
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