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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2016/04/28 16:31:12 UTC
[jira] [Created] (YARN-5008) LeveldbRMStateStore database can grow
substantially leading to long recovery times
Jason Lowe created YARN-5008:
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Summary: LeveldbRMStateStore database can grow substantially leading to long recovery times
Key: YARN-5008
URL: https://issues.apache.org/jira/browse/YARN-5008
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.7.0
Reporter: Jason Lowe
Assignee: Jason Lowe
On large clusters with high application churn the background compaction in leveldb may not be able to keep up with the write rate. This can lead to large leveldb databases that take many minutes to recover despite not having very much real data in the database to load. Most the time is spent traversing tables full of keys that have been deleted.
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