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Posted to oak-issues@jackrabbit.apache.org by "Francesco Mari (JIRA)" <ji...@apache.org> on 2017/01/17 10:48:26 UTC

[jira] [Created] (OAK-5465) StandbyClientSyncExecution uses an unbound segment cache

Francesco Mari created OAK-5465:
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             Summary: StandbyClientSyncExecution uses an unbound segment cache
                 Key: OAK-5465
                 URL: https://issues.apache.org/jira/browse/OAK-5465
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: segment-tar
            Reporter: Francesco Mari
            Assignee: Francesco Mari
            Priority: Blocker
             Fix For: 1.5.18, 1.6


{{StandbyClientSyncExecution}} uses a cache to avoid loading a {{Segment}} from the primary instance if it was already loaded before. This cache is simply an unbounded {{HashMap}}. In case a lot of segments are written on the primary instance (e.g. during compaction), this cache puts too much load on the standby instance - possibly resulting in out-of-memory errors.



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