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Posted to dev@hbase.apache.org by "Nick Dimiduk (JIRA)" <ji...@apache.org> on 2015/09/23 18:25:04 UTC

[jira] [Created] (HBASE-14470) Reduce memory pressure generated by client

Nick Dimiduk created HBASE-14470:
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             Summary: Reduce memory pressure generated by client
                 Key: HBASE-14470
                 URL: https://issues.apache.org/jira/browse/HBASE-14470
             Project: HBase
          Issue Type: Task
          Components: Client
            Reporter: Nick Dimiduk


I think there's room for improvement in our client's memory profile. I ran ltt with jfr running, attaching some snaps of what my client sees. Looks like some kind of object pool or block encoding for result objects will give us a lot of bang for the buck re: allocations and GC pressure. We probably also want to look for an alternative way to represent result objects, something besides the java Map interface with it's Entry bloat.



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