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https://issues.apache.org/jira/browse/HBASE-9775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-9775:
-------------------------
Attachment: 9775.rig.v3.patch
v3 dumps mockito. Mockito keeps references to each invocation so can keep
running counts. I could not figure how to disable this facility. Patch is
better w/o it anyways.
v3 no longer has heap issues, at least at current 'scales'.
The patch as is is configured to do the inverse of the previous patch. Now I
have a single 'server' and I have ten clients beating up on it. It doesn't
take long for the clients to 'overrun' the server. The server cannot respond
in time so we just keep throwing RegionBusyException more and more frequently
-- which simulates I think what E was seeing on the 'big' cluster.
Will dig in tomorrow on what we can do when RBE -- how to better back off
(Elliott had ideas in here).
> Client write path perf issues
> -----------------------------
>
> Key: HBASE-9775
> URL: https://issues.apache.org/jira/browse/HBASE-9775
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 0.96.0
> Reporter: Elliott Clark
> Priority: Critical
> Attachments: 9775.rig.txt, 9775.rig.v2.patch, 9775.rig.v3.patch,
> Charts Search Cloudera Manager - ITBLL.png, Charts Search Cloudera
> Manager.png, hbase-9775.patch, job_run.log, short_ycsb.png, ycsb.png,
> ycsb_insert_94_vs_96.png
>
>
> Testing on larger clusters has not had the desired throughput increases.
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