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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5699) Run with > 1 WAL in HRegionServer
Date Thu, 11 Dec 2014 02:06:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14242007#comment-14242007
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Jonathan Hsieh commented on HBASE-5699:
---------------------------------------

Nice results!

A few questions thoughts. 

How do iops/s translate to mb/s?  Are the reasonably close to max disk speed/3?

Can you combine a few graphs so that you can see the main jump from 1 pipeline to 2 pipelines?
 the graphs currently don't quite line up.  Instead of having time in x axis, use the # threads
in x and show avg/std iop/s of each of the thread settings and # of pipeline settings?



> Run with > 1 WAL in HRegionServer
> ---------------------------------
>
>                 Key: HBASE-5699
>                 URL: https://issues.apache.org/jira/browse/HBASE-5699
>             Project: HBase
>          Issue Type: Improvement
>          Components: Performance, wal
>            Reporter: binlijin
>            Assignee: Sean Busbey
>            Priority: Critical
>         Attachments: HBASE-5699.3.patch.txt, HBASE-5699_write_iops_multiwal-1_1_to_200_threads.tiff,
HBASE-5699_write_iops_multiwal-2_10,50,120,190,260,330,400_threads.tiff, HBASE-5699_write_iops_multiwal-4_10,50,120,190,260,330,400_threads.tiff,
HBASE-5699_write_iops_multiwal-6_10,50,120,190,260,330,400_threads.tiff, HBASE-5699_write_iops_upstream_1_to_200_threads.tiff,
PerfHbase.txt, hbase-5699_multiwal_400-threads_stats_sync_heavy.txt, hbase-5699_total_throughput_sync_heavy.txt,
results-hbase5699-upstream.txt.bz2, results-hbase5699-wals-1.txt.bz2, results-updated-hbase5699-wals-2.txt.bz2,
results-updated-hbase5699-wals-4.txt.bz2, results-updated-hbase5699-wals-6.txt.bz2
>
>




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