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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5699) Run with > 1 WAL in HRegionServer
Date Thu, 18 Dec 2014 23:40:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14252554#comment-14252554
] 

stack commented on HBASE-5699:
------------------------------

What you thinking here [~busbey] ?  So, we'd commit this but default is 'identity' as I read
it? i.e. a log per region.  Is that so?  Would be cool if multiwal were on by default or does
it need to show better numbers to be on by default?

> 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-5699.4.patch.txt, HBASE-5699_#workers_vs_MiB_per_s_1x1col_512Bval_wal_count_1,2,4.tiff,
HBASE-5699_disabled_and_regular_#workers_vs_MiB_per_s_1x1col_512Bval_wal_count_1,2,4.tiff,
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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