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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7413) Convert WAL to pb
Date Fri, 26 Apr 2013 02:56:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13642535#comment-13642535
] 

Ted Yu commented on HBASE-7413:
-------------------------------

Using the following parameters:
-threads 3 -families 2 -keySize 320

I don't see much difference.
Without patch:
{code}
2013-04-26 10:51:20,711 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=3,
iterations=10000 took 0.713s 42075.738ops/s
2013-04-26 10:51:54,847 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=3,
iterations=10000 took 0.729s 41152.266ops/s
{code}
With patch:
{code}
2013-04-26 10:47:14,104 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=3,
iterations=10000 took 0.914s 32822.758ops/s

2013-04-26 10:48:21,347 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=3,
iterations=10000 took 0.707s 42432.813ops/s

2013-04-26 10:49:08,572 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=3,
iterations=10000 took 0.713s 42075.738ops/s
{code}
                
> Convert WAL to pb
> -----------------
>
>                 Key: HBASE-7413
>                 URL: https://issues.apache.org/jira/browse/HBASE-7413
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>            Reporter: stack
>            Assignee: Sergey Shelukhin
>            Priority: Critical
>             Fix For: 0.95.1
>
>         Attachments: HBASE-7413-v0.patch, HBASE-7413-v1.patch, HBASE-7413-v2.patch, HBASE-7413-v3.patch,
HBASE-7413-v4.patch
>
>
> From HBASE-7201

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