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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 01:37:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13642488#comment-13642488
] 

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

With patch v4, here were results from two iterations using HLogPerformanceEvaluation:
{code}
2013-04-26 09:29:42,669 INFO  [Thread-4] wal.HLogPerformanceEvaluation(269): Thread-4 took
0.628s 15923.566ops/s
2013-04-26 09:29:42,669 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=1,
iterations=10000 took 0.629s 15898.251ops/s

2013-04-26 09:31:31,586 INFO  [Thread-4] wal.HLogPerformanceEvaluation(269): Thread-4 took
0.620s 16129.032ops/s
2013-04-26 09:31:31,586 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=1,
iterations=10000 took 0.622s 16077.171ops/s
{code}
Without patch:
{code}
2013-04-26 09:25:18,799 INFO  [Thread-4] wal.HLogPerformanceEvaluation(269): Thread-4 took
0.587s 17035.775ops/s
2013-04-26 09:25:18,801 INFO  [main] wal.HLogPerformanceEvaluation(269): Summary: threads=1,
iterations=10000 took 0.590s 16949.152ops/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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