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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10010) eliminate the put latency spike on the new log file beginning
Date Wed, 20 Nov 2013 19:16:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828003#comment-13828003
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Ted Yu commented on HBASE-10010:
--------------------------------

Liang:
Can you post patch for trunk so that QA picks it up ?
{code}
+        HLogKey key = makeKey(DUMMY /* regionName */, DUMMY /* tableName */,
+            0, System.currentTimeMillis(), HConstants.DEFAULT_CLUSTER_ID);
{code}
Please use EnvironmentEdge#currentTimeMillis() above.

> eliminate the put latency spike on the new log file beginning
> -------------------------------------------------------------
>
>                 Key: HBASE-10010
>                 URL: https://issues.apache.org/jira/browse/HBASE-10010
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>    Affects Versions: 0.94.13
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>         Attachments: HBase-10010-0.94.txt
>
>
> In deed, the original finding came from fb, see HBASE-6813 for detailed discussion.
> Through this improvement doesn't expect obvious gain on 95th or 99th latency, it still
could make the response time more stable to me.



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