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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5954) Allow proper fsync support for HBase
Date Tue, 16 Dec 2014 20:39:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14248882#comment-14248882
] 

Lars Hofhansl commented on HBASE-5954:
--------------------------------------

After thinking about this for a little bit, I think we need to do this by edit and column
family, the way my patch has it.
Please have a look at this patch, I think we should get this in. Along with this we need to
document that you *have* to run HDFS with sync-on-close and sync-behind-writes. (In fact everybody
should do that in any case!)

> Allow proper fsync support for HBase
> ------------------------------------
>
>                 Key: HBASE-5954
>                 URL: https://issues.apache.org/jira/browse/HBASE-5954
>             Project: HBase
>          Issue Type: Improvement
>          Components: HFile, wal
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: 5954-WIP-trunk.txt, 5954-trunk-hdfs-trunk-v2.txt, 5954-trunk-hdfs-trunk-v3.txt,
5954-trunk-hdfs-trunk-v4.txt, 5954-trunk-hdfs-trunk-v5.txt, 5954-trunk-hdfs-trunk-v6.txt,
5954-trunk-hdfs-trunk.txt, hbase-hdfs-744.txt
>
>
> At least get recommendation into 0.96 doc and some numbers running w/ this hdfs feature
enabled.



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