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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4270) IOE ignored during flush-on-close causes dataloss
Date Sat, 10 Sep 2011 17:45:10 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102091#comment-13102091
] 

stack commented on HBASE-4270:
------------------------------

@Lars Doesn't look like it.  This patch is about how we keep going if an IOE on close of a
region rather than abort the RS to get the WAL replayed.  4078 is about validating created
storefiles post compaction.

> IOE ignored during flush-on-close causes dataloss
> -------------------------------------------------
>
>                 Key: HBASE-4270
>                 URL: https://issues.apache.org/jira/browse/HBASE-4270
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.90.4, 0.92.0
>            Reporter: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.92.0
>
>         Attachments: 0001-HBASE-4270.-Abort-and-rethrow-errors-on-close-failur.patch
>
>
> If the RS experiences an exception during the flush of a region while closing it, it
currently catches the exception, logs a warning, and keeps going. If the exception was a DroppedSnapshotException,
this means that it will silently drop any data that was in memstore when the region was closed.
> Instead, the RS should do a hard abort so that its logs will be replayed.

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