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https://issues.apache.org/jira/browse/HBASE-4270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13092968#comment-13092968
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Jean-Daniel Cryans commented on HBASE-4270:
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Like you say the logs are replayed, so how is that causing data loss?
> 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
>
>
> 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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