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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-910) Scanner misses columns / rows when the scanner is obtained durring a memcache flush
Date Mon, 20 Oct 2008 00:23:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12640890#action_12640890
] 

stack commented on HBASE-910:
-----------------------------

Agreed Jim.... blocker for 0.19.0.

Clint, you down with that?

> Scanner misses columns / rows when the scanner is obtained durring a memcache flush
> -----------------------------------------------------------------------------------
>
>                 Key: HBASE-910
>                 URL: https://issues.apache.org/jira/browse/HBASE-910
>             Project: Hadoop HBase
>          Issue Type: Bug
>          Components: regionserver
>         Environment: latest trunk
>            Reporter: Clint Morgan
>            Priority: Critical
>         Attachments: hbase-910.patch
>
>
> I first noticed that some columns for a row were missing if they are coming from a scanner
that was obtained while a memecache flush on the region was in progress. I tried to write
a simple unit test to reproduce, however the problem I get in the unit test is that some rows
are being missed.

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