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https://issues.apache.org/jira/browse/HADOOP-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury updated HADOOP-2592:
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Fix Version/s: 0.16.0
Priority: Critical (was: Minor)
This is a pretty critical issue, because it can result in getting an
inconsistent answer from a scan.
> [hbase] Scanning, a region can let out a row that its not supposed to have
> --------------------------------------------------------------------------
>
> Key: HADOOP-2592
> URL: https://issues.apache.org/jira/browse/HADOOP-2592
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/hbase
> Reporter: stack
> Priority: Critical
> Fix For: 0.16.0
>
> Attachments: test3.patch, tti.patch
>
>
> Bryan's lazy cache patch was provoking a strange issue in TestTableIndex when
> flush size was small -- 64k instead of 1MB -- where a scan was returning
> random rows twice, w/ the second incidence coming out of a region whose range
> shouldn't even contain the row.
> After study, HalfMapFiles serving the top half of a parent region down in the
> daughter, can have rows in excess of the region endkey; scanning, the call to
> next will just return these rows w/ consideration of whether beyond region
> endkey.
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