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https://issues.apache.org/jira/browse/HBASE-16691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15525698#comment-15525698
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Ted Yu commented on HBASE-16691:
--------------------------------
The following test failure from
https://builds.apache.org/job/PreCommit-HBASE-Build/3729/artifact/patchprocess/patch-unit-hbase-server.txt
might be related to the patch:
{code}
testKeyOnlyFilter(org.apache.hadoop.hbase.filter.TestFilter) Time elapsed:
0.025 sec <<< ERROR!
java.lang.ArrayStoreException: null
at java.util.ArrayList.toArray(ArrayList.java:408)
at
org.apache.hadoop.hbase.filter.TestFilter.verifyScan(TestFilter.java:1663)
at
org.apache.hadoop.hbase.filter.TestFilter.testKeyOnlyFilter(TestFilter.java:2012)
{code}
Please investigate.
> Optimize KeyOnlyFilter by utilizing KeyOnlyCell
> -----------------------------------------------
>
> Key: HBASE-16691
> URL: https://issues.apache.org/jira/browse/HBASE-16691
> Project: HBase
> Issue Type: Improvement
> Reporter: binlijin
> Assignee: binlijin
> Priority: Minor
> Fix For: 2.0.0
>
> Attachments: HBASE-16691-master.patch
>
>
> In KeyOnlyFilter#transformCell will return a KeyOnlyCell that have no value
> or has valueLength as value, current will copy all row keys into a new byte[]
> and new a KeyValue, we can eliminate the copy and have a wrap KeyOnlyCell
> that ignore the cell's value.
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