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https://issues.apache.org/jira/browse/HADOOP-13214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Illes S updated HADOOP-13214:
-----------------------------
Status: Patch Available (was: Open)
The new (.2) patch adds unit tests for the issue being fixed. Tested with
{{hadoop-common$ mvn -Dtest=TestSequenceFile test}} The test passes, as the
patch also includes the fix in {{SequenceFile.java}}, but fails without it.
> sync(0); next(); yields wrong key-values on block-compressed files
> ------------------------------------------------------------------
>
> Key: HADOOP-13214
> URL: https://issues.apache.org/jira/browse/HADOOP-13214
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Reporter: Illes S
> Labels: easyfix, newbie
> Attachments: HADOOP-13214.2.patch, HADOOP-13214.patch
>
>
> Calling {{sync(0); next(...);}} on a block-compressed {{SequenceFile.Reader}}
> that has already been used may not yield the key-values at the beginning, but
> those following the previous position. The issue is caused by {{sync(0)}} not
> releasing previously buffered keys and values. The issue was introduced by
> HADOOP-6196.
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