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https://issues.apache.org/jira/browse/HDFS-5746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13886223#comment-13886223
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Colin Patrick McCabe commented on HDFS-5746:
--------------------------------------------
bq. -1 javac. The applied patch generated 1546 javac compiler warnings (more
than the trunk's current 1541 warnings).
These all come from use of sun.misc.Unsafe
bq. -1 javadoc. The javadoc tool appears to have generated 2 warning messages.
These also come from sun.misc.Unsafe. I will increase OK_JAVADOC_WARNINGS in
test-patch.sh like we did in the past.
bq. TestPersistBlocks
Test failure isn't related
bq. TestDomainSocketWatcher timeout
I reduced the test timeout here to get a stack trace if this happens again
> add ShortCircuitSharedMemorySegment
> -----------------------------------
>
> Key: HDFS-5746
> URL: https://issues.apache.org/jira/browse/HDFS-5746
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, hdfs-client
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Fix For: 3.0.0
>
> Attachments: HDFS-5746.001.patch, HDFS-5746.002.patch,
> HDFS-5746.003.patch, HDFS-5746.004.patch, HDFS-5746.005.patch,
> HDFS-5746.006.patch
>
>
> Add ShortCircuitSharedMemorySegment, which will be used to communicate
> information between the datanode and the client about whether a replica is
> mlocked.
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