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https://issues.apache.org/jira/browse/HDFS-5746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-5746:
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Attachment: HDFS-5746.005.patch
* rename 'anchor' and 'unanchor' to 'addAnchor' and 'removeAnchor'
* add a stress test for DomainSocketWatcher, which also includes some remove
operations.
* make some messages TRACE that were formerly INFO. we don't want info logs
when handling every event
* fix a bug in the native code where we were reallocating the fd_set_data
structure, but writing the new length to the old structure
* put addNotificationSocket in a new function to avoid cluttering the main
loop. Remember to increment the reference count on the notificationSocket so
that we don't get logs about mismatched reference counts when shutting down the
watcher
> 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
>
>
> 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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