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https://issues.apache.org/jira/browse/HDFS-15416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoqiao He updated HDFS-15416:
-------------------------------
Hadoop Flags: Reviewed
Resolution: Fixed
Status: Resolved (was: Patch Available)
commit to branch trunk.
Thanks [~jianghuazhu] for your contribution!
Thanks [~elgoiri][~hemanthboyina] for your reviews!
> Improve DataStorage#addStorageLocations() for empty locations
> -------------------------------------------------------------
>
> Key: HDFS-15416
> URL: https://issues.apache.org/jira/browse/HDFS-15416
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: jianghua zhu
> Assignee: jianghua zhu
> Priority: Major
> Fix For: 3.4.0
>
> Attachments: HDFS-15416.000.patch, HDFS-15416.001.patch
>
>
> SuccessLocations content is an array, when the number is 0, do not need to be
> executed again loadBlockPoolSliceStorage ().
> {code:java}
> try
> {
> final List<StorageLocation> successLocations = loadDataStorage(datanode,
> nsInfo, dataDirs, startOpt, executor);
> return loadBlockPoolSliceStorage(datanode, nsInfo, successLocations,
> startOpt, executor);
> } finally{
> executor.shutdown();
> }
> {code}
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