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https://issues.apache.org/jira/browse/HADOOP-6732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daryn Sharp reassigned HADOOP-6732:
-----------------------------------
Assignee: Daryn Sharp
> Improve FsShell's heap consumption by switching to listStatus that returns an
> iterator
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-6732
> URL: https://issues.apache.org/jira/browse/HADOOP-6732
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Hairong Kuang
> Assignee: Daryn Sharp
>
> When listing a large directory from the command line using the default heap
> configuration, FsShell often runs out of memory. This is because all stats of
> the entries under the directory need to be in memory before printing them.
> The new API listStatus that returns an iterator of FileStatus, which
> implemented in HDFS-1091, no longer requires that all entries are fetched
> first. Thus switching to this new API will greatly improve the use of heap
> space.
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