many filelist calls to large directory killing the namenode
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Key: HADOOP-4693
URL: https://issues.apache.org/jira/browse/HADOOP-4693
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.18.2, 0.17.2
Reporter: Koji Noguchi
We recently had couple of clusters go down due to users' tasks calling dfs -ls
frequently on a large directory.
Namenode started taking time in GC and became unresponsive.
I'll update once I get more info.
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