Lei (Eddy) Xu created HDFS-8617:
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Summary: Throttle DiskChecker#checkDirs() speed.
Key: HDFS-8617
URL: https://issues.apache.org/jira/browse/HDFS-8617
Project: Hadoop HDFS
Issue Type: Improvement
Components: HDFS
Affects Versions: 2.7.0
Reporter: Lei (Eddy) Xu
Assignee: Lei (Eddy) Xu
As described in HDFS-8564, {{DiskChecker.checkDirs(finalizedDir)}} is causing
excessive I/Os because {{finalizedDirs}} might have up to 64K sub-directories
(HDFS-6482).
This patch proposes to limit the rate of IO operations in
{{DiskChecker.checkDirs()}}.
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