Siyao Meng created HDFS-14141:
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Summary: Enable GC monitoring thread for OIV tool
Key: HDFS-14141
URL: https://issues.apache.org/jira/browse/HDFS-14141
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Affects Versions: 3.0.0
Reporter: Siyao Meng
It took OIV quite a long time (84 minutes) to dump a 14G FSImage. I suspect
there was a lot of GC going on. I think we could add an option like
'-m,--gc-monitor' to enable GC monitoring thread for OIV tool.
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