Wei-Chiu Chuang created HDFS-14485:
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Summary: Optionally disable LazyPersistFileScrubber thread
Key: HDFS-14485
URL: https://issues.apache.org/jira/browse/HDFS-14485
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Reporter: Wei-Chiu Chuang
NameNode automatically starts a LazyPersistFileScrubber thread to remove
missing block files from namespace.
However, for testing/dev purposes, if I simply want to load a NameNode with a
fsimage, the thread would still kick off and consume CPU resources. That's
quite annoying.
I would like to propose an option to disable this thread if a developer knows
exact what he/she is doing.
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