Phil Yang created HDFS-9555:
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             Summary: LazyPersistFileScrubber should still sleep if there are 
errors in the clear progress
                 Key: HDFS-9555
                 URL: https://issues.apache.org/jira/browse/HDFS-9555
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.6.0
            Reporter: Phil Yang
            Assignee: Phil Yang


If LazyPersistFileScrubber.clearCorruptLazyPersistFiles throw an exception in 
run(), there will be no sleep logic so it will restart immediately. However it 
may be still fail so there are too many ERROR logs in namenode said "Ignoring 
exception in LazyPersistFileScrubber".

We need sleep if we catch the exception.



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