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From GitBox <...@apache.org>
Subject [GitHub] [hadoop] jojochuang commented on pull request #2849: HDFS-15621. Datanode DirectoryScanner uses excessive memory
Date Tue, 13 Apr 2021 03:45:06 GMT

jojochuang commented on pull request #2849:
URL: https://github.com/apache/hadoop/pull/2849#issuecomment-818409032


   The spotbugs warning looks like a false positive to me.
   `Redundant nullcheck of file, which is known to be non-null in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.compileReport(File,
File, Collection, DirectoryScanner$ReportCompiler) Redundant null check at FsVolumeImpl.java:is
known to be non-null in org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.compileReport(File,
File, Collection, DirectoryScanner$ReportCompiler) Redundant null check at FsVolumeImpl.java:[line
1477]`


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