Lei (Eddy) Xu created HDFS-8051:
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Summary: FsVolumeList#addVolume should release volume reference if
not put it into BlockScanner.
Key: HDFS-8051
URL: https://issues.apache.org/jira/browse/HDFS-8051
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 2.6.0
Reporter: Lei (Eddy) Xu
Assignee: Lei (Eddy) Xu
{{FsVolumeList#addVolume()}} passes {{FsVolumeReference}} to blockScanner:
{code}
if (blockScanner != null) {
blockScanner.addVolumeScanner(ref);
}
{code}
However, if {{blockScanner == null}}, the {{FsVolumeReference}} will not be
released.
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