Zhou Tong created HDFS-17738:
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Summary: When hedged read is enabled, input metric may be
incorrect.
Key: HDFS-17738
URL: https://issues.apache.org/jira/browse/HDFS-17738
Project: Hadoop HDFS
Issue Type: Bug
Components: dfsclient
Affects Versions: 3.4.1
Reporter: Zhou Tong
In my practice, when hedged read is enabled, spark task may lose input metric.
And, when it is disabled, metric is ok. I tried to found the reason, and found
`org.apache.hadoop.fs.FileSystem.Statistics#threadData` is exclusive to a
hedged thread. I want to know weather community intends to fix this issue.
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