Liu Shaohui created HDFS-8439:
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Summary: Adding more slow action log in critical read path
Key: HDFS-8439
URL: https://issues.apache.org/jira/browse/HDFS-8439
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Liu Shaohui
Assignee: Liu Shaohui
Priority: Minor
To dig a HBase read spike issue, we'd better to add more slow pread/seek log in
read flow to get the abnormal datanodes.
Patch will be uploaded soon.
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