Colin Patrick McCabe created HDFS-9674:
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Summary: The HTrace span for OpWriteBlock should record the
maxWriteToDisk time
Key: HDFS-9674
URL: https://issues.apache.org/jira/browse/HDFS-9674
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode, tracing
Affects Versions: 2.4.0
Reporter: Colin Patrick McCabe
Assignee: Colin Patrick McCabe
The HTrace span for OpWriteBlock should record the maxWriteToDisk time. That
way, if the trace span is long, we can figure out whether it is because of a
hard disk or I/O issue, or something else.
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