farmmamba created HDFS-17345:
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Summary: Add a metrics to record block report generating cost time
Key: HDFS-17345
URL: https://issues.apache.org/jira/browse/HDFS-17345
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Affects Versions: 3.5.0
Reporter: farmmamba
Assignee: farmmamba
Currently, we have block report send time metrics recorded by blockReports.
We should better add another metric to record block report creating cost time:
{code:java}
long brCreateCost = brSendStartTime - brCreateStartTime; {code}
It is useful for us to measure the perfomance of creating block reports.
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