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https://issues.apache.org/jira/browse/HDFS-16638?focusedWorklogId=784980&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-784980
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ASF GitHub Bot logged work on HDFS-16638:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Jun/22 08:26
Start Date: 27/Jun/22 08:26
Worklog Time Spent: 10m
Work Description: cxzl25 commented on PR #4480:
URL: https://github.com/apache/hadoop/pull/4480#issuecomment-1167042941
Thank you for your help with the stress test. @ZanderXu
It is helpful to improve performance for string concat where the `toString`
cost of some objects is relatively high.
Issue Time Tracking
-------------------
Worklog Id: (was: 784980)
Time Spent: 1h 50m (was: 1h 40m)
> Add isDebugEnabled check for debug blockLogs in BlockManager
> ------------------------------------------------------------
>
> Key: HDFS-16638
> URL: https://issues.apache.org/jira/browse/HDFS-16638
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: dzcxzl
> Priority: Trivial
> Labels: pull-request-available
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> There are lots of concatenating Strings using blockLog.debug in BlockManager.
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