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https://issues.apache.org/jira/browse/HDFS-16090?focusedWorklogId=615312&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-615312
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ASF GitHub Bot logged work on HDFS-16090:
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Author: ASF GitHub Bot
Created on: 26/Jun/21 17:07
Start Date: 26/Jun/21 17:07
Worklog Time Spent: 10m
Work Description: virajjasani opened a new pull request #3148:
URL: https://github.com/apache/hadoop/pull/3148
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Issue Time Tracking
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Worklog Id: (was: 615312)
Remaining Estimate: 0h
Time Spent: 10m
> Fine grained locking for datanodeNetworkCounts
> ----------------------------------------------
>
> Key: HDFS-16090
> URL: https://issues.apache.org/jira/browse/HDFS-16090
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> While incrementing DataNode network error count, we lock entire LoadingCache
> in order to increment network count of specific host. We should provide fine
> grained concurrency for this update because locking entire cache is redundant
> and could impact performance while incrementing network count for multiple
> hosts.
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