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https://issues.apache.org/jira/browse/HDDS-4363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mukul Kumar Singh resolved HDDS-4363.
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Fix Version/s: 1.1.0
Resolution: Fixed
> Add metric to track the number of RocksDB open/close operations
> ---------------------------------------------------------------
>
> Key: HDDS-4363
> URL: https://issues.apache.org/jira/browse/HDDS-4363
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Ozone Datanode
> Affects Versions: 1.0.0
> Reporter: Wei-Chiu Chuang
> Assignee: Mukul Kumar Singh
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.1.0
>
>
> We are benchmarking Ozone performance, and realized RocksDB open/close
> operations have huge impact to performance. Each db open takes about 70ms on
> average and close takes about 1ms on average.
>
> Having metrics on these operations will help understand DataNode performance
> problems.
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