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https://issues.apache.org/jira/browse/HDDS-7320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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mingchao zhao resolved HDDS-7320.
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Resolution: Fixed
PR merged close this. Thanks [~Sammi]~
> Enable Container SchemaV3 by default
> ------------------------------------
>
> Key: HDDS-7320
> URL: https://issues.apache.org/jira/browse/HDDS-7320
> Project: Apache Ozone
> Issue Type: Sub-task
> Affects Versions: 1.3.0
> Reporter: Sammi Chen
> Assignee: Sammi Chen
> Priority: Major
> Labels: pull-request-available
>
> Stability:
> SchemaV3 has used int the production cluster of Tencent and Qihu for more
> than half year. So far, the only issue reported by Qihu is the too many small
> sst files due to migrating all existing SchemaV2 containers to SchemaV3(This
> migrating tool is developed by Qihu itself).
>
> Performance:
> A stress performance is conducted against V3 and V2. V3 has the same write
> performance as V2 with big file/object, and has around 10% write performance
> gain than V2 with small file/object(<16MB). For read, V3 has the same
> performance as V2.
>
> In a summary, I think it's the right time to enable V3 by default.
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