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https://issues.apache.org/jira/browse/HDDS-6540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sammi Chen resolved HDDS-6540.
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Resolution: Fixed
> Add a Cache for per-disk DB handles.
> ------------------------------------
>
> Key: HDDS-6540
> URL: https://issues.apache.org/jira/browse/HDDS-6540
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Mark Gui
> Assignee: Mark Gui
> Priority: Major
> Labels: pull-request-available
>
> A new Cache for per-disk db handles after rocksdb-merge.
> Originally we have the ContainerCache for per-container db handles.
> And we should have a new DatanodeStoreCache for per-disk db handles which
> should be relatively small.
>
> We could choose whether to use the DatanodeStoreCache or the ContainerCache
> according to the schema version in BlockUtils.getDB().
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