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Posted to issues@ozone.apache.org by "Mark Gui (Jira)" <ji...@apache.org> on 2022/04/01 13:46:00 UTC

[jira] [Created] (HDDS-6540) Add a Cache for per-disk DB handles.

Mark Gui created HDDS-6540:
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             Summary: 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


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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