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https://issues.apache.org/jira/browse/HDDS-14237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Swaminathan Balachandran resolved HDDS-14237.
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Fix Version/s: 2.2.0
Resolution: Fixed
> Simplify ManagedDirectSlice to use ByteBuffers
> ----------------------------------------------
>
> Key: HDDS-14237
> URL: https://issues.apache.org/jira/browse/HDDS-14237
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Swaminathan Balachandran
> Assignee: Swaminathan Balachandran
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.2.0
>
>
> As per rocksdb DirectSlices are supposed to expose the direct buffers to
> interact with rocksdb. The only problem with directSlices when working with
> external byte buffers it doesn't understand offset and limit of the
> ByteBuffer. Hence to make it safe to work just creating a constructor for
> ManagedDirectSlice fixing the offset and length of the underlying directSlice
> instance should be good. The current implementation doesn't make it safe to
> reuse the direct slice multiple times since rocksdb doesn't allow rollbacks
> of offset in case we want to use a different offset and limit with the same
> byte buffer.
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