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https://issues.apache.org/jira/browse/HDDS-12582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sumit Agrawal resolved HDDS-12582.
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Fix Version/s: 2.1.0
Resolution: Fixed
> TypedTable support custom ValueCodec
> ------------------------------------
>
> Key: HDDS-12582
> URL: https://issues.apache.org/jira/browse/HDDS-12582
> Project: Apache Ozone
> Issue Type: Improvement
> Components: Ozone Manager
> Reporter: Sumit Agrawal
> Assignee: Sumit Agrawal
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1.0
>
> Attachments: image-2025-03-13-13-03-28-403.png
>
>
> deserialization of rocksdb value via Codec involves below steps:
> # convert byte[] -> protobuf object
> # protobuf -> OM object
> eg: for keyInfo
> byte[] -> KeyInfo -> OmKeyInfo
>
> *The customized ValueCodec can be used for performance improvement like
> OMKeyInfo,*
> * avoid conversion of AclList (as most of usecase for read do not used this)
> * avoid conversion of location, acl and other cases (can be used for most of
> cases where these are not used like MPU where location size can be large)
> So using this, performance can be optimized performance in various read
> usages.
>
>
> Below flamegraph shows for aclList (which is not used normally):
> byte[] -> protobuf : 2.6% (let x time) and protobuf to OMKeyInfo 5.04% (takes
> 2x)
>
> !image-2025-03-13-13-03-28-403.png|width=573,height=276!
>
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