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Posted to issues@ozone.apache.org by "Andrey Yarovoy (Jira)" <ji...@apache.org> on 2026/06/17 15:14:00 UTC

[jira] [Assigned] (HDDS-15592) Allocate direct memory in ChunkBuffer code slows down GRPC serialization

     [ https://issues.apache.org/jira/browse/HDDS-15592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrey Yarovoy reassigned HDDS-15592:
-------------------------------------

    Assignee: Andrey Yarovoy

> Allocate direct memory in ChunkBuffer code slows down GRPC serialization
> ------------------------------------------------------------------------
>
>                 Key: HDDS-15592
>                 URL: https://issues.apache.org/jira/browse/HDDS-15592
>             Project: Apache Ozone
>          Issue Type: Bug
>            Reporter: Andrey Yarovoy
>            Assignee: Andrey Yarovoy
>            Priority: Major
>
> Allocate direct in ChunkBuffer triggers slow byte-by-byte NioByteString path for direct buffers, in case if it is replaced by heap allocation UnsafeByteOperations.unsafeWrap() would return a BoundedByteString with a backing array, enabling a single System.arraycopy into the gRPC/Netty wire buffer



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