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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/08/10 19:35:00 UTC

[jira] [Updated] (FLINK-23712) Improve Protobuf serialization performance

     [ https://issues.apache.org/jira/browse/FLINK-23712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-23712:
-----------------------------------
    Labels: pull-request-available  (was: )

> Improve Protobuf serialization performance
> ------------------------------------------
>
>                 Key: FLINK-23712
>                 URL: https://issues.apache.org/jira/browse/FLINK-23712
>             Project: Flink
>          Issue Type: Improvement
>          Components: Stateful Functions
>            Reporter: Igal Shilman
>            Assignee: Igal Shilman
>            Priority: Major
>              Labels: pull-request-available
>
> Profiling allocations shows that a quarter of the allocations happens while parsing Protobuf, this happens because the CodedInputStream/CodedOutputStream allocate a 4kb buffer on construction. This can be easily avoided by caching them. 



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