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Posted to issues@flink.apache.org by "luoyuxia (Jira)" <ji...@apache.org> on 2022/04/30 01:26:00 UTC

[jira] (FLINK-15526) Add RollingPolicy to PartitionWriters

    [ https://issues.apache.org/jira/browse/FLINK-15526 ]


    luoyuxia deleted comment on FLINK-15526:
    ----------------------------------

was (Author: luoyuxia):
[~lzljs3620320] I see DefaultRollingPolicy.shouldRollOnEvent can already avoid writing a big file by file size. Does the Jira aim to add a policy that can avoid writing a big file by record numebr?

> Add RollingPolicy to PartitionWriters
> -------------------------------------
>
>                 Key: FLINK-15526
>                 URL: https://issues.apache.org/jira/browse/FLINK-15526
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Ecosystem
>            Reporter: Jingsong Lee
>            Priority: Major
>
> Now our partition writers will write a whole file in a checkpoint if there is no partition change.
> Sometimes this file is too big, it is better to add a RollingPolicy for controlling file size.
> We can just add policy controlled by file size and record number.



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