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Posted to commits@hudi.apache.org by "Zhaojing Yu (Jira)" <ji...@apache.org> on 2022/10/01 12:06:00 UTC

[jira] [Updated] (HUDI-4911) Make sure LogRecordReader doesn't flush the cache before each lookup

     [ https://issues.apache.org/jira/browse/HUDI-4911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhaojing Yu updated HUDI-4911:
------------------------------
    Fix Version/s: 0.13.0
                       (was: 0.12.1)

> Make sure LogRecordReader doesn't flush the cache before each lookup
> --------------------------------------------------------------------
>
>                 Key: HUDI-4911
>                 URL: https://issues.apache.org/jira/browse/HUDI-4911
>             Project: Apache Hudi
>          Issue Type: Bug
>          Components: reader-core
>    Affects Versions: 0.12.0
>            Reporter: Alexey Kudinkin
>            Assignee: Alexey Kudinkin
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 0.13.0
>
>
> Currently {{HoodieMetadataMergedLogRecordReader }}will flush internal record cache before each lookup which makes every lookup essentially do re-processing of the whole log-blocks stack again.
> We should avoid that and only do the re-parsing incrementally (for the keys that ain't already cached)



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