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https://issues.apache.org/jira/browse/HUDI-4753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Raymond Xu updated HUDI-4753:
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Component/s: metadata
> More accurate evaluation of log record during log writing or compaction
> -----------------------------------------------------------------------
>
> Key: HUDI-4753
> URL: https://issues.apache.org/jira/browse/HUDI-4753
> Project: Apache Hudi
> Issue Type: Improvement
> Components: metadata
> Reporter: Yuwei Xiao
> Priority: Major
>
> In current log writing, the avgRecordSize is taken from the first incoming
> log record, which may not be accurate, especially in the metadata table case.
>
> In metadata table writing, the first log record is always
> `_{_}all_partition{_}_`, whose size may be much larger than a normal
> partition record.
>
> This issue will cause performance issue in log writing and compaction, as we
> write too many log blocks and spill unnecessary records to disk.
>
>
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