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https://issues.apache.org/jira/browse/HUDI-4036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Kudinkin updated HUDI-4036:
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Component/s: writer-core
> Investigate whether meta fields could be omitted completely
> -----------------------------------------------------------
>
> Key: HUDI-4036
> URL: https://issues.apache.org/jira/browse/HUDI-4036
> Project: Apache Hudi
> Issue Type: Bug
> Components: writer-core
> Reporter: Alexey Kudinkin
> Assignee: Alexey Kudinkin
> Priority: Critical
> Fix For: 0.12.0
>
>
> Currently, even when meta fields are not populated, we still insert
> empty-string columns to adhere to the expected schema.
> This has a non-trivial overhead of ~20% (relative to just writing dataset as
> is), since Spark had to essentially "re-write" the original row with
> prepended new fields.
> We should investigate whether it's feasible to avoid adding empty-string
> columns completely if meta-fields are disabled.
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