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https://issues.apache.org/jira/browse/HUDI-2087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17378492#comment-17378492
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ASF GitHub Bot commented on HUDI-2087:
--------------------------------------
fengjian428 commented on pull request #3252:
URL: https://github.com/apache/hudi/pull/3252#issuecomment-877659442
> > > > what is the different between insert and append only？
> > >
> > >
> > > The append-only mode's behavior is to write data to the new base file
without index. You can view the changed files.
> >
> >
> > is insert mode need scan index?
>
> In Flink stream, insert mode don't need scan index, but it is possible to
assign it to exists fileId and merge it.
> The append-only mode avoid this happened when record don't update.
yes thank you , this mode like kind of write into new file directly
operation
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> Support Append only in Flink stream
> -----------------------------------
>
> Key: HUDI-2087
> URL: https://issues.apache.org/jira/browse/HUDI-2087
> Project: Apache Hudi
> Issue Type: Improvement
> Components: Flink Integration
> Reporter: yuzhaojing
> Assignee: yuzhaojing
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.9.0
>
> Attachments: image-2021-07-08-22-04-30-039.png,
> image-2021-07-08-22-04-40-018.png
>
>
> It is necessary to support append mode in flink stream, as the data lake
> should be able to write log type data as parquet high performance without
> merge.
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