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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/11/11 11:29:00 UTC
[jira] [Updated] (FLINK-14676) Introduce parallelism inference for
InputFormatTableSource
[ https://issues.apache.org/jira/browse/FLINK-14676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated FLINK-14676:
-----------------------------------
Labels: pull-request-available (was: )
> Introduce parallelism inference for InputFormatTableSource
> ----------------------------------------------------------
>
> Key: FLINK-14676
> URL: https://issues.apache.org/jira/browse/FLINK-14676
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / Planner
> Reporter: Jingsong Lee
> Assignee: Jingsong Lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
>
> FLINK-12801 has introduce parallelism setting for table, but because TableSource generate DataStream, maybe DataStream is not a real source, that will lead to some shuffle errors. So FLINK-13494 remove these implementations.
> In this ticket, I would like to introduce parallelism inference only for InputFormatTableSource, the RowCount of InputFormatTableSource is more accurate than downstream stages. It is worth to automatically generate its parallelism.
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