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Posted to issues@flink.apache.org by "BoWang (JIRA)" <ji...@apache.org> on 2019/04/09 07:14:00 UTC
[jira] [Comment Edited] (FLINK-12135) Decrease parallelism of tasks
with too small input data size
[ https://issues.apache.org/jira/browse/FLINK-12135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16813065#comment-16813065 ]
BoWang edited comment on FLINK-12135 at 4/9/19 7:13 AM:
--------------------------------------------------------
As the first step, we only merge partitions, i.e., only decrease parallelism.
was (Author: eaglewatcher):
Due to the high cost of splitting, in the first step we only merge partitions, i.e., only decrease parallelism
> Decrease parallelism of tasks with too small input data size
> ------------------------------------------------------------
>
> Key: FLINK-12135
> URL: https://issues.apache.org/jira/browse/FLINK-12135
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: BoWang
> Assignee: BoWang
> Priority: Major
>
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