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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/09/16 11:13:00 UTC
[jira] [Updated] (FLINK-13056) Optimize region failover performance
on calculating vertices to restart
[ https://issues.apache.org/jira/browse/FLINK-13056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated FLINK-13056:
-----------------------------------
Labels: pull-request-available (was: )
> Optimize region failover performance on calculating vertices to restart
> -----------------------------------------------------------------------
>
> Key: FLINK-13056
> URL: https://issues.apache.org/jira/browse/FLINK-13056
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.9.0
> Reporter: Zhu Zhu
> Assignee: Zhu Zhu
> Priority: Major
> Labels: pull-request-available
>
> Currently some region boundary structures are calculated each time of a region failover. This calculation can be heavy as its complexity goes up with execution edge count.
> We tested it in a sample case with 8000 vertices and 16,000,000 edges. It takes ~2.0s to calculate vertices to restart.
> (more details in [https://docs.google.com/document/d/197Ou-01h2obvxq8viKqg4FnOnsykOEKxk3r5WrVBPuA/edit?usp=sharing)]
> That's why we'd propose to cache the region boundary structures to improve the region failover performance.
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