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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/01/21 12:10:01 UTC

[jira] [Updated] (FLINK-7834) cost model (RelOptCost) extends network cost and memory cost

     [ https://issues.apache.org/jira/browse/FLINK-7834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-7834:
----------------------------------
    Labels: pull-request-available  (was: )

> cost model (RelOptCost) extends network cost and memory cost
> ------------------------------------------------------------
>
>                 Key: FLINK-7834
>                 URL: https://issues.apache.org/jira/browse/FLINK-7834
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API &amp; SQL
>            Reporter: godfrey he
>            Priority: Major
>              Labels: pull-request-available
>
> {{RelOptCost}} defines an interface for optimizer cost in terms of number of row processed, CPU cost, and I/O cost. Flink is a distributed framework, network and memory are also two important cost metrics which should be considered for optimizer. This feature is to extend RelOptCost.



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