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Posted to issues@flink.apache.org by "Kurt Young (JIRA)" <ji...@apache.org> on 2019/01/30 10:37:00 UTC

[jira] [Closed] (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 ]

Kurt Young closed FLINK-7834.
-----------------------------
    Resolution: Unresolved

> 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
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> {{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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