You are viewing a plain text version of this content. The canonical link for it is here.

Posted to notifications@asterixdb.apache.org by "Ian Maxon (Jira)" <ji...@apache.org> on 2023/11/17 18:10:00 UTC

[jira] [Updated] (ASTERIXDB-3303) Calculate projection size at scan level (CBO)

     [ https://issues.apache.org/jira/browse/ASTERIXDB-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ian Maxon updated ASTERIXDB-3303:
---------------------------------
    Labels: triaged  (was: )

> Calculate projection size at scan level (CBO)
> ---------------------------------------------
>
>                 Key: ASTERIXDB-3303
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-3303
>             Project: Apache AsterixDB
>          Issue Type: Improvement
>          Components: COMP - Compiler
>            Reporter: murali krishna
>            Priority: Major
>              Labels: triaged
>
> It is useful for the CBO to know the how many fields are being projected out at the scan level and their avg sizes. This will tell us how many bytes are projected at the scan level. This information is used by the cost formulas.



--
This message was sent by Atlassian Jira
(v8.20.10#820010)