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

Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/06/04 19:54:39 UTC

[jira] [Updated] (SPARK-7956) Use Janino to compile SQL expression

     [ https://issues.apache.org/jira/browse/SPARK-7956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-7956:
-------------------------------
    Issue Type: Sub-task  (was: Improvement)
        Parent: SPARK-7075

> Use Janino to compile SQL expression
> ------------------------------------
>
>                 Key: SPARK-7956
>                 URL: https://issues.apache.org/jira/browse/SPARK-7956
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Davies Liu
>            Assignee: Davies Liu
>             Fix For: 1.5.0
>
>
> The overhead of current implementation of codegen is to high (50ms - 500ms), which blocks us from turning it on by default.
> We should try to investigate using Janino to compile the SQL expressions into JVM bytecode, which should be much faster to compile (about 10ms).



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org