[jira] [Assigned] (SPARK-31440) Improve SQL Rest API

["Apache Spark (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-31440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-31440:
------------------------------------

    Assignee: Apache Spark

> Improve SQL Rest API
> --------------------
>
>                 Key: SPARK-31440
>                 URL: https://issues.apache.org/jira/browse/SPARK-31440
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Eren Avsarogullari
>            Assignee: Apache Spark
>            Priority: Major
>         Attachments: current_version.json, improved_version.json
>
>
> SQL Rest API exposes query execution metrics as Public API. This Jira aims to apply following improvements on SQL Rest API by aligning Spark-UI.
> *Proposed Improvements:*
> 1- Support Physical Operations and group metrics per physical operation by aligning Spark UI.
> 2- Support *wholeStageCodegenId* for Physical Operations
> 3- *nodeId* can be useful for grouping metrics and sorting physical operations (according to execution order) to differentiate same operators (if used multiple times during the same query execution) and their metrics.
> 4- Filter *empty* metrics by aligning with Spark UI - SQL Tab. Currently, Spark UI does not show empty metrics.
> 5- Remove line breakers(*\n*) from *metricValue*.
> 6- *planDescription* can be *optional* Http parameter to avoid network cost where there is specially complex jobs creating big-plans.
> 7- *metrics* attribute needs to be exposed at the bottom order as *metricDetails*. Specially, this can be useful for the user where *metricDetails* array size is high. 
> 8- Reverse order on *metricDetails* aims to match with Spark UI by supporting Physical Operators' execution order.
> *Attachments:*
>  Please find both *current* and *improved* versions of the results as attached for following SQL Rest Endpoint:
> {code:java}
> curl -X GET http://localhost:4040/api/v1/applications/$appId/sql/$executionId?details=true{code}
>  
>   



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