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From "Apache Spark (Jira)" <>
Subject [jira] [Assigned] (SPARK-31440) Improve SQL Rest API
Date Fri, 01 May 2020 16:52:02 GMT


Apache Spark reassigned SPARK-31440:

    Assignee: Apache Spark

> Improve SQL Rest API
> --------------------
>                 Key: SPARK-31440
>                 URL:
>             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
> 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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