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https://issues.apache.org/jira/browse/SPARK-26399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257639#comment-17257639
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Ron Hu commented on SPARK-26399:
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Hi [~Baohe Zhang] , This ticket proposes a new REST API:
http://<spark history
server>:18080/api/v1/applications/<application_id>/<application_attempt/stages/<stage_id>/<stage_attempt>/executorSummary.
It means to display the percentile distribution of peak memory metrics among
the executors used in a given stage. It can help Spark users debug/monitor a
bottleneck of a stage.
In the ticket https://issues.apache.org/jira/browse/SPARK-32446, it proposed to
add a REST API, which can display the percentile distribution of peak memory
metrics for all executors used in an application. The REST API is:
http://<spark history
server>:18080/api/v1/applications/<application_id>/<application_attempt>/executorSummary
Hence this ticket displays executorSummary for a given stage inside an
application. SPARK-32446 wants to display executorSummary for the entire
application. They are different.
> Add new stage-level REST APIs and parameters
> --------------------------------------------
>
> Key: SPARK-26399
> URL: https://issues.apache.org/jira/browse/SPARK-26399
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 3.1.0
> Reporter: Edward Lu
> Priority: Major
>
> Add the peak values for the metrics to the stages REST API. Also add a new
> executorSummary REST API, which will return executor summary metrics for a
> specified stage:
> {code:java}
> curl http://<spark history server>:18080/api/v1/applications/<application
> id>/<application attempt/stages/<stage id>/<stage
> attempt>/executorSummary{code}
> Add parameters to the stages REST API to specify:
> * filtering for task status, and returning tasks that match (for example,
> FAILED tasks).
> * task metric quantiles, add adding the task summary if specified
> * executor metric quantiles, and adding the executor summary if specified
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