assia ydroudj commented on SPARK-21157:

this paragraph is well interesting for me: "Perhaps we could
show a trend line of memory usage allowing a user to see at which stage 
boundary memory usage
increased." Is it done please ???? 
how can we get memory reporting values gathered in a json file or other formats 
to further exploitation?

> Report Total Memory Used by Spark Executors
> -------------------------------------------
>                 Key: SPARK-21157
>                 URL: https://issues.apache.org/jira/browse/SPARK-21157
>             Project: Spark
>          Issue Type: Improvement
>          Components: Input/Output
>    Affects Versions: 2.1.1
>            Reporter: Jose Soltren
>            Priority: Major
>         Attachments: TotalMemoryReportingDesignDoc.pdf
> Building on some of the core ideas of SPARK-9103, this JIRA proposes tracking 
> total memory used by Spark executors, and a means of broadcasting, 
> aggregating, and reporting memory usage data in the Spark UI.
> Here, "total memory used" refers to memory usage that is visible outside of 
> Spark, to an external observer such as YARN, Mesos, or the operating system. 
> The goal of this enhancement is to give Spark users more information about 
> how Spark clusters are using memory. Total memory will include non-Spark JVM 
> memory and all off-heap memory.
> Please consult the attached design document for further details.

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