[GitHub] spark pull request #19709: [SPARK-22483][CORE]. Exposing java.nio bufferedPo...

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/spark/pull/19709


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[GitHub] spark pull request #19709: [SPARK-22483][CORE]. Exposing java.nio bufferedPo...

[vundela]

GitHub user vundela opened a pull request:

https://github.com/apache/spark/pull/19709

[SPARK-22483][CORE]. Exposing java.nio bufferedPool memory metrics to 
Metric System

## What changes were proposed in this pull request?

Adds java.nio bufferedPool memory metrics to metrics system which includes 
both direct and mapped memory.

## How was this patch tested?
Manually tested and checked direct and mapped memory metrics too available 
in metrics system using Console sink.

Here is the sample console output

application_1509655862825_0016.2.jvm.direct.capacity
 value = 19497
application_1509655862825_0016.2.jvm.direct.count
 value = 6
application_1509655862825_0016.2.jvm.direct.used
 value = 19498

application_1509655862825_0016.2.jvm.mapped.capacity
 value = 0
application_1509655862825_0016.2.jvm.mapped.count
 value = 0
application_1509655862825_0016.2.jvm.mapped.used
 value = 0

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/vundela/spark SPARK-22483

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/spark/pull/19709.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #19709


commit 2a0b2816b70f5c1f83a0da3f8dd81913c5e90051
Author: Srinivasa Reddy Vundela 
Date:   2017-11-09T18:16:26Z

[SPARK-22483][CORE]. Exposing java.nio bufferedPool memory metrics to 
metrics system




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