GitHub user zhuhaifengleon opened a pull request:
https://github.com/apache/flink/pull/2693
[FLINK-4923] [Metrics] Expose input/output buffers and bufferPool usaâ¦
The buffers and buffer usage of Input/output bufferPool for a task reflect
wether a task congestion.
So we expose the following Metrics as a Buffers MetricGroup on the
TaskIOMetricGroup, all these metrics is a gauge.
1. numIn of Buffers: received buffers of all InputGates of a task
2. numOut of Buffers: buffers of all produced ResultPartitions of a task
3. InPoolUsage of Buffers: bufferPool usage of all InputGates of a task
4. OutPoolUsage of Buffers: bufferPool usage of all produced
ResultPartitions of a task
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhuhaifengleon/flink FLINK-4923
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2693.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 #2693
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commit 3beb65b8b3ee13d9901763c0fc2138613a36d154
Author: zhuhaifengleon <[email protected]>
Date: 2016-10-26T07:48:31Z
[FLINK-4923] [Metrics] Expose input/output buffers and bufferPool usage as
a metric for a Task
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