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https://issues.apache.org/jira/browse/FLINK-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chesnay Schepler closed FLINK-4923.
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Resolution: Fixed
Implemented in 344fe94db96ea44fa7714e105631eb192bb382e4 and
c335d289b440953ac2c32ce48dba79a6d0734ba5
> Expose input/output buffers and bufferPool usage as a metric for a Task
> -----------------------------------------------------------------------
>
> Key: FLINK-4923
> URL: https://issues.apache.org/jira/browse/FLINK-4923
> Project: Flink
> Issue Type: Improvement
> Components: Metrics
> Reporter: zhuhaifeng
> Assignee: zhuhaifeng
> Priority: Minor
> Fix For: 1.2.0
>
>
> We should expose the following Metrics on the TaskIOMetricGroup:
> 1. Buffers.inputQueueLength: received buffers of InputGates for a task
> 2. Buffers.outputQueueLength: buffers of produced ResultPartitions for a task
> 3. Buffers.inPoolUsage: usage of InputGates buffer pool for a task
> 4. Buffers.outPoolUsage: usage of produced ResultPartitions buffer pool for
> a task
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