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https://issues.apache.org/jira/browse/FLINK-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15607948#comment-15607948
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ASF GitHub Bot commented on FLINK-4923:
---------------------------------------
Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/2693#discussion_r85079869
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SpillableSubpartition.java
---
@@ -227,4 +227,10 @@ public String toString() {
getTotalNumberOfBuffers(),
getTotalNumberOfBytes(), isFinished, readView != null,
spillWriter != null);
}
+
+ public int getNumberOfQueuedBuffers() {
+ synchronized (buffers) {
--- End diff --
Same here, try to avoid synchronization.
> 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.numIn: received buffers of InputGates for a task
> 2. Buffers.numOut: 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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