GitHub user JoshRosen opened a pull request:
https://github.com/apache/spark/pull/7002
[SPARK-8344] Add message processing time metric to DAGScheduler
This commit adds a new metric, `messageProcessingTime`, to the DAGScheduler
metrics source. This metrics tracks the time taken to process messages in the
scheduler's event processing loop, which is a helpful debugging aid for
diagnosing performance issues in the scheduler (such as SPARK-4961).
In order to do this, I moved the creation of the DAGSchedulerSource metrics
source into DAGScheduler itself, similar to how MasterSource is created and
registered in Master.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/JoshRosen/spark SPARK-8344
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7002.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 #7002
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commit 7d6bb837f1e1de643237644934024de1eb7420a6
Author: Josh Rosen <[email protected]>
Date: 2015-06-24T23:01:18Z
Add message processing time metrics to DAGScheduler
commit 57f914b8b612a04dbda4f4005c2bed47cd1bb8a0
Author: Josh Rosen <[email protected]>
Date: 2015-06-24T23:04:50Z
Fix import ordering
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