Dmitry Goldenberg created SPARK-8526:
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Summary: Provide a way to define custom metrics and custom metric
sink in Spark
Key: SPARK-8526
URL: https://issues.apache.org/jira/browse/SPARK-8526
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 1.4.0
Reporter: Dmitry Goldenberg
There is a number of user questions posted into the Spark mailing list
regarding how to instrument custom metrics within Spark applications:
* how to define custom metrics
* how to define a custom metrics sink such as a custom metrics servlet
* how to call back into the consumers from the sink to report on some actions
potentially taken by the metrics sink
Some of this may be a documentation issue. Currently the Metrics section under
https://spark.apache.org/docs/latest/monitoring.html is rather sparse.
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