[SPARK-18975][Core] Add an API to remove SparkListener #16382
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Change-Id: I6aa47c9276866b20ad53dc04b6d11d299a30e690
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Test build #70511 has started for PR 16382 at commit |
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Jenkins, retest this please. |
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Test build #70512 has finished for PR 16382 at commit
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LGTM |
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Merging in master. |
cmonkey
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Dec 24, 2016
## What changes were proposed in this pull request? In current Spark we could add customized SparkListener through `SparkContext#addListener` API, but there's no equivalent API to remove the registered one. In our scenario SparkListener will be added repeatedly accordingly to the changed environment. If lacks the ability to remove listeners, there might be many registered listeners finally, this is unnecessary and potentially affects the performance. So here propose to add an API to remove registered listener. ## How was this patch tested? Add an unit test to verify it. Author: jerryshao <sshao@hortonworks.com> Closes apache#16382 from jerryshao/SPARK-18975.
uzadude
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Jan 27, 2017
## What changes were proposed in this pull request? In current Spark we could add customized SparkListener through `SparkContext#addListener` API, but there's no equivalent API to remove the registered one. In our scenario SparkListener will be added repeatedly accordingly to the changed environment. If lacks the ability to remove listeners, there might be many registered listeners finally, this is unnecessary and potentially affects the performance. So here propose to add an API to remove registered listener. ## How was this patch tested? Add an unit test to verify it. Author: jerryshao <sshao@hortonworks.com> Closes apache#16382 from jerryshao/SPARK-18975.
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What changes were proposed in this pull request?
In current Spark we could add customized SparkListener through
SparkContext#addListenerAPI, but there's no equivalent API to remove the registered one. In our scenario SparkListener will be added repeatedly accordingly to the changed environment. If lacks the ability to remove listeners, there might be many registered listeners finally, this is unnecessary and potentially affects the performance. So here propose to add an API to remove registered listener.How was this patch tested?
Add an unit test to verify it.