GitHub user LantaoJin opened a pull request:
https://github.com/apache/spark/pull/20532
[SPARK-23353][CORE] Allow ExecutorMetricsUpdate events to be logged tâ¦
â¦o the event log with sampling
## What changes were proposed in this pull request?
[SPARK-22050|https://issues.apache.org/jira/browse/SPARK-22050] give a way
to log BlockUpdated events. Actually, the ExecutorMetricsUpdates are also very
useful if it can be persisted for further analysis.
As a performance reason and actual use case, the PR offers a fraction
configuration which can sample the events to be persisted. we also refactor for
BlockUpdated with the same sampling way.
## How was this patch tested?
Unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/LantaoJin/spark SPARK-23353
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/20532.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 #20532
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commit 0b132b34c020594aee91386271576d715196ef21
Author: LantaoJin <jinlantao@...>
Date: 2018-02-07T13:42:18Z
[SPARK-23353][CORE] Allow ExecutorMetricsUpdate events to be logged to the
event log with sampling
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