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[GitHub] [spark] viirya opened a new pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
viirya opened a new pull request #31988:
URL: https://github.com/apache/spark/pull/31988
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`SparkContext.getCallSite` uses local lazy variable. In Scala 2.11, local lazy val requires synchronization so for large number of job submissions in the same context, it will be a bottleneck. This only for branch-2.4 as we drop Scala 2.11 support at SPARK-26132.
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To avoid possible bottleneck for large number of job submissions in the same context.
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No
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Existing tests.
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[GitHub] [spark] HyukjinKwon commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #31988:
URL: https://github.com/apache/spark/pull/31988#issuecomment-809294727
Merged to branch-2.4.
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[GitHub] [spark] SparkQA commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
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URL: https://github.com/apache/spark/pull/31988#issuecomment-809131068
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[GitHub] [spark] HyukjinKwon closed pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
HyukjinKwon closed pull request #31988:
URL: https://github.com/apache/spark/pull/31988
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[GitHub] [spark] mridulm commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
mridulm commented on pull request #31988:
URL: https://github.com/apache/spark/pull/31988#issuecomment-809618973
Late LGTM, nice fix @lxian, @viirya !
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[GitHub] [spark] viirya commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31988:
URL: https://github.com/apache/spark/pull/31988#issuecomment-809147431
Thanks @HyukjinKwon
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URL: https://github.com/apache/spark/pull/31988#issuecomment-809141981
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URL: https://github.com/apache/spark/pull/31988#issuecomment-809294243
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[GitHub] [spark] HyukjinKwon commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #31988:
URL: https://github.com/apache/spark/pull/31988#issuecomment-809129737
I manually rebased
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[GitHub] [spark] viirya commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
viirya commented on pull request #31988:
URL: https://github.com/apache/spark/pull/31988#issuecomment-809059452
cc @HyukjinKwon @srowen @lxian
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[GitHub] [spark] HyukjinKwon commented on pull request #31988: [SPARK-34855][CORE] Avoid local lazy variable in SparkContext.getCallSite
Posted by GitBox <gi...@apache.org>.
HyukjinKwon commented on pull request #31988:
URL: https://github.com/apache/spark/pull/31988#issuecomment-809129161
The test failures is from https://github.com/apache/spark/commit/102b7239faf481958e5771064008e930237ee597 I reverted.
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**[Test build #136631 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/136631/testReport)** for PR 31988 at commit [`d2641d9`](https://github.com/apache/spark/commit/d2641d90e5a49a91312748fb655e2a7cd3790d3f).
* This patch **fails Spark unit tests**.
* This patch merges cleanly.
* This patch adds no public classes.
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