GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/2417
[SPARK-3554] use broadcast automatically for large closure
Py4j can not handle large string efficiently, so we should use broadcast
for large closure automatically. (Broadcast use local filesystem to pass
through data).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark command
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2417.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 #2417
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commit aefd508e9882f59b159cfc06c8c0935936ee6c03
Author: Davies Liu <[email protected]>
Date: 2014-09-16T21:12:55Z
use broadcast automatically for large closure
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