GitHub user ilganeli opened a pull request:
https://github.com/apache/spark/pull/3518
[SPARK-3694] RDD and Task serialization debugging output
Hi all - in addition to what was explicitly requested in the original JIRA,
I also added the ability to have a trace of the serialization for RDDs so that
you can see which specific dependency is unserializable. For debugging task
serialization, I added a debug log output that shows the file and jar
dependencies. However, I am unsure whether I can add more functionality there.
For the RDD, it is possible to attempt to serialize each dependency in turn,
which is why I can identify which component fails. For task debugging, I did
not see a straightforward way to do the same thing. If anyone can suggest an
approach here, I would be happily to implement it.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ilganeli/spark SPARK-3694B
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3518.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 #3518
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commit 6c997629e4d3bf9bccfbe9c3fa65aa1afa4bfca0
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-10-30T15:02:04Z
Created class to traverse dependency graph of RDD
commit 47ccc227e5bdf14a1db20edfcf1b8f9c77b3b64a
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-10-30T22:06:04Z
Started walker code
commit a8d5332a71fbad4cca0aa1a7ca73db8e1386e15f
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-06T18:40:38Z
RDD WAlker updates
commit a63652f8240e0c370100ab05a11c95beaf47faa5
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-06T18:42:48Z
Added debug output to task serialization. Added debug output to RDD
serialization.
commit 05f2cc0665af3ca297936c8c4c5f6128be5a1ddc
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-06T18:51:50Z
Rebase
commit cbb1d771f4576c6ba981252cd8b7490722317ddf
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-14T19:03:25Z
Style errors
commit 183100019a0866e515edd0164db9c4c7fdf3ee5f
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-29T16:21:43Z
Merge remote-tracking branch 'upstream/master'
commit 916a31c57d89bc6fb83b33fdf70dfc1b94192cc5
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-29T23:52:00Z
Manual merge of updates
commit bfb723de65e60aabb9cccc3b45ccc4638f12583d
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-29T23:55:40Z
Added helper files
commit e0a81537d5962f8bc79b8b9193a30b46827246ed
Author: Ilya Ganelin <ilya.gane...@capitalone.com>
Date: 2014-11-30T00:45:52Z
Fixed whitespace errors
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