GitHub user ankurdave opened a pull request:
https://github.com/apache/spark/pull/367
Handle empty partition iterators
Empty edge partitions sometimes appear in the output of zipPartitions for
unknown reasons, causing calls to Iterator#next to fail. This PR checks these
cases, handles them by returning an empty iterator, and logs an error if this
would cause GraphX to drop a corresponding non-empty partition.
Resolves amplab/graphx#52.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ankurdave/spark handle-empty-partitions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/367.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 #367
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commit 74021775bce5b6f6a6541c43d74cc98accd07ce9
Author: Ankur Dave <[email protected]>
Date: 2014-04-09T05:56:10Z
Handle empty partition iterators
Empty edge partitions sometimes appear in the output of zipPartitions
for unknown reasons, causing calls to Iterator#next to fail. This commit
checks these cases, handles them by returning an empty iterator, and
logs an error if this would cause GraphX to drop a corresponding
non-empty partition.
Resolves amplab/graphx#52.
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