Rebuild routing table after Graph.reverse#431
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ankurdave wants to merge 1 commit intoapache:masterfrom
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Rebuild routing table after Graph.reverse#431ankurdave wants to merge 1 commit intoapache:masterfrom
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GraphImpl.reverse used to reverse edges in each partition of the edge RDD but preserve the routing table and replicated vertex view, since reversing should not affect partitioning. However, the old routing table would then have incorrect information for srcAttrOnly and dstAttrOnly. These RDDs should be switched. A simple fix is for Graph.reverse to rebuild the routing table and replicated vertex view. Thanks to Bogdan Ghidireac for reporting this issue on the mailing list.
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lgtm merged. |
asfgit
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GraphImpl.reverse used to reverse edges in each partition of the edge RDD but preserve the routing table and replicated vertex view, since reversing should not affect partitioning. However, the old routing table would then have incorrect information for srcAttrOnly and dstAttrOnly. These RDDs should be switched. A simple fix is for Graph.reverse to rebuild the routing table and replicated vertex view. Thanks to Bogdan Ghidireac for reporting this issue on the [mailing list](http://apache-spark-user-list.1001560.n3.nabble.com/graph-reverse-amp-Pregel-API-td4338.html). Author: Ankur Dave <ankurdave@gmail.com> Closes #431 from ankurdave/fix-reverse-bug and squashes the following commits: 75d63cb [Ankur Dave] Rebuild routing table after Graph.reverse (cherry picked from commit 235a47c) Signed-off-by: Reynold Xin <rxin@apache.org>
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Describe caching and uncaching in GraphX programming guide
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GraphImpl.reverse used to reverse edges in each partition of the edge RDD but preserve the routing table and replicated vertex view, since reversing should not affect partitioning. However, the old routing table would then have incorrect information for srcAttrOnly and dstAttrOnly. These RDDs should be switched. A simple fix is for Graph.reverse to rebuild the routing table and replicated vertex view. Thanks to Bogdan Ghidireac for reporting this issue on the [mailing list](http://apache-spark-user-list.1001560.n3.nabble.com/graph-reverse-amp-Pregel-API-td4338.html). Author: Ankur Dave <ankurdave@gmail.com> Closes apache#431 from ankurdave/fix-reverse-bug and squashes the following commits: 75d63cb [Ankur Dave] Rebuild routing table after Graph.reverse
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Describe caching and uncaching in GraphX programming guide (cherry picked from commit ad294db) Signed-off-by: Reynold Xin <rxin@apache.org>
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Update external shuffle service docs
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GraphImpl.reverse used to reverse edges in each partition of the edge RDD but preserve the routing table and replicated vertex view, since reversing should not affect partitioning.
However, the old routing table would then have incorrect information for srcAttrOnly and dstAttrOnly. These RDDs should be switched.
A simple fix is for Graph.reverse to rebuild the routing table and replicated vertex view.
Thanks to Bogdan Ghidireac for reporting this issue on the mailing list.