[SPARK-4672][GraphX]Perform checkpoint() on PartitionsRDD to shorten the lineage#3549
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JerryLead wants to merge 4 commits into
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[SPARK-4672][GraphX]Perform checkpoint() on PartitionsRDD to shorten the lineage#3549JerryLead wants to merge 4 commits into
JerryLead wants to merge 4 commits into
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Can one of the admins verify this patch? |
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ok to test |
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Test build #24056 has started for PR 3549 at commit
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Test build #24056 has finished for PR 3549 at commit
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Test PASSed. |
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…the lineage The related JIRA is https://issues.apache.org/jira/browse/SPARK-4672 Iterative GraphX applications always have long lineage, while checkpoint() on EdgeRDD and VertexRDD themselves cannot shorten the lineage. In contrast, if we perform checkpoint() on their ParitionsRDD, the long lineage can be cut off. Moreover, the existing operations such as cache() in this code is performed on the PartitionsRDD, so checkpoint() should do the same way. More details and explanation can be found in the JIRA. Author: JerryLead <JerryLead@163.com> Author: Lijie Xu <csxulijie@gmail.com> Closes #3549 from JerryLead/my_graphX_checkpoint and squashes the following commits: d1aa8d8 [JerryLead] Perform checkpoint() on PartitionsRDD not VertexRDD and EdgeRDD themselves ff08ed4 [JerryLead] Merge branch 'master' of https://github.com/apache/spark c0169da [JerryLead] Merge branch 'master' of https://github.com/apache/spark 52799e3 [Lijie Xu] Merge pull request #1 from apache/master (cherry picked from commit fc0a147) Signed-off-by: Ankur Dave <ankurdave@gmail.com>
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Thanks, merged into master and branch-1.2. |
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The related JIRA is https://issues.apache.org/jira/browse/SPARK-4672
Iterative GraphX applications always have long lineage, while checkpoint() on EdgeRDD and VertexRDD themselves cannot shorten the lineage. In contrast, if we perform checkpoint() on their ParitionsRDD, the long lineage can be cut off. Moreover, the existing operations such as cache() in this code is performed on the PartitionsRDD, so checkpoint() should do the same way. More details and explanation can be found in the JIRA.