In memory shuffle #1
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This PR accomplishes two things: 1. It introduces a Synthetic Benchmark application that generates an arbitrarily large log-normal graph and executes either PageRank or connected components on the graph. This can be used to profile GraphX system on arbitrary clusters without access to large graph datasets 2. This PR improves the implementation of the log-normal graph generator. Author: Joseph E. Gonzalez <[email protected]> Author: Ankur Dave <[email protected]> Closes apache#720 from jegonzal/graphx_synth_benchmark and squashes the following commits: e40812a [Ankur Dave] Exclude all of GraphX from compatibility checks vs. 1.0.0 bccccad [Ankur Dave] Fix long lines 374678a [Ankur Dave] Bugfix and style changes 1bdf39a [Joseph E. Gonzalez] updating options d943972 [Joseph E. Gonzalez] moving the benchmark application into the examples folder. f4f839a [Joseph E. Gonzalez] Creating a synthetic benchmark script. (cherry picked from commit 894ecde) Conflicts: project/MimaExcludes.scala
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Updating changes to in memory shuffle. This compiles and passes all graph test however, I cannot confirm if it has actually enabled in-memory shuffle.
Let's not merge the pull request (since it is largely a hack) but instead use the PR to track discussion.