jjacob7734 opened a new pull request #50: SDAP-151 Determine parallelism automatically for Spark analytics URL: https://github.com/apache/incubator-sdap-nexus/pull/50 The built-in NEXUS analytics timeSeriesSpark, timeAvgMapSpark, corrMapSpark, and climMapSpark got the desired parallelism from a job request parameter like "spark=mesos,16,32". If that was omitted, we defaulted to "spark=local,1,1", which runs on a single core. The new algorithms automatically determine the appropriate level of parallelism based on the job's Spark cluster configuration. The job parameter called "spark" is no longer supported. A new optional job parameter called "nparts" can be used to explicitly set the number of data partitions (e.g., "nparts=16").
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