Details
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Improvement
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Resolution: Duplicate
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Major - P3
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Description
Current, according to http://www.mongodb.org/display/DOCS/MapReduce#MapReduce-Parallelism,
"As of right now, MapReduce jobs on a single mongod process are single threaded. This is due to a design limitation in current JavaScript engines."
It would be very nice if several MapReduce jobs could be executed in parallel !