Details
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Task
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Resolution: Done
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Major - P3
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Sharding 2019-02-11, Sharding 2019-02-25, Sharding 2019-03-11, Sharding 2019-03-25, Sharding 2019-04-08
Description
Currently we're seeing a 30%-ish degradation in throughput when running single replica-set transactions through mongos vs. sending directly to the shard. This ticket is to verify that there is indeed a performance difference, and if so, to investigate the cause of the performance difference.