Details
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Question
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Resolution: Done
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Major - P3
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None
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3.0.2
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None
Description
I'm running aggregations against 12 shards. This is with wired tiger.
The aggregation is a complex project then a group with sum.
I see first the aggregation run on 8 shards
then run on the remaining 4 shards
then a brief flurry on the primary shard.
Why is this - should all 12 not run in parallel.