[SERVER-24704] Stats for aggregation overcounted in Top - MongoDB

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In the shell run

db.toptest.insert({a:1})

db.adminCommand("top")

The entry for toptest should show a command count of 0. Then run

db.toptest.aggregate([{$match: {}}])

db.adminCommand("top")

And now the toptest entry should show a command count of 2.
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In the shell run db.toptest.insert({a:1}) db.adminCommand( "top" ) The entry for toptest should show a command count of 0. Then run db.toptest.aggregate([{$match: {}}]) db.adminCommand( "top" ) And now the toptest entry should show a command count of 2.

Top records some aggregation pipelines as two commands instead of one.

duplicates

SERVER-22541 Aggregation plan executors should be owned by global cursor manager