SERVER-12734 CurrentOp (inprog) fails with wrapped query ($query: {})

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• Closed

SERVER-17707 Rewrite inProg, unlockFsync & killOp as proper commands

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SERVER-5466 Add commands for all $cmd.sys.* operations

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SERVER-4760 Add commands for fsyncUnlock and fsyncIsLocked

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SERVER-20184 find commands on old-style system collections doesn't work

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DOCS-7106 Document the "killOp" command

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DOCS-9425 Missing command information for fsyncUnlock command from Database Commands

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SERVER-20652 remove pseudocommand downconversion code in mongos

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DOCS-8007 Document currentOp command for 3.2+

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SERVER-17951 db.currentOp() fails with read preference set

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SERVER-19806 Query on $cmd.sys.inprog requires limit -1 on mongos

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SERVER-19810 mongos requires queries on $cmd.sys.inprog to use "admin" database

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SERVER-5811 Make a killCursors command

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