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Type: Improvement
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Resolution: Unresolved
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Priority: Major - P3
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None
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Affects Version/s: 3.0.5
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Component/s: Networking, Sharding
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Cluster Scalability
Currently there is no socket timeout option for mongos connections to the mongod. In the event of a mongod failure, the convergence time is increased as the TCP socket needs to close completely.
The delay can is exacerbated when there is a slow query or idle connection, as there is no "keep alive" packet to detect a socket timeout.