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  1. Core Server
  2. SERVER-27957

mongos Failed to connect to shards ExceededTimeLimit: Operation timed out, request was RemoteCommand

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    • Icon: Question Question
    • Resolution: Incomplete
    • Icon: Major - P3 Major - P3
    • None
    • 3.4.0
    • Networking, Sharding
    • None

    Description

      sometimes mongos failed to connect to shard servers ,like this

      [NetworkInterfaceASIO-TaskExecutorPool-0-0] Failed to connect to 172.*.*.*:10000 - ExceededTimeLimit: Operation timed out, request was RemoteCommand 2032618 -- target:172.*.*.*:10000 db:admin cmd:{ isMaster: 1 }
       
      [conn64648] Invariant failure event.isValid() src/mongo/executor/thread_pool_task_executor.cpp 256
      

      restart the mongos can solve this problem,In a few days,this problem once again.

      Now it is running normally,the mongos connet to shard servers every 15 seconds,behavior like this happen much too often. what wrong with it?

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            mark.agarunov Mark Agarunov
            tom.tang@mongodb.com Tom Tang (Inactive)
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