Details
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Question
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Resolution: Incomplete
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Major - P3
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None
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3.4.0
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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 }
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[conn64648] Invariant failure event.isValid() src/mongo/executor/thread_pool_task_executor.cpp 256
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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?