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Cisco Bug: CSCun27590 - Too many connections in TIME_WAIT state

Last Modified

Sep 26, 2014

Products (1)

  • Cisco UCS Director

Known Affected Releases

4.100

Description (partial)

Symptom:
A lot of connections to MySQL server are in TCP TIME_WAIT state.
This means the connection was attempted to be closed but is being kept around so that any delayed packets can be matched to the connection and handled appropriately.

You can see this with the shell command "netstat -n | grep :3306"

Conditions:
Seen in very busy environments and noticed on versions before 4.1.0.4
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