Multiple listen threads

You can improve service for connection requests by using multiple listen threads.

If the database server cannot service connection requests satisfactorily for a given interface/protocol combination with a single port and corresponding listen thread, you can improve service for connection requests in the following ways:
  • By adding listen threads for additional ports.
  • By adding listen threads to the same port if you have the onimcsoc or onsoctcp protocol
  • By adding another network-interface card.
  • By dynamically starting, stopping, or restarting listen threads for a SOCTCP or TLITCP network protocol, using SQL administration API or onmode -P commands.

If you have multiple listen threads for one port for the onsoctcp protocol, the database server can accept new connections if a CPU VP connection is busy.

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