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developerWorks  >  Lotus  >  Forums & community  >  Lotus Notes and Domino wiki
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Domino Wiki

<PortName>_PortThreadPoolCount
Added by Harry Peebles, last edited by Harry Peebles on 04/24/2008
IBM provided information

This page has been reviewed and is maintained by IBM. Comments are welcome, but the information is not editable.

Explanation:
As of Domino 7 the NRPC worker thread pool size can be set for each individual Notes Port by using this setting. In order to set the thread pool size for a given Notes Port, one can use the following syntax:

_PortThreadPoolCount=

where is the name of the Notes Port in question (for example, "TCPIP"), and indicates the size of the thread pool. For example:

TCPIP_Users_PortThreadPoolCount=40

would set the worker thread pool size for the Notes Port called "TCPIP_Users" to a total of 40 threads; meaning 40 worker threads are available to handle inbound connections for that specific port.

Note: This INI setting applies only to the thread pool that handles NRPC connections (port 1352) for each Notes Port. The use of this parameter is only available in Notes Domino 7, and takes precedence over the use of the SERVER_POOL_TASKS parameter if it is present. However, SERVER_POOL_TASKS is still honored if the ND7 version is not specified. It is highly recommended that one configure no more than 100 threads total across all Notes Ports.

Default:
Disabled by default.

Recommendation:
Using these settings should be avoided unless specifically directed to by IBM Support. These are high leverage configuration options. They are also dangerous when used incorrectly.

Related Settings:
Server_Pool_Tasks, Server_Max_Concurrent_Trans,_PortThreadPoolCount

References:
Technote  1220856
How to set the NRPC thread pool sizes for each Notes port in Notes Domino 7
http://www.ibm.com/support/docview.wss?rs=203&uid=swg21220856

Domino Configuration Tuner:
This setting is included in the DCT catalog of best practices as of Domino 8.5