As your system grows up, some tuning needs to be done. All Action Request System, application server and client parameters must be adjusted well in order to balance the load. AR System Server parameters are very important in that sense. Although BMC does not make any recommendations for a parameter set according to the user community scale, AR System Administrators should read the Configuration Guide carefully and must be aware of all parameters. One of the fatal parameters which can cause bottleneck on the system is "RPC-Non-Blocking-IO". This parameter is especially needs to be set if you experience odd server restarts, performance problems or if you are getting RPC errors from the server. As written in the Configuration Guide, this parameter enables the AR System on compliant systems to receive remote procedure calls in a non-blocking mode. You should set it in ar.conf file manually as below:
RPC-Non-Blocking-IO: T
We will touch scalability issues more in the future.
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