Optimizing The Mta; Optimizing Tcp/Ip Links; Adjusting The Number Of Mta Tcp/Ip Connections; Adjusting The Mta Wait Intervals For Slow Tcp/Ip Connections - Novell GROUPWISE 8 - ADMINISTRATION Administration Manual

Optimizing the MTA

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You can adjust how the MTA functions to optimize its performance. Before attempting
optimization, you should run the MTA long enough to observe its efficiency and its impact on other
network applications running on the same server. See
page 661.
Also, remember that optimizing your network hardware and operating system can make a difference
in MTA performance.
The following topics help you optimize the MTA:
Section 43.1, "Optimizing TCP/IP Links," on page 689
Section 43.2, "Optimizing Mapped/UNC Links," on page 690
Section 43.3, "Optimizing the Routing Queue," on page 694
Section 43.4, "Adjusting MTA Polling of Closed Locations," on page 694

43.1 Optimizing TCP/IP Links

Using startup switches in the MTA startup file, you can fine-tune the performance of TCP/IP links.
Section 43.1.1, "Adjusting the Number of MTA TCP/IP Connections," on page 689
Section 43.1.2, "Adjusting the MTA Wait Intervals for Slow TCP/IP Connections," on
page 689

43.1.1 Adjusting the Number of MTA TCP/IP Connections

When using TCP/IP links between domains, you can control the number of inbound connections the
MTA can establish for receiving messages.
Use the /tcpinbound switch in the MTA startup file to increase the maximum number of inbound
connections the MTA can establish from the default of 40 to whatever setting meets the needs of
your system. There is no maximum setting.
If the MTA is receiving more requests than it can accept, the sending MTAs must wait until a
connection becomes available, which slows down message transfer. Each connection requires only
about 20 KB. For example, if you configure the MTA to accept 600 connections, it would require
approximately 12 MB of RAM. Although there is no maximum setting for inbound connections, this
setting is adequate to handle very heavy usage. Use lower settings to conserve RAM or for lighter
usage.
MTA Web Console You can check the maximum number of TCP/IP connections that the MTA can
start on the Configuration
43.1.2 Adjusting the MTA Wait Intervals for Slow TCP/IP
Connections
When using TCP/IP links, you can control how long the MTA waits for responses.
page under the TCP/IP Settings heading.
Chapter 42, "Monitoring the MTA," on
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Optimizing the MTA 689