Tips And Tricks; Memory Subsystem - HP ML570 - ProLiant - G2 Tuning Manual

Novell NetWare 6 performance tuning guidelines for ProLiant servers

tips and tricks

memory subsystem

Use the following tips to improve the disk subsystem performance:
Use fast 64-bit PCI/PCI-X Direct Memory Access (DMA) NIC devices with gigabit
adapters in the server, if available.
Increase the maximum packet receive buffers (in increments of 10), until you have
one packet receive buffer per workstation.
Set the maximum physical receive packet size to the correct size for your topology.
For Token Ring and Ethernet topologies, 4202 is adequate.
Set the NCP packet signature option to 0 to reduce network traffic congestion and
server processor consumption.
Use network monitoring device to observe network segment utilization. Add another
segment, if needed.
The amount of available memory for network buffers and disk I/O caching can profoundly
affect the performance of a server. Typically the amount of memory in a server should be
proportional to the number of users. That is, the higher the number of users, the larger the
amount of memory required. Low memory, for instance, could lead to "disk thrashing"
which translates to slower response times and low throughputs.
Memory is available in many different types. The differences in the technology and speed
affect memory access time and the overall server performance. HP servers support several
memory technologies. The goal of this section is to create an awareness of the existing
types of memory technologies that are currently available. Table 7 provides information on
different memory technologies and the potential performance implications.
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