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Processor Speed Requirements
GUI Server
Device Server
Device Server Managing IDP Standalone Devices Running Profiler
Recommendations for Large-Scale Installations
Copyright © 2010, Juniper Networks, Inc.
performance storage solution. You can specify the path for log storage during initial
installation.
In addition to regular logs, error logs may consume up to 125 MB of storage space on the
Device Server.
This section details requirements for CPU on the GUI Server and Device Server.
A faster CPU in the GUI Server provides for a more responsive Log Viewer, and a more
responsive system overall. We recommend that you focus on a system that supports
your storage and memory needs first, and get a mid-range to high-end processor for it.
Dual processors in the GUI Server have a negligible performance benefit for NSM, but
might have additional performance benefits with future releases.
A faster CPU supports higher sustained logging rates, improving scalability on the Device
Server. A modern Intel or AMD CPU (2.4GHz) or an UltraSparc III (1.2 GHz) can handle
sustained log rates of at least 20,000 logs per second.
More CPUs enable the Device Server to manage more IDP standalone devices running
profiler. See Table 32 on page 207.
Table 32: CPU Requirements for Device Server Managing IDP (w/Profiler)
Devices
Number of Profiling
Devices
1 or 2
3 through 8
9 through 20
The following recommendations apply for large-scale installations of NSM:
Install Linux ext2 filesystem for maximum performance. Note that without journaling,
crash recovery will not be robust. Regular backups mitigate that risk.
Disable atime filesystem feature by mounting the noatime option.
Use secondary 7200 RPM or better SATA hard drive for
Server and Device Server.
CPUs
1
2
4
Appendix B: Hardware Recommendations
/var/netscreen
on both GUI
207
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