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Performance testing with Bonnie++

September 11, 2007

Bonnie++ is a short test, running about 30 minutes on a single client. The information it yields can be used to compare differences between different mount options, but its real value is in deriving CPU usage during the various tests it performs. A test that returns a high CPU utilization indicates that your bottleneck is the CPU itself and that a faster processor will improve performance. A low CPU utilization indicates that the problem is elsewhere. Read the rest of this entry »

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Linux
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disks, Linux, performance, scsi
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Port Forwarding

Its often really useful to be able to forward network traffic from one host to another. Possible applications include:

  • Bouncing traffic via a trusted host in order to get through a firewall.
  • Directing web users to an alternative server while performing maintenace on another.

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Linux
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Linux, network, port-forwarding
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