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Postfix Stress Test With smtp-source and top

Sep 30, 2008, 04:31 (0 Talkback[s])

[ Thanks to Mike Weber for this link. ]

"As you evaluate the sample data there are several fields to pay close attention to. The first is the Cpu wa or “amount of time the CPU has been waiting for I/O to complete.” This at any sustained level will dramatically decrease the speed or your mail server. Here is the wa from several snapshots taken and you can see that running at the load that is presented by the smtp-source is not sustainable"

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