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sendmail Performance Tuning by Nick Christenson

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7.5. Removing Bottlenecks

Let’s assume that the system bottleneck has been revealed using the techniques described earlier in this chapter. The next logical question to ask is, “What should be done about it?” Some of the methods for effecting an improvement in system performance will be obvious, and many have been discussed already. In this section we will explore some of the ways in which bottlenecks may be alleviated and some of the pitfalls that may be encountered.

It may seem that identifying the bottleneck and planning the fix should be the most difficult part of improving system performance, and they usually are. Additional frustration may arise, however. We never really completely eliminate bottlenecks—we just improve the throughput of ...

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