Thread pools and their corresponding threads control all execution of the application. The more threads you have, the more requests you can be servicing at once. However, the more threads you have the more they are competing for shared resources such as CPUs and the slower the overall response time may become as these shared resources are contended or exhausted. If you are not reaching a target CPU percentage usage, you can increase the three pool sizes, but this will probably require more memory and should be sized properly. If there is a bottleneck other than the CPUs, then CPU usage will stop increasing.
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Viet Luu has written 318 articles
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