Ender SEVINC wrote: > Hi, > we have such a problem with our server performance. > Let me first introduce our server;we have a HP > Proliant ML370 host machine with double CPU, each of > which is Xeon 3.0 GHz. with 1 MB. L3 cache. > But unfortunately, we cannot get the performance of > parallel processing to the degree we want. Each Xeon > CPU is seen as 2 CPUs, because of being Xeon and HT > technology, and totally 4 CPUs are seen while the > server is running by the OS. > But the point is that those 4 CPUs are running > sequentially, not parallely. As a result, while > running an application esp. needing CPU, on the > server, we cannot use the total CPU power upto 100% or > close. In other words, there is little or zero > performance gradation while running the application on > our server when compared to a normal PC. We use RHL > 9.0 and the kernel is 2.4.20-20.9. > I think that the kernel does not let to use system > resources totally. Perhaps another RHL 9.0 kernel > might not only let to use system resources fully but > also runs our applicatiom without a problem. I > remember that with RHL 7.3 version, there was not such > a problem. All CPUs were working parallely with it, > 7.3 and we get the full CPU power. But now our CPU > utilization is about 25-30%. We have to use RHL 9.0 > from now on, and would be better to run the CPUs > parallelly. > My question is that have you ever encountered such a > problem, and do you have any idea to overcome such a > situation? > Do you have any supposal, if any, i like to hear. > Sincerely. Are your application using threads? I thinkt this is necessary to benefit from HT. You're using a SMP kernel right? -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
