On 07/07/11 09:04, Andriy Gapon wrote: > on 07/07/2011 06:11 Steve Kargl said the following: >> Unfortunately, I have neither the brain capacity and time nor >> the money to fix the issue. To solve OP's problem in the >> short, the simplest solution may be to switch to 4BSD. Let's >> face, ULE is not a silver bullet. > I think that piling up different problems into a single discussion, even if they > involve a common component (to a certain degree), is not going to help anybody. > If I have read this thread correctly (and taking the subject line as a witness) > the OP had a problem with heavy I/O activity screwing up interactivity. I think > that it's not the same problem as sub-optimal performance of heavy CPU-bound > load, which is what you reported if I am not mistaken. > This is quibbling. On heavy loads on networ, disk et cetera, isn't there always and also a CPU bound load? Whenever this problem came up, it was brought down by force. Yes, I reported due to the obvious fact that this essential problem involves usability of several workstations. It get more obvious when FreeBSD is used with a GUI. But I also realized, as I reported(!), problems on a headless server, even with several tunings, performed slowly and with increasing numbers over time as recommended here (for instance, kern.sched.preempt_thresh=224 or up to kern.sched.preempt_thresh=512, with little effect). Where, if not here, should such problems be discussed? If we open for each dedicated micro-problem a separate thread, we would never gather that many problems which seem to be related to one single well known 'sweet spot'.Received on Thu Jul 07 2011 - 20:51:04 UTC
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