Re: unfair stress on non memory allocating apps while swapout (in 2.4)

2000-10-24 Thread Bernd Eckenfels
In article <000b01c03bef$17e43c30$0200a8c0@W2K> you wrote: > PS this is my first post to lkml so please keep that in mind... > PPS ... so, was I right? yes welcome, thanks for reminding me of that. And i think exactly that point could be a bit optimized. Greetings Bernd - To unsubscribe from thi

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

2000-10-24 Thread Bernd Eckenfels
On Mon, Oct 23, 2000 at 02:21:11PM -0200, Rik van Riel wrote: > 1) some process allocates gobs of memory > 2) the kernel swaps out memory from all processes > 3) some of the other - partly swapped out - processes >wake up and need to be swapped in > 4) these other processes have to ALLOCATE ME

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

2000-10-21 Thread Nick Piggin
> why are programs which do not allocate memory be delayed while one > program is eating up all memory. This clearly means they are not delayed in > the malloc call but simply the kernel will not schedule them while he is bussy > to page out processes. Bernd, The reason why programs not allocatin

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

2000-10-21 Thread Bernd Eckenfels
In article <[EMAIL PROTECTED]> you wrote: > I know it does thats why i have run that tool- The question is still, why > gets my system unusable in the same second my systems starts to page out? To follow up on myself: the question was why are programs which do not allocate memory be delayed while

Re: unfair stress on non memory allocating apps while swapout (in 2.4)

2000-10-21 Thread Bernd Eckenfels
On Sat, Oct 21, 2000 at 12:22:00PM -0200, Rik van Riel wrote: > > as the proccess is killed. But still i wonder why the swap out > > is such unfair to the rest of the system, especially to a > > process which is not actually allocating memory at all. > > Look again ... "tail /dev/zero" allocates

unfair stress on non memory allocating apps while swapout (in 2.4)

2000-10-14 Thread Bernd Eckenfels
Hello, with 2.4.0-test10-pre2 (possibly long before that version) i still can bring the system to a halt while "tail /dev/zero" is running. I don't complain that you can make a DOS by a trshing system, cause I can use ulimit to actually avoid that. But if i use the tail /dev/zero with nice as a