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

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

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 MEMORY

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 this

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

2000-10-22 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

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

2000-10-22 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 allocating

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

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

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

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

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

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