Re: [ast-users] Severe performance regression between ksh 2010-03-05 and 2013-10-08

2013-12-05 Thread Irek Szczesniak
On Wed, Dec 4, 2013 at 3:02 PM, Glenn Fowler glenn.s.fow...@gmail.com wrote: On Sun, Dec 1, 2013 at 4:58 PM, Lionel Cons lionelcons1...@gmail.com wrote: On 1 December 2013 17:26, Glenn Fowler glenn.s.fow...@gmail.com wrote: I believe this is related to vmalloc changes between 2013-05-31 and

[ast-users] Avoid clearing memory from |mmap(MAP_ANON)| ? / was: Re: Severe performance regression between ksh 2010-03-05 and 2013-10-08

2013-12-05 Thread Roland Mainz
On Wed, Dec 4, 2013 at 3:02 PM, Glenn Fowler glenn.s.fow...@gmail.com wrote: On Sun, Dec 1, 2013 at 4:58 PM, Lionel Cons lionelcons1...@gmail.com wrote: On 1 December 2013 17:26, Glenn Fowler glenn.s.fow...@gmail.com wrote: I believe this is related to vmalloc changes between 2013-05-31 and

Re: [ast-users] Avoid clearing memory from |mmap(MAP_ANON)| ? / was: Re: Severe performance regression between ksh 2010-03-05 and 2013-10-08

2013-12-05 Thread Roland Mainz
On Fri, Dec 6, 2013 at 12:41 AM, Roland Mainz roland.ma...@nrubsig.org wrote: On Wed, Dec 4, 2013 at 3:02 PM, Glenn Fowler glenn.s.fow...@gmail.com wrote: On Sun, Dec 1, 2013 at 4:58 PM, Lionel Cons lionelcons1...@gmail.com wrote: On 1 December 2013 17:26, Glenn Fowler

Re: [ast-users] Severe performance regression between ksh 2010-03-05 and 2013-10-08

2013-12-05 Thread Glenn Fowler
edit src/lib/libast/vmalloc/vmmaddress.c and change #define VMCHKMEM0 this affects vmalloc detecting overbooked memory but will disable the MAP_FIXED codepath On Thu, Dec 5, 2013 at 4:50 PM, Irek Szczesniak iszczesn...@gmail.comwrote: On Wed, Dec 4, 2013 at 3:02 PM, Glenn Fowler