Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Luis R. Rodriguez
On Thu, May 25, 2017 at 12:01 PM, Luis R. Rodriguez wrote: > On Thu, May 25, 2017 at 11:26 AM, Dmitry Torokhov > wrote: >> On Thu, May 25, 2017 at 08:06:03PM +0200, Luis R. Rodriguez wrote: >>> On Thu, May 25, 2017 at 10:38:40AM -0700, Luis R. Rodriguez wrote: >>> > On Thu, May 25, 2017 at 10:30

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Luis R. Rodriguez
On Thu, May 25, 2017 at 11:26 AM, Dmitry Torokhov wrote: > On Thu, May 25, 2017 at 08:06:03PM +0200, Luis R. Rodriguez wrote: >> On Thu, May 25, 2017 at 10:38:40AM -0700, Luis R. Rodriguez wrote: >> > On Thu, May 25, 2017 at 10:30 AM, Dmitry Torokhov >> > > There is >> > > no slippery slope for sy

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Dmitry Torokhov
On Thu, May 25, 2017 at 08:06:03PM +0200, Luis R. Rodriguez wrote: > On Thu, May 25, 2017 at 10:38:40AM -0700, Luis R. Rodriguez wrote: > > On Thu, May 25, 2017 at 10:30 AM, Dmitry Torokhov > > > There is > > > no slippery slope for systems to move away, no need to backport > > > anything. We seem

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Luis R. Rodriguez
On Thu, May 25, 2017 at 10:38:40AM -0700, Luis R. Rodriguez wrote: > On Thu, May 25, 2017 at 10:30 AM, Dmitry Torokhov > > There is > > no slippery slope for systems to move away, no need to backport > > anything. We seem to agree that a better solution is possible (throttle > > number of concurren

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Luis R. Rodriguez
On Thu, May 25, 2017 at 10:30 AM, Dmitry Torokhov wrote: > On Thu, May 25, 2017 at 09:50:15AM -0700, Luis R. Rodriguez wrote: >> On Thu, May 25, 2017 at 9:38 AM, Dmitry Torokhov >> wrote: >> > On Thu, May 25, 2017 at 06:22:01PM +0200, Luis R. Rodriguez wrote: >> >> On Fri, May 19, 2017 at 02:58:2

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Dmitry Torokhov
On Thu, May 25, 2017 at 09:50:15AM -0700, Luis R. Rodriguez wrote: > On Thu, May 25, 2017 at 9:38 AM, Dmitry Torokhov > wrote: > > On Thu, May 25, 2017 at 06:22:01PM +0200, Luis R. Rodriguez wrote: > >> On Fri, May 19, 2017 at 02:58:29PM -0700, Dmitry Torokhov wrote: > >> > On Fri, May 19, 2017 at

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Luis R. Rodriguez
On Thu, May 25, 2017 at 9:38 AM, Dmitry Torokhov wrote: > On Thu, May 25, 2017 at 06:22:01PM +0200, Luis R. Rodriguez wrote: >> On Fri, May 19, 2017 at 02:58:29PM -0700, Dmitry Torokhov wrote: >> > On Fri, May 19, 2017 at 02:45:29PM -0700, Luis R. Rodriguez wrote: >> > > On May 19, 2017 1:45 PM, "

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Dmitry Torokhov
On Thu, May 25, 2017 at 06:22:01PM +0200, Luis R. Rodriguez wrote: > On Fri, May 19, 2017 at 02:58:29PM -0700, Dmitry Torokhov wrote: > > On Fri, May 19, 2017 at 02:45:29PM -0700, Luis R. Rodriguez wrote: > > > On May 19, 2017 1:45 PM, "Dmitry Torokhov" > > > wrote: > > > > > > On Thu, May 18, 20

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-25 Thread Luis R. Rodriguez
On Fri, May 19, 2017 at 02:58:29PM -0700, Dmitry Torokhov wrote: > On Fri, May 19, 2017 at 02:45:29PM -0700, Luis R. Rodriguez wrote: > > On May 19, 2017 1:45 PM, "Dmitry Torokhov" > > wrote: > > > > On Thu, May 18, 2017 at 08:24:39PM -0700, Luis R. Rodriguez wrote: > > > We currently statically

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-19 Thread Dmitry Torokhov
On Fri, May 19, 2017 at 02:45:29PM -0700, Luis R. Rodriguez wrote: > On May 19, 2017 1:45 PM, "Dmitry Torokhov" > wrote: > > On Thu, May 18, 2017 at 08:24:39PM -0700, Luis R. Rodriguez wrote: > > We currently statically limit the number of modprobe threads which > > we allow to run concurrently t

Re: [PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-19 Thread Dmitry Torokhov
On Thu, May 18, 2017 at 08:24:39PM -0700, Luis R. Rodriguez wrote: > We currently statically limit the number of modprobe threads which > we allow to run concurrently to 50. As per Keith Owens, this was a > completely arbitrary value, and it was set in the 2.3.38 days [0] > over 16 years ago in yea

[PATCH 1/6] kmod: add dynamic max concurrent thread count

2017-05-18 Thread Luis R. Rodriguez
We currently statically limit the number of modprobe threads which we allow to run concurrently to 50. As per Keith Owens, this was a completely arbitrary value, and it was set in the 2.3.38 days [0] over 16 years ago in year 2000. Although we haven't yet hit our lower limits, experimentation [1]