Re: syncing large mmaped files

2012-10-19 Thread Konstantin Belousov
On Thu, Oct 18, 2012 at 03:43:25PM -0400, John Baldwin wrote: > On Thursday, October 18, 2012 12:42:18 pm Konstantin Belousov wrote: > > On Thu, Oct 18, 2012 at 09:39:34AM -0400, John Baldwin wrote: > > > On Thursday, October 18, 2012 4:35:37 am Konstantin Belousov wrote: > > > > On Thu, Oct 18, 20

RE: syncing large mmaped files

2012-10-18 Thread Tristan Verniquet
> From: j...@freebsd.org > To: kostik...@gmail.com > Subject: Re: syncing large mmaped files > Date: Thu, 18 Oct 2012 15:43:25 -0400 > CC: freebsd-hackers@freebsd.org; tris_v...@hotmail.com > > On Thursday, October 18, 2012 12:42:18 pm Konstantin Belousov wrote: > >

Re: syncing large mmaped files

2012-10-18 Thread John Baldwin
On Thursday, October 18, 2012 12:42:18 pm Konstantin Belousov wrote: > On Thu, Oct 18, 2012 at 09:39:34AM -0400, John Baldwin wrote: > > On Thursday, October 18, 2012 4:35:37 am Konstantin Belousov wrote: > > > On Thu, Oct 18, 2012 at 10:08:22AM +1000, Tristan Verniquet wrote: > > > > > > > > I wa

Re: syncing large mmaped files

2012-10-18 Thread Konstantin Belousov
On Thu, Oct 18, 2012 at 09:39:34AM -0400, John Baldwin wrote: > On Thursday, October 18, 2012 4:35:37 am Konstantin Belousov wrote: > > On Thu, Oct 18, 2012 at 10:08:22AM +1000, Tristan Verniquet wrote: > > > > > > I want to work with large (1-10G) files in memory but eventually sync > > > them ba

RE: syncing large mmaped files

2012-10-18 Thread Tristan Verniquet
> From: j...@freebsd.org > To: freebsd-hackers@freebsd.org > Subject: Re: syncing large mmaped files > Date: Thu, 18 Oct 2012 09:39:34 -0400 > CC: kostik...@gmail.com; tris_v...@hotmail.com > > On Thursday, October 18, 2012 4:35:37 am Konstantin Belousov wrote: > > On

Re: syncing large mmaped files

2012-10-18 Thread John Baldwin
On Thursday, October 18, 2012 4:35:37 am Konstantin Belousov wrote: > On Thu, Oct 18, 2012 at 10:08:22AM +1000, Tristan Verniquet wrote: > > > > I want to work with large (1-10G) files in memory but eventually sync > > them back out to disk. The problem is that the sync process appears to > > lock

Re: syncing large mmaped files

2012-10-18 Thread Konstantin Belousov
On Thu, Oct 18, 2012 at 10:08:22AM +1000, Tristan Verniquet wrote: > > I want to work with large (1-10G) files in memory but eventually sync > them back out to disk. The problem is that the sync process appears to > lock the file in kernel for the duration of the sync, which can run > into minutes

Re: syncing large mmaped files

2012-10-18 Thread Nikolay Denev
On Oct 18, 2012, at 3:08 AM, Tristan Verniquet wrote: > > I want to work with large (1-10G) files in memory but eventually sync them > back out to disk. The problem is that the sync process appears to lock the > file in kernel for the duration of the sync, which can run into minutes. This >

syncing large mmaped files

2012-10-17 Thread Tristan Verniquet
I want to work with large (1-10G) files in memory but eventually sync them back out to disk. The problem is that the sync process appears to lock the file in kernel for the duration of the sync, which can run into minutes. This prevents other processes from reading from the file (unless they al