Re: Btrfs switches to using mostly one thread

2011-12-09 Thread Jeremy Sanders
On 09/12/11 14:18, Chris Mason wrote: According to this you've only got one delalloc worker. That would explain it. Could you please confirm with ps? Yes - only one delalloc worker is now present, but there were at least three initially. Jeremy -- To unsubscribe from this list: send the

Re: Btrfs switches to using mostly one thread

2011-12-09 Thread Chris Mason
On Fri, Dec 09, 2011 at 12:05:40PM +, Jeremy Sanders wrote: > On 08/12/11 20:11, Chris Mason wrote: > >On Thu, Dec 08, 2011 at 05:39:16PM +, Jeremy Sanders wrote: > >>On 08/12/11 17:23, Chris Mason wrote: > >>>On Thu, Dec 08, 2011 at 04:57:12PM +, Jeremy Sanders wrote: > On 08/12/11

Re: Btrfs switches to using mostly one thread

2011-12-09 Thread Jeremy Sanders
On 09/12/11 12:15, Arne Jansen wrote: On 08.12.2011 16:19, Jeremy Sanders wrote: Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 (Fedora 16, x86_64, dual-core), where after a few hours of writing, it switches from writing with several threads to writing with one: Ho

Re: Btrfs switches to using mostly one thread

2011-12-09 Thread Arne Jansen
On 08.12.2011 16:19, Jeremy Sanders wrote: > Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 > (Fedora 16, x86_64, dual-core), where after a few hours of writing, it > switches from writing with several threads to writing with one: How many disks does the fs have? -A

Re: Btrfs switches to using mostly one thread

2011-12-09 Thread Jeremy Sanders
On 08/12/11 20:11, Chris Mason wrote: On Thu, Dec 08, 2011 at 05:39:16PM +, Jeremy Sanders wrote: On 08/12/11 17:23, Chris Mason wrote: On Thu, Dec 08, 2011 at 04:57:12PM +, Jeremy Sanders wrote: On 08/12/11 15:32, Chris Mason wrote: On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sa

Re: Btrfs switches to using mostly one thread

2011-12-08 Thread Chris Mason
On Thu, Dec 08, 2011 at 05:39:16PM +, Jeremy Sanders wrote: > On 08/12/11 17:23, Chris Mason wrote: > >On Thu, Dec 08, 2011 at 04:57:12PM +, Jeremy Sanders wrote: > >>On 08/12/11 15:32, Chris Mason wrote: > >>>On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sanders wrote: > Hi - I'm tr

Re: Btrfs switches to using mostly one thread

2011-12-08 Thread Jeremy Sanders
On 08/12/11 17:23, Chris Mason wrote: On Thu, Dec 08, 2011 at 04:57:12PM +, Jeremy Sanders wrote: On 08/12/11 15:32, Chris Mason wrote: On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sanders wrote: Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 (Fedora 16, x8

Re: Btrfs switches to using mostly one thread

2011-12-08 Thread Chris Mason
On Thu, Dec 08, 2011 at 04:57:12PM +, Jeremy Sanders wrote: > On 08/12/11 15:32, Chris Mason wrote: > >On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sanders wrote: > >>Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 > >>(Fedora 16, x86_64, dual-core), where after

Re: Btrfs switches to using mostly one thread

2011-12-08 Thread Jeremy Sanders
On 08/12/11 15:32, Chris Mason wrote: On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sanders wrote: Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 (Fedora 16, x86_64, dual-core), where after a few hours of writing, it switches from writing with several threads to w

Re: Btrfs switches to using mostly one thread

2011-12-08 Thread Jeremy Sanders
On 08/12/11 15:32, Chris Mason wrote: On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sanders wrote: Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 (Fedora 16, x86_64, dual-core), where after a few hours of writing, it switches from writing with several threads to w

Re: Btrfs switches to using mostly one thread

2011-12-08 Thread Chris Mason
On Thu, Dec 08, 2011 at 03:19:38PM +, Jeremy Sanders wrote: > Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 > (Fedora 16, x86_64, dual-core), where after a few hours of writing, it > switches from writing with several threads to writing with one: Ok, I'll try to

Btrfs switches to using mostly one thread

2011-12-08 Thread Jeremy Sanders
Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 (Fedora 16, x86_64, dual-core), where after a few hours of writing, it switches from writing with several threads to writing with one: After: 21996 root 20 0 000 R 97.2 0.0 109:03.57 btrfs-delalloc-