On Wed, Dec 12, 2007 at 10:27:56 +0100, Roch - PAE wrote:
: O_DSYNC was good idea. Then if you have recent Nevada you
: can use the separate intent log (log keyword in zpool
: create) to absord thosewrites without having splindle
: competition with the reads. Your write workload
Dickon Hood writes:
> On Fri, Dec 07, 2007 at 13:14:56 +, I wrote:
> : On Fri, Dec 07, 2007 at 12:58:17 +, Darren J Moffat wrote:
> : : Dickon Hood wrote:
> : : >On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote:
> : : >: Dickon Hood wrote:
>
> : : >: >We're seeing the w
On Fri, Dec 07, 2007 at 13:14:56 +, I wrote:
: On Fri, Dec 07, 2007 at 12:58:17 +, Darren J Moffat wrote:
: : Dickon Hood wrote:
: : >On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote:
: : >: Dickon Hood wrote:
: : >: >We're seeing the writes stall in favour of the reads. For
On Fri, Dec 07, 2007 at 05:27:25 -0800, Anton B. Rang wrote:
: > I was under the impression that real-time processes essentially trump all
: > others, and I'm surprised by this behaviour; I had a dozen or so
RT-processes
: > sat waiting for disc for about 20s.
: Process priorities on Solaris affe
> I was under the impression that real-time processes essentially trump all
> others, and I'm surprised by this behaviour; I had a dozen or so RT-processes
> sat waiting for disc for about 20s.
Process priorities on Solaris affect CPU scheduling, but not (currently) I/O
scheduling nor memory usag
On Fri, Dec 07, 2007 at 12:58:17 +, Darren J Moffat wrote:
: Dickon Hood wrote:
: >On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote:
: >: Dickon Hood wrote:
: >: >We've got an interesting application which involves recieving lots of
: >: >multicast groups, and writing the data to d
Dickon Hood wrote:
> On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote:
> : Dickon Hood wrote:
> : >We've got an interesting application which involves recieving lots of
> : >multicast groups, and writing the data to disc as a cache. We're
> : >currently using ZFS for this cache, as we
On Fri, Dec 07, 2007 at 12:38:11 +, Darren J Moffat wrote:
: Dickon Hood wrote:
: >We've got an interesting application which involves recieving lots of
: >multicast groups, and writing the data to disc as a cache. We're
: >currently using ZFS for this cache, as we're potentially dealing with
Dickon Hood wrote:
> We've got an interesting application which involves recieving lots of
> multicast groups, and writing the data to disc as a cache. We're
> currently using ZFS for this cache, as we're potentially dealing with a
> couple of TB at a time.
>
> The threads writing to the filesyst
We've got an interesting application which involves recieving lots of
multicast groups, and writing the data to disc as a cache. We're
currently using ZFS for this cache, as we're potentially dealing with a
couple of TB at a time.
The threads writing to the filesystem have real-time SCHED_FIFO pr
10 matches
Mail list logo
