On 03/07/2012 03:07 PM, Craig James wrote:
echo 4294967296 >/proc/sys/kernel/shmmax # 4 GB shared memory
echo 4096 >/proc/sys/kernel/shmmni
echo 1572864 >/proc/sys/kernel/shmall # 6 GB max shared mem (block size
is 4096 bytes)
For what it's worth, you can just make these entries in your
/etc/
On Wed, Mar 7, 2012 at 12:18 PM, Merlin Moncure wrote:
> On Mon, Mar 5, 2012 at 10:56 AM, Craig James
> wrote:
> > On Sun, Mar 4, 2012 at 10:36 AM, Rory Campbell-Lange
> > wrote:
> >>
> >> We do have complex transactions, but I haven't benchmarked the
> >> performance so I can't describe it. Fe
On Mon, Mar 5, 2012 at 9:56 AM, Craig James wrote:
> On Sun, Mar 4, 2012 at 10:36 AM, Rory Campbell-Lange
> wrote:
>>
>> We do have complex transactions, but I haven't benchmarked the
>> performance so I can't describe it. Few of the databases are at the many
>> million row size at the moment, an
On Mon, Mar 5, 2012 at 10:56 AM, Craig James wrote:
> On Sun, Mar 4, 2012 at 10:36 AM, Rory Campbell-Lange
> wrote:
>>
>> We do have complex transactions, but I haven't benchmarked the
>> performance so I can't describe it. Few of the databases are at the many
>> million row size at the moment, a
On 03/06/2012 10:34 AM, Yeb Havinga wrote:
On 2012-03-06 09:34, Andrea Suisani wrote:
On 03/06/2012 09:17 AM, Yeb Havinga wrote:
PS: we applied the same philosophy (different brands) also to motherboards, io
controllers and memory, but after testing, we liked one IO controllers software
so m
On 03/06/2012 09:17 AM, Yeb Havinga wrote:
On 2012-03-05 23:37, Mark Kirkwood wrote:
Which brings up the question of should it be a pair in RAID 1 or just a singe drive?
Traditionally this would have been a no brainer "Of course you want RAID 1 or RAID
10"! However our experience with SSD fail
On 2012-03-07 01:36, Mark Kirkwood wrote:
On 06/03/12 21:17, Yeb Havinga wrote:
One thing to note is that linux software raid with md doesn't support
discard, which might shorten the drive's expected lifetime. To get
some numbers I tested the raid 1 of ssd's setup for mediawear under a
Post