On Sun, Apr 18, 2010 at 9:04 PM, Eric Bergen eric.ber...@gmail.com wrote:
Usually I prefer to have linux kill processes rather than excessively
swapping. I've worked on machines before that have swapped so badly
I guess you never had the OOM killer randomly shooting down your SSH daemon
on a
Google oom_adj and oom_score. You can control which process is most
likely to be killed.
On Mon, Apr 19, 2010 at 12:53 AM, Johan De Meersman vegiv...@tuxera.be wrote:
On Sun, Apr 18, 2010 at 9:04 PM, Eric Bergen eric.ber...@gmail.com wrote:
Usually I prefer to have linux kill processes
Linux will normally swap out a few pages of rarely used memory so it's
a good idea to have some swap around. 2G seems excessive though.
Usually I prefer to have linux kill processes rather than excessively
swapping. I've worked on machines before that have swapped so badly
that it took minutes
On Sun, Apr 18, 2010 at 12:04 PM, Eric Bergen eric.ber...@gmail.com wrote:
Linux will normally swap out a few pages of rarely used memory so it's
a good idea to have some swap around. 2G seems excessive though.
Usually I prefer to have linux kill processes rather than excessively
swapping.
The impact of swap activity on performance is dependent on the rate at
which things are being swapped and the speed of swapping. A few pages
per second probably won't kill things but in this case it was swapping
hundreds of pages per second which killed performance. Disks are much
slower than
Correct, but when something *does* go amiss, some swap may give you the time
you need to fix things before you really go down :-)
So, yeah, a gig or two should be fine. There's also no real need for an
actual swap partition, these days - just use a swap file. Performance is
only marginally less
--- On Wed, 14/4/10, Dan Nelson dnel...@allantgroup.com wrote:
Hammerman said:
My organization has a dedicated MySQL server. The
system has 32Gb of
memory, and is running CentOS 5.3. The default
engine will be InnoDB.
Does anyone know how much space should be dedicated to
swap?
I
Hello all,
My organization has a dedicated MySQL server. The system has
32Gb of memory, and is running CentOS 5.3. The default engine will be InnoDB.
Does anyone know how much space should be dedicated to swap?
Thanks!
In the last episode (Apr 13), Joe Hammerman said:
My organization has a dedicated MySQL server. The system has 32Gb of
memory, and is running CentOS 5.3. The default engine will be InnoDB.
Does anyone know how much space should be dedicated to swap?
I say zero swap, or if for some reason you
Yeah. One of the telltale signs of something amiss is excessive swap activity.
You're not going to be happy with the performance when the swap space
is actually in use heavily.
Kyong
On Tue, Apr 13, 2010 at 8:15 PM, Dan Nelson dnel...@allantgroup.com wrote:
In the last episode (Apr 13), Joe
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