[aklug] Re: Reasonable average server load?

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 06/24/2010 11:43 AM, Arthur Corliss wrote:
> On Thu, 24 Jun 2010, Christopher Howard wrote:
>
>> Just to reiterate... this isn't actually my server or hardware we're
>> talking about. I'm just paying for web space and an ssh login through
>> bluehost.com.
>>
>> But anyway, from what you told me: it looks like the problem isn't too
>> much CPU load, but basically disk throttling.
>
> Note that it doesn't answer the question *why* the disk is getting
> thrashed.
> As Adam had mentioned before eating into swap (i.e., insufficient RAM) can
> cause the same symptoms on the disk because that's where the swap is. You
> didn't mention how much RAM you have in that server, but I'm inferring from
> the vmstat output (which is still just an average since boot, since you
> didn't poll that) that you're probably not under memory pressure. Since
> your cache allocation is so high and that's one of the first things to get
> cannibalized under pressure I would think you're fine there. That and
> your average swap-in/out per second is zero. Looks like you're just
> serving up a lot of content from disk.
>
> You're averaging four processes at a time *waiting* for execution time,
> too.
> That can't be good.
>
> Is that a shared server you're renting, or is it dedicated to you?
>
> --Arthur Corliss
> Live Free or Die

Definitely /not/ dedicated to me.

If this helps at all: I used to know a guy on the support staff last
year. He told me that bluehost.com targets small business, and one of
the biggest problems they deal with is users with badly designed MySQL
databases and database access programming. Like, for example, some users
write code that scans through every record in the database when the
should only need to scan through a few records.

- --
Christopher Howard
http://linuxprogrammingforums.com
http://indicium.us
http://theologia.indicium.us

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.14 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAkwjuFcACgkQQ5FLNdi0BcVuSwCfYzfx+wMhy7WMA15bN1AwaJ6C
2m0AmwadUYXsBSOhGpq3ErvWXi7mrFET
=xZyC
-----END PGP SIGNATURE-----
---------
To unsubscribe, send email to <aklug-request@aklug.org>
with 'unsubscribe' in the message body.
Received on Thu Jun 24 11:56:12 2010