On Mon, 23 Oct 2006 11:06:45 -0400, Nathan Folkman [EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] wrote:
Following up on Stuart's call for clarification, can someone please send
some out some documentation, or point us to it, where we can figure out
how
to use the new ns_limits/ns_pools functionality in 4.5.
We just used 4.5 in production and aolserver was limited to 100
ESTABLISHED
tcp connections, no matter what we tried. We tried to change the old
settings, changing the keepalivetimeout to 0 and messing with:
ns_param connsperthread
ns_param maxconnections
ns_param maxthreads
but not matter what we had in our configuration, nothing helped us get
any
more simultaneous tcp connections.
Any help would be greatly appreciated.
Or, maybe we should just go back to 4.0.10?
Brad
On Thu, 10 Aug 2006 20:59:46 +0100, Stuart Children
[EMAIL PROTECTED]
wrote:
Stuart Children wrote:
Whilst playing with a new 4.5.0 build, I suddenly noticed that I was
only getting one concurrent connection thread running - eek!
OK, so this is an affect of the new limits code. It's more specific than
I initially described - it's one concurrent connection per specific
url, where I believe url actually means url+at least some headers
(which is slightly surprising, though I can see people having a
requirement for it both ways). Due to the lack of response, I've no idea
whether this is the intentional default behaviour - but it would seem to
merit a mention in the docs if so.
Unfortunately I'm about to leave for an extended holiday, and I've been
pretty busy with other matters in my last few days at work, so
investigating further how the new limits/pools stuff is actually working
(and how one is intended to use it) will have to wait. If anyone can
fill in the gaps whilst I'm away that would be great, but I just wanted
to let people know I probably won't be replying for three weeks...
holiday = no computers. :)
Cheers
--
Stuart
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Any overview of the new commands can be found in the release notes:
http://aolserver.cvs.sourceforge.net/aolserver/aolserver/
RELEASE?view=markup
Your best bet is to just look at the source:
aolserver/nsd/limits.c
aolserver/nsd/pools.c
Here's also a few additional notes I had been working on, although
probably not that helpful:
Ns pools
From Office Wiki
Thread pools can be configured in either application code or the
AOLserver configuration. The following example will set up a thread pool
for all GET requests to /slow/* allowing only a maximum of 2 connection
threads to be allocated. Additional requests will be queued.
ns_pools set slow -maxthreads 2
ns_pools register slow server1 GET /slow/
There are a few stats commands available as well:
server1:nscp 1 ns_server threads slow
{min 0} {max 2} {current 2} {idle 0} {stopping 0}
server1:nscp 2 ns_pools list
slow default error
server1:nscp 3 ns_pools get slow
Ns limits
From Office Wiki
In addition to creating and registering thread pools, you can also
specify the following limits:
maxrun maxwait maxupload timeout
minthreads 0 maxthreads 2 idle 0 current 2 maxconns 2 queued 8 timeout 5
Well,
We've playing with settings like:
ns_limits set default -maxrun 999
ns_limits set default -maxwait 999
ns_pools set default -maxthreads 999
ns_pools set default -maxconns 999
ns_pools set lots -maxthreads 998
ns_pools register lots server1 GET /lasalle/
But not matter what we do, we can never get aolserver to accept more that
100 tcp connections at once. The rest are just queued to WAIT.
We are stressing the server with a load tester and then taking a look at
the ESTABLISHED connections.
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