Summary: www Server wierdness

From: Paul Wood <pcwood_at_uniblab.ocis.temple.edu>
Date: Tue, 10 Dec 1996 15:47:39 -0500 (EST)

My Original Message:

> Hello,
> We recently installed the Netscape Enterprise server on one of our Alpha
> 2100A systems which houses 9000+ accounts. We have been experiencing
> intermittent problems with URLs returning the following message:
>
> Forbidden
> Your client is not allowed to access the requested object.
>
> Sometimes it works tho so its not a permissions problem. The error logs
> show the following:
>
> [05/Dec/1996:08:43:49] warning: for host uniblab.ocis.temple.edu trying to
> GET /~pcwood/, send-file reports: error opening buffer from
> /home/systems/pcwood/public_html/index.html (Not enough space)
>
> Can anyone tell me what buffer is being referred to and how I can remedy
> this? Where is there "Not enought space"?
>

Thanks very much to:
From: Scot <scot_at_engrs.infi.net>
From: Phil Rand <prand_at_paul.spu.edu>
From: "Robert L. McMillin" <rlm_at_syseca-us.com>
From: Anthony McGarr <delphig_at_dsuper.net>
From: Joseph McGuire <joe_at_vyne.com>
From: skinner_at_zko.dec.com


The most popular answer and the one that seems to have worked for us is to
modify the obj.conf file to contain:
Init fn="cache-init" disable="true"


Responses follow:
-------------------------------------------------------------------------

From: Scot <scot_at_engrs.infi.net>

This is a misconfiguration in the default
     obj.conf
  
    I worked w/ Netscape on this and they had a fix but I cant seem to
    find my notes and I installed OpenMerket (More reliable)
    over Netscape.

    Netscape Tech-reps can walk you through the
    change. You may also find it in a newsgroup.

 Scot
-------------------------------------------------------------------------

From: Phil Rand <prand_at_paul.spu.edu>

Hi Paul,

We had similar problems when we tried the Enterprise Server on DU4.0,
though I don't remember finding any error log messages. Perhaps we just
didn't look in the right place.

We dropped back to the Communications server on DU4.0. On our one server
where we needed SSL, we stayed with DU3.2b. The Enterprise Server seems
to work ok on 3.2b, and I assume it would be ok on more recent 3.2
releases.

(You didn't mention which version of Digital Unix you are using, btw.)

--------------------------------------------------------------------------

From: "Michael R. Kline" <mike_at_lib.utexas.edu>

Paul,

We ran into similar problems and more. I am forwarding to you a
solution sent to us from Tim Winders. It did solve the out od space
problems, but we found that we still had problems with the server's
threads tending to "freeze up" for periods of up to a minute or more.
We played with all sorts of kernel parameters, but couldn't make it work
smoothly enough. We finally went back to the commerce server and all is
well.

Mike

Mike -

Yes, I THINK I have the answer. I haven't posted a summary yet because I
am not 100% positive. But here goes... The answer was given to me by
someone at DEC, who found the answer on the Netscape snews group. Anyway,
add the following line to the top of your obj.conf file for the server.

Init fn="cache-init" disable="true"

Then, go into the administrative server and open the server you just
modified. Netscape will tell you you have to apply the manual changes.
Do this, then shutdown and restart your server to make sure that it
worked. The server error log should tell you that caching has been
disabled.

Good luck.

=== Tim

-------------------------------------------------------------------------

From: "Robert L. McMillin" <rlm_at_syseca-us.com>


Have you looked at your swap space? My guess is that you're running out
of virtual memory. Try 'swapon -s' to find what your swap space looks
like... the rule of thumb they seem to use at DEC is that you ought to
have a RAM to swap space ratio of about 1:2. We use Oracle here, which
is very piggish especially if you ever have to rebuild any binaries),
and use 1:3.

-------------------------------------------------------------------------

From: Anthony McGarr <delphig_at_dsuper.net>


We've been their, got the t-shirt, just disable the caching
in the obj.conf file as follows and restart the server!!

# Netscape Communications Corporation - obj.conf
# You can edit this file, but comments and formatting changes
# might be lost when the admin server makes changes.

Init fn="load-types" mime-types="mime.types"
Init fn="cache-init" disable="true"

notice the second line, this is a bug in the digital unix version
but this fixes the problem

Anthony
SuperNet Montreal

-------------------------------------------------------------------------

From: Joseph McGuire <joe_at_vyne.com>

I haven't got the specific solution for you, but here's two
items that may help:
Try the apache server, its MUCH better.
and
Digital has a webpage about tuning DU for web server performance.
The buffer that you are filling up is most likely listed there, as
well as a LOT of other very useful stuff.
http://www.digital.com/info/internet/document/ias/tuning.html
                        Enjoy!
                                        joe

-------------------------------------------------------------------------

From: skinner_at_zko.dec.com

Hi,

You need to turn caching off in your obj.conf. Add the following line
to beginning of the file.

Init fn="cache-init" disable="true"

Also, if you can get ahold of one of the beta (b2) you're better
off. Enterprise 2.0 has a scheduling problem that prevents
more than one daemon from accumulating cpu time. This is supposed
to be fixed in 2.01, due out next Feb.

Hope this helps,

Shari

-------------------------------------------------------------------------
-- 
-=( Paul Wood                            http://thunder.temple.edu/~pcwood)=-
-=( pcwood_at_uniblab.ocis.temple.edu     Temple University Computer Services)=-
Received on Tue Dec 10 1996 - 22:08:20 NZDT

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