[THIN] Re: Tough One--Nfuse sites stop responding during mid- afte rnoon
- From: "Harper, Scott (EDS)" <Scott.Harper@xxxxxxxxxxxxxxxx>
- To: "'thin@xxxxxxxxxxxxx'" <thin@xxxxxxxxxxxxx>
- Date: Thu, 14 Nov 2002 06:43:44 -0800
What does this signify?
We have been having major network issues at our site and when the network is
acting up, between the XML, IMA and the DLLHOST the CPU on our NFuse server
is pegged at 100% - will not take request, page time outs etc. But once the
network team squares away the network, about 15 minutes later, NFuse up and
running fine as if nothing happened and the CPU drops back down to normal.
What does the dllhost run?
> -----Original Message-----
> From: Ron Oglesby [mailto:roglesby@xxxxxxxxxxxx]
> Sent: Wednesday, November 13, 2002 2:03 PM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Tough One--Nfuse sites stop responding
> during mid- afte rnoon
>
>
>
> DLLHOST.exe excuse me
>
> Ron Oglesby
> Senior Technical Architect
> =20
> RapidApp
> Office 312.372.7188
> Mobile 312.961.2380
> email roglesby@xxxxxxxxxxxx
> =20
>
> -----Original Message-----
> From: Ron Oglesby=20
> Sent: Wednesday, November 13, 2002 2:00 PM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Tough One--Nfuse sites stop responding
> during mid- afte rnoon
>
>
> If you look in taskmgr when this happens does the hostdll.exe
> running under the IWAM account eat up a bunch of processor on
> the server and look like its taking some memory?
>
>
> Ron Oglesby
> Senior Technical Architect
> =3D20
> RapidApp
> Office 312.372.7188
> Mobile 312.961.2380
> email roglesby@xxxxxxxxxxxx
> =3D20
>
> -----Original Message-----
> From: Mason Dively [mailto:mdively@xxxxxxxxxx]=3D20
> Sent: Wednesday, November 13, 2002 1:54 PM
> To: 'thin@xxxxxxxxxxxxx'
> Subject: [THIN] Re: Tough One--Nfuse sites stop responding
> during mid- afte rnoon
>
> George--
>
> Thanks for the input--I actually gave that a try but it did
> not restore functionality.
>
> Thanks,
> =3D20
> Mason B. Dively MCP,CCA
> Amdocs CMI Production Windows Support
>
>
> -----Original Message-----
> From: george.wasgatt@xxxxxxxxxxxx
> [mailto:george.wasgatt@xxxxxxxxxxxx]=3D20
> Sent: Tuesday, November 12, 2002 7:34 AM
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Re: Tough One--Nfuse sites stop responding
> during mid- afte rnoon
>
>
>
> Instead of bouncing the Primary Data Collector why not just
> stop and restart the XML service ?
>
> -----Original Message-----
> From: Andrew Feringa [mailto:Andrew.Feringa@xxxxxxxxxxx]
> Sent: Monday, November 11, 2002 10:11 PM
> To: 'thin@xxxxxxxxxxxxx'
> Subject: [THIN] Re: Tough One--Nfuse sites stop responding
> during mid-afte rnoon
>
>
>
> How many web Citrix servers do you have? One of them maybe
> hung and = =3D3D will not accept connections.
>
> I have had a similar issue but not with Nfuse. At roughly the
> same time =3D3D each day the farm would stop accepting
> connections. What it ended up being = =3D =3D3D was a corrupt
> server with 18 connections on it. The server would not allow
> = =3D3D anyone to log onto it but was only a problem when all
> the other servers =3D3D reached 18 users and load balancing
> tried to connect new users to that server.
>
> We have 100 MF servers so it was hard to detect. I found it
> by doing a Qserver in the morning to see if any stats on a
> server stood out.
>
> This does not explain why a reboot of the DC temporary
> resolves the = =3D3D issue though?
>
> Andrew Feringa
> System Administrator
> CCEA (XP), MCP
> gen-i=3D3D20
> =3D3DA0=3D3DA0=3D3DA0=3D3DA0=3D3DA0=3D3DA0=3D3DA0 =
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> Zealand=3D3D20 Ph:=3D3DA0+64 9 373 6913=3D3D20 Fax:=3D3DA0+64
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>
>
> -----Original Message-----
> From: Mason Dively [mailto:mdively@xxxxxxxx]=3D3D20
> Sent: Thursday, 7 November 2002 23:59
> To: thin@xxxxxxxxxxxxx
> Subject: [THIN] Tough One--Nfuse sites stop responding during
> =3D3D mid-afternoon
>
>
> Thought I would put this one out there and see if anyone has
> any =3D3D ideas?we are near the end of our rope with this one
> and Citrix support has been = =3D =3D3D next to worthless up
> to this point. =3D3D20
>
> =3D3D20
>
> Farm:
>
> Win2K SP2 Active Directory Domain
>
> Metaframe XPe FR1/SP2
>
> 3 Zones (2 production zones with 60 application servers per
> zone, and 1 testing/training zone with 30 application
> servers) (Each of the 3 zones =3D3D has its own dedicated
> data collector)
>
> 2 Load balanced Nfuse 1.6 web servers pointed to the primary
> data =3D3D collector for zone 1 for their published
> application information
>
> =3D3D20
>
> Situation:
>
> Our farm has been online for nearly a year and a half now and
> we have = =3D =3D3D been using the Nfuse implementation for
> just over a year. We started with = =3D =3D3D Nfuse 1.51
> when we originally built our farm, and used the Custom Web
> Site = =3D3D builder that shipped with Nfuse 1.51 to build
> multiple sites on our Nfuse =3D3D servers. These websites
> that we created with the website builder have worked
> perfectly fine since they were first created over a year ago.
> Just = =3D3D within the past two days, each day around 2:30
> in the afternoon (peak logon = =3D3D time for our farm?after
> lunch rush), we have experienced the following =3D3D problem.
> We suddenly see the number of current web connections jump
> dramatically =3D3D up on both of our web servers (this might
> be something network =3D3D related?haven?t pinpointed the
> cause here) and then both of the websites stop =3D3D
> responding. What I mean by stop responding is that when a
> user points their web = =3D3D browser to the login page, the
> initial login page will load but then the window =3D3D that
> pops up to che ck whether the ICA client is installed on the
> local machine just sits = =3D =3D3D there and hangs. The ICA
> client popup window never closes as it normally = =3D3D does
> when the website is working properly. If you try to close
> the ICA =3D3D client popup window and then login to the
> website?it just basically sits there =3D3D and spins?doesn?t
> ever bring up an application set. The first thing we = =3D3D
> tried is restarting IIS, but this did not change the outcome.
> After this we = =3D3D tried rebooting our webservers (one at
> a time) and then trying to load the = =3D3D initial login
> page?even with a very small amount of web connections to the
> web servers the page still does not function properly. Our
> next step was = =3D =3D3D to bounce our primary data
> collector?the box that both of our webservers = =3D =3D3D are
> pointed to for their published application information. Once
> the =3D3D primary data collector is rebooted and comes back
> up, the problem seems to go = =3D =3D3D away. This is where
> we are stuck. Why does rebooting the data collector fix =
> =3D =3D3D the web servers abilit y to display the Nfuse
> websites? It is very odd that the web ICA =3D3D client
> window would just stick there and not allow us to login to
> the page, = =3D3D but as soon as we reboot the data collector
> the site starts functioning =3D3D correctly. This puppy is
> nasty and we obviously don?t want to deal with rebooting =
> =3D =3D3D our data collector every day in the middle of peak
> login time.
>
> =3D3D20
>
> Does anyone have any ideas as to what might be causing this
> problem? = =3D =3D3D Any help is greatly appreciated?I?m
> buying beers for anyone who has the fix =3D3D for this one!!!
>
> =3D3D20
>
> By the way?don?t ever let your farm dump on you during
> IForum?there are =3D3D no Citrix SE?s available right now!!
>
> =3D3D20
>
> Thanks,
>
> =3D3D20
>
> Mason B. Dively MCP,CCA
>
> Amdocs CMI Production Windows Support
>
> =3D3D20
>
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