CF Server Outages/ Stops Responding

[Sanjeev]

Hi All,

We have a Coldfusion Application. We recently migrated to CF 8.01 as
we were having server outage issues with CF MX 6.1.
We thought that problems will be resolved but it didn't.

We are having same outage issues. We don't know what happens (CF
hangs, Jrun freezes etc.) in background but CF
just stops processing requests.

This has become a serious issue as we are losing customers due to
that. Can anyone have any pointers.

We have the following environment now.

CF 8.01 Enterprise edition
SQL Server 2000
IIS 6.0

Thanks!
Sanjeev Singla

P.S: Posted on houseoffusion.com too.

[Mark Ireland]

Setup and alert and snapshot for a low number of threads. Then setup an alert that kills the thread that is causing the freeze.

> Date: Mon, 15 Feb 2010 14:23:57 -0800
> Subject: [cfaussie] CF Server Outages/ Stops Responding
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> To: cfau...@googlegroups.com

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[m...@ampersand.net.au]

You will probably find the thread that is hanging is some external process; check for cfexecute for example.

Now that you are in CF8 you can wrap everything up in CFTHREAD tags and monitor that they actually complete, or time them out yourself and kill them.

[Dave]

Have you tried FusionReactor on the server yet?

If not, install it (there is a tree 14 day trial), when the server
begins to become sluggish, goto Running Requests and 'stack trace' the
ones that have been running the longest. FR takes a bit to get used
to if you have never used it before, but it is by far the best tool to
tell you what code is causing your CF server to "hang" it's well worth
the $$$ for the full version in the long run.

Dave

[Kai Koenig]

Sanjeev,

there recently has been a thread on cfaussie discussing a lot of
interesting options and thoughts on dealing with server issues,
freezes, CPU spikes etc. I suggest you have a look at that as well.

Cheers,
Kai

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