Overloaded Sessions

Question

Hi All,In our application suddenly our sessions rise up to more than 60007/31 14:22:13 metrics Web threads (busy/total): 0/19 Sessions: 652 Total Memory=518848 Free=478368I think this could be caused due to a scheduled job. And we are facing out of memory errors. Please could you guide me is the overloaded sessions making our coldfusion server to crash. The server crash only after 2-3 days. For the initial two days it is working fine.

Anonymous · Answer

You can specify a default timeout for session in the cfadmin, if they are not in your application file as well.

The default should be 20 minutes, this should be sufficient, for users, but in the instance of a bot, this would be an issue since they don't pass a cookie back to your server.

I would look at your web logs and see where the new session are originating from.

Keep in mind in order for a session to maintain itself, the client has to pass the cfid and cftoken cookie values (or in the url) back to the server. Otherwise the same originating IP over a few minutes, seconds, etc, will keep creating a new session.

Most bots like google or msn have documentation on their web sites on how to create a robot.txt that should be placed in your web root.

Otherwise you could be getting a DOS attack or some other system that is automatically hitting your site.

Byron Mann

mannb@hostmysite.com

byronosity@gmail.com

Software Architect

hosting.com | hostmysite.com

http://www.hostmysite.com/?utm_source=bb

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