Scott Ferguson wrote:
On Feb 7, 2008, at 8:51 AM, Robert Leland wrote:
In a single machine clustered environment the 20 minute timeout works,
but in a two machine cluster the session does not timeout until 30
minutes..
Actually, that should be normal.
To reduce network traffic, the active times are only updated
infrequently, and therefore the timeout is treated as a minimum that
gets stretched. So you won't see the sessions closed at exactly the
session timeout value, but some minutes later.
We have had a live session after 25 minutes....
So in order to have a 95% chance that the session times out at 20
minutes we have to set a session-timeout to .... what 15 minutes ?
That seems a little counter intuitive to the spec definition.
I would have liked the answer better if it was "its an issue that has
been improved/fixed in the latest version of resin" then I could have
encouraged my client to buy new licenses :) !
-- Scott
The only difference in the single vs. two machine resin.conf is:
Single machine
//Use caucho directly no ISAPI filer
<http server-id="app1" host="127.0.0.1" port="80"
read-timeout="300s" write-timeout="300s"/>
//One server in cluster
<srun server-id="app1" host="127.0.0.1" port="6802" index="1"/>
<web-app-deploy path="webapps"/>
//Runs in development directory
<web-app id="/xxxx"
document-directory="D:/Projects/IOP/XXXX/code/web">
</web-app>
<web-app id="/xxxx-help" document-directory="webapps/xxxx-help">
</web-app>
Two machine Cluster (No front end load balancer)
//Uses IIS via ISAPI as front end no direct access to resin configured.
<srun server-id="app1" host="web1" port="6802" index="1"/>
<srun server-id="app2" host="web2" port="6802" index="2"/>
//Uses directory with war files
<web-app-deploy path="d:/web/apps/war-dir"/>
I couldn't tell if this issue might have been fixed my 3.1.4 or 3.0.25,
we are currently using 3.0.23.
Possibly related Issues that were fixed.
security: update form-login with session timeout issue (#1674, rep by
bthakkar)
session saving was still attemped after invalidation (#2031, rep by
jkriesten)
timing issues with session invalidation (#1897, rep by Bradley Van
Cleave)
session: update invalidation to ensure invalidation drops session (#1951)
-Rob
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** Robert Leland INTEGRITY One Partners *
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Suite 150
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--
-Rob
*_________________________________________
** Robert Leland INTEGRITY One Partners *
P: (703) 581-6522 1900 Campus Commons Drive, Suite 150
F: (703) 476-7405 Reston, VA 20191
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
*BUSINESS CONSULTING | TECHNOLOGY | INNOVATION R&D*
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