Hi, Have you tried to enable the Pre-Load option? You enable this is the AR Server option.
-- J 2011/11/28 L G Robinson <n...@ncsu.edu>: > ** > Hi Folks, > I am struggling with a performance issue with Mid-tier running on a Linux > VM. Well, maybe not exactly a performance problem. Perhaps it is a caching > issue or a configuration issue. I'm just not sure. Let me say at the outset > that I have read the "BMC Remedy Mid Tier Guide" for 7.6.03, but it is > entirely possible that I have missed some salient points or misunderstood > others. > Here is the basic configuration: > - Using multiple browsers on different machines, Mac and PC. > - Midtier 7.6.03 Patch 002 > - Apache Tomcat/6.0.32 > - Java 1.6.0_29 > - OS: Red Hat Enterprise Linux 6 (64-bit) running as a VM, 4 Gig > - EVC Mode: Intel Xenon Core 2 > This is the behavior that I am seeing: > Upon connecting to the Linux VM, the Mid-tier login screen appears > immediately. But after typing in a vald username/password, there is a delay > of approximately two minutes before the Mid-tier Object List appears (my > home page). After that initial delay, response to loading forms is fast with > no significant delay. If the session is kept active by periodically loading > forms, the delay does not return. However, if I log out for "about an hour" > or if the session is allowed to time-out, the next login experiences the > delay again. > If I restart Tomcat, the first login is always fast. > This system is not in production, so I am basically the only user accessing > the system. > Questions and things I am confused about: > - Does the cache on the server timeout? If so, after what interval and how > do I control this behavior? > - How does the browser cache play into this scenario? Sometimes after I > flush the browser cache, I will experience the delay upon accessing the > Mid-tier. Other times, flushing the browser cache does not seem to matter > and load times are still fast. > - In the Mid-tier Configuration tool, I see that the various object types > have non-zero "Object Counts", but the "Hit" and "Miss" counts are all > always zero. What does this imply about my cache? > > Mid-tier Settings: > Mid Tier Version: 7.6.03 Patch 002 201106210200 > Web Server Information: Apache Tomcat/6.0.32 > Operating System Name: Linux > Java Version: 1.6.0_29 > Definition Change Check Interval (Seconds): 3600 (but I have tried longer) > Perform Check?: Yes, but I have tried "No" also. > Resource Check Interval (Seconds): 86400 > Enable Cache Persistence: Checked. > Session Timeout (Minutes)*: 1440 (but I have tried shorter) > License Release Timeout ([30 - 300] Seconds)*: 60 > Enable object list: Checked > Enable Skins: Checked > I have tried with and without prefetching the cache on the Mid-tier server > and also tried using different users in the prefetch configuration (admin, > non-admin and both). These changes do not seem to make a difference. > The thing that makes me think that something is amiss is the fact that I > have a midtier server running on a Solaris 10 box accessing the same AR > server and it does not display this behavior. It is running Mid-tier 7.6.03 > for Solaris with OOTB configuration and no prefetch. This Mid-tier is > running on the same physical host as the AR server (Solaris 10) and is > configured as: > Mid Tier Version: 7.6.03 Build 001 201008170035 > Web Server Information: Apache Tomcat/6.0.29 > Operating System Name: SunOS > Java Version: 1.6.0_22 > Definition Change Check Interval(Seconds): 3600 > Perform Check?: Yes > Resource Check Interval (Seconds): 86400 > Enable Cache Persistence: Checked. > Session Timeout (Minutes): 1440 > License Release Timeout ([30 - 300] Seconds)*: 60 > Enable object list: checked > Enable Skins: checked > The only difference is minor version differences in Tomcat and Java. The > server.xml file is exactly the same on both servers. I have compared all of > the configuration files that I can find and I have not found anything that > would account for this behavior. > Any suggestions n what to look for? > Thanks for reading this far. :-) > Larry > ----- > Larry Robinson > Remedy Developer/Admin > North Carolina State University > Office Of Information Technology > Raleigh, NC > _attend WWRUG12 www.wwrug.com ARSlist: "Where the Answers Are"_ _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at www.arslist.org attend wwrug12 www.wwrug12.com ARSList: "Where the Answers Are"
