What are possible causes for RTC 4.0 performance issues ?
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Hi,
I am trying to setup RTC 4.0 in a VM environment using DB2 and WAS.
The VM has 4 CPU Quad-core 2.4Ghz and 16GB RAM.
Installed and Configured as per the IBM documentation, applied the fine-tuning settings to the DB2 and WAS.
Able to access the WAS admin console with no delay, but when i try to access the RTC in web it takes 5 min to load each page.
The same installed in my laptop, where i don't see these issues. It is working perfect.
Need help on this .
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4 answers
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Hi,
firstly, could you please change the title of this topic to a question? It would be more appropriate to read something like: "What are possible causes for RTC 4.0 performance issues using browser XYZ?" One thing I have observed in the past: if you are using Internet Explorer and you have no valid SSL certificate (or a self-signed certificate that you have not put into the trust store yet), the browser will behave really slugglish. Can you test if Firefox is behaving differently? If you make a self-signed certificate and put it into your trust store, does performance improve? To find out more, please go to the project Dashboard, add widget and search for "performance". You will find the performance health measurement widget. Add, run and see if there are issues. You can also use the Eclipse client and the Metronome to find the root cause, which calls are causing the performance issues. - Arne Comments Hi,
I want to clarify on the browser part, i am currently using the firefox.
Added the self-signed certificate to the trust store.
I added the Performance health measurement widget and details are as below
Round trip Latency: Avg : 56ms, Max:64, Min:44, Standard deviation: 10.
Database Latency : 0ms
Download Speed : 14075 KB/s
Upload Speed : 24526 KB/s
I don't find anything critical here.
-Prasad
Hi Prasad,
Hi Arne,
I ran the test in the widget from the client browser, there is no major difference in the values mentioned in the previous post.
Java script is enabled in the browser.
-Prasad
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I have seen very similar performance issues in my demo environments.
I have CLM 4.0 installed in a VM, and have found that depending on my external network connection outside the VM, my internal performance of the CLM server will change. I have also found that RTC Eclipse client connectivity doesn't ever seem to be affected, it's only when I use the web UI. I'm running Tomcat and Derby with lots of RAM and nothing ever shows as being under stress, when I am waiting for the browser the CPU load is nearly zero and the processes seem to be almost dead, like it's waiting for something... I find it particularly on the first access - the certificate warning comes very quickly, but then it takes forever to show the "Loading..." page, and forever again to show the login screen, and then forever again to show the first dashboard. If I keep going it seems to get faster but I have had to abandon several demos because of it - very embarrassing!! Comments I just read the above Work Item:
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