IIQ running slow

Hi all,

What are the reason for a IIQ server to respond slowly. I have already checked the below

  1. Checked the Environments through the Administrative Console - Seems fine
  2. Checked the Task result page and Report result page - Seems fine
  3. Logged in to the server and checked all the processes running - Seems fine

What else can I check?

Thanks in advance

Hi Rishav, is it the UI that is slow to respond, or are tasks slow to complete?

If your application servers are low on memory, then that can cause issues.

If your database server is slow, then that is bad too.

@paul_hilchey Its the UI that is slow. I have checked all the things. All seem fine

If the IIQ server still feels sluggish even though everything looks normal on the surface, start by checking the JVM memory and garbage collection — long GC pauses or a full heap can quietly slow things down.
Next, take a look at the database performance; sometimes even a single slow query or missing index can make the whole system lag.
It’s also worth reviewing active threads and background tasks to see if any workflows or rules are stuck running in the background.
Keep an eye on the logs for signs of overloaded thread pools, heavy debug logging, or frequent cache resets that might be eating up performance.
Lastly, don’t forget to test the network connections between IIQ, the database, and other integrated systems — even small latency issues there can ripple through and make the UI feel slow.

How are you running Tomcat, as a Windows service or using startup.bat? Also, which IIQ and Java versions are you using?

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