We are experiencing intermittent latency issue in our web applications, there are 3 web applications deployed on wildly 9 version, there are several http requests which are taking more than 10 seconds, we analyzed tcp dumps and thread dumps, there are NO sign of any issues, but dynatrace trace is pointing the latency in undertow.
I increased the worker IO-threads to 100 and task-max-threads to 320, Many blogs were suggesting to increase task-core-threads, but that attribute is not supported in wildly 9, can you please suggest how to optimize undertow to alleviate this latency, sometimes, loading small js file is taking more than 10 seconds.