Might sound like a weird question but I think it can be informative. Inspired when I was reading this thread - https://stackoverflow.com/questions/6470651/how-can-i-create-a-memory-leak-in-java Ignition uses jython and normally handles threading on its own unless told otherwise, so the ways descri…

One that comes to mind would be a long-lived async thread. As @pturmel has mentioned on more than one occasion, you need to interrupt and replace/merge the thread when calling it a second time to prevent creating more than a single instance.

[image] Ignition server memory increasing Ignition Firing off async threads without a means to kill off. A single jython async thread stuck in an infinite wait or infinite loop will hold the entire old interpreter in memory after a scripting restart. Opening python socke…

How to create a memory leak in Ignition?

Ignition

lrose March 3, 2021, 2:29pm 3