Yes
I managed to improve some applications of ours from several garbage collections per second to several minutes between collections
motoboi on Hacker News
improve some applications of ours from several garbage collections per second to several minutes between collections
In the thread “Why low-latency Java still requires discipline?”
Helped: Connecting to running app to record and analyze allocations.
… Just ask the agent to connect to the running application (on kubernetes or whatever) on prod and do a java flight recording then analyze allocations. I managed to improve some applications of ours from several garbage collections per second to several minutes between collections. That _really_ improves p99.