Notes - a mobile SRE operation and maintenance system exchange
In 2019, a mobile company shared a note on the transition from a traditional silo IT architecture to an SRE O&M system.
E-Whisper
Case 3: Analysis of memory overflow in Perm area at runtime of a property and casualty insurance company
The customer noticed a sudden memory spike in Jboss and a significant increase in the JVM's GC time. Checking Dynatrace, it was found that the node had already experienced a memory overflow in the Per
Case 2: Analysis of GC overhead overrun problem in the core system of a life insurance company
Alerts are about GC having a large impact on system performance (i.e. the GC overhead of the JVM exceeds the limit) and locate the root cause of the system problem: One is to load a javamelody jar pac
