Memory
Reading a GC Log Line by Line
One run, one quantity, three answers. The allocation rate everyone derives from the default GC log is ten per cent low, and the log says why if you ask it correctly.
Topic
observability
Articles on “observability”
Diagnostics
JFR: The Events You Actually Need
Sixty seconds of default settings produced 4.3 MB, three quarters of it one event type, and none of it answered whether the application was lock-contended.