Provide an option that launches HBase daemons with the Java Flight Recorder active, with continuous profiling, including allocations (requires custom JFR policy xml), with dump on exit active to well known paths. Also should turn on
-XX:+UnlockDiagnosticVMOptions -XX:+DebugNonSafepoints
for better fidelity when profiling methods. See http://hirt.se/blog/?p-609
Provide an option that launches HBase daemons with the Java Flight Recorder active, with continuous profiling, including allocations (requires custom JFR policy xml), with dump on exit active to well known paths. Also should turn on
for better fidelity when profiling methods. See http://hirt.se/blog/?p-609