Sar grapher now displays graphs of total CPU time used. This makes it more obvious of combination of user, system, I/O wait.
Quering Oracle DB version
select * from sys.v_$version;
JVM Heap and Thread Dumps
Thread dump from a running JVM to a file, the -J-64 is 64bit JVMs: jmap -J-d64 -dump:format=b,file=<file> <pid> Thread dump from a running JVM to stderr of the process: kill -3 <pid> Heap dump from a running JVM, the -J-64…