"The huge proliferation of language interest happening just now is the IT community's response to the fact that none of the current mainstream languages is ideal"
"When -XX:+PrintReferenceGC output shows a high Reference reclamation time, enable -XX:+ParallelRefProcEnabled" and "The enemies of latencies are: garbage collection pause (the biggest by far); inter-thread communication; thread context scheduling; synchronization and locks; I/O; algorithmic inefficiencies"