On Monday 30 of July 2012, Nikolay Kоvshov wrote: > - JNA is not installed on both machines
So your GC times may be strongly [1] affected by swapping. IIRC, also snapshotting is more expensive and may trigger more swapping. I would start with turning JNA mlockall on [2]. [1]: Not sure if up to numbers you presented ( many seconds)... [2]: INFO [main] 2012-07-27 12:18:27,135 CLibrary.java (line 109) JNA mlockall successful -- Mateusz Korniak
