jvm gc

[GC (Allocation Failure) [PSYoungGen: 846957K->80895K(884736K)] 848180K->130655K(934912K), 0.1180059 secs] [Times: user=0.56 sys=0.02, real=0.12 secs]
[Full GC (Ergonomics) [PSYoungGen: 80895K->73445K(884736K)] [ParOldGen: 49760K->50175K(80384K)] 130655K->123621K(965120K), [Metaspace: 223733K->148731K(1179648K)], 0.8921992 secs] [Times: user=2.52 sys=0.03, real=0.89 secs]