What's the meaning of “CGC” and “CGCT” in JDK11 “jstat -gc <PID>”?
问题 There are two items called CGC and CGCT. I cannot found the documention and man page describing their meaning. # jstat -gc 139934 S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT CGC CGCT GCT 0.0 15360.0 0.0 15360.0 113664.0 9216.0 88064.0 23552.0 82304.0 80084.2 10112.0 9360.4 10 0.157 0 0.000 6 0.018 0.175 # java -version openjdk version "11.0.2" 2019-01-15 LTS OpenJDK Runtime Environment Corretto-11.0.2.9.3 (build 11.0.2+9-LTS) OpenJDK 64-Bit Server VM Corretto-11.0.2.9.3