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 CG...

I need to convert z-scores to percentile. I found reference to a function in the jStat library that I could use (jstat.ztest), but the jStat documentation seems to be ahead of the available library...

I need to use jstat to measure some GC parameters of a program. Jstat provides set of parameters ( S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT) From those I am bit confused wi...

I want to use the gc utility to analyse the garbage collection for my Cassandra database. But when I am running jstat command the output comes that bash:jstat: command not found. I searched and fou...

S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT 245760.0 245760.0 33804.8 0.0 1966080.0 364994.1 8028160.0 138003.6 25984.0 25429.9 2944.0 2877.2 8 0.451 2 0.153 0.603 This is...

I'm running jstat -gc (from OpenJDK): # jstat -gc 1 S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT 287744.0 290304.0 88368.6 0.0 1469440.0 787186.5 2162176.0 1805969.7 945432.0 ...

$ jcmd -l 418 sun.tools.jcmd.JCmd -l $ jstat -gcutil -t 10 250ms 1 10 not found I am aware of the bug in jdk related to attaching jstat as root to a process running as a different user. He...

I'm trying to profile remote java app, actually it is a gameserver. It works normally on my local machine (windows XP x64 with JDK1.7.0_02 x64), but behaves very wierd on the production server (Cen...

I'm learning about jstat and what it can tell me about the JVM's different generations. From the jstat docs I understand the new gen is made up of eden, s0 and s1. For example, if you do the math o...

I have this dataset for income: Income Number of people 0 245981 8.8 150444 30 126063 49.9 123519 70 115029 90.7 277149 109.1 355768 130 324246 150.3 353239 170.2 396008 190 396725 210 398640 230...

So every couple of days my java process on Ubuntu is killed automatically, and I can't figure out why. My box has 35.84 GB of RAM, when I launch my Java process I pass it the -Xmx28g parameter, so...

Suddenly I've found out that jstat is deprecated: The jstat tool displays performance statistics for an instrumented HotSpot Java virtual machine (JVM). The target JVM is identified by its vir...

We recently upgraded from JDK6u20 (Linux, 32bit and 64bit) to JDK6u23. Since then, we cannot longer use the tools jstack and jstat to get monitoring information from the running process. If we swit...

I'm trying to analyze GC behaviour for our application (running in Tomcat, under Sun's Hotspots, JVM 1.6). So far I've Instructed the JVM to emit GC logs to a separate file using... -Xloggc:gc.lo...