thrown, 156 uncaught, 44 uncaught statistics, 109
excessive compilation
set threshold for alert, 106 exclude=, 18
exclusive method clock time, 68 exclusive method CPU time, 68 exclusive time, 69
F
features, 12
and JVM version, 197 file
default location for allocation sites statistics data, 198 default location for Xverbosegc data, 198 directories, 15
open, 97
File menu, 97, 140 file name suffix
.eprof, 65
.hpjmeter, 39
.hprof.txt, 65
.vgc, 85 files
comparing, 71, 86 filter
adding to change monitoring preferences, 102 allocation statistics, 127
classes, 18
creating sets of packages or classes, 103 editing to change monitoring preferences, 102 exceptions, 120, 121
excluded packages, 18 JMX MBean list, 53 JMX server list, 53 JVM agent options, 18 packages, 18 performance overhead, 187 specifying, 102
thread list in JMX viewer, 52 types, 36
finalizer
queue growth, 115 find
Edit menu, 140 mark item for, 178 search patterns, 179
firewall
connecting through to node agent, 24 working with tunnel, 21
format
percent time spent, 90 permanent, 88 print data, 80
start from JMX viewer, 51 train algorithm, 88
G
garbage collection activity summary, 89 average allocation rate, 90 average ideal allocation rate, 90 basic concepts , 87
comparing percent time spent, 90 displays, 157
duration alert, 110 duration metric, 124 duration of measurement, 89 event metric, 123
events, 90
forced by JVMTI, 88 heap monitor, 122 HotSpot VM, 123 memory leaks, 43 object persistence, 87
options and corresponding metrics, 85 pauses, 40
percent time spent, 90 percent time spent in full, 90 percentage of spent, 41 percentage spent, 125 program time at beginning, 82 reasons for, 81
residual bytes, 90
size of object allocation, 82 start from JMX viewer, 51
system details tab, 90 System.gc(), 41, 88 thread state, 74 time spent, 90
total bytes allocated, 90 type, 84
types, 87
garbage collection data understanding the use of, 80 viewing, 31
garbage collection viewer behavior, 116
tabs, 116 GC data
collecting with zero preparation, 83 GC event
206 Index