jmap dump memory heap
- jmap dump memory heap
jmap -dump:format=b,file=name.bin <process-id>
- open dump file (*.bin, *.hprof) with jvisualvm or Eclipse MAT
- pgrep - find process by name.
# -f , match against full argument list, default against process name. pgrep -f java
- jstat 统计 GC
jstat -gcutil -t 11 2000