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schnell18/jperf_collection.sh

Last active August 29, 2015 14:16
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Random Java Performance Tuning scripts
Raw
jperf_collection.sh
# make a thread dump
ps -ef |grep <your_java_process_cmd>
jstack <your_java_process_PID> > java_thread_dump.txt
# print Oracle Hotspot JVM effective flags
java -XX:PrintFlagsFinal > effective_flags.txt 2>/dev/null
# dump all Oracle Hotspot JVM effective flags for running Java Proccess
jcmd <mail_class|PID> VM.flags -all
# list non-default Oracle Hotspot JVM flags for running Java Proccess
jcmd <mail_class|PID> VM.flags -all | grep ":="
# trigger full GC for running Java Process
jcmd <mail_class|PID> GC.run
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