OS/Linux 2016. 5. 2. 13:42

///// Linux

- 시스템 정보 확인

uname -a


-  리눅스 배포판 정보 확인

cat /etc/issue



///// 성능 확인

- CPU 정보 확인

cat /proc/cpuinfo


cat /proc/version


- 메모리 정보 확인

cat /proc/meminfo


cat /proc/net/netlink




///// HDD 용량 확인

df -h




///// 자바 프로세스 확인

1. ps -ef |grep java

2. pgrep java

3. jps



///// JVM

jinfo -flag PermSize <PID>

jmap -permstat <PID>

jmap -heap <PID>



///// Crashes (크래쉬스)

- FILE NAME : hs_err_pid<PID>.log 

- FILE FORMAT :

(1) header

(2) thread

(3) process

(4) system





///// 참조

JVM Error file(crash report):

http://yjacket.tistory.com/61


Why are hs_log_pid log files placed on desktop after a Java crash?:

http://www.java.com/en/download/help/error_hotspot.xml


Java HotSpot VM Options:

http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html#DebuggingOptions


고맙다 JVM, 사과해라 JVM 크래시:

http://d2.naver.com/helloworld/1134732


How to avoid jmap error - Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: Can't attach to the process:

http://sanjeewamalalgoda.blogspot.kr/2014/01/how-to-avoid-jmap-error-error-attaching.html


Java TM 2 Platform, Standard Edition 5.0 Troubleshooting and Diagnostic Guide:

http://www.oracle.com/technetwork/java/jdk50-ts-guide-149808.pdf


Linux에서 생성된 자바 core dump 분석하기:

http://www.tuning-java.com/463


http://becko.tistory.com/62

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