GC日志分析 程序代码: public class JvmTest { public static void main(String[] args) { int m = 1024 * 1024; byte[] b = new byte[2 * m]; System.out.println("allocate 2M"); byte[] b1 = new byte[2 * m]; System.out.println("allocate 2M"); byte[] b2
早上到公司,发现邮箱内有报警信息显示CPU和IO使用都已超标.报警内容如下:主机: test-server-192.168.1.18 时间: 2015.11.15 15:25:17状态: PROBLEM 级别:Warning报警原因: Processor load is too high on test-server内容: Processor load (1 min average per core):value=52.53原始事件ID: 30605 主机: test-server-192.16
一. Jboss后台启动:添加后台修改命令:vi run.shwhile true; do if [ "x$LAUNCH_JBOSS_IN_BACKGROUND" = "x" ]; then # Execute the JVM in the foreground nohup "$JAVA" $JAVA_OPTS \ -Djava.endorsed.dirs="$JBOSS_ENDOR
Java Performance Optimization by: Pierre-Hugues Charbonneau reference:http://refcardz.dzone.com/refcardz/java-performance-optimization Java is among the most widely used programming languages in the software development world today. Java applications