用jmeter简单发送http请求
然后点击上面的绿色运行按钮就可以测试了,测试的返回内容可以在结果树中查看。
-Xloggc:gc.log
-XX:+PrintGCDetails
-XX:+HeapDumpOnOutOfMemoryError
-XX:PermSize=32M
-XX:+UserSerialGC 这个不支持
-XX:Xmx32M 这两个要通过输入框来设置
-XX:Xms32M 这两个要通过输入框来设置
如果不能启动可以到logs/tomcat6-stderr.2017-04-01.log下查找日志
2017-04-01 00:20:44 Commons Daemon procrun stderr initialized
Invalid maximum heap size: -Xmx128M
2017-04-01 00:21:35 Commons Daemon procrun stderr initialized
Invalid maximum heap size: -Xmx256M
2017-04-01 00:40:30 Commons Daemon procrun stderr initialized
Unrecognized VM option '+UserSerialGC'
日志位置C:\Program Files\Apache Software Foundation\Tomcat 6.0\gc.log
1.461: [GC [PSYoungGen: 8192K->1314K(9536K)] 8192K->1322K(31424K), 0.0206433 secs] [Times: user=0.00 sys=0.00, real=0.02 secs]
2.736: [GC [PSYoungGen: 9506K->1312K(9536K)] 9514K->3060K(31424K), 0.0996004 secs] [Times: user=0.02 sys=0.00, real=0.10 secs]
3.549: [GC [PSYoungGen: 9504K->1328K(9536K)] 11252K->3880K(31424K), 0.0391121 secs] [Times: user=0.06 sys=0.00, real=0.04 secs]
3.996: [GC [PSYoungGen: 9520K->1328K(9536K)] 12072K->5076K(31424K), 0.0787840 secs] [Times: user=0.00 sys=0.00, real=0.08 secs]
93.832: [GC [PSYoungGen: 9520K->1328K(9536K)] 13268K->6995K(31424K), 0.0247348 secs] [Times: user=0.05 sys=0.00, real=0.02 secs]
94.909: [GC [PSYoungGen: 9520K->1328K(5056K)] 15187K->7043K(26944K), 0.4646792 secs] [Times: user=0.02 sys=0.00, real=0.47 secs]
95.767: [GC [PSYoungGen: 5040K->928K(7296K)] 10755K->7128K(29184K), 0.3963281 secs] [Times: user=0.02 sys=0.00, real=0.40 secs]
96.462: [GC [PSYoungGen: 4640K->448K(7296K)] 10840K->7166K(29184K), 0.0757406 secs] [Times: user=0.00 sys=0.00, real=0.08 secs]
96.923: [GC [PSYoungGen: 4160K->160K(7296K)] 10878K->7219K(29184K), 0.0634681 secs] [Times: user=0.00 sys=0.00, real=0.06 secs]
97.214: [GC [PSYoungGen: 3871K->128K(7296K)] 10930K->7211K(29184K), 0.0844033 secs] [Times: user=0.00 sys=0.00, real=0.08 secs]
97.576: [GC [PSYoungGen: 3840K->128K(7296K)] 10923K->7227K(29184K), 0.0763943 secs] [Times: user=0.00 sys=0.00, real=0.08 secs]
97.835: [GC [PSYoungGen: 3840K->96K(7296K)] 10939K->7219K(29184K), 0.0637130 secs] [Times: user=0.00 sys=0.00, real=0.06 secs]
98.059: [GC [PSYoungGen: 3808K->128K(7296K)] 10931K->7283K(29184K), 0.0416929 secs] [Times: user=0.00 sys=0.00, real=0.04 secs]
98.297: [GC [PSYoungGen: 3840K->160K(7296K)] 10995K->7339K(29184K), 0.0408608 secs] [Times: user=0.00 sys=0.00, real=0.04 secs]
98.508: [GC [PSYoungGen: 3872K->128K(7296K)] 11051K->7339K(29184K), 0.0107179 secs]