Summary of Java WEB application performance problem positioning method (2): common performance problem processing tools

Others 2022-05-16 22:02:50 views: 0

parameter check

jinfo

Thread stack:

jstack

kill -3/CTRL+BREAK

Heap analysis:

jmap -heap

jmap -histo

Memory dump.bin, analyzed with HeapAnalyser

GC：

gc.log, analyzed using GCViewer or JMeter

jstat

CPU：

sar

top

The internet:

netstat

ifconfig

I / O ：

vmstat

iostat

JVM comprehensive analysis:

JConsole

JProfiler

JOptimizer/Optimizeit

JVMStat

JVisualVM

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