打印heap信息
生成heap信息并生成二进制文件
查看heap二进制文件
访问IP:7000查看heap信息
D:\>jmap -histo 4636 > d:log.log
生成heap信息并生成二进制文件
D:\>jmap -dump:live,format=b,file=d:\log.log 4636
Dumping heap to D:\log.log ...
Heap dump file created
查看heap二进制文件
D:\>jhat log.log
Reading from log.log...
Dump file created Wed Mar 14 12:01:45 CST 2012
Snapshot read, resolving...
Resolving 6762 objects...
Chasing references, expect 1 dots.
Eliminating duplicate references.
Snapshot resolved.
Started HTTP server on port 7000
Server is ready.
访问IP:7000查看heap信息
本文介绍如何使用jmap和jhat工具打印Java进程4636的heap信息,并生成二进制文件。通过命令行操作,可以创建heap dump文件并启动HTTP服务器进行在线分析。
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