文章目录
- 二、命令列表
- 2.1 jvm相关命令
- 2.1.3 jvm（查看当前JVM的信息）
二、命令列表
2.1 jvm相关命令
2.1.3 jvm（查看当前JVM的信息）
基础语法：
jvm
[arthas@18139]$ jvmRUNTIME
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MACHINE-NAME 18139@localhost.localdomain JVM-START-TIME 2024-09-12 09:54:18 MANAGEMENT-SPEC-VERSION 1.2 SPEC-NAME Java Virtual Machine Specification SPEC-VENDOR Oracle Corporation SPEC-VERSION 1.8 VM-NAME Java HotSpot(TM) 64-Bit Server VM VM-VENDOR Oracle Corporation VM-VERSION 25.121-b13 INPUT-ARGUMENTS -Xmx3g -Xms3g -Xmn1152mCLASS-PATH .:/home/ems/ems_eam/../:/home/ems/ems_eam/lib/spring-webmvc-4.2.3.RELEASE.jar
BOOT-CLASS-PATH /home/ems/3rdparty/java/jre/lib/resources.jar:/home/ems/3rdparty/java/jre/lib/rt.jar:/home/ems/3rdparty/java/jre/lib/sunrsasign.jar:/home/ems/3rdparty/java/jre/lib/ jsse.jar:/home/ems/3rdparty/java/jre/lib/jce.jar:/home/ems/3rdparty/java/jre/lib/charsets.jar:/home/ems/3rdparty/java/jre/lib/jfr.jar:/home/ems/3rdparty/java/jre/cl asses LIBRARY-PATH /home/ems/ems_eam/lib
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CLASS-LOADING
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------LOADED-CLASS-COUNT 17497 TOTAL-LOADED-CLASS-COUNT 17497 UNLOADED-CLASS-COUNT 0 IS-VERBOSE false
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------COMPILATION
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------NAME HotSpot 64-Bit Tiered Compilers TOTAL-COMPILE-TIME 138561(ms)
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GARBAGE-COLLECTORS
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ParNew 38/1969(ms) [count/time] ConcurrentMarkSweep 3/313(ms) [count/time]
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MEMORY-MANAGERS
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CodeCacheManager Code Cache Metaspace Manager Metaspace Compressed Class Space ParNew Par Eden Space Par Survivor Space ConcurrentMarkSweep Par Eden Space Par Survivor Space CMS Old Gen
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MEMORY
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HEAP-MEMORY-USAGE 2919235584(2.7 GiB)/3221225472(3.0 GiB)/2919235584(2.7 GiB)/561145840(535.2 MiB) [committed/init/max/used] NO-HEAP-MEMORY-USAGE 192172032(183.3 MiB)/2555904(2.4 MiB)/-1(-1 B)/187781984(179.1 MiB) [committed/init/max/used] PENDING-FINALIZE-COUNT 0
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------OPERATING-SYSTEM
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------OS Linux ARCH amd64 PROCESSORS-COUNT 8 LOAD-AVERAGE 0.07 VERSION 3.10.0-1160.el7.x86_64
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------THREAD
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------COUNT 286 DAEMON-COUNT 38 PEAK-COUNT 295 STARTED-COUNT 5190 DEADLOCK-COUNT 0
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FILE-DESCRIPTOR
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------MAX-FILE-DESCRIPTOR-COUNT 10240 OPEN-FILE-DESCRIPTOR-COUNT 913
Affect(row-cnt:0) cost in 15 ms.
[arthas@18139]$
