arthas监控Java程序性能
一、下载arthas
wget https://alibaba.github.io/arthas/arthas-boot.jar
二、监控进程
java -jar arthas-boot.jar --repo-mirror aliyun --use-http
执行命令后选择要监控的进程
java -jar arthas-boot.jar --repo-mirror aliyun --use-http
[INFO] arthas-boot version: 3.6.1
[INFO] Found existing java process, please choose one and input the serial number of the process, eg : 1. Then hit ENTER.
* [1]: 10312 org.apache.kafka.connect.cli.ConnectDistributed
1
[INFO] Start download arthas from remote server: http://arthas.aliyun.com/download/3.6.2?mirror=aliyun
[INFO] Download arthas success.
[INFO] arthas home: /root/.arthas/lib/3.6.2/arthas
[INFO] Try to attach process 10312
[INFO] Attach process 10312 success.
[INFO] arthas-client connect 127.0.0.1 3658
,---. ,------. ,--------.,--. ,--. ,---. ,---.
/ O \ | .--. ''--. .--'| '--' | / O \ ' .-'
| .-. || '--'.' | | | .--. || .-. |`. `-.
| | | || |\ \ | | | | | || | | |.-' |
`--' `--'`--' '--' `--' `--' `--'`--' `--'`-----'
wiki https://arthas.aliyun.com/doc
tutorials https://arthas.aliyun.com/doc/arthas-tutorials.html
version 3.6.2
main_class
pid 10312
time 2022-06-21 15:29:09
三、dashboard
dashboard
Memory used total max usage GC
heap 257M 1017M 1820M gc.ps_scavenge.count 337328
ps_eden_space 27M 326M 668M 4.06% gc.ps_scavenge.time( 2131508
ps_survivor_space 1M 7M 7M ms)
ps_old_gen 228M 683M 1365M 631
nonheap 97M 99M -1 gc.ps_marksweep.time 44030
code_cache 39M 40M 240M (ms)
metaspace 51M 53M -1
compressed_class_ 5M 6M 1024M 0.55%
space
Runtime
os.name Linux
os.version 3.10.0-1160.11.1.el7.x86_64
java.version 1.8.0_181
java.home /usr/java/jdk1.8.0_181-amd64/jre
systemload.average 0.17
processors 16
timestamp/uptime Tue Jun 21 16:32:49 CST 2022/2869716s
ID NAME GROUP PRIORI STATE %CPU DELTA_ TIME INTERR DAEMON
39 PollableSourceRunner main 5 RUNNAB 5.28 0.263 1637: false false
36 SinkRunner-PollingRu main 5 TIMED_ 0.72 0.036 332:4 false false
10 Timer-for-arthas-das system 5 RUNNAB 0.61 0.030 0:18. false true
42 kafka-coordinator-he main 5 TIMED_ 0.03 0.001 11:7. false true
16 hdfs-sink1-call-runn main 5 WAITIN 0.02 0.000 1:0.4 false false
46 hdfs-sink1-call-runn main 5 WAITIN 0.02 0.000 0:59. false false
-1 VM Periodic Task Thr - -1 - 0.02 0.000 8:30. false true
56 hdfs-sink1-call-runn main 5 WAITIN 0.02 0.000 0:59. false false
52 hdfs-sink1-call-runn main 5 WAITIN 0.02 0.000 0:59. false false
13 hdfs-sink1-call-runn main 5 WAITIN 0.02 0.000 0:59. false false
47 hdfs-sink1-call-runn main 5 WAITIN 0.02 0.000 1:0.4 false false
35 hdfs-sink1-call-runn main 5 WAITIN 0.01 0.000 1:0.5 false false
33 hdfs-sink1-call-runn main 5 WAITIN 0.01 0.000 0:59. false false
34 hdfs-sink1-call-runn main 5 WAITIN 0.01 0.000 1:0.1 false false
48 hdfs-sink1-call-runn main 5 WAITIN 0.01 0.000 1:0.4 false false
四、火焰图
[arthas@25575]$ profiler start
Profiling started
[arthas@25575]$ profiler getSamples
291
[arthas@25575]$ profiler status
Profiling is running for 39 seconds
[arthas@25575]$ profiler stop
OK
profiler output file: /data/src/flume/teflume-prod/apache-flume-1.9.0-bin/arthas-output/20220621-161810.html
