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 2020-6-29  
 
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±¾ÎÄÀ´×ÔÓÚcsdn£¬ÓÉ»ðÁú¹ûÈí¼þAlice±à¼­¡¢ÍƼö¡£

1.ǰÑÔ£º

ÎÒÃÇµÄ¼à¿ØÏµÍ³ÊÇzabbix£¬×î½ü¸Õ×öÍêjvm»¹ÓÐtomcatµÄ¼à¿Ø£¬ÐèҪͲÛÒÔÏÂÄÚÈÝ£º

zabbix¹Ù·½ÌṩµÄjvmºÍtomcat¼à¿ØÄ£°æ£¬´æÔÚitemÊéд¸ñʽµÄ¿Ó£¬µ¼ÖºܶàÄÚÈÝÎÞ·¨»ñÈ¡µ½¼à¿Ø¡£

ÍøÓÑдµÄzabbix¼à¿ØjavaÎÄÕ£¬99%¾ÍÖ»Óл·¾³µÄ´î½¨£¬Ã»ÓÐzabbix item¼üÖµ£¬ËùÒÔ»·¾³¼à¿ØÉÏÁË£¬item¼üÖµ²»ÖªµÀÔõôд¡£

±¾ÎÄ¼à¿ØjvmÄÚÈÝÈçÏ£º

ÄÚ´æÊ¹ÓÃ״̬£º¶ÑÄڴ棨Heap memory£©ºÍ·Ç¶ÑÄڴ棨No Heap memory£©£¬°üÀ¨ÒÑÓÃÖµ¡¢×î´óÖµ¡¢ÒÑÌá½»£»

¶ÑÄÚ´æÄÚ´æ³Ø£ºÐÂÉú´ú£¨eden space£©£¬survivor space,ÀÏÄê´ú£¨old gen£©µÄÄÚ´æÊ¹ÓÃ״̬£»

·Ç¶ÑÄÚ´æÄÚ´æ³Ø£º´úÂ뻺´æ£¨Code cache£©£¬Ôª¿Õ¼ä£¨meta space£©£¬Ñ¹ËõÀà¿Õ¼ä£¨compressed class space£©£»

Àà¼ÓÔØ£º¼ÓÔØ×ÜÊý£¬ÒѼÓÔØ£¬ÒÑÐ¶ÔØ¡£

JavaỊ̈߳º×Ü¿ªÆôỊ̈߳¬»î¶¯Ị̈߳¬Ï̷߳åÖµ¡£

±¾ÎÄ¼à¿ØtomcatÄÚÈÝÈçÏ£º

TomcatÇëÇóÊý£º°üÀ¨Ã¿ÃëÇëÇóÊý£¬Ã¿Ãë³ö´íÊý£»

TomcatÍøÂçÁ÷Á¿Í³¼Æ£º°üÀ¨½øÁ÷Á¿Í³¼Æ£¬³öÁ÷Á¿Í³¼Æ£»

TomcatỊ̈߳º°üÀ¨×î´óÏß³ÌÊý£¬µ±Ç°Ïß³ÌÊý£¬µ±Ç°·±Ã¦Ïß³ÌÊý¡£

ÎÒûÓÐÔÚzabbixÖÐÌí¼ÓÀ¬»ø»ØÊÕ£¨gc£©µÄ¼à¿Ø£¬¶øÊÇÔÚcatalinaÅäÖÃÀïÃæÌí¼ÓgcÈÕÊäÈëÀ´¸ø¿ª·¢½øÐзÖÎö£¬ÉèÖ÷½Ê½ÈçÏ¡£

CATALINA_OPTS=¡±-XX:ParallelGCThreads=4 -XX:+PrintGCDetails -Xloggc:ÈÕÖ¾´æ·Å·¾¶¡±

¼à¿ØÐ§¹ûÈçÏ£º

2.¼à¿Ø»·¾³´î½¨

»·¾³½éÉÜ£º

[root@tomcat-01 ~]# /usr/local/tomcat/bin/version.sh
Server version: Apache Tomcat/8.0.23
Server built: May 19 2015 14:58:38 UTC
Server number: 8.0.23.0
OS Name: Linux
OS Version: 2.6.32-573.22.1.el6.x86_64
Architecture: amd64
JVM Version: 1.8.0_65-b17
JVM Vendor: Oracle Corporation

 

2.1.Server¶ËÅäÖÃ

1¡¢ Zabbix server¶Ë°²×°java jdk»·¾³²¢¿ªÆôjavaGatewayÖ§³Öjava¼à¿Ø¡£

javaGateway ÆôÓ÷½Ê½ÈçÏ£º

Zabbixͨ¹ýrpm°ü°²×°£ºÖ»ÐèÒª°²×°zabbix-java-gateway°ü¼´¿É¡£

Zabbixͨ¹ý±àÒë°²×°£ºÔÚ±àÒëʱÐèÒª¼ÓÉÏ¡ªenable-javaÒÔÖ§³Öjmx¼à¿Ø£¬Èç¹û֮ǰû¼ÓÐèÒªÖØÐ±àÒë¡£

2¡¢ÐÞ¸Äzabbix-java-gatewayÅäÖÃÎļþ

[root@zabbix ~]# vim /etc/zabbix/zabbix_java_gateway.conf
LISTEN_IP="192.168.10.3"
LISTEN_PORT=10052
PID_FILE="/var/run/zabbix/zabbix_java.pid"
START_POLLERS=5

ÐÞ¸Äzabbix-serverÅäÖÃÎļþ

[root@zabbix ~]# vim /etc/zabbix/zabbix_server.conf
JavaGateway=192.168.10.3
JavaGatewayPort=10052
StartJavaPollers=5

2.2.Tomcat·þÎñÆ÷ÅäÖÃ

1¡¢ÏÂÔØcatalina-jmx-remote.jar°ü£¬µ½tomcat°²×°Ä¿Â¼ÏµÄlibĿ¼

wget -O /usr/local/tomcat/lib/catalina-jmx-remote.jar http://archive.apache.org/dist/tomcat/tomcat-8/v8.0.23/bin/extras/catalina-jmx-remote.jar

2¡¢ÐÞ¸Äcatalina.shÌí¼ÓÈçÏÂÄÚÈÝ

CATALINA_OPTS="$CATALINA_OPTS -Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port =8090
-Dcom.sun.management.jmxremote.ssl =false
-Dcom.sun.management.jmxremote.authenticate =false"

3¡¢ÖØÆôtomcat

4¡¢¼à¿Ø²âÊÔ

£¨1£©ÏÂÔØcmdline-jmxclient-0.10.3.jarÎļþ£¬ÏÂÔØµØÖ·http://crawler.archive.org/cmdline-jmxclient/downloads.html

£¨2£©±¾µØÖ´ÐÐÈçÏÂÃüÁî²é¿´tomcatµÄ¶ÑÄÚ´æÐÅÏ¢

[root@tomcat-01 ~]# java -jar /root/cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:type =Memory HeapMemoryUsage
11/04/2016 15:23:16 +0800 org.archive.jmx.Client HeapMemoryUsage:
committed: 2146959360
init: 2147483648
max: 2146959360
used: 407611808

3.¼à¿ØÊý¾Ý²É¼¯

3.1.¶ÑÄÚ´æ

Tomcat±¾µØ²é¿´¶ÑÄÚ´æÐÅÏ¢£º

[root@tomcat-01 ~]# java -jar cmdline -jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type =Memory HeapMemoryUsage
11/04/2016 15:36:58 +0800 org.archive.jmx.Client HeapMemoryUsage:
committed: 2145910784
init: 2147483648
max: 2145910784
used: 741540536

zabbix¼à¿Ø¶ÑÄÚ´æ¼üÖµ£º

¶ÑÄÚ´æ×î´óÖµ£º jmx["java.lang:type=Memory", "HeapMemoryUsage.max"]
ÒÑÓöÑÄڴ棺 jmx["java.lang:type=Memory"," HeapMemoryUsage.used"]
ÒÑÌá½»¶ÑÄڴ棺 jmx["java.lang:type=Memory", "HeapMemoryUsage.committed"]

Ò»¸öÍêÕûµÄzabbix itemÌîд·½Ê½ÈçÏÂ,²»Í¬ÄÚÈÝÌîд²»Í¬µÄ¼üÖµ¼´¿É£º

3.2.ÄÚ´æ³Øeden space:

Tomcat±¾µØ²é¿´eden space£º

java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:type =MemoryPool,name=PS\ Eden\ Space Usage

zabbix¼à¿ØedenÇøÓò¼üÖµ£º

×î´ó¿Õ¼ä£º jmx["java.lang:type=MemoryPool,name=PS Eden Space",Usage.max]
ÒÑÓÿռ䣺 jmx["java.lang:type=MemoryPool,name=PS Eden Space",Usage.used]
Ìá½»¿Õ¼ä£º jmx["java.lang:type=MemoryPool,name=PS Eden Space",Usage.committed]

3.3.ÄÚ´æ³Øsurvivor space:

Tomcat±¾µØ²é¿´Survivor spaceÇøÓò£º

java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:type=MemoryPool,name=PS\ Survivor\ Space Usage

zabbix¼à¿ØSurvivor ¼üÖµ£º

jmx["java.lang:type=MemoryPool, name=PS Survivor Space",Usage.committed]
jmx["java.lang:type=MemoryPool, name=PS Survivor Space",Usage.max]
jmx["java.lang:type=MemoryPool, name=PS Survivor Space",Usage.used]

3.4.ÄÚ´æ³Øold gen:

Tomcat±¾µØ²é¿´old genÇøÓòʹÓãº

java -jar cmdline-jmxclient -0.10.3.jar - 127.0.0.1:8090 java.lang:name =PS\ Old\ Gen,type=MemoryPool Usage

zabbix¼à¿Øold gen¼üÖµ£º

jmx["java.lang:type=MemoryPool, name=PS Old Gen",Usage.committed]
jmx["java.lang:type=MemoryPool, name=PS Old Gen",Usage.max]
jmx["java.lang:type=MemoryPool, name=PS Old Gen",Usage.used]

3.5.·Ç¶ÑÄÚ´æ:

Tomcat ±¾µØ²é¿´·Ç¶ÑÄÚ´æÊ¹Óãº

java -jar cmdline-jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type=Memory NonHeapMemoryUsag1
zabbix¼à¿Ø·Ç¶ÑÄÚ´æÊ¹ÓÃ
1jmx["java.lang:type=Memory","NonHeapMemoryUsag.committed"]
jmx["java.lang:type=Memory","NonHeapMemoryUsag.used"]

3.6.ÄÚ´æ³Ømeta space:

Tomcat ±¾µØ²é¿´meta spaceÇøÓòʹÓãº

java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:type=MemoryPool,name=Metaspace Usage

zabbix¼à¿Ømete spaceÇøÓò¼üÖµ

jmx["java.lang:type=MemoryPool, name=Metaspace",Usage.committed]
jmx["java.lang:type=MemoryPool, name=Metaspace",Usage.used]

3.7.ÄÚ´æ³Øcode cache:

Tomcat ±¾µØ²é¿´code cacheÇøÓòʹÓãº

java -jar cmdline- jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:type=MemoryPool,name=Code\ Cache Usage

zabbix¼à¿Øcode cacheÇøÓòʹÓãº

jmx["java.lang:type=MemoryPool, name=Code Cache",Usage.committed]
jmx["java.lang:type=MemoryPool, name=Code Cache",Usage.max]
jmx["java.lang:type=MemoryPool, name=Code Cache",Usage.used]

3.8.ÄÚ´æ³Øcompressed class space:

Tomcat ±¾µØ²é¿´compressed class spaceÇøÓòʹÓãº

java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:type=MemoryPool,name=Compressed\ Class\ Space Usage

zabbix¼à¿Ø compressed class spaceÇøÓòʹÓüüÖµ£º

jmx["java.lang:type=MemoryPool, name=Compressed Class Space",Usage.committed]
jmx["java.lang:type=MemoryPool, name=Compressed Class Space",Usage.max]
jmx["java.lang:type=MemoryPool, name=Compressed Class Space",Usage.used]

3.9.Àà¼ÓÔØ:

Tomcat±¾µØ²é¿´Àà¼ÓÔØÐÅÏ¢£º

¼ÓÔØ×ÜÊý£º java -jar cmdline-jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type= ClassLoading TotalLoadedClassCoun
ÒѼÓÔØ£º java -jar cmdline-jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type= ClassLoading LoadedClassCount
ÒÑÐ¶ÔØ£º java -jar cmdline-jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type= ClassLoading UnloadedClassCount

Zabbix¼à¿ØÀà¼ÓÔØ¼üÖµ£º

¼ÓÔØ×ÜÊý£º jmx["java.lang:type= ClassLoading", "TotalLoadedClassCount"]
ÒѼÓÔØ£º jmx["java.lang:type= ClassLoading", "LoadedClassCount"]
ÒÑÐ¶ÔØ£º jmx["java.lang:type= ClassLoading", "UnloadedClassCount"]

3.10.javaỊ̈߳º

tomcat±¾µØ²é¿´javaỊ̈߳º

×Ü¿ªÆôỊ̈߳º java -jar cmdline-jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type= Threading TotalStartedThreadCount
»î¶¯Ị̈߳º java -jar cmdline- jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type= Threading PeakThreadCount
Ï̷߳åÖµ£º java -jar cmdline- jmxclient-0.10.3.jar controlRole:tomcat 127.0.0.1:8090 java.lang:type= Threading PeakThreadCount

Zabbix¼à¿ØjavaÏ̼߳üÖµ£º

×Ü¿ªÆôỊ̈߳º jmx["java.lang:type= Threading"," TotalStartedThreadCount"]
»î¶¯Ị̈߳º jmx["java.lang:type= Threading", "ThreadCount"]
Ï̷߳åÖµ£º jmx["java.lang:type= Threading", "PeakThreadCount"]

3.11.tomcatỊ̈߳º

±¾µØ²é¿´tomcatÏß³ÌÐÅÏ¢£º

×î´óỊ̈߳ºjava -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 Catalina:name=\"http-nio-8080\",type= ThreadPool maxThreads
µ±Ç°Ị̈߳ºjava -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 Catalina:name= \"http-nio-8080\",type=ThreadPool currentThreadCount
·±Ã¦Ị̈߳ºjava -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 Catalina:name=\"http-nio-8080\",type= ThreadPool currentThreadsBusy

Zabbix¼à¿ØtomcatÏ̼߳üÖµ£º

×î´óỊ̈߳ºjmx["Catalina:type =ThreadPool,name =\"http-nio-8080\"",maxThreads]
µ±Ç°Ị̈߳ºjmx["Catalina:type =ThreadPool,name =\"http-nio-8080\"",currentThreadCount]
·±Ã¦Ïß³Ì jmx["Catalina:type =ThreadPool,name =\"http-nio-8080\"",currentThreadsBusy]

3.12.ÍøÂçÁ÷Á¿£º

Tomcat±¾µØ²é¿´½ÓÊÕµÄ×Ö½Ú£º

½ÓÊÕµÄ×Ö½Ú£ºjava -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 Catalina:name=\"http-nio-8080\",type =GlobalRequestProcessor bytesReceived
·¢Ë͵Ä×Ö½Ú£ºjava -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 Catalina:name = \"http-nio-8080\",type=GlobalRequestProcessor bytesSent

Zabbix¼à¿Øtomcat½ÓÊÜ×Ö½Ú¼üÖµ£º

½ÓÊÕµÄ×Ö½Ú£ºjmx["Catalina:type =GlobalRequestProcessor,name =\"http-nio-8080\"",bytesReceived]
·¢Ë͵Ä×Ö½Ú£ºjmx["Catalina:type =GlobalRequestProcessor,name =\"http-nio-8080\"",bytesSent]

3.13.tomcatÇëÇ󣬳ö´íÇëÇó£º

tomcat±¾µØ²é¿´tomcatÇëÇóÊý£º

tomcatÇëÇóÊý£º java -jar cmdline-jmxclient-0.10.3.jar - 192.168.10.46:8090 Catalina:name =\"http-nio-8080\",type=GlobalRequestProcessor requestCount
tomcat³ö´íÇëÇó£º java -jar cmdline-jmxclient-0.10.3.jar - 192.168.10.46:8090 Catalina:name =\"http-nio-8080\", type=GlobalRequestProcessor errorCount

zabbix¼à¿ØtomcatÇëÇóÊý£º

tomcatÇëÇóÊý£º jmx["Catalina:type= GlobalRequestProcessor,name= \"http-nio-8080\"",requestCount]
tomcat³ö´íÇëÇó£º jmx["Catalina:type= GlobalRequestProcessor,name=\"http-nio-8080\"",errorCount]

4.¹ØÓÚÍøÓÑÎÊÌâµÄ½â´ð

×î½üÓÐÍøÓÑÁªÏµÎÒ˵£¬¿´×ÅÎҵIJ©ÎĴÍêÁË»·¾³£¬»ñÈ¡²»µ½Êý¾Ý£¬ÎÒ°ïÖúÅŲéÁËһϣ¬ÕÒµ½ÁËÎÊÌâËùÔÚ£¬Ìش˼Ǽ¡£

ÍøÓѵı¨´íÈçÏ£º

# java -jar /root/cmdline- jmxclient-0.10.3.jar - 127.0.0.1:9080 java.lang:type= MemoryPool,name=PS\ Eden\ Space Usag
11/11/2016 10:03:37 +0800
org.archive.jmx.Client java.lang:name= PS Eden Space,type= MemoryPool is not a registered bean

4.1.½â¾ö˼·

Èç¹ûÄãʹÓÃÃüÁîÐÐ¼à¿Ø»ñÈ¡²»µ½Êý¾Ý£¬ÄÇô¾ÍÏÈʹÓÃjconsole¿´¿´ÓÐûÓÐÊý¾Ý£¬Èç¹ûjconsoleÓÐÊý¾Ý£¬ÄÇô¾ÍÍùÏ¿´£¬·´Ö®¼ì²éÄãµÄ»·¾³¡£

Èç¹ûjconsoleÓÐÊý¾Ý£¬µ«ÊÇÃüÁîÐÐûÓÐÊý¾Ý£¬ÄÇô¾ÍÊÇMbeanµÄObject Name»òÕßÊôÐÔÓÐÎÊÌâ£¬ÍøÓѶ¼ÊǸ´ÖÆÎҵ쬵«ÊÇ×Ô¼º±¾µØ»·¾³ºÍÎҵĻ·¾³²»Ò»ÑùËùÒÔµ¼Ö»ñÈ¡²»µ½Êý¾Ý£¬²éѯ×Ô¼ºµÄ±¾µØMbean·½·¨ÓÐÁ½ÖÖ£¬·Ö±ðÊÇͼÐκÍÃüÁîÐУ¬ÍøÓѵı¨´í˵ÊÂ×Ô¼ºµÄEden Space¿Õ¼äÓÐÎÊÌ⣬ÄÇôÎÒ¾ÍÌù³öÀ´²é¿´±¾µØÄÚ´æ³ØµÄObject NameºÍÊôÐԵķ½·¨¡£

£¨1£©Í¨¹ýjconsole²é¿´£º

£¨2£©Í¨¹ýÃüÁîÐв鿴£ºÖ±½ÓʹÓÃjava -jar cmdline-jmxclient-0.10.3.jar ¨C 127.0.0.1:8090ÃüÁî¿ÉÒÔ»ñÈ¡ËùÓеÄMbeanÐÅÏ¢£¬Êä³öÌ«¶àÕâÀï¾Í²»ÌùÊä³ö½á¹ûÁË¡£ÎÒͨ¹ýgrepÃüÁî»ñÈ¡ËùÓÐÄÚ´æ³ØµÄ¼à¿ØÐÅÏ¢·½Ê½ÈçÏ¡£

[root@tomcat-01 ~]# java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 | grep MemoryPool
java.lang:name= Compressed Class Space,type=MemoryPool
java.lang:name= Metaspace,type=MemoryPool
java.lang:name= PS Old Gen,type=MemoryPool
java.lang:name= PS Eden Space,type=MemoryPool
java.lang:name= PS Survivor Space,type=MemoryPool
java.lang:name= Code Cache,type=MemoryPool

È»ºóÎÒÒª»ñÈ¡Eden SpaceµÄËùÓÐÊôÐÔÐÅÏ¢·½Ê½ÈçÏ£º£¨Ò»Ð©ÌØÊâ×Ö·ûÐèҪתÒ壩

[root@tomcat-01 ~]# java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:name= PS\ Eden\ Space,type=MemoryPool
Attributes:
Usage: Usage (type=javax.management.openmbean.CompositeData)
PeakUsage: PeakUsage (type=javax.management.openmbean.CompositeData)
MemoryManagerNames: MemoryManagerNames (type=[Ljava.lang.String;)
UsageThreshold: UsageThreshold (type=long)
UsageThresholdExceeded: UsageThresholdExceeded (type=boolean)
UsageThresholdCount: UsageThresholdCount (type=long)
UsageThresholdSupported: UsageThresholdSupported (type=boolean)
CollectionUsageThreshold: CollectionUsageThreshold (type=long)
CollectionUsageThresholdExceeded: CollectionUsageThresholdExceeded (type=boolean)
CollectionUsageThresholdCount: CollectionUsageThresholdCount (type=long)
CollectionUsage: CollectionUsage (type=javax.management.openmbean.CompositeData)
CollectionUsageThresholdSupported: CollectionUsageThresholdSupported (type=boolean)
Valid: Valid (type=boolean)
Name: Name (type=java.lang.String)
Type: Type (type=java.lang.String)
ObjectName: ObjectName (type=javax.management.ObjectName)
Operations:
resetPeakUsage: resetPeakUsage
Parameters 0, return type=void

ÄÇôÎÒÃÇÔڲ鿴Eden Space¿Õ¼äµÄʹÓÃÐÅÏ¢¡£¾Í¿´µ½ÒѾ­³öÀ´Êý¾ÝÁË

[root@tomcat-01 ~]# java -jar cmdline-jmxclient-0.10.3.jar - 127.0.0.1:8090 java.lang:name=PS\ Eden\ Space,type=MemoryPool Usage
12/03/2016 08:33:58 +0800 org.archive.jmx.Client Usage:
committed: 712507392
init: 537395200
max: 712507392
used: 396006304

 

 
   
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