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1、安裝ganglia參考之前的一篇博客（以下示例使用ganglia組播方式，單播方式大家自己嘗試）
http://chengyanbin.blog.51cto.com/3900113/1591373
2、安裝jmxtrans
http://chengyanbin.blog.51cto.com/3900113/1654754
3、安裝storm
http://chengyanbin.blog.51cto.com/3900113/1654757
4、修改storm配置文件storm..yaml
###nimbus config nimbus.childopts: "-verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=12345 -Xmx1024m" ###supervisor config supervisor.childopts: "-verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=12346 -Xmx256m"
5、為jmxtrans增加兩個json文件
分別獲取nimbus和supervisor節點的jvm信息，以下文件僅列舉了部分參數，如果有需要可以增加queries中的數據，以監控更多的參數，具體的MBean的參數，可以通過jconsole來查看
nimbus.json
{
"servers": [
{
"host": "master",
"port": "12345",
"queries": [
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "nimbus",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:type=Memory",
"resultAlias": "nimbus.heap",
"attr": [
"ObjectPendingFinalizationCount"
]
},
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "nimbus",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:name=Copy,type=GarbageCollector",
"resultAlias": "nimbus.gc",
"attr": [
"CollectionCount",
"CollectionTime"
]
},
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "nimbus",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:name=Code Cache,type=MemoryPool",
"resultAlias": "nimbus.threads",
"attr": [
"CollectionUsageThreshold",
"CollectionUsageThresholdCount",
"UsageThreshold",
"UsageThresholdCount"
]
},
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "nimbus",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:type=Runtime",
"resultAlias": "nimbus.runtime",
"attr": [
"StartTime",
"Uptime"
]
}
],
"numQueryThreads": 2
}
]
}supervisor.json
{
"servers": [
{
"host": "node1",
"port": "12346",
"queries": [
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "supervisor",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:type=Memory",
"resultAlias": "supervisor.heap",
"attr": [
"ObjectPendingFinalizationCount"
]
},
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "supervisor",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:name=Copy,type=GarbageCollector",
"resultAlias": "supervisor.gc",
"attr": [
"CollectionCount",
"CollectionTime"
]
},
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "supervisor",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:name=Code Cache,type=MemoryPool",
"resultAlias": "supervisor.threads",
"attr": [
"CollectionUsageThreshold",
"CollectionUsageThresholdCount",
"UsageThreshold",
"UsageThresholdCount"
]
},
{
"outputWriters": [
{
"@class": "com.googlecode.jmxtrans.model.output.GangliaWriter",
"settings": {
"groupName": "supervisor",
"host": "239.2.11.71",
"port": "8649"
}
}
],
"obj": "java.lang:type=Runtime",
"resultAlias": "supervisor.runtime",
"attr": [
"StartTime",
"Uptime"
]
}
],
"numQueryThreads": 2
}
]
}兩個json文件一定要注意host是主機名，如果寫ip的話，在ganglia里同一個節點會有兩個顯示，看著有點別扭，大家都統一使用hostname就好.ganglia的gmnod和gmetad不需要重啟，用自動收集。
說明：
修改json文件需要重新啟動jmxtrans,查看jmxtrans日志/var/log/jmxtrans/jmxtrans.log.
service jmxtrans restart
下面來張ganglia的主界面，監控兩個節點
上圖顯示不出來監控指標，就放下面來了，可以看到supervisor的監控數據已經收集到ganglia里了。
下圖搞了master節點的頁面，可以看到nimbus group的監控數據已經顯示，node1節點的supervisor group懶得上圖了，大家可以明白了，不明白的去面壁去
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