python查詢hdfs jmx資訊

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python指令碼監控jmx頁面指標

#!/user/bin/pythonimport urllib2import jsonprint ‘=============================================‘ html = urllib2.urlopen(r‘http://192.168.137.105:50070/jmx?qry=Hadoop:service=NameNode,name=JvmMetrics‘) hjson = json.loads(html.read()) #print hjson[‘beans‘]print hjson[‘beans‘][0][‘name‘]print hjson[‘beans‘][0][‘modelerType‘]print hjson[‘beans‘][0][‘MemNonHeapUsedM‘]print hjson[‘beans‘][0][‘MemHeapUsedM‘]print ‘=============================================‘html2 = urllib2.urlopen(r‘http://192.168.137.105:50070/jmx?get=Hadoop:service=NameNode,name=JvmMetrics::MemHeapUsedM‘)hjson2 = json.loads(html2.read())heapUsed = hjson2[‘beans‘][0][‘MemHeapUsedM‘]print heapUsedhtml3 = urllib2.urlopen(r‘http://192.168.137.105:50070/jmx?get=Hadoop:service=NameNode,name=FSNamesystem::BlocksTotal‘)hjson3 = json.loads(html3.read())blockTotal = hjson3[‘beans‘][0][‘BlocksTotal‘]print blockTotal

 

python查詢hdfs jmx資訊