Enable HDFS metrics for all services (#39)

* HDFS cleanup and added journalnode metrics file. * HDFS: added JMX exporter delay and journal node config.

Author: razvan

hadoop/stackable/bin/start-namenode

@@ -1,5 +1,5 @@
 ---
-startDelaySeconds: 0
+startDelaySeconds: 10
 ssl: false
 lowercaseOutputName: true
 lowercaseOutputLabelNames: true

hadoop/stackable/jmx/datanode.yaml

@@ -0,0 +1,35 @@
+---
+startDelaySeconds: 10
+ssl: false
+lowercaseOutputName: true
+lowercaseOutputLabelNames: true
+whitelistObjectNames:
+ - 'Hadoop:service=JournalNode,name=*'
+ - 'Hadoop:service=JournalNode,name=MetricsSystem,sub=*'
+blacklistObjectNames:
+ - 'Hadoop:service=JournalNode,name=RetryCache.JournalNodeRetryCache'
+ - 'Hadoop:service=JournalNode,name=RpcActivity*'
+ - 'Hadoop:service=JournalNode,name=RpcDetailedActivity*'
+ - 'Hadoop:service=JournalNode,name=UgiMetrics'
+rules:
+ # MetricsSystem
+ - pattern: 'Hadoop<service=(.*), name=MetricsSystem, sub=(.*)><>(.*): (\d+)'
+ attrNameSnakeCase: true
+ name: hadoop_$1_$3
+ value: $4
+ labels:
+ service: HDFS
+ role: $1
+ kind: 'MetricsSystem'
+ sub: $2
+ type: GAUGE
+ # All JournalNode infos
+ - pattern: 'Hadoop<service=(.*), name=(.*)><>(.*): (\d+)'
+ attrNameSnakeCase: true
+ name: hadoop_$1_$3
+ value: $4
+ labels:
+ service: HDFS
+ role: $1
+ kind: $2
+ type: GAUGE

hadoop/stackable/jmx/journalnode.yaml

@@ -1,5 +1,5 @@
 ---
-startDelaySeconds: 0
+startDelaySeconds: 10
 ssl: false
 lowercaseOutputName: true
 lowercaseOutputLabelNames: true