Hadoop NameNode

Table 1-148 Supported Configuration Metrics for Hosted Target

Metric Group	Name	Unit	Description
Resource Allocation	Total CPUs	N/A	Total number of CPUs allocated or available to the entity
Resource Allocation	Total Memory	GB	Total amount of usable Physical RAM allocated or available to the entity

Table 1-149 Supported Status and Performance Metrics for Hadoop NameNode

Metric Group	Category	Name	Unit	Description
State	Availability	State	NA	Active or standby state of namenode
RPC Activity	Load	RPC Queue Length	NA	Length of the RPC queue
RPC Activity	Load	RPC Open Connections	NA	Number of RPC open connections
RPC Activity	Response	Average RPC Processing Time	ms	Average RPC Processing time in milliseconds
RPC Activity	Response	Average RPC Queue Time	ms	Average RPC queue time in milliseconds
Transactions	Load	Transactions since Last Checkpoint	NA	Number of transactions since last checkpoint
Transactions	Load	Transactions since Last Log Roll	NA	Number of transactions since last edit log roll

Table 1-150 Supported Status and Performance Metrics for Hosted Target

Metric Group	Category	Name	Unit	Description
CPU	Utilization	CPU Usage	sec	All CPUs usage during the interval
CPU	N/A	CPU Utilization	%	Percentage of CPU that was utilized
CPU	N/A	Interval	sec	Interval of metric collection
Memory	Load	Memory Usage	GB	Memory used in GB
Memory	Utilization	Memory Utilization	%	Percentage of memory that is utilized
Memory	N/A	Interval	sec	Interval of metric collection

Table 1-151 Status and Performance Metrics for Generic Target

Metric Group	Category	Name	Unit	Description
Response	Availability	Status	N/A	Status of the target