Hadoop Journal Node

Metrics for Hadoop Journal Node

Table 1-129 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 1-130 Supported Status and Performance Metrics for Hadoop Journal Node

Metric Group Category Name Unit Description
Transactions Load Batches Written ops/sec Rate at which batches were written
Transactions Load Batches Written While Lagging ops/sec Rate at which batches are written while this node was lagging
Transactions Load Bytes Written bytes/sec Rate at which bytes are written
Transactions Load Transactions Written txns/sec Rate at which transactions are written
Transactions Capacity Current Lag Transactions NA The number of transactions that this JournalNode is lagging
Transactions Capacity Last Promised Epoch NA The last epoch number which this node has promised not to accept any lower epoch, or 0 if no promises have been made
Transactions Capacity Last Writer Epoch NA Current writer's epoch number
RPC Activity Load RPC Call Queue Length NA Current length of the call queue
RPC Activity Load Open RPC Connections NA Current number of open connections
RPC Activity Response Average RPC Processing Time ms Average Processing time in milliseconds
RPC Activity Response Average RPC Queue Time ms Average queue time in milliseconds

Table 1-131 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