Branch 1 jobtracker - aajisaka/hadoop-metrics GitHub Wiki
- map_slots
- Current map slots in cluster
- reduce_slots
- Current reduce slots in cluster
- blacklisted_maps
- Current blacklisted map slots in cluster
- blacklisted_reduces
- Current blacklisted reduce slots in cluster
- maps_launched
- Total number of map tasks launched
- maps_completed
- Total number of map tasks completed
- maps_failed
- Total number of map tasks failed/killed
- reduces_launched
- Total number of reduce tasks launched
- reduces_completed
- Total number of reduce tasks completed
- reduces_failed
- Total number of reduce tasks failed/killed
- jobs_submitted
- Total number of jobs submitted
- jobs_completed
- Total number of jobs completed
- waiting_maps
- Current number of waiting map tasks
- waiting_reduces
- Current number of waiting reduce tasks
- reserved_maps_slots
- Current number of reserved map slots
- reserved_reduce_slots
- Current number of reserved reduce slots
- occupied_map_slots
- Current number of occupied map slots
- occupied_reduce_slots
- Current number of occupied reduce slots
- jobs_failed
- Total number of failed jobs
- jobs_killed
- Total number of killed jobs
- jobs_preparing
- Current number of preparing jobs
- jobs_running
- Current number of running jobs
- running_maps
- Current number of running map tasks
- running_reduces
- Current number of running reduce tasks
- maps_killed
- 0 (Nothing to increment this metrics)
- reduces_killed
- 0 (Nothing to increment this metrics)
- trackers
- Current number of TaskTrackers in cluster (including blacklisted and graylisted TaskTrackers)
- trackers_blacklisted
- Current number of blacklisted TaskTrackers in cluster
- trackers_graylisted
- Current number of graylisted TaskTrackers in cluster
- trackers_decommissioned
- Current number of decommissioned TaskTrackers in cluster
- heartbeats
- Total number of processing incoming heartbeat messages from the TaskTrackers
For more details, see org.apache.hadoop.mapred.JobTrackerMetricsSource.java