SecondaryNameNode Metrics

Metric Name Description Unit CDH Version
alerts_rate The number of alerts. events per second CDH 5
cgroup_cpu_system_rate CPU usage of the role's cgroup seconds per second CDH 5
cgroup_cpu_user_rate User Space CPU usage of the role's cgroup seconds per second CDH 5
cgroup_mem_page_cache Page cache usage of the role's cgroup bytes CDH 5
cgroup_mem_rss Resident memory of the role's cgroup bytes CDH 5
cgroup_mem_swap Swap usage of the role's cgroup bytes CDH 5
cgroup_read_bytes_rate Bytes read from all disks by the role's cgroup bytes per second CDH 5
cgroup_read_ios_rate Number of read I/O operations from all disks by the role's cgroup ios per second CDH 5
cgroup_write_bytes_rate Bytes written to all disks by the role's cgroup bytes per second CDH 5
cgroup_write_ios_rate Number of write I/O operations to all disks by the role's cgroup ios per second CDH 5
cpu_system_rate Total System CPU seconds per second CDH 5
cpu_user_rate Total CPU user time seconds per second CDH 5
events_critical_rate The number of critical events. events per second CDH 5
events_important_rate The number of important events. events per second CDH 5
events_informational_rate The number of informational events. events per second CDH 5
fd_max Maximum number of file descriptors file descriptors CDH 5
fd_open Open file descriptors. file descriptors CDH 5
get_hadoop_groups_avg_time Average Time to get Hadoop group for the user ms CDH 5
get_hadoop_groups_rate Get Hadoop User Operations operations per second CDH 5
health_bad_rate Percentage of Time with Bad Health seconds per second CDH 5
health_concerning_rate Percentage of Time with Concerning Health seconds per second CDH 5
health_disabled_rate Percentage of Time with Disabled Health seconds per second CDH 5
health_good_rate Percentage of Time with Good Health seconds per second CDH 5
health_unknown_rate Percentage of Time with Unknown Health seconds per second CDH 5
jvm_blocked_threads Blocked threads threads CDH 5
jvm_gc_rate Number of garbage collections garbage collections per second CDH 5
jvm_gc_time_ms_rate Total time spent garbage collecting. ms per second CDH 5
jvm_heap_committed_mb Total amount of committed heap memory. MB CDH 5
jvm_heap_used_mb Total amount of used heap memory. MB CDH 5
jvm_max_memory_mb Maximum allowed memory. MB CDH 5
jvm_new_threads New threads threads CDH 5
jvm_non_heap_committed_mb Total amount of committed non-heap memory. MB CDH 5
jvm_non_heap_used_mb Total amount of used non-heap memory. MB CDH 5
jvm_runnable_threads Runnable threads threads CDH 5
jvm_terminated_threads Terminated threads threads CDH 5
jvm_timed_waiting_threads Timed waiting threads threads CDH 5
jvm_total_threads Total threads threads CDH 5
jvm_waiting_threads Waiting threads threads CDH 5
log_error_rate Logged Errors messages per second CDH 5
log_fatal_rate Logged Fatals messages per second CDH 5
log_info_rate Logged Infos messages per second CDH 5
log_warn_rate Logged Warnings messages per second CDH 5
login_failure_avg_time Average Failed Login Time ms CDH 5
login_failure_rate Login Failures operations per second CDH 5
login_success_avg_time Average Successful Login Time ms CDH 5
login_success_rate Login Successes operations per second CDH 5
mem_rss Resident memory used bytes CDH 5
mem_swap Amount of swap memory used by this role's process. bytes CDH 5
mem_virtual Virtual memory used bytes CDH 5
metrics_dropped_pub_all Dropped Metrics Updates By All Sinks updates CDH 5
metrics_num_active_sinks Active Metrics Sinks Count sinks CDH 5
metrics_num_active_sources Active Metrics Sources Count sources CDH 5
metrics_num_all_sinks All Metrics Sinks Count sinks CDH 5
metrics_num_all_sources All Metrics Sources Count sources CDH 5
metrics_publish_avg_time Metrics Publish Average Time ms CDH 5
metrics_publish_rate Metrics Publish Operations operations per second CDH 5
metrics_snapshot_avg_time Metrics Snapshot Average Time ms CDH 5
metrics_snapshot_rate Metrics Snapshot Average Operations operations per second CDH 5
oom_exits_rate The number of times the role's backing process was killed due to an OutOfMemory error. This counter is only incremented if the Cloudera Manager "Kill When Out of Memory" option is enabled. exits per second CDH 5
read_bytes_rate The number of bytes read from the device bytes per second CDH 5
unexpected_exits_rate The number of times the role's backing process exited unexpectedly. exits per second CDH 5
uptime For a host, the amount of time since the host was booted. For a role, the uptime of the backing process. seconds CDH 5
web_metrics_collection_duration Web Server Responsiveness ms CDH 5
write_bytes_rate The number of bytes written to the device bytes per second CDH 5
gc_count_concurrent_mark_sweep_rate The number of garbage collections by the Concurrent Mark Sweep Collector. garbage collections per second CDH 5
gc_count_par_new_rate The number of garbage collections by the Parallel Collector. garbage collections per second CDH 5
gc_time_ms_concurrent_mark_sweep_rate The total time spent in garbage collections by the Concurrent Mark Sweep Collector. ms per second CDH 5
gc_time_ms_par_new_rate The total time spent in garbage collections by the Parallel Collector. ms per second CDH 5