This is the documentation for Cloudera Manager 4.8.3.
Documentation for other versions is available at Cloudera Documentation.

TaskTracker Metrics

Metric Name Description Unit CDH Version
alerts Alerts events CDH3, CDH4
can_commit_avg_time Can Commit Average Time ms CDH3
can_commit_num_ops Can Commit Operations operations CDH3
cgroup_mem_page_cache Page cache usage of the role's cgroup bytes CDH3, CDH4
cgroup_mem_rss Resident memory of the role's cgroup bytes CDH3, CDH4
cgroup_mem_swap Swap usage of the role's cgroup bytes CDH3, CDH4
cgroup_read_bytes Bytes read from all disks by the role's cgroup bytes CDH3, CDH4
cgroup_read_ios Number of read I/O operations from all disks by the role's cgroup ios CDH3, CDH4
cgroup_total_cpu_system CPU usage of the role's cgroup seconds CDH3, CDH4
cgroup_total_cpu_user User Space CPU usage of the role's cgroup seconds CDH3, CDH4
cgroup_write_bytes Bytes written to all disks by the role's cgroup bytes CDH3, CDH4
cgroup_write_ios Number of write I/O operations to all disks by the role's cgroup ios CDH3, CDH4
commit_pending_avg_time Commit Pending Average Time ms CDH3
commit_pending_num_ops Commit Pending Operations operations CDH3
done_avg_time Done Average Time ms CDH3
done_num_ops Done Operations operations CDH3
events_critical Critical Events events CDH3, CDH4
events_important Important Events events CDH3, CDH4
events_informational Informational Events events CDH3, CDH4
failed_dirs Failed Directories directories CDH3, CDH4
fatal_error_avg_time Fatal Error Average Time ms CDH3
fatal_error_num_ops Fatal Error Operations operations CDH3
fd_max Maximum number of file descriptors file descriptors CDH3, CDH4
fd_open Open file descriptors file descriptors CDH3, CDH4
fs_error_avg_time Filesystem Error Average Time ms CDH3
fs_error_num_ops Filesystem Error Operations operations CDH3
get_map_completion_events_avg_time Get Map Completion Events Average Time ms CDH3
get_map_completion_events_num_ops Get Map Completion Events Operations operations CDH3
get_protocol_version_avg_time Get Protocol Version Average Time ms CDH3
get_protocol_version_num_ops Get Protocol Version Operations operations CDH3
get_task_avg_time Get Task Average Time ms CDH3
get_task_num_ops Get Task Operations operations CDH3
host_health The health of the host on which the role runs kaiser health CDH3, CDH4
host_subject_status_1 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_10 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_2 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_3 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_4 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_5 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_6 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_7 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_8 Field containing subject specific status information subject status CDH3, CDH4
host_subject_status_9 Field containing subject specific status information subject status CDH3, CDH4
jvm_blocked_threads Blocked threads threads CDH3, CDH4
jvm_gc_count Number of garbage collections garbage collections CDH3, CDH4
jvm_gc_time_ms Total time spent garbage collecting (ms) ms CDH3, CDH4
jvm_heap_committed_mb Total amount of committed heap memory (MB) MB CDH3, CDH4
jvm_heap_used_mb Total amount of used heap memory (MB) MB CDH3, CDH4
jvm_max_memory_mb Maximum allowed memory (MB) MB CDH3, CDH4
jvm_new_threads New threads threads CDH3, CDH4
jvm_non_heap_committed_mb Total amount of committed non-heap memory (MB) MB CDH3, CDH4
jvm_non_heap_used_mb Total amount of used non-heap memory (MB) MB CDH3, CDH4
jvm_runnable_threads Runnable threads threads CDH3, CDH4
jvm_terminated_threads Terminated threads threads CDH3, CDH4
jvm_timed_waiting_threads Timed waiting threads threads CDH3, CDH4
jvm_total_threads Total threads threads CDH3, CDH4
jvm_waiting_threads Waiting threads threads CDH3, CDH4
kaiser_health Health value computed by Cloudera Manager kaiser health CDH3, CDH4
log_error Logged Errors messages CDH3, CDH4
log_fatal Logged Fatals messages CDH3, CDH4
log_info Logged Infos messages CDH3, CDH4
log_warn Logged Warnings messages CDH3, CDH4
login_failure_avg_time Average Failed Login Time ms CDH3
login_failure_num_ops Login Failures operations CDH3
login_success_avg_time Average Successful Login Time ms CDH3
login_success_num_ops Login Successes operations CDH3
map_task_slots Map Task Slots slots CDH3, CDH4
maps_running Running map tasks tasks CDH3, CDH4
ping_avg_time Ping Average Time ms CDH3
ping_num_ops Ping Operations operations CDH3
reduce_task_slots Reduce Task Slots slots CDH3, CDH4
reduces_running Reduces Running tasks CDH3, CDH4
report_diagnostic_info_avg_time Report Diagnostic Info Average Time ms CDH3
report_diagnostic_info_num_ops Report Diagnostic Info Operations operations CDH3
report_next_record_range_avg_time Report Next Record Range Average Time ms CDH3
report_next_record_range_num_ops Report Next Record Range Operations operations CDH3
role_start_time Role start time timestamp CDH3, CDH4
rpc_authentication_failures RPC Authentication Failures failures CDH3
rpc_authentication_successes RPC Authentication Successes successes CDH3
rpc_authorization_failures RPC Authorization Failures failures CDH3
rpc_authorization_successes RPC Authorization Successes successes CDH3
rpc_call_queue_length RPC Call Queue Length items CDH3
rpc_num_open_connections Open RPC Connections connections CDH3
rpc_processing_time_avg_time Average RPC Processing Time ms CDH3
rpc_processing_time_num_ops RPCs Processed operations CDH3
rpc_queue_time_avg_time Average RPC Queue Time ms CDH3
rpc_queue_time_num_ops RPCs Queued operations CDH3
rpc_received_bytes RPC Received Bytes bytes CDH3
rpc_sent_bytes RPC Sent Bytes bytes CDH3
scm_health Health value computed by Cloudera Manager SCM health CDH3, CDH4
scm_health_reason Reason for health value computed by Cloudera Manager SCM health reason CDH3, CDH4
scm_process_state Process State according to Cloudera Manager SCM process state CDH3, CDH4
scm_role_state Role state according to Cloudera Manager SCM role state CDH3, CDH4
shuffle_error_avg_time Shuffle Error Average Time ms CDH3
shuffle_error_num_ops Shuffle Error Operations operations CDH3
shuffle_exceptions_caught Shuffle Handler Exceptions Caught exceptions CDH3, CDH4
shuffle_failed_outputs Shuffle Handler Failed Requests requests CDH3, CDH4
shuffle_handler_busy_percent Shuffle Handler Busy Percentage percent CDH3, CDH4
shuffle_output_bytes Shuffle Output bytes CDH3, CDH4
shuffle_success_outputs Shuffle Handler Successful Requests requests CDH3, CDH4
slave_master_connectivity Indicates whether the master node detects the slave as connected master connectivity CDH3, CDH4
status_update_avg_time Status Update Average Time ms CDH3
status_update_num_ops Status Update Operations operations CDH3
subject_status_1 Field containing subject specific status information subject status CDH3, CDH4
subject_status_10 Field containing subject specific status information subject status CDH3, CDH4
subject_status_2 Field containing subject specific status information subject status CDH3, CDH4
subject_status_3 Field containing subject specific status information subject status CDH3, CDH4
subject_status_4 Field containing subject specific status information subject status CDH3, CDH4
subject_status_5 Field containing subject specific status information subject status CDH3, CDH4
subject_status_6 Field containing subject specific status information subject status CDH3, CDH4
subject_status_7 Field containing subject specific status information subject status CDH3, CDH4
subject_status_8 Field containing subject specific status information subject status CDH3, CDH4
subject_status_9 Field containing subject specific status information subject status CDH3, CDH4
tasks_completed Tasks Completed tasks CDH3, CDH4
tasks_failed_ping Tasks Failed: Ping tasks CDH3, CDH4
tasks_failed_timeout Tasks Failed: Timeout tasks CDH3, CDH4
total_cpu_system Total System CPU seconds CDH3, CDH4
total_cpu_user Total CPU user time seconds CDH3, CDH4
tt_blacklisted TaskTracker Blacklisted Status blacklisted status CDH3, CDH4
unexpected_exits Unexpected rocess exits unexpected exits CDH3, CDH4
update_private_distributed_cache_sizes_avg_time Update Private Distributed Cache Sizes Average Time ms CDH3
update_private_distributed_cache_sizes_num_ops Update Private Distributed Cache Sizes Operations operations CDH3
web_metrics_collection_duration Web Server Responsiveness ms CDH3, CDH4
web_metrics_collection_status Web Metric Collection Status metric collection status CDH3, CDH4