NameNode Metrics

Metric Name Description Unit CDH Version
abandon_block_avg_time Abandon Block Average Time ms CDH3, CDH4
abandon_block_num_ops Abandon Block Operations operations CDH3, CDH4
add_block_avg_time Add Block Average Time ms CDH3, CDH4
add_block_num_ops Add Block Operations operations CDH3, CDH4
add_block_ops Add Block Operations operations CDH3, CDH4
alerts Alerts events CDH3, CDH4
append_avg_time Append Average Time ms CDH3, CDH4
append_num_ops Append Operations operations CDH3, CDH4
block_capacity The block capacity of the NameNode blocks CDH3, CDH4
block_received_avg_time Block Received Average Time ms CDH3
block_received_num_ops Block Received Operations operations CDH3
block_report_avg_time Block Report Average Time ms CDH3, CDH4
block_report_num_ops Block Report Operations operations CDH3, CDH4
blocks_being_written_report_avg_time Blocks Being Written Report Average Time ms CDH3
blocks_being_written_report_num_ops Blocks Being Written Report Operations operations CDH3
blocks_total Total blocks blocks CDH3, CDH4
cancel_delegation_token_avg_time Cancel Delegation Token Average Time ms CDH3, CDH4
cancel_delegation_token_num_ops Cancel Delegation Token Operations operations CDH3, CDH4
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_block_synchronization_avg_time Commit Block Synchronization Average Time ms CDH3, CDH4
commit_block_synchronization_num_ops Commit Block Synchronization Operations operations CDH3, CDH4
complete_avg_time Complete Average Time ms CDH3, CDH4
complete_num_ops Complete Operations operations CDH3, CDH4
corrupt_replicas Corrupt replicas replicas CDH3
create_avg_time Create Average Time ms CDH3, CDH4
create_file_ops Create File Operations operations CDH3, CDH4
create_num_ops Create Operations operations CDH3, CDH4
delete_avg_time Delete Average Time ms CDH3, CDH4
delete_file_ops Delete File Operations operations CDH3, CDH4
delete_num_ops Delete Operations operations CDH3, CDH4
error_report_avg_time Error Report Average Time ms CDH3, CDH4
error_report_num_ops Error Report Operations operations CDH3, CDH4
events_critical Critical Events events CDH3, CDH4
events_important Important Events events CDH3, CDH4
events_informational Informational Events events CDH3, CDH4
excess_blocks The total number of excess blocks blocks CDH3, CDH4
fd_max Maximum number of file descriptors file descriptors CDH3, CDH4
fd_open Open file descriptors file descriptors CDH3, CDH4
file_info_ops File Info Operations operations CDH3, CDH4
files_appended Files Appended files CDH3, CDH4
files_created Files Created files CDH3, CDH4
files_deleted Files Deleted files CDH3, CDH4
files_in_get_listing_ops Files In Get Listing Operations files CDH3, CDH4
files_renamed Files Renamed operations CDH3, CDH4
files_total The number of files and directories in the HDFS blocks CDH3, CDH4
fs_image_load_time Filesystem Image Load Time ms CDH3, CDH4
fsync_avg_time Fsync Average Time ms CDH3, CDH4
fsync_num_ops Fsync Operations operations CDH3, CDH4
get_block_keys_avg_time Get Block Keys Average Time ms CDH3, CDH4
get_block_keys_num_ops Get Block Keys Operations operations CDH3, CDH4
get_block_locations Get Block Locations Operations operations CDH3, CDH4
get_block_locations_avg_time Get Block Locations Average Time ms CDH3, CDH4
get_block_locations_num_ops Get Block Locations Operations operations CDH3, CDH4
get_blocks_avg_time Get Blocks Average Time ms CDH3, CDH4
get_blocks_num_ops Get Blocks Operations operations CDH3, CDH4
get_content_summary_avg_time Get Content Summary Average Time ms CDH3, CDH4
get_content_summary_num_ops Get Content Summary Operations operations CDH3, CDH4
get_datanode_report_avg_time Get DataNode Report Average Time ms CDH3, CDH4
get_datanode_report_num_ops Get DataNode Report Operations operations CDH3, CDH4
get_delegation_token_avg_time Get Delegation Token Average Time ms CDH3, CDH4
get_delegation_token_num_ops Get Delegation Token Operations operations CDH3, CDH4
get_edit_log_size_avg_time Get Edits Log Size Average Time ms CDH3
get_edit_log_size_num_ops Get Edits Log Size Operations operations CDH3
get_file_info_avg_time Get File Info Average Time ms CDH3, CDH4
get_file_info_num_ops Get File Info Operations operations CDH3, CDH4
get_groups_for_user_avg_time Get Groups For User Average Time ms CDH3, CDH4
get_groups_for_user_num_ops Get Groups For User Operations operations CDH3, CDH4
get_listing_avg_time Get Listing Average Time ms CDH3, CDH4
get_listing_num_ops Get Listing Operations operations CDH3, CDH4
get_listing_ops Get Listing Operations operations CDH3, CDH4
get_preferred_block_size_avg_time Get Preferred Block Size Average Time ms CDH3, CDH4
get_preferred_block_size_num_ops Get Preferred Block Size Operations operations CDH3, CDH4
get_protocol_version_avg_time Get Protocol Version Average Time ms CDH3
get_protocol_version_num_ops Get Protocol Version Operations operations CDH3
get_stats_avg_time Get Stats Average Time ms CDH3, CDH4
get_stats_num_ops Get Stats Operations operations CDH3, CDH4
hdfs_checkpoint_period Filesystem checkpoint period seconds CDH3, CDH4
hdfs_safe_mode NameNode Safe Mode Status safe mode status CDH3, CDH4
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, CDH4
login_failure_num_ops Login Failures operations CDH3, CDH4
login_success_avg_time Average Successful Login Time ms CDH3, CDH4
login_success_num_ops Login Successes operations CDH3, CDH4
meta_save_avg_time Meta Save Average Time ms CDH3, CDH4
meta_save_num_ops Meta Save Operations operations CDH3, CDH4
missing_blocks Missing blocks blocks CDH3, CDH4
mkdirs_avg_time Make Directories Average Time ms CDH3, CDH4
mkdirs_num_ops Make Directories Operations operations CDH3, CDH4
next_generation_stamp_avg_time Next Generation Stamp Average Time ms CDH3
next_generation_stamp_num_ops Next Generation Stamp Operations operations CDH3
nn_time_since_last_checkpoint The time since the last filesystem checkpoint seconds CDH3
pending_deletion_blocks The number of blocks pending deletion blocks CDH3, CDH4
pending_replication_blocks The number of blocks with replication pending blocks CDH3, CDH4
recover_lease_avg_time Recover Lease Average Time ms CDH3, CDH4
recover_lease_num_ops Recover Lease Operations operations CDH3, CDH4
refresh_nodes_avg_time Refresh Nodes Average Time ms CDH3, CDH4
refresh_nodes_num_ops Refresh Nodes Operations operations CDH3, CDH4
refresh_service_acl_avg_time Refresh Service ACL Average Time ms CDH3, CDH4
refresh_service_acl_num_ops Refresh Service ACL Operations operations CDH3, CDH4
refresh_super_user_groups_configuration_avg_time Super User Groups Configuration Average Time ms CDH3, CDH4
refresh_super_user_groups_configuration_num_ops Super User Groups Configuration Operations operations CDH3, CDH4
refresh_user_to_groups_mappings_avg_time Refresh User to Groups Mapping Average Time ms CDH3, CDH4
refresh_user_to_groups_mappings_num_ops Refresh User to Groups Mapping Operations operations CDH3, CDH4
register_avg_time Register Average Time ms CDH3, CDH4
register_num_ops Register Operations operations CDH3, CDH4
rename_avg_time Rename Average Time ms CDH3, CDH4
rename_num_ops Rename Operations operations CDH3, CDH4
renew_delegation_token_avg_time Renew Delegation Token Average Time ms CDH3, CDH4
renew_delegation_token_num_ops Renew Delegation Token Operations operations CDH3, CDH4
renew_lease_avg_time Renew Lease Average Time ms CDH3, CDH4
renew_lease_num_ops Renew Lease Operations operations CDH3, CDH4
report_bad_blocks_avg_time Report Bad Blocks Average Time ms CDH3, CDH4
report_bad_blocks_num_ops Report Bad Blocks Operations operations CDH3, CDH4
role_start_time Role start time timestamp CDH3, CDH4
roll_edit_log_avg_time Roll Edit Average Time ms CDH3, CDH4
roll_edit_log_num_ops Roll Edit Operations operations CDH3, CDH4
roll_fs_image_avg_time Roll Filesystem Image Average Time ms CDH3
roll_fs_image_num_ops Roll Filesystem Image Operations operations CDH3
rpc_authentication_failures RPC Authentication Failures failures CDH3, CDH4
rpc_authentication_successes RPC Authentication Successes successes CDH3, CDH4
rpc_authorization_failures RPC Authorization Failures failures CDH3, CDH4
rpc_authorization_successes RPC Authorization Successes successes CDH3, CDH4
rpc_call_queue_length RPC Call Queue Length items CDH3, CDH4
rpc_num_open_connections Open RPC Connections connections CDH3, CDH4
rpc_processing_time_avg_time Average RPC Processing Time ms CDH3, CDH4
rpc_processing_time_num_ops RPCs Processed operations CDH3, CDH4
rpc_queue_time_avg_time Average RPC Queue Time ms CDH3, CDH4
rpc_queue_time_num_ops RPCs Queued operations CDH3, CDH4
rpc_received_bytes RPC Received Bytes bytes CDH3, CDH4
rpc_sent_bytes RPC Sent Bytes bytes CDH3, CDH4
safe_mode_time Safe Mode Time ms CDH3, CDH4
save_namespace_avg_time Save Namespace Average Time ms CDH3, CDH4
save_namespace_num_ops Save Namespace Operations operations CDH3, CDH4
scheduled_replication_blocks The number of blocks with replication currently scheduled blocks CDH3, CDH4
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
send_heartbeat_avg_time Average DataNode Heartbeat Processing Time ms CDH3, CDH4
send_heartbeat_num_ops DataNode Heartbeats operations CDH3, CDH4
set_balancer_bandwidth_avg_time Set Balancer Bandwidth Average Time ms CDH3, CDH4
set_balancer_bandwidth_num_ops Set Balancer Bandwidth Operations operations CDH3, CDH4
set_owner_avg_time Set Owner Average Time ms CDH3, CDH4
set_owner_num_ops Set Owner Operations operations CDH3, CDH4
set_permission_avg_time Set Permission Average Time ms CDH3, CDH4
set_permission_num_ops Set Permission Operations operations CDH3, CDH4
set_quota_avg_time Set Quota Average Time ms CDH3, CDH4
set_quota_num_ops Set Quota Operations operations CDH3, CDH4
set_replication_avg_time Set Replication Average Time ms CDH3, CDH4
set_replication_num_ops Set Replication Operations operations CDH3, CDH4
set_safe_mode_avg_time Set Safe Mode Average Time ms CDH3, CDH4
set_safe_mode_num_ops Set Safe Mode Operations operations CDH3, CDH4
set_times_avg_time Set Times Average Time ms CDH3, CDH4
set_times_num_ops Set Times Operations operations CDH3, CDH4
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
syncs_avg_time Average Edit Log Sync Time ms CDH3, CDH4
syncs_num_ops Edit Log Syncs operations CDH3, CDH4
total_cpu_system Total System CPU seconds CDH3, CDH4
total_cpu_user Total CPU user time seconds CDH3, CDH4
total_load The number of DataNode transceivers currently in use transceivers CDH3, CDH4
transactions_avg_time Average Transaction Time ms CDH3, CDH4
transactions_batched_in_sync Transactions Batched In Sync transactions CDH3, CDH4
transactions_num_ops Transactions operations CDH3, CDH4
under_replicated_blocks Under-replicated blocks blocks CDH3, CDH4
unexpected_exits Unexpected rocess exits unexpected exits CDH3, CDH4
version_request_avg_time Version Request Average Time ms CDH3, CDH4
version_request_num_ops Version Request Operations operations CDH3, CDH4
web_metrics_collection_duration Web Server Responsiveness ms CDH3, CDH4
web_metrics_collection_status Web Metric Collection Status metric collection status CDH3, CDH4
block_pool_used_space Block Pool Used Space bytes CDH4
block_received_and_deleted_avg_time Average Incremental Block Report Processing Time ms CDH4
block_received_and_deleted_num_ops Incremental Block Reports operations CDH4
blocks_with_corrupt_replicas Blocks with corrupt replicas blocks CDH4
checkpointing_node_uptime The uptime of the node performing checkpointing of this NameNode. seconds CDH4
concat_avg_time Concact Average Time ms CDH4
concat_num_ops Concat Operations operations CDH4
create_symlink_avg_time Create Symlink Average Time ms CDH4
create_symlink_num_ops Create Symlink Operations operations CDH4
dead_datanodes Number of dead DataNodes DataNodes CDH4
decomissioning_datanodes Number of decomissioning DataNodes DataNodes CDH4
dfs_capacity Total configured HDFS storage capacity bytes CDH4
dfs_capacity_free DFS free bytes CDH4
dfs_capacity_used Storage space used by HDFS files bytes CDH4
dfs_capacity_used_non_hdfs Storage space used by non-HDFS files bytes CDH4
end_checkpoint_avg_time End Checkpoint Average Time ms CDH4
end_checkpoint_num_ops End Checkpoint Operations operations CDH4
expired_heartbeats The number of expired heartbeats heartbeats CDH4
get_additional_datanode_avg_time Get Additional DataNode Average Time ms CDH4
get_additional_datanode_num_ops Get Additional DataNode Operations operations CDH4
get_data_encryption_key_avg_time Get Data Encryption Key Average Time ms CDH4
get_data_encryption_key_num_ops Get Data Encryption Key Operations operations CDH4
get_edit_log_manifest_avg_time Get Edit Log Manifest Average Time ms CDH4
get_edit_log_manifest_num_ops Get Edit Log Manifest Operations operations CDH4
get_file_link_info_avg_time Get File Link Info Average Time ms CDH4
get_file_link_info_num_ops Get File Link Info Operations operations CDH4
get_link_target_avg_time Get Link Target Average Time ms CDH4
get_link_target_num_ops Get Link Target Operations operations CDH4
get_server_defaults_avg_time Get Server Defaults Average Time ms CDH4
get_server_defaults_num_ops Get Server Defaults Operations operations CDH4
get_service_status_avg_time Get Service Status Average Time ms CDH4
get_service_status_num_ops Get Service Status Operations operations CDH4
hdfs_checkpoint_transaction_limit Filesystem checkpoint transaction limit transactions CDH4
hdfs_upgrade_status HDFS upgrade status upgrade status CDH4
journalnodes_in_sync JournalNodes In Sync JournalNodes CDH4
journalnodes_out_of_sync JournalNodes Out Of Sync JournalNodes CDH4
last_checkpoint_time Last Checkpoint Time ms CDH4
last_written_transaction_id Last Written Transaction Id transaction ID CDH4
list_corrupt_file_blocks_avg_time List Corrupt File Blocks Average Time ms CDH4
list_corrupt_file_blocks_num_ops List Corrupt File Blocks Operations operations CDH4
live_datanodes Number of live DataNodes DataNodes CDH4
master_role_status The active standby status of a master role role status CDH4
metrics_dropped_pub_all Dropped Metrics Updates By All Sinks updates CDH4
metrics_num_active_sinks Active Metrics Sinks Count sinks CDH4
metrics_num_active_sources Active Metrics Sources Count sources CDH4
metrics_num_all_sinks All Metrics Sinks Count sinks CDH4
metrics_num_all_sources All Metrics Sources Count sources CDH4
metrics_publish_avg_time Metrics Publish Average Time ms CDH4
metrics_publish_num_ops Metrics Publish Operations operations CDH4
metrics_snapshot_avg_time Metrics Snapshot Average Time ms CDH4
metrics_snapshot_num_ops Metrics Snapshot Average Operations operations CDH4
millis_since_last_loaded_edits Time Since Last Loaded Edits ms CDH4
monitor_health_avg_time Monitor Health Average Time ms CDH4
monitor_health_num_ops Monitor Health Operations operations CDH4
nn_num_directory_failures Number of directory failures directories CDH4
pending_data_node_message_count Pending Data Node Message Count messages CDH4
percent_block_pool_used Percentage Block Pool Used percent CDH4
percent_remaining Percentage Space Remaining percent CDH4
percent_used Percentage Space Used percent CDH4
postponed_misreplicated_blocks Postponed Misreplicated Blocks blocks CDH4
register_datanode_avg_time Register DataNode Average Time ms CDH4
register_datanode_num_ops Register DataNode Operations operations CDH4
rename2_avg_time Rename2 Average Time ms CDH4
rename2_num_ops Rename2 Operations operations CDH4
restore_failed_storage_avg_time Restore Failed Storage Average Time ms CDH4
restore_failed_storage_num_ops Restore Failed Storage Operations operations CDH4
roll_edits_avg_time Roll Edits Average Time ms CDH4
roll_edits_num_ops Roll Edits Operations operations CDH4
start_checkpoint_avg_time Start Checkpoint Average Time ms CDH4
start_checkpoint_num_ops Start Checkpoint Operations operations CDH4
transactions_since_last_checkpoint Transactions Since Last Log Checkpoint transactions CDH4
transactions_since_last_log_roll Transactions Since Last Log Roll transactions CDH4
transition_to_active_avg_time Transition to Active Average Time ms CDH4
transition_to_active_num_ops Transition to Active Operations operations CDH4
transition_to_standby_avg_time Transition to Standby Average Time ms CDH4
transition_to_standby_num_ops Transition to Standby Operations operations CDH4
update_block_for_pipeline_avg_time Update Block For Pipeline Average Time ms CDH4
update_block_for_pipeline_num_ops Update Block For Pipeline Operations operations CDH4
update_pipeline_avg_time Update Pipeline Average Time ms CDH4
update_pipeline_num_ops Update Pipeline Operations operations CDH4