This is the documentation for Cloudera Manager 5.1.x. Documentation for other versions is available at Cloudera Documentation.

DataNode Metrics

Metric Name Description Unit CDH Version
alerts_rate Alerts events per second CDH 4, CDH 5
block_checksum_op_avg_time Block Checksum Average Time ms CDH 4, CDH 5
block_checksum_op_rate Block Checksum Operations operations per second CDH 4, CDH 5
block_reports_avg_time Block Reports Average Time ms CDH 4, CDH 5
block_reports_rate Block Reports Operations operations per second CDH 4, CDH 5
block_verification_failures_rate Block Verification Failures failures per second CDH 4, CDH 5
blocks_get_local_path_info_rate Blocks Get Local Path Info operations per second CDH 4, CDH 5
blocks_read_rate Blocks Read blocks per second CDH 4, CDH 5
blocks_removed_rate Blocks Removed blocks per second CDH 4, CDH 5
blocks_replicated_rate Blocks Replicated blocks per second CDH 4, CDH 5
blocks_total Total blocks blocks CDH 4, CDH 5
blocks_verified_rate Blocks Verified blocks per second CDH 4, CDH 5
blocks_written_rate Blocks Written blocks per second CDH 4, CDH 5
bytes_read_rate Number of bytes read bytes per second CDH 4, CDH 5
bytes_written_rate Bytes Written bytes per second CDH 4, CDH 5
cgroup_cpu_system_rate CPU usage of the role's cgroup seconds per second CDH 4, CDH 5
cgroup_cpu_user_rate User Space CPU usage of the role's cgroup seconds per second CDH 4, CDH 5
cgroup_mem_page_cache Page cache usage of the role's cgroup bytes CDH 4, CDH 5
cgroup_mem_rss Resident memory of the role's cgroup bytes CDH 4, CDH 5
cgroup_mem_swap Swap usage of the role's cgroup bytes CDH 4, CDH 5
cgroup_read_bytes_rate Bytes read from all disks by the role's cgroup bytes per second CDH 4, CDH 5
cgroup_read_ios_rate Number of read I/O operations from all disks by the role's cgroup ios per second CDH 4, CDH 5
cgroup_write_bytes_rate Bytes written to all disks by the role's cgroup bytes per second CDH 4, CDH 5
cgroup_write_ios_rate Number of write I/O operations to all disks by the role's cgroup ios per second CDH 4, CDH 5
copy_block_op_avg_time Copy Block Average Time ms CDH 4, CDH 5
copy_block_op_rate Copy Block Operations operations per second CDH 4, CDH 5
cpu_system_rate Total System CPU seconds per second CDH 4, CDH 5
cpu_user_rate Total CPU user time seconds per second CDH 4, CDH 5
datanode_namenode_connections_bad NameNode connections in a bad state connections CDH 4, CDH 5
datanode_namenode_connections_good NameNode connections in a good state connections CDH 4, CDH 5
datanode_namenode_connections_unknown NameNode connections in a unknown state connections CDH 4, CDH 5
delete_block_pool_avg_time Delete Block Pool Average Time ms CDH 4, CDH 5
delete_block_pool_rate Delete Block Pool Operations operations per second CDH 4, CDH 5
dfs_capacity Total configured HDFS storage capacity bytes CDH 4, CDH 5
dfs_capacity_used Storage space used by HDFS files bytes CDH 4, CDH 5
dfs_capacity_used_non_hdfs Storage space used by non-HDFS files bytes CDH 4, CDH 5
events_critical_rate Critical Events events per second CDH 4, CDH 5
events_important_rate Important Events events per second CDH 4, CDH 5
events_informational_rate Informational Events events per second CDH 4, CDH 5
fd_max Maximum number of file descriptors file descriptors CDH 4, CDH 5
fd_open Open file descriptors file descriptors CDH 4, CDH 5
flush_nanos_avg_time Average Disk Flush Time nanos CDH 4, CDH 5
flush_nanos_rate Disk Flushes operations per second CDH 4, CDH 5
fsync_nanos_avg_time Average Disk Fsync Time nanos CDH 4, CDH 5
fsync_nanos_rate Disk Fsyncs operations per second CDH 4, CDH 5
fsync_rate Fsync Operations operations per second CDH 4, CDH 5
get_block_local_path_info_avg_time Get Block Local Path Info Average Time ms CDH 4, CDH 5
get_block_local_path_info_rate Get Block Local Path Info Operations operations per second CDH 4, CDH 5
get_hdfs_blocks_metadata_avg_time Get HDFS Blocks Metadata Average Time ms CDH 4, CDH 5
get_hdfs_blocks_metadata_rate Get HDFS Blocks Metadata Operations operations per second CDH 4, CDH 5
get_replica_visible_length_avg_time Get Replica Visible Length Average Time ms CDH 4, CDH 5
get_replica_visible_length_rate Get Replica Visible Length Operations operations per second CDH 4, CDH 5
heartbeats_avg_time Heartbeat Average Time ms CDH 4, CDH 5
heartbeats_rate Heartbeats operations per second CDH 4, CDH 5
init_replica_recovery_avg_time Init Replica Recovery Average Time ms CDH 4, CDH 5
init_replica_recovery_rate Init Replica Recovery Operations operations per second CDH 4, CDH 5
jvm_blocked_threads Blocked threads threads CDH 4, CDH 5
jvm_gc_rate Number of garbage collections garbage collections per second CDH 4, CDH 5
jvm_gc_time_ms_rate Total time spent garbage collecting (ms) ms per second CDH 4, CDH 5
jvm_heap_committed_mb Total amount of committed heap memory (MB) MB CDH 4, CDH 5
jvm_heap_used_mb Total amount of used heap memory (MB) MB CDH 4, CDH 5
jvm_max_memory_mb Maximum allowed memory (MB) MB CDH 4, CDH 5
jvm_new_threads New threads threads CDH 4, CDH 5
jvm_non_heap_committed_mb Total amount of committed non-heap memory (MB) MB CDH 4, CDH 5
jvm_non_heap_used_mb Total amount of used non-heap memory (MB) MB CDH 4, CDH 5
jvm_runnable_threads Runnable threads threads CDH 4, CDH 5
jvm_terminated_threads Terminated threads threads CDH 4, CDH 5
jvm_timed_waiting_threads Timed waiting threads threads CDH 4, CDH 5
jvm_total_threads Total threads threads CDH 4, CDH 5
jvm_waiting_threads Waiting threads threads CDH 4, CDH 5
log_error_rate Logged Errors messages per second CDH 4, CDH 5
log_fatal_rate Logged Fatals messages per second CDH 4, CDH 5
log_info_rate Logged Infos messages per second CDH 4, CDH 5
log_warn_rate Logged Warnings messages per second CDH 4, CDH 5
login_failure_avg_time Average Failed Login Time ms CDH 4, CDH 5
login_failure_rate Login Failures operations per second CDH 4, CDH 5
login_success_avg_time Average Successful Login Time ms CDH 4, CDH 5
login_success_rate Login Successes operations per second CDH 4, CDH 5
mem_rss Resident memory used bytes CDH 4, CDH 5
mem_virtual Virtual memory used bytes CDH 4, CDH 5
metrics_dropped_pub_all Dropped Metrics Updates By All Sinks updates CDH 4, CDH 5
metrics_num_active_sinks Active Metrics Sinks Count sinks CDH 4, CDH 5
metrics_num_active_sources Active Metrics Sources Count sources CDH 4, CDH 5
metrics_num_all_sinks All Metrics Sinks Count sinks CDH 4, CDH 5
metrics_num_all_sources All Metrics Sources Count sources CDH 4, CDH 5
metrics_publish_avg_time Metrics Publish Average Time ms CDH 4, CDH 5
metrics_publish_rate Metrics Publish Operations operations per second CDH 4, CDH 5
metrics_snapshot_avg_time Metrics Snapshot Average Time ms CDH 4, CDH 5
metrics_snapshot_rate Metrics Snapshot Average Operations operations per second CDH 4, CDH 5
packet_ack_round_trip_time_nanos_avg_time Packet Ack Round Trip Average Time nanos CDH 4, CDH 5
packet_ack_round_trip_time_nanos_rate Packet Ack Round Trip Operations operations per second CDH 4, CDH 5
read_block_op_avg_time Read Block Average Time ms CDH 4, CDH 5
read_block_op_rate Read Block Operations operations per second CDH 4, CDH 5
read_bytes_rate Disk device bytes read bytes per second CDH 4, CDH 5
reads_from_local_client_rate Reads From Local Clients operations per second CDH 4, CDH 5
reads_from_remote_client_rate Reads From Remote Clients operations per second CDH 4, CDH 5
refresh_namenodes_avg_time Refresh NameNodes Average Time ms CDH 4, CDH 5
refresh_namenodes_rate Refresh NameNodes Operations operations per second CDH 4, CDH 5
replace_block_op_avg_time Replace Block Operation Average Time ms CDH 4, CDH 5
replace_block_op_rate Replace Block Operations operations per second CDH 4, CDH 5
rpc_authentication_failures_rate RPC Authentication Failures operations per second CDH 4, CDH 5
rpc_authentication_successes_rate RPC Authentication Successes operations per second CDH 4, CDH 5
rpc_authorization_failures_rate RPC Authorization Failures operations per second CDH 4, CDH 5
rpc_authorization_successes_rate RPC Authorization Successes operations per second CDH 4, CDH 5
rpc_call_queue_length RPC Call Queue Length items CDH 4, CDH 5
rpc_num_open_connections Open RPC Connections connections CDH 4, CDH 5
rpc_processing_time_avg_time Average RPC Processing Time ms CDH 4, CDH 5
rpc_processing_time_rate RPCs Processed operations per second CDH 4, CDH 5
rpc_queue_time_avg_time Average RPC Queue Time ms CDH 4, CDH 5
rpc_queue_time_rate RPCs Queued operations per second CDH 4, CDH 5
rpc_received_bytes_rate RPC Received Bytes bytes per second CDH 4, CDH 5
rpc_sent_bytes_rate RPC Sent Bytes bytes per second CDH 4, CDH 5
send_data_packet_blocked_on_network_nanos_avg_time Send Data Packet Blocked On Network Average Time nanos CDH 4, CDH 5
send_data_packet_blocked_on_network_nanos_rate Send Data Packet Blocked On Network Operations operations per second CDH 4, CDH 5
send_data_packet_transfer_nanos_avg_time Send Data Packet Transfer Average Time nanos CDH 4, CDH 5
send_data_packet_transfer_nanos_rate Send Data Packet Transfer Operations operations per second CDH 4, CDH 5
unexpected_exits Unexpected process exits unexpected exits CDH 4, CDH 5
update_replica_under_recovery_avg_time Update Replica Under Recovery Average Time ms CDH 4, CDH 5
update_replica_under_recovery_rate Update Replica Under Recovery Operations operations per second CDH 4, CDH 5
volume_failures Volume failures volumes CDH 4, CDH 5
web_metrics_collection_duration Web Server Responsiveness ms CDH 4, CDH 5
write_block_op_avg_time Write Block Average Time ms CDH 4, CDH 5
write_block_op_rate Write Block Operations operations per second CDH 4, CDH 5
write_bytes_rate Disk device bytes written bytes per second CDH 4, CDH 5
writes_from_local_client_rate Writes From Local Clients operations per second CDH 4, CDH 5
writes_from_remote_client_rate Writes From Remote Clients operations per second CDH 4, CDH 5
xceivers Transceivers transceivers CDH 4, CDH 5
blocks_cached_rate The total number of HDFS blocks cached over the lifetime of the process. blocks per second CDH 5
blocks_uncached_rate The total number of HDFS blocks uncached over the lifetime of the process. blocks per second CDH 5
cache_capacity The capacity of the HDFS cache on this DataNode. bytes CDH 5
cache_reports_avg_time The average time to generate cache reports on the DataNode. ms CDH 5
cache_reports_rate The total number of generate cache reports operations on the DataNode. operations per second CDH 5
cache_used The total cache used. bytes 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
num_blocks_failed_to_cache_rate The total number of blocks the DataNode failed to cache. blocks per second CDH 5
num_blocks_failed_to_uncache_rate The total number of blocks the DataNode failed to uncache. blocks per second CDH 5
capacity_across_directories Capacity aggregate computed across all Directorys. bytes n/a
capacity_free_across_directories Capacity Free aggregate computed across all Directorys. bytes n/a
capacity_used_across_directories Capacity Used aggregate computed across all Directorys. bytes n/a
total_capacity_across_directories Total Capacity aggregate computed across all Directorys. bytes n/a
total_capacity_free_across_directories Total Capacity Free aggregate computed across all Directorys. bytes n/a
total_capacity_used_across_directories Total Capacity Used aggregate computed across all Directorys. bytes n/a
Page generated September 3, 2015.