Google Cloud Monitoring Metrics

Key
Metric Type Display Name

Kind, Type, Unit	Description
	Labels

🚧
Metric prefixes
All metrics listed below are prefixed with external.googleapis.com/bluemedora/generic_node/mongodb except for the metrics that are also listed in the associated Stackdriver Agent Migration page. If the collector is installed on the MongoDB host system, the metrics listed there will be prefixed with agent.googleapis.com/mongodb

Google Cloud Monitoring Metrics

`/database/object/average_size` Object Average Size

GAUGE, DOUBLE, By	Average object size of this resource.





`/database/collection/average_object_size` Collections Average Object Size

GAUGE, DOUBLE, By	Average size of objects in this resource's collections.





`/collections` Collections

GAUGE, DOUBLE, n/a	The number of collections.
	database_name: The name of the MongoDB server.




`/database/collection/objects_count` Collections Objects Count

GAUGE, INT64, n/a	Number of objects or documents in this resource's collections.





`/database/collection/size` Collection Size

GAUGE, INT64, By	Size of all records in this resource's collections.





`/database/collection/storage_size` Collections Storage Size

GAUGE, INT64, By	Storage size of all records in this resource's collections.





`/database/collection/total_index_size` Collections Total Index Size

GAUGE, INT64, By	Total size of all in this resource's collections.





`/database/collection/total_indexes` Collections Total Indexes

GAUGE, INT64, n/a	Number of indexes on this resource's collections.





`/data_size` Data size

GAUGE, DOUBLE, By	The data size, in bytes.
	database_name: The name of the MongoDB server.




`/database/disk/free` Disk Free

GAUGE, INT64, By	Amount of unused/free disk space.





`/extents` Extents

GAUGE, DOUBLE, n/a	The number of extents.
	database_name: The name of the MongoDB server.




`/database/file/size` File Size

GAUGE, INT64, By	Total file size for this resource.





`/database/freelist_extents` Freelist Extents

GAUGE, INT64, n/a	Number of extents in the freelist for this resource.





`/index_size` Index size

GAUGE, DOUBLE, By	The index size, in bytes.
	database_name: The name of the MongoDB server.




`/indexes` Indexes

GAUGE, DOUBLE, n/a	The number of indexes.
	database_name: The name of the MongoDB server.




`/database/namespace_file_size` Namespace File Size

GAUGE, INT64, MBy	Namespace file size for this resource.





`/objects` Objects

GAUGE, DOUBLE, n/a	The number of objects.
	database_name: The name of the MongoDB server.




`/storage_size` Storage size

GAUGE, DOUBLE, By	The storage size, in bytes.
	database_name: The name of the MongoDB server.




`/mongod/network/traffic_count` Network Traffic Count

CUMULATIVE, INT64, By	Bytes sent and received by all databases of this resource.
	direction: Direction of traffic ('sent', 'received').




`/operation_count` Operations

CUMULATIVE, INT64, Operations	The number of operations executed.
	operation: Operation performed ('command', 'delete', 'get_more', 'insert', 'query', 'update', 'fastmod').




`/mongod/assert/count` Assert Count

CUMULATIVE, INT64, n/a	Number of assertions raised since the MongoDB process started.
	type: Type of assert ('message', 'regular', 'rollover', 'user', 'warning').




`/memory_usage` Memory usage

GAUGE, DOUBLE, MBy	Mebibytes of memory used.
	memory_type: Memory usage (mapped, resident, virtual).
	database_name: The name of the MongoDB server.




`/mongod/cursor/open_count` Cursor Open Count

GAUGE, INT64, n/a	Total number of cursors this environment maintains.





`/mongod/cursor/timed_out_count` Cursor Timed Out Count

CUMULATIVE, INT64, n/a	Total number of cursors that have timed out.





`/mongod/cache/dirty` Cache Dirty

GAUGE, INT64, By	Amount of dirty data in cache.





`/mongod/cache/current` Cache Current

GAUGE, INT64, By	Amount of bytes currently in cache.





`/connections` Connections

GAUGE, DOUBLE, n/a	The number of active server connections.
	database_name: The name of the MongoDB server.




`/mongod/connection/available_count` Connection Available Count

GAUGE, INT64, n/a	Number of unused incoming connections available to this resource.





`/mongod/background/flushing_average` Background Flushing Average

GAUGE, INT64, ms	Average time for each flush to disk.





`/mongod/background/flushing_flushes` Background Flushing Flushes

CUMULATIVE, INT64, n/a	Number of times the databases on this resource has flushed all writes to disk.





`/mongod/background/flushing_last` Background Flushing Last

GAUGE, INT64, ms	Time it took the last flush operation to complete.





`/mongod/background/flushing_total` Background Flushing Total

GAUGE, INT64, ms	Time the mongod processes have spent writing data to disk.





`/mongod/locks/deadlocks` Lock Deadlocks

CUMULATIVE, INT64, n/a	Number of times lock acquisitions encountered deadlocks on this resource.
	mode: The mode of lock deadlock (exclusive, shared, intent_shared, intent_exclusive)
	level: The granular level of the deadlock (global, database, collection, document).




`/mongod/locks/waits` Locks Waits

CUMULATIVE, INT64, n/a	Number of times lock acquisitions encountered waits because locks were held in a conflicting mode.
	mode: The mode of lock wait (exclusive, shared, intent_shared, intent_exclusive).
	level: The granular level of the lock (global, database, collection).




`/mongod/locks/acquired` Locks Acquired

CUMULATIVE, INT64, n/a	Number of times a lock was acquired.
	mode: The mode of lock acquire (exclusive, shared, intent_shared, intent_exclusive)
	level: The granular level of the lock (global, database, collection, document).




`/global_lock_hold_time` Global lock time

CUMULATIVE, INT64, s	The time the global lock has been held.





`/mongod/locks/time` Locks Time

CUMULATIVE, INT64, us	Time waiting for lock acquisitions because locks were held in a conflicting mode.
	mode: The mode of lock wait (exclusive, shared, intent_shared, intent_exclusive)
	level: The granular level of the lock (global, database, collection, document).




`/mongod/commits` Commits

CUMULATIVE, INT64, n/a	Transactions written to journal during latest journal group commit interval.





`/mongod/commits_in_write_lock` Commits In Write Lock

CUMULATIVE, INT64, n/a	Commits that occurred while a write lock was held.





`/mongod/log/compressed_records` Compressed Log Records

CUMULATIVE, INT64, Records	Total Amount of journaling compressed records since last checkpoint.





`/mongod/memory/compressed_log_records` Compressed Log Records in Memory

CUMULATIVE, INT64, By	Total memory used for storing compressed records.





`/mongod/log/compressed_records_size` Compressed Log Records Size

CUMULATIVE, INT64, By	Total size of records compressed by WiredTiger since last checkpoint.





`/mongod/compression_ratio` Compression Ratio

GAUGE, INT64, n/a	Compression Ratio of the data written to journal.





`/mongod/consolidated_logging` Consolidated Logging

GAUGE, DOUBLE, By	Amount of logging data consolidated.





`/mongod/created_connections` Created Connections

CUMULATIVE, INT64, n/a	Count of all incoming connections created to this resource.





`/mongod/data_journaled` Data Journaled

GAUGE, INT64, MBy	Data written to journal during latest journal group commit interval.





`/mongod/delay_behind_primary` Delay Behind Primary

GAUGE, INT64, s	Mongod delay behind the primary not accounting for the slave delay.





`/mongod/documents/operation_count` Documents Operations Count

CUMULATIVE, INT64, n/a	Number of document operations performed.
	operation: The type of document operation (moved, deleted, inserted, returned, updated)




`/mongod/early_commits` Early Commits

CUMULATIVE, INT64, n/a	Requested commits before the scheduled journal group commit interval.





`/mongod/log/forced_writes_skipped` Forced Log Writes Skipped

CUMULATIVE, INT64, Operations	Amount of forced log write operations that were skipped.





`/mongod/global_lock/active_client_readers` Global Lock Active Client Readers

GAUGE, INT64, n/a	Number of active client connections performing read operations.





`/mongod/global_lock/active_client_writers` Global Lock Active Client Writers

GAUGE, INT64, n/a	Number of active client connections performing write operations.





`/mongod/global_lock/active_clients_total` Global Lock Active Clients Total

GAUGE, INT64, n/a	Number of active client connections to the database.





`/mongod/global_lock/current_queue_readers` Global Lock Current Queue Readers

GAUGE, INT64, n/a	Number of operations currently queued and waiting for the read lock.





`/mongod/global_lock/current_queue_total` Global Lock Current Queue Total

GAUGE, INT64, n/a	Number of operations queued waiting for the lock.





`/mongod/global_lock/current_queue_writers` Global Lock Current Queue Writers

GAUGE, INT64, n/a	Number of operations currently queued and waiting for the write lock.





`/mongod/global_lock/total_time` Global Lock Total Time

GAUGE, INT64, us	Time since database last started and created the globalLock.





`/mongod/memory/heap_used` Heap Used

GAUGE, INT64, By	Heap used by this resources database processes.





`/mongod/idhack_queries` Idhack Queries

CUMULATIVE, INT64, n/a	Number of queries that contain the _id field.





`/mongod/io/wait_time` IO Wait Time

GAUGE, DOUBLE, %	Percentage of time waiting for lock acquisitions.





`/mongod/log/buffer_size` Log Buffer Size

GAUGE, DOUBLE, By	WiredTiger total storage size of log buffer.





`/mongod/log/file_yields` Log File Yields

CUMULATIVE, INT64, n/a	Count of delayed journal writes waiting for previous log file to close.





`/mongod/log/payload_size` Log Payload Size

CUMULATIVE, INT64, By	Data size of log payload data.





`/mongod/log/record_scans` Logs Record Scans

CUMULATIVE, INT64, Scans	Amount of records processed by log scan.





`/mongod/log/record_scans_requiring_two_reads` Log Records Scans Requiring Two Reads

CUMULATIVE, INT64, Scans	Amount of records requiring two reads when log scanned.





`/mongod/log/operation_count` Log Count

CUMULATIVE, INT64, Operations	Number of log operations.
	type: The type of operation.




`/mongod/log/maximum_size` Maximum Log Size

GAUGE, DOUBLE, By	Max size a log file can be before a new file is created.





`/mongod/network/request_count` Network Request Count

CUMULATIVE, INT64, n/a	Number of requests this resource has received.





`/mongod/tickets/out` Out Tickets

GAUGE, INT64, n/a	Number of outgoing tickets.
	operation: The operation of the out ticket (read, write).




`/cache/misses` Cache misses

CUMULATIVE, INT64, n/a	The number of cache misses.





`/cache/requests` Cache Pages Requested

CUMULATIVE, INT64, n/a	Number of pages requested from cache.





`/mongod/log/preallocated_files_queued` Preallocated Log Files Queued

GAUGE, INT64, n/a	Amount of pre-allocated log files queued to write to disk.





`/mongod/log/preallocated_log_files_used` Preallocated Log Files Used

GAUGE, INT64, n/a	Amount of pre-allocated log files used.





`/mongod/log/preallocated_prepared_log_files` Preallocated Prepared Log Files

GAUGE, INT64, n/a	Amount of pre-allocated log files prepared to write to disk.





`/mongod/log/preallocated_unready_files` Preallocated Unready Log Files

GAUGE, INT64, n/a	Amount of pre-allocated log files that are not ready and missed.





`/mongod/cache/throughput` Cache Throughput

CUMULATIVE, INT64, By	Bytes read and wrote to cache.
	operation: Type of operation coming from the cache (read, written).




`/mongod/tickets` Tickets

GAUGE, INT64, n/a	Number of Read and Write Tickets
	operation: Type of operation (read, write)




`/mongod/replication/operation_count` Replicated Operations Count

CUMULATIVE, INT64, Operations	Number of replicated operations
	operation: The type of operation (delete, get_more, insert, query, update)




`/mongod/replication/total_count` Replication Command Count

CUMULATIVE, INT64, Operations	Number of replicated database commands since mongod instance last started.





`/mongod/slave_delay` Slave Delay

GAUGE, INT64, s	Intentional lag time behind the primary of this resource's replica set.





`/mongod/slots_coalesced` Slots Coalesced

GAUGE, INT64, Writes	Amount of written slots coalesced.





`/mongod/sort_queries` Sort Queries

CUMULATIVE, INT64, n/a	Number of queries that return sorted numbers that cannot perform the sort operation using an index.





`/mongod/switch_slot_attempts` Switch Slot Attempts

CUMULATIVE, INT64, Attempts	Amount of busy returns attempting to switch slots.





`/mongod/log/uncompressed_records` Uncompressed Log Records

CUMULATIVE, INT64, Records	Total number of uncompressed journal log records since last checkpoint.





`/mongod/vote_count` Vote Count

GAUGE, INT64, n/a	Number of votes this resource will have in a replica set election.





`/mongod/write_backs_queued` Write Backs Queued

GAUGE, BOOL, n/a	Indicates if there are operations from a mongos instance queued for retrying.





`/mongod/write_conflict_queries` Write Conflict Queries

CUMULATIVE, INT64, n/a	Number of queries that encountered write conflicts.





`/mongod/write_lock` Write Lock

GAUGE, DOUBLE, %	Percentage of writes encountered locks.





`/mongod/written_to_data_files` Written to Data Files

GAUGE, INT64, MBy	Data written from journal during latest journal group commit interval.





`/mongod/tickets/available` Available Tickets

GAUGE, INT64, n/a	Number of available read and write tickets.
	operation: Type of operation (read, write).




`/mongod/log/too_small_uncompressed_log_records` Too Small Uncompressed Log Records

CUMULATIVE, INT64, Records	Number of journal records uncompressed because they were 128 bytes or smaller in size.





`/mongod/page_faults` Page Faults

CUMULATIVE, INT64, n/a	Total number of page faults.





`/mongod/log/written_log_data` Written Log Data

CUMULATIVE, INT64, By	Amount of data written to logs using WiredTiger storage engine since last checkin.





`/mongos/network/traffic_count` Network Traffic Count

CUMULATIVE, INT64, By	Bytes sent and received by all databases of this resource.
	direction: Direction of traffic ('sent', 'received').




`/mongos/assert/count` Assert Count

CUMULATIVE, INT64, n/a	Number of assertions raised since the MongoDB process started.
	type: Type of assert ('message', 'regular', 'rollover', 'user', 'warning').




`/mongos/connection/available_count` Connection Available Count

GAUGE, INT64, n/a	Number of unused incoming connections available to this resource.





`/mongos/background/flushing_average` Background Flushing: Average

GAUGE, INT64, ms	Average time for each flush to disk.





`/mongos/background/flushing_flushes` Background Flushing: Flushes

CUMULATIVE, INT64, n/a	Number of times the databases on this resource has flushed all writes to disk.





`/mongos/background/flushing_last` Background Flushing: Last

GAUGE, INT64, ms	Time it took the last flush operation to complete.





`/mongos/background/flushing_total` Background Flushing: Total

GAUGE, INT64, ms	Time the mongod processes have spent writing data to disk.





`/mongos/connections/utilization` Connections Utilization

GAUGE, DOUBLE, %	The percent of connections being used.





`/mongos/created_connections` Created Connections

CUMULATIVE, INT64, n/a	Count of all incoming connections created to this resource.





`/connections` Connections

GAUGE, DOUBLE, n/a	The number of active server connections.
	database_name: The name of the MongoDB server.




`/mongos/heap_used` Heap Used

GAUGE, INT64, By	Heap used by this resources database processes.





`/mongos/network/request_count` Network Request Count

CUMULATIVE, INT64, n/a	Number of requests this resource has received.





`/mongos/memory/page_fault_count` Memory Page Fault Count

CUMULATIVE, INT64, n/a	Total number of page faults.





`/memory_usage` Memory usage

GAUGE, DOUBLE, MBy	Mebibytes of memory used.
	memory_type: Memory usage (mapped, resident, virtual).
	database_name: The name of the MongoDB server.




`/mongos/page_faults_to_operations_ratio` Page Faults to Operations Ratio

GAUGE, DOUBLE, n/a	The ratio of Page Faults to Operations.





`/mongos/page_faults_to_operations_ratio_greater_than_1` Page Faults to Operations Ratio Greater Than 1

GAUGE, BOOL, n/a	The ratio of Page Faults to Operations is greater than or equal to one.





`/operation_count` Operations

CUMULATIVE, INT64, Operations	The number of operations executed.
	operation: Operation performed ('command', 'delete', 'get_more', 'insert', 'query', 'update', 'fastmod').




`/replica_set/data_bearing_nodes` Data Bearing Nodes

GAUGE, INT64, n/a	Number of Data Bearing Mongods that are not Arbiters.





`/replica_set/heartbeat_interval` Heartbeat Interval

GAUGE, INT64, ms	Frequency of this resource's heartbeats.





`/replica_set/last_error_default` Last Error Default

GAUGE, INT64, n/a	Last error default of this resource.





`/replica_set/last_error_modes` Last Error Modes

GAUGE, INT64, n/a	Last error modes of this resource.





`/replica_set/odd_votes_count` Odd Votes Count

GAUGE, BOOL, n/a	Replica Set odd votes. 1 if odd, 0 if even.





`/replica_set/request_votes` Request Votes

GAUGE, INT64, n/a	Total request votes in a replica set.

🚧Metric prefixes

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Metric prefixes