MongoDB Atlas

Metric name	Metric key	Description	Unit
CPU usage - children kernel	mongo.atlas.PROCESS_CPU_CHILDREN_KERNEL	MongoDB CPU usage - children kernel	Percent
CPU usage - children user	mongo.atlas.PROCESS_CPU_CHILDREN_USER	MongoDB CPU usage - children user	Percent
CPU usage - kernel	mongo.atlas.PROCESS_CPU_KERNEL	MongoDB CPU usage - kernel	Percent
CPU usage - user	mongo.atlas.PROCESS_CPU_USER	MongoDB CPU usage - user	Percent
CPU usage normalized - children kernel	mongo.atlas.PROCESS_NORMALIZED_CPU_CHILDREN_KERNEL	MongoDB CPU normalized - children kernel	Percent
CPU usage normalized - children user	mongo.atlas.PROCESS_NORMALIZED_CPU_CHILDREN_USER	MongoDB CPU normalized - children user	Percent
CPU usage normalized - kernel	mongo.atlas.PROCESS_NORMALIZED_CPU_KERNEL	MongoDB CPU normalized - kernel	Percent
CPU usage normalized - user	mongo.atlas.PROCESS_NORMALIZED_CPU_USER	MongoDB CPU normalized - user	Percent
Swap usage free	mongo.atlas.SWAP_USAGE_FREE	Total amount of swap space free.	Byte
Swap usage used	mongo.atlas.SWAP_USAGE_USED	Total amount of swap space used.	Byte
System CPU - guest	mongo.atlas.SYSTEM_CPU_GUEST	The percentage of time the CPU spent servicing guest, which is included in user.	Percent
System CPU - iowait	mongo.atlas.SYSTEM_CPU_IOWAIT	The percentage of time the CPU spent waiting for IO operations to complete.	Percent
System CPU - hardware interrupts	mongo.atlas.SYSTEM_CPU_IRQ	The percentage of time the CPU spent performing hardware interrupts.	Percent
System CPU - kernel	mongo.atlas.SYSTEM_CPU_KERNEL	The percentage of time the CPU spent servicing operating system calls from all processes.	Percent
System CPU - nice	mongo.atlas.SYSTEM_CPU_NICE	The percentage of time the CPU spent occupied by all processes with a positive nice value.	Percent
System CPU - software interrupts	mongo.atlas.SYSTEM_CPU_SOFTIRQ	The percentage of time the CPU spent performing software interrupts.	Count
System CPU - steal	mongo.atlas.SYSTEM_CPU_STEAL	The percentage of time the CPU had something runnable, but the hypervisor chose to run something else.	Count
System CPU - user	mongo.atlas.SYSTEM_CPU_USER	The percentage of time the CPU spent servicing all user applications (not just MongoDB processes).	Count
System network incoming bytes	mongo.atlas.SYSTEM_NETWORK_IN	Physical bytes received per second by the eth0 network interface.	BytePerSecond
System network outgoing bytes	mongo.atlas.SYSTEM_NETWORK_OUT	Physical bytes trasmitted per second by the eth0 network interface.	BytePerSecond
System CPU normalized - guest	mongo.atlas.SYSTEM_NORMALIZED_CPU_GUEST	The percentage of time the CPU spent servicing guest, which is included in user.	Percent
System CPU normalized - kernel	mongo.atlas.SYSTEM_NORMALIZED_CPU_KERNEL	The percentage of time the CPU spent servicing operating system calls from all processes.	Percent
System CPU normalized - nice	mongo.atlas.SYSTEM_NORMALIZED_CPU_NICE	The percentage of time the CPU spent occupied by all processes with a positive nice value.	Count
System CPU normalized - iowait	mongo.atlas.SYSTEM_NORMALIZED_CPU_IOWAIT	The percentage of time the CPU spent waiting for IO operations to complete.	Percent
System CPU normalized - hardware interrupts	mongo.atlas.SYSTEM_NORMALIZED_CPU_IRQ	The percentage of time the CPU spent performing hardware interrupts.	Percent
System CPU normalized - software interrupts	mongo.atlas.SYSTEM_NORMALIZED_CPU_SOFTIRQ	The percentage of time the CPU spent performing software interrupts.	Percent
System CPU normalized - steal	mongo.atlas.SYSTEM_NORMALIZED_CPU_STEAL	The percentage of time the CPU had something runnable, but the hypervisor chose to run something else.	Percent
System CPU normalized - user	mongo.atlas.SYSTEM_NORMALIZED_CPU_USER	The percentage of time the CPU spent servicing all user applications (not just MongoDB processes).	Percent

Metric name	Metric key	Description	Unit
Disk partition IOPS read	mongo.atlas.DISK_PARTITION_IOPS_READ	Throughput of I/O read operations for the disk partition used for MongoDB.	PerSecond
Disk partition IOPS write	mongo.atlas.DISK_PARTITION_IOPS_WRITE	Throughput of I/O write operations for the disk partition used for MongoDB.	PerSecond
Disk partition space free	mongo.atlas.DISK_PARTITION_SPACE_PERCENT_FREE	The free disk space on the disk partition used by MongoDB.	Count

Metric name	Metric key	Description	Unit
FTS disk utilization	mongo.atlas.FTS_DISK_UTILIZATION	Total bytes of disk space that search processes use.	Byte
FTS process cpu kernel	mongo.atlas.FTS_PROCESS_CPU_KERNEL	Percentage of time that the CPU spent servicing operating system calls for the search process.	Percent
FTS process cpu user	mongo.atlas.FTS_PROCESS_CPU_USER	Percentage of time that the CPU spent servicing user calls for the search process.	Percent
FTS process normalized cpu kernel	mongo.atlas.FTS_PROCESS_NORMALIZED_CPU_KERNEL	Percentage of time that the CPU spent servicing operating system calls for the search process.	Percent
FTS process normalized cpu user	mongo.atlas.FTS_PROCESS_NORMALIZED_CPU_USER	Percentage of time that the CPU spent servicing user calls for the search process.	Percent
FTS process resident memory	mongo.atlas.FTS_PROCESS_RESIDENT_MEMORY	Total bytes of resident memory that search processes occupy.	Byte
FTS process shared memory	mongo.atlas.FTS_PROCESS_SHARED_MEMORY	Total bytes of shared memory that search processes occupy.	Byte
FTS process virtual memory	mongo.atlas.FTS_PROCESS_VIRTUAL_MEMORY	Total bytes of virtual memory that search processes occupy.	Byte

Metric name	Metric key	Description	Unit
Asserts Message	mongo.atlas.ASSERT_MSG	The number of message assertions raised since the MongoDB process started.	Count
Asserts Regular	mongo.atlas.ASSERT_REGULAR	The number of regular assertions raised since the MongoDB process started	Count
Asserts User	mongo.atlas.ASSERT_USER	The number of "user asserts" that have occurred since the last time the MongoDB process started.	Count
Current Connections	mongo.atlas.CONNECTIONS	The number of incoming connections from clients to the database server.	Count
Total Cursors Open	mongo.atlas.CURSORS_TOTAL_OPEN	The total number of cursors that have been opened since mongos started, including cursors currently open.	Count
Total Cursors Timed Out	mongo.atlas.CURSORS_TOTAL_TIMED_OUT	The total number of cursors that have timed out since the server process started.	Count
Documents Deleted	mongo.atlas.DOCUMENT_METRICS_DELETED	The total number of documents deleted.	Count
Documents Inserted	mongo.atlas.DOCUMENT_METRICS_INSERTED	The total number of documents inserted.	Count
Documents Returned	mongo.atlas.DOCUMENT_METRICS_RETURNED	The total number of documents returned by queries.	Count
Documents Updated	mongo.atlas.DOCUMENT_METRICS_UPDATED	The total number of documents updated.	Count
Page faults	mongo.atlas.EXTRA_INFO_PAGE_FAULTS	The total number of page faults	Count
Global lock current queue readers	mongo.atlas.GLOBAL_LOCK_CURRENT_QUEUE_READERS	The number of operations that are currently queued and waiting for the read lock.	Count
Global lock current queue total	mongo.atlas.GLOBAL_LOCK_CURRENT_QUEUE_TOTAL	The total number of operations queued waiting for the lock (readers + writers)	Count
Global lock current queue writers	mongo.atlas.GLOBAL_LOCK_CURRENT_QUEUE_WRITERS	The number of operations that are currently queued and waiting for the write lock.	Count
Cluster data logical size	mongo.atlas.LOGICAL_SIZE	Logical size of cluster data.	Byte
Memory Resident	mongo.atlas.MEMORY_RESIDENT	The amount of RAM, in mebibyte (MiB), currently used by the database process.	MebiByte
Memory Virtual	mongo.atlas.MEMORY_VIRTUAL	The quantity, in mebibyte (MiB), of virtual memory used by the mongod process.	MebiByte
Network bytes in	mongo.atlas.NETWORK_BYTES_IN	The total number of bytes that the server has received over network connections initiated by clients or other mongod or mongos instances.	Byte
Network bytes out	mongo.atlas.NETWORK_BYTES_OUT	The total number of bytes that the server has sent over network connections initiated by clients or other mongod or mongos instances.	Byte
Network number of requests	mongo.atlas.NETWORK_NUM_REQUESTS	The total number of distinct requests that the server has received.	Count
Opcounters Command	mongo.atlas.OPCOUNTER_CMD	The total number of commands issued to the database since the mongod instance last started.	Count
Opcounters Delete	mongo.atlas.OPCOUNTER_DELETE	The total number of delete operations since the mongod instance last started.	Count
Opcounters GetMore	mongo.atlas.OPCOUNTER_GETMORE	The total number of getMore operations since the mongod instance last started.	Count
Opcounters Insert	mongo.atlas.OPCOUNTER_INSERT	The total number of insert operations received since the mongod instance last started.	Count
Opcounters Query	mongo.atlas.OPCOUNTER_QUERY	The total number of queries received since the mongod instance last started.	Count
Opcounters update	mongo.atlas.OPCOUNTER_UPDATE	The total number of update operations received since the mongod instance last started.	Count
Operations scan and order	mongo.atlas.OPERATIONS_SCAN_AND_ORDER	The total number of queries that return sorted numbers that cannot perform the sort operation using an index.	Count
todo	mongo.atlas.OPLOG_MASTER_LAG_TIME_DIFF	todo	Count
Oplog master time	mongo.atlas.OPLOG_MASTER_TIME	Duration of the Oplog master process	Second
Oplog rate	mongo.atlas.OPLOG_RATE_MB_PER_MIN	Oplog rate (MB/min) - calculated from OPLOG_RATE_GB_PER_HOUR	MegaBytePerMinute
Oplog replication lag time	mongo.atlas.OPLOG_REPLICATION_LAG_TIME	Oplog process replication lag time	Second
Operation execution time commands	mongo.atlas.OP_EXECUTION_TIME_COMMANDS	The average execution time in milliseconds per command operation over the selected sample period.	MilliSecond
Operation execution time reads	mongo.atlas.OP_EXECUTION_TIME_READS	The average execution time in milliseconds per read operation over the selected sample period.	MilliSecond
Operation execution time writes	mongo.atlas.OP_EXECUTION_TIME_WRITES	The average execution time in milliseconds per write operation over the selected sample period.	MilliSecond
Query executor scanned	mongo.atlas.QUERY_EXECUTOR_SCANNED	The average rate per second over the selected sample period of index items scanned during queries and query-plan evaluation.	PerSecond
Query executor scanned objects	mongo.atlas.QUERY_EXECUTOR_SCANNED_OBJECTS	The average rate per second over the selected sample period of documents scanned during queries and query-plan evaluation.	Count
Query targeting scanned objects per returned	mongo.atlas.QUERY_TARGETING_SCANNED_OBJECTS_PER_RETURNED	The ratio of the number of documents scanned to the number of documents returned by queries, since the previous data point for the selected sample period.	Count
Query targeting scanned per returned	mongo.atlas.QUERY_TARGETING_SCANNED_PER_RETURNED	The ratio of the number of index items scanned to the number of documents returned by queries, since the previous data point for the selected sample period.	Count
Tickets available reads	mongo.atlas.TICKETS_AVAILABLE_READS	The number of read tickets available to the WiredTiger storage engine.	Count
Tickets available writes	mongo.atlas.TICKETS_AVAILABLE_WRITE	The number of write tickets available to the WiredTiger storage engine.	Count