Metrics

Function

This section describes GeminiDB metrics reported to Cloud Eye as well as their namespaces and dimensions. You can use APIs provided by Cloud Eye to query metrics of monitored objects and alarms generated for GeminiDB.

Namespace

SYS.NoSQL

GeminiDB Redis Metrics

GeminiDB Influx Metrics

**Table 1** GeminiDB Influx metrics
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
gemini001_cpu_usage	CPU Usage	CPU usage of the monitored system Unit: Percent	0–100	GeminiDB Influx instance node	1 minute
gemini002_mem_usage	Memory Usage	Memory usage of the monitored system Unit: Percent	0–100	GeminiDB Influx instance node	1 minute
gemini003_bytes_out	Network Output Throughput	Outgoing traffic in bytes per second Unit: kbit/s	≥ 0	GeminiDB Influx instance nodes	1 minute
gemini004_bytes_in	Network Input Throughput	Incoming traffic in bytes per second Unit: kbit/s	≥ 0	GeminiDB Influx instance nodes	1 minute
nosql005_disk_usage	Storage Space Usage	Storage space usage of the monitored object. Unit: Percent	0–100	GeminiDB Influx instances	1 minute
nosql006_disk_total_size	Total Storage Space	Total storage space of the monitored object. Unit: GB	≥ 0	GeminiDB Influx instances	1 minute
nosql007_disk_used_size	Used Storage Space	Used storage space of the monitored object. Unit: GB	≥ 0	GeminiDB Influx instances	1 minute
influxdb001_series_num	Time Series	Total number of time series Unit: count	≥ 0	GeminiDB Influx instance nodes	1 minute
influxdb002_query_req_ps	Query Requests Per Second	Number of query requests per second Unit: count/s	≥ 0	GeminiDB Influx instance nodes	1 minute
influxdb003_write_req_ps	Write Requests Per Second	Number of write requests per second Unit: count/s	≥ 0	GeminiDB Influx instance nodes	1 minute
influxdb004_write_points_ps	Write Points	Number of write points per second Unit: count/s	≥ 0	GeminiDB Influx instance nodes	1 minute
influxdb005_write_concurrency	Concurrent Write Requests	Number of concurrent write requests Unit: count	≥ 0	GeminiDB Influx instance nodes	1 minute
influxdb006_query_concurrency	Concurrent Queries	Number of concurrent query requests Unit: count	≥ 0	GeminiDB Influx instance nodes	1 minute

GeminiDB Cassandra Metrics

**Table 2** GeminiDB Cassandra metrics
Metric ID	Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
nosql005_disk_usage	Storage Space Usage	Storage space usage of the monitored object. Unit: Percent	0–100	GeminiDB Cassandra instances	1 minute
nosql006_disk_total_size	Total Storage Space	Total storage space of the monitored object. Unit: GB	≥ 0	GeminiDB Cassandra instances	1 minute
nosql007_disk_used_size	Used Storage Space	Used storage space of the monitored object. Unit: GB	≥ 0	GeminiDB Cassandra instances	1 minute
nosql009_dfv_write_delay	Storage Write Latency	Average delay of writing data to the storage layer in a specified period Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
nosql010_dfv_read_delay	Storage Read Latency	Average latency of reading data from the storage layer in a specified period Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra001_cpu_usage	CPU Usage	CPU usage of an instance Unit: Percent	0–100	GeminiDB Cassandra instance nodes	1 minute
cassandra002_mem_usage	Memory Usage	Memory usage of the instance Unit: Percent	0–100	GeminiDB Cassandra instance nodes	1 minute
cassandra003_bytes_out	Network Output Throughput	Outgoing traffic in bytes per second Unit: byte/s	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra004_bytes_in	Network Input Throughput	Incoming traffic in bytes per second Unit: byte/s	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra014_connections	Active Node Connections	Total number of connections attempting to connect to Cassandra instance nodes Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra015_read_latency	Average Read Latency	Average amount of time consumed by read requests Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra016_write_latency	Average Write Latency	Average amount of time consumed by write requests Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra037_pending_write	Suspended Write Tasks	Number of write tasks in waiting status Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra038_pending_read	Suspended Read Tasks	Number of read tasks in waiting status Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra044_range_slice_latency	Scan Duration	Average amount of time consumed by scan operations Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra049_dropped_mutation	Dropped Writes	Average number of dropped writes Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra052_dropped_read	Dropped Reads	Average number of dropped reads Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra092_load_info	Data Volume on a Node	Data volume on a node Unit: byte	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra093_write_count_latency	Accumulated Write Requests	Total number of write requests initiated by a node Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra094_write_1min_rate	Average Write Rate in the Last Minute	Average write rate in the last minute Unit: count/s	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra095_write_p75_latency	p75 Write Latency	p75 write latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra096_write_p95_latency	p95 Write Latency	p95 write latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra097_write_p99_latency	p99 Write Latency	p99 write latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra098_read_count_latency	Accumulated Read Requests	Total number of read requests initiated by a node Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra099_read_1min_rate	Average Read Rate in the Last Minute	Average read rate in the last minute Unit: count/s	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra100_read_p75_latency	p75 Read Latency	p75 read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra101_read_p95_latency	p95 Read Latency	p95 read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra102_read_p99_latency	p99 Read Latency	p99 read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra103_range_slice_count_latency	Accumulated Range Read Requests	Accumulated range read requests Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra104_range_slice_1min_rate	Average Range Read Rate in the Last Minute	Average range read rate in the last minute Unit: count/s	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra105_range_slice_p75_latency	p75 Range Read Latency	p75 range read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra106_range_slice_p95_latency	p95 Range Read Latency	p95 range read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra107_range_slice_p99_latency	p99 Range Read Latency	p99 range read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra163_write_p999_latency	p999 Write Latency	p999 write latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra164_read_p999_latency	p999 Read Latency	p999 read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra165_large_partition_num	Big Keys	Number of big keys on the current node Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra166_write_max_latency	Maximum Write Latency	Maximum write latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra167_read_max_latency	Maximum Read Latency	Maximum read latency Unit: ms	≥ 0	GeminiDB Cassandra instance nodes	1 minute
cassandra168_imbalance_table_num	Tables with Uneven Data Distribution	Number of tables in which data is not evenly distributed. Unit: count	≥ 0	GeminiDB Cassandra instance nodes	1 minute

GeminiDB Mongo Metrics

**Table 3** GeminiDB Mongo metrics
Metric ID	Metric Name	Description	Value Range	Monitored Object	Monitoring Period (Raw Data)
nosql001_cpu_usage	CPU Usage	CPU usage of the monitored system Unit: Percent	0–100	GeminiDB Mongo instance nodes	1 minute
nosql002_mem_usage	Memory Usage	Memory usage of the monitored system Unit: Percent	0–100	GeminiDB Mongo instance nodes	1 minute
nosql003_bytes_out	Network Output Throughput	Outgoing traffic in bytes per second Unit: bytes/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
nosql004_bytes_in	Network Input Throughput	Incoming traffic in bytes per second Unit: bytes/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
nosql005_disk_usage	Storage Space Usage	Storage space usage of the monitored object. Unit: Percent	0–100	GeminiDB Mongo instances	1 minute
nosql006_disk_total_size	Total Storage Space	Total storage space of the monitored object. Unit: GB	≥ 0	GeminiDB Mongo instances	1 minute
nosql007_disk_used_size	Used Storage Space	Used storage space of the monitored object. Unit: GB	≥ 0	GeminiDB Mongo instances	1 minute
mongodb001_command_ps	COMMAND Statements per Second	Number of COMMAND statements executed per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb002_delete_ps	DELETE Statements per Second	Number of DELETE statements executed per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb003_insert_ps	INSERT Statements per Second	Number of INSERT statements executed per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb004_query_ps	QUERY Statements per Second	Number of QUERY statements executed per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb005_update_ps	UPDATE Statements per Second	Number of UPDATE statements executed per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb006_getmore_ps	GETMORE Statements per Second	Number of GETMORE statements executed per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb007_connections	Current Active Connections	Total number of connections attempting to connect to DB instance nodes Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb007_connections_usage	Percentage of Active Node Connections	Percentage of the number of connections that attempt to connect to the instance node to the total number of available connections Unit: Percent	0–100	GeminiDB Mongo instance nodes	1 minute
mongodb008_mem_resident	Resident Memory	Size of resident memory The unit is MB.	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb009_mem_virtual	Virtual Memory	Size of the virtual memory The unit is MB.	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb010_regular_asserts_ps	Regular Asserts per Second	Number of regular asserts per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb011_warning_asserts_ps	Warning Asserts per Second	Number of warning asserts per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb012_msg_asserts_ps	Message Asserts per Second	Number of message asserts per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb013_user_asserts_ps	User Asserts per Second	Number of user asserts per second Unit: count/s	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb014_queues_total	Operations Queued Waiting for a Lock	Number of operations queued waiting for the lock Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb015_queues_readers	Operations Queued Waiting for a Read Lock	Number of operations queued waiting for the read lock Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb016_queues_writers	Operations Queued Waiting for a Write Lock	Number of operations queued waiting for the write lock Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb017_page_faults	Page Faults	Number of page faults on the monitored nodes Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb018_porfling_num	Slow Queries	Number of slow queries on the monitored nodes Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb019_cursors_open	Maintained Cursors	Number of maintained cursors on the monitored nodes Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute
mongodb020_cursors_timeout	Timeout Cursors	Number of timed out cursors on the monitored nodes Unit: count	≥ 0	GeminiDB Mongo instance nodes	1 minute

Dimensions

Key	Value
cassandra_cluster_id,cassandra_node_id	Cluster ID or node ID of the GeminiDB Cassandra instance
redis_cluster_id,redis_node_id	Cluster ID or node ID of the GeminiDB Redis instance
influxdb_cluster_id,influxdb_node_id	Cluster ID or node ID of the GeminiDB Influx instance
mongodb_cluster_id,mongodb_node_id	Cluster ID or node ID of the GeminiDB Mongo instance