GaussDB(for Cassandra) Monitoring Metrics¶
Description¶
This section describes GaussDB(for Cassandra) metrics reported to Cloud Eye as well as their namespaces and dimensions. You can use APIs provided by Cloud Eye to query the metrics of the monitored object and alarms generated for GaussDB(for Cassandra).
Namespace¶
SYS.NoSQL
Metrics¶
Metric | Name | Description | Value Range | Monitored Object | Monitoring Interval (Raw Data) |
|---|---|---|---|---|---|
nosql005_disk_usage | Storage Space Usage | Storage space usage of the monitored object Unit: Percent | 0-100% | Measured object: ECS Monitored object: GaussDB NoSQL instance | 1 minute |
nosql006_disk_total_size | Total Storage Space | Total storage space of the monitored object Unit: GB | >= 0 GB | Measured object: ECS Monitored object: GaussDB NoSQL instance | 1 minute |
nosql007_disk_used_size | Used Storage Space | Used storage space of the monitored object Unit: GB | >= 0 GB | Measured object: ECS Monitored object: GaussDB NoSQL instance | 1 minute |
cassandra001_cpu_usage | CPU Usage | CPU usage of an instance Unit: Percent | 0-100% | Measured object: ECS Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra002_mem_usage | Memory Usage | Memory usage of the instance Unit: Percent | 0-100% | Measured object: ECS Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra003_bytes_out | Network Output Throughput | Outgoing traffic in bytes per second Unit: byte/s | >= 0 Bytes/s | Measured object: ECS Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra004_bytes_in | Network Input Throughput | Incoming traffic in bytes per second Unit: byte/s | >= 0 Bytes/s | Measured object: ECS Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra014_connections | Active Node Connections | Total number of connections attempting to connect to Cassandra instance nodes Unit: count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra015_read_latency | Average Read Latency | Average amount of time consumed by read requests Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra016_write_latency | Average Write Latency | Average amount of time consumed by write requests Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra037_pending_write | Suspended Write Tasks | Number of write tasks in waiting status Unit: count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra038_pending_read | Suspended Read Tasks | Number of read tasks in waiting status Unit: count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra044_range_slice_latency | Scan Duration | Average amount of time consumed by scan operations Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra049_dropped_mutation | Dropped Writes | Average number of dropped writes Unit: Count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra052_dropped_read | Dropped Reads | Average number of dropped reads Unit: Count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra092_load_info | Data Volume on a Node | Data volume on a node Unit: byte | >= 0 Bytes | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra093_write_count_latency | Accumulated Write Requests | Total number of write requests initiated by a node Unit: count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra094_write_1min_rate | Average Write Rate in the Last Minute | Average write rate in the last minute Unit: Count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra095_write_p75_latency | P75 Write Latency | P75 write latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra096_write_p95_latency | P95 Write Latency | P95 write latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra097_write_p99_latency | P99 Write Latency | P99 write latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra098_read_count_latency | Accumulated Read Requests | Total number of read requests initiated by a node Unit: count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra099_read_1min_rate | Average Read Rate in the Last Minute | Average read rate in the last minute Unit: Count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra100_read_p75_latency | P75 Read Latency | P75 read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra101_read_p95_latency | P95 Read Latency | P95 read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra102_read_p99_latency | P99 Read Latency | P99 read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra103_range_slice_count_latency | Accumulated Range Read Requests | Accumulated range read requests Unit: Count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 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 | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra105_range_slice_p75_latency | P75 Range Read Latency | P75 range read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra106_range_slice_p95_latency | P95 Range Read Latency | P95 range read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra107_range_slice_p99_latency | P99 Range Read Latency | P99 range read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra163_write_p999_latency | P999 Write Latency | P999 write latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra164_read_p999_latency | P999 Read Latency | P999 read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra165_large_partition_num | Large Keys | Number of large keys on the current node Unit: count | >= 0 Counts | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra166_write_max_latency | Maximum Write Latency | Maximum write latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra167_read_max_latency | Maximum Read Latency | Maximum read latency Unit: ms | >= 0 ms | Monitored object: database Monitored object: GaussDB(for Cassandra) instance node | 1 minute |
cassandra168_imbalance_table_num | Tables with Uneven Data Distribution | Number of tables in which data is not evenly distributed. Unit: Count | >= 0 Counts | Monitored object: database Monitored object: node of the Kunpeng-based GaussDB(for Cassandra) instance | 1 minute |
Dimensions¶
Key | Value |
|---|---|
cassandra_cluster_id.cassandra_node_id | Cluster ID or node ID of the GaussDB(for Cassandra) instance |