Supported Metrics
This section describes GeminiDB HBase API metrics reported to Cloud Eye as well as their namespaces and dimensions. You can use APIs provided by Cloud Eye to query the metrics and alarms.

Because GeminiDB HBase API is based on GeminiDB Cassandra API, they share some metrics.
Namespace
SYS.NoSQL
Metrics
Metric ID |
Name |
Description |
Value Range |
Unit |
Number System |
Monitored Object |
Monitoring Period (Raw Data) |
---|---|---|---|---|---|---|---|
nosql005_disk_usage |
Storage Space Usage |
Storage usage of the current instance. |
0–100 |
% |
N/A |
GeminiDB HBase instance |
1 minute |
nosql006_disk_total_size |
Total Storage Space |
Total storage space of the current instance. |
≥ 0 |
GB |
1024(IEC) |
GeminiDB HBase instance |
1 minute |
nosql007_disk_used_size |
Storage Space Usage |
Storage space usage of the current instance. |
≥ 0 |
GB |
1024(IEC) |
GeminiDB HBase instance |
1 minute |
nosql009_dfv_write_delay |
Storage Write Latency |
Average delay of writing data to the storage layer in a specified period |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
nosql010_dfv_read_delay |
Storage Read Latency |
Average latency of reading data from the storage layer in a specified period |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra001_cpu_usage |
CPU Usage |
CPU usage of an instance |
0–100 |
% |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra002_mem_usage |
Memory Usage |
Memory usage of the instance |
0–100 |
% |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra003_bytes_out |
Network Output Throughput |
Outgoing traffic in bytes per second |
≥ 0 Bytes/s |
Bytes/s |
1024(IEC) |
GeminiDB HBase instance node |
1 minute |
cassandra004_bytes_in |
Network Input Throughput |
Incoming traffic in bytes per second |
≥ 0 |
Bytes/s |
1024(IEC) |
GeminiDB HBase instance node |
1 minute |
cassandra014_connections |
Active Node Connections |
Active connections to the current GeminiDB Cassandra instance node |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra015_read_latency |
Average Read Latency |
Average amount of time consumed by read requests |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra016_write_latency |
Average Write Latency |
Average amount of time consumed by write requests |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra037_pending_write |
Suspended Write Tasks |
Number of write tasks waiting in the queue |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra038_pending_read |
Suspended Read Tasks |
Number of read tasks waiting in the queue. |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra044_range_slice_latency |
Scan Duration |
Average time consumed by scan operations |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra049_dropped_mutation |
Dropped Writes |
Average number of dropped writes |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra052_dropped_read |
Dropped Reads |
Average number of dropped reads |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra092_load_info |
Data Volume on a Node |
Data volume on a node |
≥ 0 Byte |
Byte |
1024(IEC) |
GeminiDB HBase instance node |
1 minute |
cassandra093_write_count_latency |
Accumulated Write Requests |
Number of write requests initiated by a node |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra094_write_1min_rate |
Average Write Rate in the Last Minute |
Average write rate in the last minute |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra095_write_p75_latency |
p75 Write Latency |
p75 write latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra096_write_p95_latency |
p95 Write Latency |
p95 write latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra097_write_p99_latency |
p99 Write Latency |
p99 write latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra098_read_count_latency |
Accumulated Read Requests |
Number of read requests initiated by a node |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra099_read_1min_rate |
Average Read Rate in the Last Minute |
Average read rate in the last minute |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra100_read_p75_latency |
p75 Read Latency |
p75 read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra101_read_p95_latency |
p95 Read Latency |
p95 read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra102_read_p99_latency |
p99 Read Latency |
p99 read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra103_range_slice_count_latency |
Accumulated Range Read Requests |
Number of range read requests |
≥ 0 |
Counts |
N/A |
GeminiDB HBase 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 |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra105_range_slice_p75_latency |
p75 Range Read Latency |
p75 range read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra106_range_slice_p95_latency |
p95 Range Read Latency |
p95 range read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra107_range_slice_p99_latency |
p99 Range Read Latency |
p99 range read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra163_write_p999_latency |
p999 Write Latency |
p999 write latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra164_read_p999_latency |
p999 Read Latency |
p999 read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra165_large_partition_num |
Big Keys |
Number of big keys on the current node |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra166_write_max_latency |
Maximum Write Latency |
Maximum write latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra167_read_max_latency |
Maximum Read Latency |
Maximum read latency |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra168_imbalance_table_num |
Tables with Uneven Data Distribution |
Number of tables whose data is not evenly distributed |
≥ 0 |
Counts |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra169_modify_request_size_mean |
Average Write Request Size |
Average write request size |
≥ 0 |
Bytes |
1024(IEC) |
GeminiDB HBase instance node |
1 minute |
cassandra170_query_response_size_mean |
Average Query Response Size |
Average size of query requests |
≥ 0 |
Bytes |
1024(IEC) |
GeminiDB HBase instance node |
1 minute |
cassandra173_limit_diff_count_mean |
Mean of limit Value and Returned Rows |
Mean of limit difference |
≥ 0 |
- |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra174_tombstone_query_rate |
Tombstone Query Requests per Second |
Rate of tombstone query requests |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra175_single_delete_rate |
Row Delete Requests per Second |
Rate at which a single row is deleted |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra176_range_delete_rate |
Range Delete Requests per Second |
Range deletion rate |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra177_large_row_count |
Large Rows per Second |
Number of large rows |
≥ 0 |
Counts/s |
N/A |
GeminiDB HBase instance node |
1 minute |
cassandra174_tombstone_query_rate |
Maximum sync delay |
Maximum synchronization latency between the primary and standby instances |
≥ 0 |
ms |
N/A |
GeminiDB HBase instance node |
1 minute |
Dimensions
Key |
Value |
---|---|
cassandra_cluster_id |
Cluster ID of a GeminiDB Cassandra instance |
cassandra_node_id |
ID of a GeminiDB Cassandra instance node |
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