通过本文您可以了解交互式分析Hologres的监控项。
当您调用云监控的API接口时，需要获取当前云服务的Namespace和Period，具体取值如下：
- Namespace为acs_hologres。
- Period默认为60秒，也可以为60的整数倍。
当前云服务的MetricName和Dimensions的取值如下表所示。
| 监控项 | 单位 | MetricName | Dimensions | Statistics |
|---|---|---|---|---|
| 连接数 | Count | connection_count | userId、instanceId、dbName | Average、Sum |
| SQL总连接数 | Count | connection_num | userId、instanceId | Average |
| CPU水位 | % | cpu_usage | userId、instanceId | Average |
| Delete语句QPS | CountSecond | delete_qps | userId、instanceId | Average |
| Delete语句响应时间 | MilliSecond | delete_query_latency | userId、instanceId | Average、Maximum |
| 每秒Delete记录数 | CountS | delete_record_qps | userId、instanceId | Average |
| 失败查询数 | Count | failed_queries | userId、instanceId | Average |
| Insert语句QPS | CountSecond | insert_qps | userId、instanceId | Average |
| Insert语句响应时间 | MilliSecond | insert_query_latency | userId、instanceId | Average、Maximum |
| 内存水位 | % | memory_usage | userId、instanceId | Average |
| Query响应时间明细 | MilliSecond | query_latency | instanceId、userId、cmdType | Average |
| Query QPS明细 | CountS | query_qps | instanceId、userId、cmdType | Average |
| 每秒实时导入吞吐量 | Byte | realtime_ingestion_throughput | userId、instanceId | Average |
| 实时导入RPS | CountS | record_input_qps | instanceId、userId | Average |
| 每秒Insert记录数 | CountS | records_per_second | userId、instanceId | Average |
| 查询时长P99 | Second | select_latency | userId、instanceId | Maximum |
| 查询时长P95 | Second | select_latency_p95 | userId、instanceId | Maximum |
| 查询时长P999 | Second | select_latency_p999 | userId、instanceId | Maximum |
| Select语句QPS | CountSecond | select_qps | userId、instanceId | Average |
| Select语句响应时间 | MilliSecond | select_query_latency | instanceId、userId | Average |
| 存储已用容量 | Byte | storage_usage | userId、instanceId | Average |
| 存储水位 | % | storage_usage_percent | userId、instanceId | Average |
| Update语句QPS | CountSecond | update_qps | userId、instanceId | Average |
| Update语句响应时间 | MilliSecond | update_query_latency | userId、instanceId | Average、Maximum |
| 每秒Update记录数 | CountS | update_record_qps | userId、instanceId | Average |
| 实时写入RPS | countS | dml_rps | userId、instanceId、cmdType | Average、Sum、Maximum |
| Query P99延迟 | milliseconds | query_latency_p99 | userId、instanceId、cmdType | Average、Maximum、Value |
| 连接数使用率 | % | connection_usage | userId、instanceId | Average、Maximum |
| 每秒失败查询数 | countS | failed_query_qps | userId、instanceId、cmdType | Average |