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RUNTIME_METRICS表提供系统运行时指标。它包括集群中/metrics HTTP端点输出的所有指标。
1. USE INFORMATION_SCHEMA;
3. SELECT * FROM RUNTIME_METRICS;
结果如下：
1. +------------------------------------------------------+------------------------+--------------------------------------------------------+---------+-----------+----------------------------+
2. | metric_name | value | labels | node | node_type | timestamp |
3. +------------------------------------------------------+------------------------+--------------------------------------------------------+---------+-----------+----------------------------+
4. | greptime_app_version | 1 | short_version=0.7.1, version=greptimedb-main-92a8e86 | unknown | unknown | 2024-03-27 22:43:12.898000 |
5. | greptime_catalog_catalog_count | 1 | | unknown | unknown | 2024-03-27 22:43:12.898000 |
6. | greptime_catalog_schema_count | 2 | | unknown | unknown | 2024-03-27 22:43:12.898000 |
7. | greptime_meta_create_catalog_bucket | 1 | le=0.005 | unknown | unknown | 2024-03-27 22:43:12.898000 |
8. | greptime_meta_create_catalog_bucket | 1 | le=0.01 | unknown | unknown | 2024-03-27 22:43:12.898000 |
9. | greptime_meta_create_catalog_bucket | 1 | le=0.025 | unknown | unknown | 2024-03-27 22:43:12.898000 |
10. | greptime_meta_create_catalog_bucket | 1 | le=0.05 | unknown | unknown | 2024-03-27 22:43:12.898000 |
11. | greptime_meta_create_catalog_bucket | 1 | le=0.1 | unknown | unknown | 2024-03-27 22:43:12.898000 |
12. | greptime_meta_create_catalog_bucket | 1 | le=0.25 | unknown | unknown | 2024-03-27 22:43:12.898000 |
13. | greptime_meta_create_catalog_bucket | 1 | le=0.5 | unknown | unknown | 2024-03-27 22:43:12.898000 |
14. | greptime_meta_create_catalog_bucket | 1 | le=1 | unknown | unknown | 2024-03-27 22:43:12.898000 |
15. | greptime_meta_create_catalog_bucket | 1 | le=2.5 | unknown | unknown | 2024-03-27 22:43:12.898000 |
16. | greptime_meta_create_catalog_bucket | 1 | le=5 | unknown | unknown | 2024-03-27 22:43:12.898000 |
17. | greptime_meta_create_catalog_bucket | 1 | le=10 | unknown | unknown | 2024-03-27 22:43:12.898000 |
18. | greptime_meta_create_catalog_bucket | 1 | le=+Inf | unknown | unknown | 2024-03-27 22:43:12.898000 |
19. | greptime_meta_create_catalog_sum | 0.000290333 | | unknown | unknown | 2024-03-27 22:43:12.898000 |
20. | greptime_meta_create_catalog_count | 1 | | unknown | unknown | 2024-03-27 22:43:12.898000 |
21. | greptime_meta_create_catalog_counter | 1 | | unknown | unknown | 2024-03-27 22:43:12.898000 |
22. | greptime_meta_create_schema_bucket | 3 | le=0.005 | unknown | unknown | 2024-03-27 22:43:12.898000 |
23. | greptime_meta_create_schema_bucket | 3 | le=0.01 | unknown | unknown | 2024-03-27 22:43:12.898000 |
24. | greptime_meta_create_schema_bucket | 3 | le=0.025 | unknown | unknown | 2024-03-27 22:43:12.898000 |
25. | greptime_meta_create_schema_bucket | 3 | le=0.05 | unknown | unknown | 2024-03-27 22:43:12.898000 |
26. | greptime_meta_create_schema_bucket | 3 | le=0.1 | unknown | unknown | 2024-03-27 22:43:12.898000 |
27. | greptime_meta_create_schema_bucket | 3 | le=0.25 | unknown | unknown | 2024-03-27 22:43:12.898000 |
28. | greptime_meta_create_schema_bucket | 3 | le=0.5 | unknown | unknown | 2024-03-27 22:43:12.898000 |
30. ...
结果中的列：
metric_name：指标名称。value：指标值。labels：指标标签和值，用,分隔。node:指标来自哪个节点node_type：节点类型，如datanode、frontend等。timestamp：指标时间戳
