integration with kubernetes at infrastructure and app level. ● Key - value data model with powerful PromQL. ● Emerging open source community.Prometheus 2.0 - deal with dynamic nature ● Storage engine redesign

METRICS_ �→ SUMMARY �→ table. This table is not applicable to TiDB Cloud. METRICS_TABLES Provides the PromQL definitions for tables in METRICS_ �→ SCHEMA. This table is not applicable to TiDB Cloud. 4872 cause many Coprocessor requests. 14.12.19.2.29 METRICS_TABLES The METRICS_TABLES table provides the PromQL (Prometheus Query Language) defini- tion for each of the views in the METRICS_SCHEMA database. Note: +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

METRICS_ �→ SUMMARY �→ table. This table is not applicable to TiDB Cloud. METRICS_TABLES Provides the PromQL definitions for tables in METRICS_ �→ SCHEMA. This table is not applicable to TiDB Cloud. 4777 cause many Coprocessor requests. 14.12.18.2.29 METRICS_TABLES The METRICS_TABLES table provides the PromQL (Prometheus Query Language) defini- tion for each of the views in the METRICS_SCHEMA database. Note: +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

METRICS_ �→ SUMMARY �→ table. This table is not applicable to TiDB Cloud. METRICS_TABLES Provides the PromQL definitions for tables in METRICS_ �→ SCHEMA. This table is not applicable to TiDB Cloud. PLACEMENT_POLICIES cause many Coprocessor requests. 14.12.18.2.29 METRICS_TABLES The METRICS_TABLES table provides the PromQL (Prometheus Query Language) defini- tion for each of the views in the METRICS_SCHEMA database. Note: +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

METRICS_ �→ SUMMARY �→ table. This table is not applicable to TiDB Cloud. METRICS_TABLES Provides the PromQL definitions for tables in METRICS_ �→ SCHEMA. This table is not applicable to TiDB Cloud. 4854 cause many Coprocessor requests. 14.12.19.2.29 METRICS_TABLES The METRICS_TABLES table provides the PromQL (Prometheus Query Language) defini- tion for each of the views in the METRICS_SCHEMA database. Note: +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

METRICS_ �→ SUMMARY �→ table. This table is not applicable to TiDB Cloud. METRICS_TABLES Provides the PromQL definitions for tables in METRICS_ �→ SCHEMA. This table is not applicable to TiDB Cloud. 4730 cause many Coprocessor requests. 14.12.18.2.29 METRICS_TABLES The METRICS_TABLES table provides the PromQL (Prometheus Query Language) defini- tion for each of the views in the METRICS_SCHEMA database. Note: +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

获取的指标的摘要。 METRICS_SUMMARY_BY_LABEL 参见 METRICS_SUMMARY 表。 METRICS_TABLES 为 METRICS_SCHEMA 中的表提供 PromQL 定义。 PLACEMENT_POLICIES 提供所有放置策略的定义信息。 SEQUENCES 描述了基于 MariaDB 实现的 TiDB 序列。 SLOW_QUERY 提供当前 TiDB tpch 大查询导致了出现很多的 cop 请求。 14.12.19.2.29 METRICS_TABLES METRICS_TABLES 表为METRICS_SCHEMA 数据库中的每个视图提供 PromQL（Prometheus 查询语言）定义。 USE INFORMATION_SCHEMA; DESC METRICS_TABLES; 输出结果如下： +------------+----- +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

获取的指标的摘要。 METRICS_SUMMARY_BY_LABEL 参见 METRICS_SUMMARY 表。 METRICS_TABLES 为 METRICS_SCHEMA 中的表提供 PromQL 定义。 PLACEMENT_POLICIES 提供所有放置策略的定义信息。 SEQUENCES 描述了基于 MariaDB 实现的 TiDB 序列。 SLOW_QUERY 提供当前 TiDB tpch 大查询导致了出现很多的 cop 请求。 14.12.18.2.29 METRICS_TABLES METRICS_TABLES 表为METRICS_SCHEMA 数据库中的每个视图提供 PromQL（Prometheus 查询语言）定义。 USE INFORMATION_SCHEMA; DESC METRICS_TABLES; 输出结果如下： +------------+----- +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double

获取的指标的摘要。 METRICS_SUMMARY_BY_LABEL 参见 METRICS_SUMMARY 表。 METRICS_TABLES 为 METRICS_SCHEMA 中的表提供 PromQL 定义。 PLACEMENT_POLICIES 提供所有放置策略的定义信息。 SEQUENCES 描述了基于 MariaDB 实现的 TiDB 序列。 SLOW_QUERY 提供当前 TiDB tpch 大查询导致了出现很多的 cop 请求。 14.12.19.2.29 METRICS_TABLES METRICS_TABLES 表为METRICS_SCHEMA 数据库中的每个视图提供 PromQL（Prometheus 查询语言）定义。 USE INFORMATION_SCHEMA; DESC METRICS_TABLES; 输出结果如下： +------------+----- +------------+--------------+------+------+---------+-------+ | TABLE_NAME | varchar(64) | YES | | NULL | | | PROMQL | varchar(64) | YES | | NULL | | | LABELS | varchar(64) | YES | | NULL | | | QUANTILE | double