such as DDL, DML and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 3.3.1 Category SQL is divided into the following 4 types according to their functions: • DDL such as DDL, DML, and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 4.2.2.3 Category SQL is divided into the following 4 types according to their functions: • DDL on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 496 Figure

such as DDL, DML and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 3.3.1 Category SQL is divided into the following 4 types according to their functions: • DDL such as DDL, DML, and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 136 4.2.2.3 Category SQL is divided into the following 4 types according to their functions: on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 502 Figure

such as DDL, DML and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 3.3.1 Category SQL is divided into the following 4 types according to their functions: • DDL such as DDL, DML, and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 4.2.2.3 Category SQL is divided into the following 4 types according to their functions: • DDL on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 516 Figure

Slow query log Y Y Y Y Y Y Y Y Y Y Y TiUP de- ploy- ment Y Y Y Y Y Y Y Y Y Y Y Kubernetes op- er- a- tor Y Y Y Y Y Y Y Y Y Y Y Built- in phys- i- cal backup Y Y Y Y Y Y Y Y Y Y Y Global Kill such as DDL, DML and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 3.3.1 Category SQL is divided into the following 4 types according to their functions: • DDL such as DDL, DML, and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 4.2.2.3 Category SQL is divided into the following 4 types according to their functions: • DDL

on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 503 Figure UPDATE write conflict error • Error 8022: Error: KV error safe to retry: transaction commit failed er- ror. • Error 8028: Information schema is changed during the execution of �→ the statement: Table TiFlash Write Node 16 cores+ 32 GB+ SSD, 200 GB+ Gigabit Eth- er- net 1 TiFlash Com- pute Node 16 cores+ 32 GB+ SSD, 100 GB+ Gigabit Eth- er- net 0 (see the fol- low- ing note) 5.1.7.2 Production environment

Slow query log Y Y Y Y Y Y Y Y Y Y Y TiUP de- ploy- ment Y Y Y Y Y Y Y Y Y Y Y Kubernetes op- er- a- tor Y Y Y Y Y Y Y Y Y Y Y 75 Management, ob- serv- abil- ity, and tools 8.3 8.2 8.1 7.5 7.1 on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 506 Figure UPDATE write conflict error • Error 8022: Error: KV error safe to retry: transaction commit failed er- ror. • Error 8028: Information schema is changed during the execution of �→ the statement: Table

Slow query log Y Y Y Y Y Y Y Y Y Y Y Y TiUP de- ploy- ment Y Y Y Y Y Y Y Y Y Y Y Y Kubernetes op- er- a- tor Y Y Y Y Y Y Y Y Y Y Y Y Built- in phys- i- cal backup Y Y Y Y Y Y Y Y Y Y Y Y Global Kill such as DDL, DML and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 3.3.1 Category SQL is divided into the following 4 types according to their functions: • DDL such as DDL, DML, and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 4.2.2.3 Category SQL is divided into the following 4 types according to their functions: • DDL

such as DDL, DML and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 3.3.1 Category SQL is divided into the following 4 types according to their functions: • DDL such as DDL, DML, and CRUD operations. For a complete list of TiDB statements, see TiDB SQL Syntax Diagram. 4.2.2.3 Category SQL is divided into the following 4 types according to their functions: • DDL on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 495 Figure

Slow query log Y Y Y Y Y Y Y Y Y Y Y Y TiUP de- ploy- ment Y Y Y Y Y Y Y Y Y Y Y Y Kubernetes op- er- a- tor Y Y Y Y Y Y Y Y Y Y Y Y Built- in phys- i- cal backup Y Y Y Y Y Y Y Y Y Y Y Y Global Kill on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 592 Figure UPDATE write conflict error • Error 8022: Error: KV error safe to retry: transaction commit failed er- ror. • Error 8028: Information schema is changed during the execution of �→ the statement: Table

Slow query log Y Y Y Y Y Y Y Y Y Y Y Y TiUP de- ploy- ment Y Y Y Y Y Y Y Y Y Y Y Y Kubernetes op- er- a- tor Y Y Y Y Y Y Y Y Y Y Y Y Built- in phys- i- cal backup Y Y Y Y Y Y Y Y Y Y Y Y Global Kill on duty which violates the requirement that at least one doctor should be on call. The following diagram (quoted from Designing Data-Intensive Applications) illustrates what actually happens. 587 Figure UPDATE write conflict error • Error 8022: Error: KV error safe to retry: transaction commit failed er- ror. • Error 8028: Information schema is changed during the execution of �→ the statement: Table