TiDB 架构及开源之路 申砾 @ PingCAP About Me • VP of Engineering @ PingCAP • Netease/360/PingCAP • Tech lead of TiDB About PingCAP • Since 2015 • Beijing, Shanghai, Guangzhou, Silicon Valley, Home • Open-Source

Internal • Golang in TiDB • Next Step of TiDB About Me • Shen Li (申砾) • Tech Lead of TiDB, VP of Engineering • Netease / 360 / PingCAP • Infrastructure software engineer What is TiDB A Distributed, Consistent

will be prompted to enter your connection string and OpenAI API key: 505 # Use getpass to securely prompt for environment variables in your �→ terminal. import getpass import os # Copy your connection will be prompted to enter your connection string and OpenAI API key: ##### Use getpass to securely prompt for environment variables in your �→ terminal. import getpass import os ##### Connection string You will be prompted to enter your connection string and OpenAI API key: # Use getpass to securely prompt for environment variables in your �→ terminal. import getpass import os # Copy your connection

will be prompted to enter your connection string and OpenAI API key: 500 # Use getpass to securely prompt for environment variables in your �→ terminal. import getpass import os # Copy your connection will be prompted to enter your connection string and OpenAI API key: ##### Use getpass to securely prompt for environment variables in your �→ terminal. import getpass import os ##### Connection string You will be prompted to enter your connection string and OpenAI API key: # Use getpass to securely prompt for environment variables in your �→ terminal. import getpass import os # Copy your connection

port 6032): mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt 'ProxySQL Admin> ' The above step will take you to the ProxySQL admin prompt. 2. Configure the TiDB clusters to be used, where you can 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task

port 6032): mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt 'ProxySQL Admin> ' The above step will take you to the ProxySQL admin prompt. 2. Configure the TiDB clusters to be used, where you can cdc pingcap CDC is a change data capture tool for TiDB chaosd community An easy-to-use Chaos Engineering tool used to inject �→ failures to a physical node client pingcap Client to connect playground 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task

port 6032): mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt 'ProxySQL Admin> ' The above step will take you to the ProxySQL admin prompt. 2. Configure the TiDB clusters to be used, where you can cdc pingcap CDC is a change data capture tool for TiDB chaosd community An easy-to-use Chaos Engineering tool used to inject �→ failures to a physical node client pingcap Client to connect playground 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task

port 6032): mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt 'ProxySQL Admin> ' The above step will take you to the ProxySQL admin prompt. 2. Configure the TiDB clusters to be used, where you can cdc pingcap CDC is a change data capture tool for TiDB chaosd community An easy-to-use Chaos Engineering tool used to inject �→ failures to a physical node client pingcap Client to connect playground 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task

71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task mi- gra- tion task. If the task fails to start, first make configuration changes according to the prompt mes- sages from the returned result, and then run the start-task task.yaml subcommand in tiup dmctl

mechanism for Region jobs #43682 @lance6716 2.2.4 Bug fixes • TiDB • Fix the issue that there is no prompt about manually executing ANALYZE TABLE after reorganizing partitions #42183 @CbcWestwolf • Fix port 6032): mysql -u admin -padmin -h 127.0.0.1 -P6032 --prompt 'ProxySQL Admin> ' The above step will take you to the ProxySQL admin prompt. 2. Configure the TiDB clusters to be used, where you can 71:8261 start �→ - �→ task �→ Starts the mi- gra- tion task. If the task fails to start, check the prompt message and fix the configuration. After that, you can re-run the command above to start the task