of rebuilding the queue #55906 @Rustin170506 • Introduce a DDL notifier to allow the statistics module to subscribe to DDL events #55722 @fzzf678 @lance6716 @Rustin170506 • Force new TiDB nodes to take test_crm. 4.12.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in I/O Scheduler is none, so no adjustment is needed. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed

#53652 @hawkingrei • Fix the issue that certain filter conditions in queries might cause the planner module to report an invalid memory address or nil pointer dereference error #53582 #53580 #53594 #53603 test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in I/O Scheduler is none, so no adjustment is needed. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed

test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in I/O Scheduler is none, so no adjustment is needed. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed rules or the tuned profile. 4. Execute the following command to see the power policy of the cpufreq module: cpupower frequency-info --policy analyzing CPU 0: current policy: frequency should be within 1

test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in I/O Scheduler is none, so no adjustment is needed. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed rules or the tuned profile. 4. Execute the following command to see the power policy of the cpufreq module: cpupower frequency-info --policy analyzing CPU 0: current policy: frequency should be within 1

of encoding and decoding workers in the redo module. TiCDC flush- �→ worker �→ -num Newly added Controls the number of flushing workers in the redo module. 54 Configuration file Configuration parame- test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in Also, the noop Scheduler is better applicable. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed

test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in Also, the noop Scheduler is better applicable. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed ID_SERIAL of each disk. 4. Execute the following command to see the power policy of the cpufreq module: cpupower frequency-info --policy 635 analyzing CPU 0: current policy: frequency should be within

of rebuilding the queue #55906 @Rustin170506 • Introduce a DDL notifier to allow the statistics module to subscribe to DDL events #55722 @fzzf678 @lance6716 @Rustin170506 • Force new TiDB nodes to take test_crm. 4.12.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in I/O Scheduler is none, so no adjustment is needed. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed

test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in Also, the noop Scheduler is better applicable. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed ID_SERIAL of each disk. 4. Execute the following command to see the power policy of the cpufreq module: cpupower frequency-info --policy 642 analyzing CPU 0: current policy: frequency should be within

operation of TiDB clusters. As the workload of a cluster �→ increases, the resource consumption of each module in PD also �→ increases, causing mutual interference between these modules and �→ ultimately affecting test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in Also, the noop Scheduler is better applicable. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed

test_crm. 4.11.2.1.3 Table naming convention • Use the same prefix for tables of the same business or module, and make sure that the table name is self-explanatory as much as possible. • Separate words in Also, the noop Scheduler is better applicable. 3. Choose the performance mode for the cpufrequ module which controls the CPU fre- quency. The performance is maximized when the CPU frequency is fixed ID_SERIAL of each disk. 4. Execute the following command to see the power policy of the cpufreq module: cpupower frequency-info --policy 623 analyzing CPU 0: current policy: frequency should be within