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https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-shape-dependent-system-variables.html
Shape-Dependent System Variables 19.8 Shape-Dependent System Variables Shape-dependent global system variables are linked to, and tuned for, a specific MySQL shape.
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-service-specfic-system-variables.html
Service-Specific System Variables 19.7 Service-Specific System Variables MySQL HeatWave on AWS defines the following global system variables. Note: generated_random_password_length , query_alloc_block_size , and query_prealloc_size are also session ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-user-configurable-shape-dependent-system-variables.html
User-Configurable Shape-Dependent System Variables 19.6 User-Configurable Shape-Dependent System Variables Shape-dependent global system variables are linked to, and tuned for, a specific MySQL shape. Note: innodb_buffer_pool_instances , ...
https://dev.mysql.com/doc/refman/9.7/en/system-variables-controlling-tracing.html
The following system variables affect optimizer tracing: optimizer_trace: Enables or disables optimizer tracing. optimizer_trace_features: Enables or disables selected features of the MySQL Optimizer, using the syntax shown here: SET ...
https://dev.mysql.com/doc/refman/9.7/en/option-tracker-component-system-variables.html
The Option Tracker component supplies a number of system variables, which are described in this section. Table 7.10 Option Tracker System Variable Summary Variable Name Variable Type Variable Scope component_option_tracker.mysql_shell_support ...
https://dev.mysql.com/doc/mysql-ai/9.7/en/mys-ai-system-variables.html
bulk_loader.data_memory_size Command-Line Format --bulk_loader.data_memory_size=# System Variable bulk_loader.data_memory_size Scope Global Dynamic Yes SET_VAR Hint Applies No Type Integer Default Value (0.125) * #memory GB Minimum Value 67108864 ...
https://dev.mysql.com/doc/internals/en/optimizer-trace-system-variable.html
The optimizer_trace system variable has these on/off switches: enabled: allows to enable/disable tracing one_line: if on, the trace will have no whitespace; it's unreadable for humans but readable for JSON parsers (they ignore whitespace); the only ...
https://dev.mysql.com/doc/refman/9.7/en/optimizer-trace-system-variable.html
The optimizer_trace system variable has these on/off switches: enabled: Enables (ON) or disables (OFF) tracing one_line: If set to ON, the trace contains no whitespace, thus conserving space. This renders the trace difficult to read for humans, ...
https://dev.mysql.com/doc/internals/en/end-markers-in-json-system-variable.html
Note that before MySQL 5.6.6, this variable didn't exist and was rather a switch in the @@optimizer_trace variable (it was set with 'set optimizer_trace="end_marker=on";'). If a JSON structure is large, it's difficult to pair its closing bracket ...
https://dev.mysql.com/doc/refman/9.7/en/end-markers-in-json-system-variable.html
This variable affects both optimizer traces and the output of EXPLAIN FORMAT=JSON. When reading a very large JSON document, it can be difficult to pair its closing bracket and opening brackets; setting end_markers_in_json=ON repeats the structure's ...