Oracle 5.0 Reference Manual page 1257

Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
Whether InnoDB adaptive hash indexes are enabled or disabled (see
"Adaptive Hash Indexes"). This variable is enabled by default. Use
innodb_adaptive_hash_index
5.0.52.
•
innodb_additional_mem_pool_size
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
Deprecated
The size in bytes of a memory pool
internal data structures. The more tables you have in your application, the more memory you need
to allocate here. If
InnoDB
operating system and writes warning messages to the MySQL error log. The default value is 1MB.
•
innodb_autoextend_increment
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
The increment size (in MB) for extending the size of an auto-extending shared tablespace file when
it becomes full. The default value is 8. This variable does not affect the per-table tablespace files
Startup Options and System Variables
InnoDB
innodb_adaptive_hash_index
Yes,
innodb_adaptive_hash_index
innodb_adaptive_hash_index
Global
No
Permitted Values
Type
boolean
Default
ON
at server startup to disable it. This variable was added in MySQL
--innodb_additional_mem_pool_size=#
innodb_additional_mem_pool_size
Yes,
innodb_additional_mem_pool_size
innodb_additional_mem_pool_size
Global
No
5.6.3
Permitted Values
Type
numeric
Default
1048576
Range
524288 .. 4294967295
InnoDB
runs out of memory in this pool, it starts to allocate memory from the
--innodb_autoextend_increment=#
innodb_autoextend_increment
Yes,
innodb_autoextend_increment
innodb_autoextend_increment
Global
Yes
Permitted Values
Type
numeric
Default
8
Range
1 .. 1000
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uses to store data dictionary information and other
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