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https://dev.mysql.com/doc/refman/5.7/en/innodb-file-space.html
For tables stored this way, there is less fragmentation within the disk file, and when the table is truncated, the space is returned to the operating system rather than still being reserved by InnoDB within the system tablespace. The data files ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-in-memory-structures.html
This section describes InnoDB in-memory structures and related topics. ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-indexes.html
This section covers topics related to InnoDB indexes. ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-tables.html
For related information and examples, see Section 14.16, “InnoDB INFORMATION_SCHEMA Tables”. INFORMATION_SCHEMA InnoDB tables can be used to monitor ongoing InnoDB activity, to detect inefficiencies before they turn into issues, or to ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-temp-table-info.html
Example 14.12 INNODB_TEMP_TABLE_INFO This example demonstrates characteristics of the INNODB_TEMP_TABLE_INFO table. INNODB_TEMP_TABLE_INFO provides information about user-created InnoDB temporary tables that are active in the InnoDB instance. It ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-understanding-innodb-locking.html
This table also contains one row describing each lock in a queue of locks pending for a given row or table. When a transaction updates a row in a table, or locks it with SELECT FOR UPDATE, InnoDB establishes a list or queue of locks on that row.
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema.html
This section provides information and usage examples for InnoDB INFORMATION_SCHEMA tables. InnoDB INFORMATION_SCHEMA tables provide metadata, status information, and statistics about various aspects of the InnoDB storage engine. You can view a list ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-locking-transaction-model.html
This section discusses several topics related to InnoDB locking and the InnoDB transaction model with which you should be familiar. To implement a large-scale, busy, or highly reliable database application, to port substantial code from a different ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-porting-memcached.html
This is because InnoDB performs best for large-scale insertions if primary key values are added in sorted order (as they are with auto-increment values). Primary key values are included in secondary indexes, which takes up unnecessary space if the ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached.html
This “NoSQL-style” interface uses the memcached API to speed up database operations, letting InnoDB handle memory caching using its buffer pool mechanism. The InnoDB memcached plugin (daemon_memcached) provides an integrated memcached daemon ...