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https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-internals.html
InnoDB API for the InnoDB memcached Plugin The InnoDB memcached engine accesses InnoDB through InnoDB APIs, most of which are directly adopted from embedded InnoDB. InnoDB API functions are passed to the InnoDB memcached engine as callback ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/innodb-memcached-setup.html
This section describes how to set up the daemon_memcached plugin on a MySQL server. Because the memcached daemon is tightly integrated with the MySQL server to avoid network traffic and minimize latency, you perform this process on each MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-troubleshoot.html
This section describes issues that you may encounter when using the InnoDB memcached plugin. If you encounter the following error in the MySQL error log, the server might fail to start: failed to set rlimit for open files. One solution is to raise ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-tuning.html
Because using InnoDB in combination with memcached involves writing all data to disk, whether immediately or sometime later, raw performance is expected to be somewhat slower than using memcached by itself. When using the InnoDB memcached plugin, ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-next-key-locking.html
The so-called phantom problem occurs within a transaction when the same query produces different sets of rows at different times. For example, if a SELECT is executed twice, but returns a row the second time that was not returned the first time, ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-failure-conditions.html
The failure of an online DDL operation is typically due to one of the following conditions: An ALGORITHM clause specifies an algorithm that is not compatible with the particular type of DDL operation or storage engine. A LOCK clause specifies a low ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-undo-tablespaces.html
Undo tablespaces contain undo logs, which are collections of records containing information about how to undo the latest change by a transaction to a clustered index record. Default undo tablespaces are created at initialization time to provide a ...
https://dev.mysql.com/doc/refman/8.0/en/insert-select.html
INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { SELECT ... | TABLE table_name | VALUES row_constructor_list } [ON DUPLICATE KEY UPDATE ...
https://dev.mysql.com/doc/refman/8.0/en/installing-source-distribution.html
To install MySQL from a standard source distribution: Verify that your system satisfies the tool requirements listed at Section 2.8.2, “Source Installation Prerequisites”. Obtain a distribution file using the instructions in Section 2.1.3, ...