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https://dev.mysql.com/innodb-metrics-table.html
(The _RESET columns act like the lap counter on a stopwatch: you can measure the activity during some time interval, while the cumulative figures are still available in COUNT, MAX_COUNT, and so on.) MAX_COUNT_RESET The maximum counter value since it ... The INNODB_METRICS table provides a wide variety of InnoDB performance information, complementing the specific focus areas of the Performance Schema tables for ...
https://dev.mysql.com/innodb-online-ddl-space-requirements.html
A large innodb_online_alter_log_max_size setting permits more DML during an online DDL operation, but it also extends the period of time at the end of the DDL operation when the table is locked to apply logged DML. If the operation takes a long time ... Space requirements for in-place online DDL operations are outlined ...
https://dev.mysql.com/innodb-performance-schema.html
The Summary tables, which provide aggregated information for terminated events over time. This section provides a brief introduction to InnoDB integration with Performance Schema. For comprehensive Performance Schema documentation, see Chapter 26, ...
https://dev.mysql.com/innodb-temporary-tablespace.html
Because the pool of session temporary tablespaces is recreated each time the server is started, space IDs for session temporary tablespaces are not persisted when the server is shut down and may be reused. The global temporary tablespace is removed ... InnoDB uses session temporary tablespaces and a global temporary ...
https://dev.mysql.com/innodb-transaction-isolation-levels.html
Isolation is the I in the acronym ACID; the isolation level is the setting that fine-tunes the balance between performance and reliability, consistency, and reproducibility of results when multiple transactions are making changes and performing ...
https://dev.mysql.com/ipv6-brokers.html
Note that if the broker allocates dynamic addresses, the address provided for your system might change the next time you connect to the broker. For example: userid=gogouser passwd=gogopass Start gogoc: shell> /etc/init.d/gogoc start To start gogoc ... If you do not have a public IPv6 address that enables your system to communicate over IPv6 outside your local network, you can obtain one from an IPv6 ...
https://dev.mysql.com/ipv6-system-support.html
As a simple test to determine whether that is true, try this command: shell> ping6 ::1 16 bytes from ::1, icmp_seq=0 hlim=64 time=0.171 ms 16 bytes from ::1, icmp_seq=1 hlim=64 time=0.077 ms ... Before MySQL Server can accept IPv6 connections, the ...
https://dev.mysql.com/json-attribute-functions.html
The functions in this section return attributes of JSON values. An error occurs if the argument is not a valid JSON document. An empty array, empty object, or scalar value has depth 1. A nonempty array containing only elements of depth 1 or ...
https://dev.mysql.com/linux-installation-yum-repo.html
This is a one-time operation, which can be performed by installing an RPM provided by MySQL. Before You Start As a popular, open-source software, MySQL, in its original or re-packaged form, is widely installed on many systems from various sources, ...
https://dev.mysql.com/load-data-local-security.html
To explicitly cause the server to refuse or permit LOAD DATA LOCAL statements (regardless of how client programs and libraries are configured at build time or runtime), start mysqld with local_infile disabled or enabled. Clients that make no ... The ...
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