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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-group-member-stats-table.html
The replication_group_member_stats table has these columns: CHANNEL_NAME Name of the Group Replication channel VIEW_ID Current view identifier for this group. This has a different value for each member in the group. This also serves as a key because ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-digests.html
The MySQL server is capable of maintaining statement digest information. The digesting process converts each SQL statement to normalized form (the statement digest) and computes a SHA-256 hash value (the digest hash value) from the normalized ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-timing.html
Events are collected by means of instrumentation added to the server source code. Instruments time events, which is how the Performance Schema provides an idea of how long events take. It is also possible to configure instruments not to collect ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-tls-channel-status-table.html
Connection interface TLS properties are set at server startup, and can be updated at runtime using the ALTER INSTANCE RELOAD TLS statement. The tls_channel_status table (available as of MySQL 8.0.21) provides information about connection interface ...
https://dev.mysql.com/doc/refman/8.0/en/perl-support-problems.html
If Perl reports that it cannot find the ../mysql/mysql.so module, the problem is probably that Perl cannot locate the libmysqlclient.so shared library. You should be able to fix this problem by one of the following methods: Copy libmysqlclient.so ...
https://dev.mysql.com/doc/refman/8.0/en/precision-math.html
MySQL provides support for precision math: numeric value handling that results in extremely accurate results and a high degree control over invalid values. Precision math is based on these two features: SQL modes that control how strict the server ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-errors.html
If a statement produces the same error (identical error code) on both the source and the replica, the error is logged, but replication continues. If a statement produces different errors on the source and the replica, the replication SQL thread ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the channel. Details of the error and the last applied transaction are recorded in the Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/replication-upgrade.html
When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to replication. For general information and instructions for upgrading a MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/reproducible-test-case.html
For information about steps to take when encountering InnoDB table corruption, see Section 1.5, “How to Report Bugs or Problems”. If you encounter corrupted MyISAM tables or if mysqld always fails after some update statements, you can test ...