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https://dev.mysql.com/doc/refman/8.0/en/populating-spatial-columns.html
After you have created spatial columns, you can populate them with spatial data. Values should be stored in internal geometry format, but you can convert them to that format from either Well-Known Text (WKT) or Well-Known Binary (WKB) format. For ...
https://dev.mysql.com/doc/refman/8.0/en/replication-asynchronous-connection-failover-source.html
Suitable values are SOURCE_RETRY_COUNT=3 | MASTER_RETRY_COUNT=3 and SOURCE_CONNECT_RETRY=10 | MASTER_CONNECT_RETRY=10, which make the replica retry the connection 3 times with 10-second intervals between. This feature ensures that the replica stays ... To activate asynchronous connection failover for a replication channel set SOURCE_CONNECTION_AUTO_FAILOVER=1 on the CHANGE REPLICATION SOURCE TO statement (from MySQL 8.0.23) or CHANGE MASTER TO statement (before MySQL 8.0.23) for the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-charset.html
The following applies to replication between MySQL servers that use different character sets: If the source has databases with a character set different from the global character_set_server value, you should design your CREATE TABLE statements so ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-drop-if-exists.html
The DROP DATABASE IF EXISTS, DROP TABLE IF EXISTS, and DROP VIEW IF EXISTS statements are always replicated, even if the database, table, or view to be dropped does not exist on the source. This is to ensure that the object to be dropped no longer ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-max-allowed-packet.html
This means that, when you are replicating large column values using row-based replication, you must take care to set max_allowed_packet large enough to accommodate the largest row in any table to be replicated, even if you are replicating updates ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-shutdowns.html
However, be careful that the replica does not have temporary tables open; see Section 19.5.1.31, “Replication and Temporary Tables”. It is safe to shut down a replication source server and restart it later. When a replica loses its connection ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-timeout.html
The Performance Schema table replication_applier_status shows the total number of transaction retries that took place on each replication channel, in the COUNT_TRANSACTIONS_RETRIES column. The Performance Schema table ... The global value of the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-formats.html
When using row-based logging, the source writes events to the binary log that indicate how individual table rows are changed. Replication of the source to the replica works by copying the events representing the changes to the table rows to the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-multi-source.html
Channel specific replication filters can be used when the same database or table is present on multiple sources, and you only need the replica to replicate it from one source. MySQL multi-source replication enables a replica to receive transactions ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
Details of the error and the last applied transaction are recorded in the Performance Schema replication_applier_status_by_worker table. If the PRIVILEGE_CHECKS_USER account should have been permitted to execute the transaction, but has been ... If ...