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https://dev.mysql.com/doc/refman/5.7/en/performance-schema-memory-model.html
Data collected by the Performance Schema for this buffer is lost, and any corresponding “lost instance” counters are incremented. This query shows the information associated with the memory instruments: SELECT * FROM ...Memory used depends on ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-memory-summary-tables.html
When these two threads belong to the same user account, the per-account summary estimates that this account used memory in the range from 11MB to 14MB. The real memory usage for this account could have been in the range from 11.5MB to 13.5MB.
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-applier-status-table.html
This table shows the current general transaction execution status on the replica. The replication_applier_status table has these columns: CHANNEL_NAME The replication channel which this row is displaying. REMAINING_DELAY If the replica is waiting ...The table provides information about general aspects of transaction applier status that are not specific to any thread ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-connection-configuration-table.html
This table shows the configuration parameters used by the replica for connecting to the source. The column descriptions indicate the corresponding CHANGE MASTER TO options from which the column values are taken, and the table given later in this ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-connection-status-table.html
This table shows the current status of the replication I/O thread that handles the replica's connection to the source. The replication_connection_status table has these columns: CHANNEL_NAME The replication channel which this row is displaying. It ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-setup-actors-table.html
This table has a maximum size of 100 rows by default. This enables instrumenting and historical event logging to be applied selectively per host, user, or account (user and host combination). This should be a literal name, or '%' to mean “any ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema.html
This enables you to determine how many times instrumented activities were performed and how much time they took. This is because collection is ongoing whereas retrieval is on demand and might never happen at all. This benefits developers of ... The ...
https://dev.mysql.com/doc/refman/5.7/en/point-in-time-recovery-binlog.html
This section explains the general idea of using the binary log to perform a point-in-time-recovery. Note Many of the examples in this and the next section use the mysql client to process binary log output produced by mysqlbinlog. This enables ...
https://dev.mysql.com/doc/refman/5.7/en/program-options.html
This is common for options that apply to a specific invocation of the program. This is common for options that you want the program to use each time it runs. This method is useful for options that you want to apply each time the program runs. In ...
https://dev.mysql.com/doc/refman/5.7/en/replica-io-thread-states.html
This state also appears in the Slave_IO_State column displayed by SHOW SLAVE STATUS, so you can get a good view of what is happening by using that statement. This can last for a long time if the source is idle. Waiting for the slave SQL thread to ...