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https://dev.mysql.com/doc/refman/5.7/en/mysqlpump.html
mysqlpump Invocation Syntax mysqlpump Option Summary mysqlpump Option Descriptions mysqlpump Object Selection mysqlpump Parallel Processing mysqlpump Restrictions The mysqlpump client utility performs logical backups, producing a set of SQL ...It ...
https://dev.mysql.com/doc/refman/5.7/en/show-slave-status.html
Seconds_Behind_Master This field is an indication of how “late” the replica is: When the replica is actively processing updates, this field shows the difference between the current timestamp on the replica and the original timestamp logged on ...
https://dev.mysql.com/doc/refman/5.7/en/mysqld-safe.html
mysqld_safe adds some safety features such as restarting the server when an error occurs and logging runtime information to an error log. mysqld_safe tries to use the sleep and date system utilities to determine how many times per second it has ...A ... mysqld_safe is the recommended way to start a mysqld server on ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-pre-filtering.html
Modifications to any of these tables affect monitoring immediately, with some exceptions: Modifications to some instruments in the setup_instruments table are effective only at server startup; changing them at runtime has no effect. That might be ...
https://dev.mysql.com/doc/refman/5.7/en/scalar-subqueries.html
In its simplest form, a subquery is a scalar subquery that returns a single value. A scalar subquery is a simple operand, and you can use it almost anywhere a single column value or literal is legal, and you can expect it to have those ...
https://dev.mysql.com/doc/refman/5.7/en/sys-waits-by-host-by-latency.html
max_latency The maximum single wait time of timed occurrences of the event for the host. total_latency The total wait time of timed occurrences of the event for the host. avg_latency The average wait time per timed occurrence of the event for the ...
https://dev.mysql.com/doc/refman/5.7/en/sys-waits-by-user-by-latency.html
max_latency The maximum single wait time of timed occurrences of the event for the user. total_latency The total wait time of timed occurrences of the event for the user. avg_latency The average wait time per timed occurrence of the event for the ...
https://dev.mysql.com/doc/refman/5.7/en/sys-waits-global-by-latency.html
max_latency The maximum single wait time of timed occurrences of the event. total_latency The total wait time of timed occurrences of the event. avg_latency The average wait time per timed occurrence of the event. The waits_global_by_latency and ...
https://dev.mysql.com/doc/refman/5.7/en/pluggable-storage-common-layer.html
A MySQL pluggable storage engine is the component in the MySQL database server that is responsible for performing the actual data I/O operations for a database as well as enabling and enforcing certain feature sets that target a specific ...
https://dev.mysql.com/doc/refman/5.7/en/replication-multi-source-monitoring.html
row *************************** CHANNEL_NAME: source_1 GROUP_NAME: SOURCE_UUID: 046e41f8-a223-11e4-a975-0811960cc264 THREAD_ID: 24 SERVICE_STATE: ON COUNT_RECEIVED_HEARTBEATS: 0 LAST_HEARTBEAT_TIMESTAMP: 0000-00-00 00:00:00 RECEIVED_TRANSACTION_SET: ... To monitor the status of replication channels the following options exist: Using the replication Performance Schema ...