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https://dev.mysql.com/doc/refman/5.7/en/sys-waits-by-host-by-latency.html
These views summarize wait events, grouped by host and event. By default, rows are sorted by host and descending total latency. The waits_by_host_by_latency and x$waits_by_host_by_latency views have these columns: host The host from which the ...
https://dev.mysql.com/doc/refman/5.7/en/sys-waits-by-user-by-latency.html
These views summarize wait events, grouped by user and event. By default, rows are sorted by user and descending total latency. The waits_by_user_by_latency and x$waits_by_user_by_latency views have these columns: user The user associated with the ...
https://dev.mysql.com/doc/refman/5.7/en/sys-waits-global-by-latency.html
The waits_global_by_latency and x$waits_global_by_latency views have these columns: events The event name. total_latency The total wait time of timed occurrences of the event. avg_latency The average wait time per timed occurrence of the event.
https://dev.mysql.com/doc/refman/5.7/en/account-activity-auditing.html
Applications can use the following guidelines to perform SQL-based auditing that ties database activity to MySQL accounts. When a client connects successfully, the server authenticates the client to a particular row in this table. The User and Host ...
https://dev.mysql.com/doc/refman/5.7/en/archive-storage-engine.html
The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small footprint. To enable this storage engine if you build MySQL from source, invoke CMake with the -DWITH_ARCHIVE_STORAGE_ENGINE ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-security.html
By default, contents of audit log files produced by the audit log plugin are not encrypted and may contain sensitive information, such as the text of SQL statements. For security reasons, audit log files should be written to a directory accessible ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log.html
Note MySQL Enterprise Audit is an extension included in MySQL Enterprise Edition, a commercial product. MySQL Enterprise Edition includes MySQL Enterprise Audit, implemented using a server plugin named audit_log. MySQL Enterprise Audit uses the ...
https://dev.mysql.com/doc/refman/5.7/en/blackhole-storage-engine.html
The BLACKHOLE storage engine acts as a “black hole” that accepts data but throws it away and does not store it. To examine the source for the BLACKHOLE engine, look in the sql directory of a MySQL source distribution. When you create a ...
https://dev.mysql.com/doc/refman/5.7/en/cache-index.html
| tbl_name PARTITION (partition_list) } IN key_cache_name tbl_index_list: tbl_name [{INDEX|KEY} (index_name[, index_name] ...)] partition_list: { partition_name[, partition_name] ... | ALL } The CACHE INDEX statement assigns table indexes to a ...
https://dev.mysql.com/doc/refman/5.7/en/channels-startup-options.html
This section describes startup options which are impacted by the addition of replication channels. The following startup settings must be configured correctly to use multi-source replication. If this variable is set to FILE, attempting to add more ...