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https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-sysschema-iobyhost-category.html
Table 6.33 Sys Schema IO By Host Metrics NameDescriptionHost The host from which the client connected. Lists the Sys Schema IO By Host metrics and provides a brief description of each. Total The total number of file IO events for the host. Total ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-sysschema-iobythreadbylatency-category.html
Table 6.34 Sys Schema IO By Thread By Latency Metrics NameDescriptionAverage Latency The average wait time per timed IO event for the thread. Lists the Sys Schema IO By Thread By Latency metrics and provides a brief description of each. Max Latency ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-sysschema-ioglobalbywaitbylatency-category.html
Table 6.36 Sys Schema IO Global By Wait By Latency Metrics NameDescriptionAverage Latency The average wait time per timed occurrence of the IO event. Lists the Sys Schema IO Global By Wait By Latency metrics and provides a brief description of each. Average Read The average number of bytes per read for the IO ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-threads-activity-category.html
Table 6.45 Threads Activity Metrics NameDescriptionCached The number of threads in the thread cache. Connection Limit Usage (Rate) Once the maximum connection limit for the MySQL server has been reached, no other user connections can be established ... Lists the Threads Activity metrics and provides a brief description of ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-oracle-mysql-discovery.html
From the Targets on Hosts table, select the host to auto-discover. It is possible to discover MySQL instances automatically, using OMS Auto Discovery. To configure Auto Discovery for Oracle MySQL, do the following: From the Setup menu, select Add ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-performance-page-connections.html
Table 5.1 Connections Performance Page Regions GraphDescriptionCurrent Connections Graphs the number of current, running and cached connections. The Connection Statistics page displays the connections and network statistics for the monitored MySQL ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-performance-page-innodb-bufferpool-usage.html
Table 5.8 InnoDB Buffer Pool Performance Page Regions GraphDescriptionBuffer Usage Graphs the amount of megabytes in the InnoDB buffer pool which contain data and the number of megabytes held in dirty pages. The InnoDB Buffer Pool page displays ...
https://dev.mysql.com/doc/x-devapi-userguide/en/boolean-expression-strings.html
Boolean expression strings can be used when filtering collections or tables using operations, such as find() and remove(). The following example of a boolean expression string uses find() to search for all documents with a “red” color attribute ...
https://dev.mysql.com/doc/x-devapi-userguide/en/creating-documents.html
Once a collection has been created, it can store JSON documents. You store documents by passing a JSON data structure to the Collection.add() function. Some languages have direct support for JSON data, others have an equivalent syntax to represent ...
https://dev.mysql.com/doc/x-devapi-userguide/en/devapi-users-crud-operations.html
This section explains how to use the X DevAPI for Create Read, Update, and Delete (CRUD) operations. X DevAPI extends this domain by adding support for CRUD operations that can be run against collections of documents.