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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ps-tables.html
thread_name is the standalone name of the thread (ndb_binlog, ndb_index_stat, or ndb_metadata). NDB provides information in the MySQL Performance Schema about ndbcluster plugin threads and instrumenting for transaction batch memory. These features ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-start-phases.html
If this is a system restart, all indexes are rebuilt (by DBDIH). This section provides a simplified outline of the steps involved when NDB Cluster data nodes are started. More complete information can be found in NDB Cluster Start Phases, in the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-javascript-documents-collections.html
When you are using MySQL as a Document Store, collections are containers within a schema that you can create, list, and drop. Collections contain JSON documents that you can add, find, update, and remove. The examples in this section use the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-shell-tutorial-python-documents-collections.html
When you are using MySQL as a Document Store, collections are containers within a schema that you can create, list, and drop. Collections contain JSON documents that you can add, find, update, and remove. The examples in this section use the ...
https://dev.mysql.com/doc/refman/8.4/en/numeric-type-attributes.html
When you insert a value of NULL into an indexed AUTO_INCREMENT column, the column is set to the next sequence value. MySQL supports an extension for optionally specifying the display width of integer data types in parentheses following the base ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-accounts-table.html
The accounts table has these indexes: Primary key on (USER, HOST) . The accounts table contains a row for each account that has connected to the MySQL server. For each account, the table counts the current and total number of connections. To set ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-binary-log-transaction-compression-stats-table.html
This table shows statistical information for transaction payloads written to the binary log and relay log, and can be used to calculate the effects of enabling binary log transaction compression. For information on binary log transaction ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-error-summary-tables.html
The error summary tables have these indexes: events_errors_summary_by_account_by_error: Primary key on (USER, HOST, ERROR_NUMBER) events_errors_summary_by_host_by_error: Primary key on (HOST, ERROR_NUMBER) events_errors_summary_by_thread_by_error: ... The Performance Schema maintains summary tables for aggregating statistical information about server errors (and ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-stages-history-long-table.html
The events_stages_history_long table contains the N most recent stage events that have ended globally, across all threads. Stage events are not added to the table until they have ended. When the table becomes full, the oldest row is discarded when ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-stages-history-table.html
The events_stages_history table has the same columns and indexing as events_stages_current. The events_stages_history table contains the N most recent stage events that have ended per thread. Stage events are not added to the table until they have ...