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Search Results
https://dev.mysql.com/doc/refman/5.7/en/sys-memory-global-by-current-bytes.html
The memory_global_by_current_bytes and x$memory_global_by_current_bytes views have these columns: event_name The memory event name. These views summarize memory use, grouped by allocation type (that is, by event). By default, rows are sorted by ...
https://dev.mysql.com/doc/refman/5.7/en/sys-memory-global-total.html
The memory_global_total and x$memory_global_total views have these columns: total_allocated The total bytes of memory allocated within the server.
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-check-lost-instrumentation.html
The ps_check_lost_instrumentation view has these columns: variable_name The Performance Schema status variable name indicating which type of instrument was lost. This view returns information about lost Performance Schema instruments, to indicate ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-thread-account.html
The value should match the THREAD_ID column from some Performance Schema threads table row. Given a Performance Schema thread ID, returns the user_name@host_name account associated with the thread. Parameters in_thread_id BIGINT UNSIGNED: The ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-thread-stack.html
The value should match the THREAD_ID column from some Performance Schema threads table row. Returns a JSON formatted stack of all statements, stages, and events within the Performance Schema for a given thread ID. row *************************** ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-thread-trx-info.html
The value should match the THREAD_ID column from some Performance Schema threads table row. Returns a JSON object containing information about a given thread. The information includes the current transaction, and the statements it has already ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-trace-statement-digest.html
If you find a statement of interest within the Performance Schema events_statements_summary_by_digest table, specify its DIGEST column MD5 value to this procedure and indicate the polling duration and interval. Traces all Performance Schema ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-index-statistics.html
The schema_index_statistics and x$schema_index_statistics views have these columns: table_schema The schema that contains the table. select_latency The total wait time of timed reads using the index. insert_latency The total wait time of timed ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-object-index.html
The following tables list sys schema objects and provide a short description of each one.
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-object-overview.html
This view summarizes the types of objects within each schema. Note For MySQL instances with a large number of objects, this view might take a long time to execute. object_type The object type: BASE TABLE, INDEX (index_type), EVENT, FUNCTION, ...