PDF (US Ltr)
- 35.1Mb
PDF (A4)
- 35.2Mb
Man Pages (TGZ)
- 256.4Kb
Man Pages (Zip)
- 361.2Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-quick-start.html
Check the server error log for information about what went wrong. The number of Performance Schema tables increases over time as implementation of additional instrumentation proceeds. row *************************** THREAD_ID: 0 EVENT_ID: 5523 ...
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/performance-schema-consumer-configurations.html
If you do not need the information provided by enabling lower-level settings, disable them and the Performance Schema executes less code on your behalf and you have less information to sift through. The consumer settings in the setup_consumers ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-logs-cluster-log.html
LCPFragmentCompleted Checkpoint 11 INFO Node node_id: ACC Blocked num_1 and TUP Blocked num_2 times last second Undo logging is blocked because the log buffer is close to overflowing. [Occurred during startphase start_phase.] [ Initiated by signal.] ... The following table lists the most common NDB cluster log ...
https://dev.mysql.com/doc/refman/5.7/en/replication-solutions-scaleout.html
Start by creating a wrapper library or module that implements the following functions: safe_writer_connect() safe_reader_connect() safe_reader_statement() safe_writer_statement() safe_ in each function name means that the function takes care of ...
https://dev.mysql.com/doc/refman/5.7/en/downgrading-to-previous-series.html
However, if there are multiple triggers with the same trigger event and action time, the server executes only one of them when the trigger event occurs. Logging Changes Support for sending the server error log to syslog in MySQL 5.7.5 and up differs ... Before downgrading from MySQL 5.7, review the information in this ...
https://dev.mysql.com/doc/refman/5.7/en/comparisons-using-subqueries.html
WHERE 'a' = (SELECT column1 FROM t1) MySQL also permits this construct: non_subquery_operand LIKE (subquery) At one time the only legal place for a subquery was on the right side of a comparison, and you might still find some old DBMSs that insist ... The most common use of a subquery is in the form: non_subquery_operand comparison_operator (subquery) Where comparison_operator is one of these operators: = > < >= <= <> != <=> For example: ...
https://dev.mysql.com/doc/refman/5.7/en/replication-features-temptables.html
Temporary tables are replicated except in the case where you stop the replica server (not just the replication threads) and you have replicated temporary tables that are open for use in updates that have not yet been executed on the replica. The ...