PDF (US Ltr)
- 43.2Mb
PDF (A4)
- 43.3Mb
Man Pages (TGZ)
- 295.2Kb
Man Pages (Zip)
- 400.4Kb
Info (Gzip)
- 4.3Mb
Info (Zip)
- 4.3Mb
Search Results
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-thread-stack.html
row *************************** thread_stack: {"rankdir": "LR","nodesep": "0.10", "stack_created": "2014-02-19 13:39:03", "mysql_version": "8.0.2-dmr-debug-log", "mysql_user": "root@localhost","events": [{"nesting_event_id": "0", "event_id": "10", ... Returns a JSON formatted stack of all statements, stages, and events within the Performance Schema for a given thread ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-object-overview.html
Note For MySQL instances with a large number of objects, this view might take a long time to execute. This view summarizes the types of objects within each schema. object_type The object type: BASE TABLE, INDEX (index_type), EVENT, FUNCTION, ...
https://dev.mysql.com/doc/refman/8.0/en/verifying-package-integrity.html
After downloading the MySQL package that suits your needs and before attempting to install it, make sure that it is intact and has not been tampered with. If you notice that the MD5 checksum or GPG signatures do not match, first try to download the ...There are three means of integrity checking: MD5 checksums Cryptographic signatures using GnuPG, the GNU Privacy Guard For RPM packages, the built-in RPM integrity verification mechanism The following sections describe how to use these ...
https://dev.mysql.com/doc/refman/8.0/en/view-updatability.html
They must not be expressions, such as these: 3.14159 col1 + 3 UPPER(col2) col3 / col4 (subquery) MySQL sets a flag, called the view updatability flag, at CREATE VIEW time. It is sometimes possible for a multiple-table view to be updatable, assuming ... Some views are updatable and references to them can be used to specify tables to be updated in data change ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-view-changes.html
When Group Replication's distributed recovery process is carrying out state transfer from the binary log, to synchronize the joining member with the donor up to a specific point in time, the joining member and donor make use of GTIDs (see Section ...However, GTIDs only provide a means to realize which transactions the joining member is ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-instrument-naming.html
This element also determines which event timer in the performance_timers table applies to the instrument. The TIMED column for the error row in the setup_instruments table is inapplicable because timing information is not collected. Memory ... An ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary.html
statement_latency The total wait time of timed statements for the host. statement_avg_latency The average wait time per timed statement for the host. file_io_latency The total wait time of timed file I/O events for the host. These views summarize ...
https://dev.mysql.com/doc/refman/8.0/en/sys-innodb-lock-waits.html
The innodb_lock_waits and x$innodb_lock_waits views have these columns: wait_started The time at which the lock wait started. wait_age How long the lock has been waited for, as a TIME value. waiting_trx_age How long the waiting transaction has been ... These views summarize the InnoDB locks that transactions are waiting ...
https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary.html
statement_latency The total wait time of timed statements for the user. statement_avg_latency The average wait time per timed statement for the user. file_io_latency The total wait time of timed file I/O events for the user. These views summarize ...
https://dev.mysql.com/doc/refman/8.0/en/sys-waits-by-host-by-latency.html
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 host. max_latency The maximum single wait time of timed occurrences of the event for the ...