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https://dev.mysql.com/doc/refman/8.4/en/using-systemd.html
This script assists in creating the error log file only if the log location matches a pattern (/var/log/mysql*.log for RPM platforms, /var/log/mysql/*.log for Debian platforms). In other cases, the error log directory must be writable or the error ...If you install MySQL from a source distribution on a platform that uses systemd, obtain systemd support for MySQL by configuring the distribution using the -DWITH_SYSTEMD=1 CMake ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbblob.html
NdbBlob Class Overview NdbBlob::ActiveHook NdbBlob::blobsFirstBlob() NdbBlob::blobsNextBlob() NdbBlob::close() NdbBlob::getBlobEventName() NdbBlob::getBlobTableName() NdbBlob::getColumn() NdbBlob::getLength() NdbBlob::getNull() ... This section ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-buffer-pool.html
Per second averages provided in InnoDB Standard Monitor output are based on the elapsed time since InnoDB Standard Monitor output was last printed. youngs/s The per second average of accesses to old pages in the buffer pool LRU list that have ...
https://dev.mysql.com/doc/refman/8.4/en/data-types.html
fsp applies to the TIME, DATETIME, and TIMESTAMP types and represents fractional seconds precision; that is, the number of digits following the decimal point for fractional parts of seconds. MySQL supports SQL data types in several categories: ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-redo-log.html
InnoDB tries to maintain 32 redo log files in total, with each file equal in size to 1/32 * innodb_redo_log_capacity; however, file sizes may differ for a time after modifying the innodb_redo_log_capacity setting. Redo Log Archiving Backup utilities ... The redo log is a disk-based data structure used during crash recovery to correct data written by incomplete ...
https://dev.mysql.com/doc/workbench/en/wb-view-editor.html
Any number of views may be open at the same time. To invoke the view editor, double-click a view object on the EER Diagram canvas or double-click a view in the Physical Schemas section on the MySQL Model page. This opens the view editor docked at ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-limitations-variables.html
A group_concat_max_len session variable with a value that exceeds the maximum MySQL HeatWave column length (65532 bytes). time_zone and timestamp variable settings are not passed to MySQL HeatWave when queries are offloaded.
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-billing-free-quota.html
The way you are billed for backup storage depends on the DB System State: Active/Inactive: You are billed only when the backups' total size exceeds the free quota described below. You are entitled to a maximum of 150 GiB free backup storage, which ... Billing and Free Quota for Backup Storage 18.6 Billing and Free Quota for Backup Storage The backup storage billing depends on the DB system state and the data storage size that you defined while creating a DB system or updating the storage ...
https://dev.mysql.com/doc/refman/8.4/en/bit-type.html
The maximum combined size of all BIT columns used in a given NDB table must not exceed 4096 bits. The BIT data type is used to store bit values. If you assign a value to a BIT(M) column that is less than M bits long, the value is padded on the left ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-statement-histogram-summary-tables.html
Each statement histogram summary table has these summary columns containing aggregated values: BUCKET_TIMER_LOW, BUCKET_TIMER_HIGH A bucket counts statements that have a latency, in picoseconds, measured between BUCKET_TIMER_LOW and ... The ...To ...