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https://dev.mysql.com/doc/refman/8.4/en/slow-query-log.html
The slow query log consists of SQL statements that take more than long_query_time seconds to execute and require at least min_examined_row_limit rows to be examined. Note If you specify the TABLE log destination, see Log Tables and “Too many open ...The slow query log can be used to find queries that take a long time to execute and are therefore candidates for ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/writing-full-text-plugins.html
The parser might also be called for rows processed by the statement. For InnoDB, the stopword list and equivalent word length variable settings (innodb_ft_min_token_size and innodb_ft_max_token_size) are checked outside of the tokenizer. As a ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbinterpretedcode.html
If the program exceeds this length then adding new instructions will fail with error 4518 Too many instructions in interpreted program. NdbInterpretedCode::interpret_exit_last_row() Description For a scanning operation, invoking this method ... This ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-tablespaces-table.html
row *************************** SPACE: 26 NAME: test/t1 FLAG: 0 ROW_FORMAT: Compact or Redundant PAGE_SIZE: 16384 ZIP_PAGE_SIZE: 0 SPACE_TYPE: Single FS_BLOCK_SIZE: 4096 FILE_SIZE: 98304 ALLOCATED_SIZE: 65536 AUTOEXTEND_SIZE: 0 SERVER_VERSION: 8.4.0 ...ROW_FORMAT The tablespace row format (Compact or Redundant, Dynamic or Compressed, or ... The ...
https://dev.mysql.com/doc/refman/8.4/en/blackhole-storage-engine.html
The BLACKHOLE storage engine acts as a “black hole” that accepts data but throws it away and does not store it. Suppose that your application requires replica-side filtering rules, but transferring all binary log data to the replica first ...To ...
https://dev.mysql.com/doc/refman/8.4/en/entering-queries.html
mysql shows how many rows were returned and how long the query took to execute, which gives you a rough idea of server performance. (For brevity, the “rows in set” line is sometimes not shown in the remaining examples in this chapter.) Keywords ... Make sure that you are connected to the server, as discussed in the previous ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-search-ngram.html
Typically, ngram_token_size is set to the size of the largest token that you want to search for. The following behaviors apply to wildcard searches using ngram FULLTEXT search indexes: If the prefix term of a wildcard search is shorter than ngram ...
https://dev.mysql.com/doc/connectors/en/connector-odbc-errors.html
However, the default ODBC Data Source Administrator that is available through the Administrative Tools or Control Panel in Windows x64 Editions is located in the %SystemRoot%\system32 folder, and only searches this folder for ODBC drivers. On ...
https://dev.mysql.com/doc/connector-odbc/en/connector-odbc-errors.html
However, the default ODBC Data Source Administrator that is available through the Administrative Tools or Control Panel in Windows x64 Editions is located in the %SystemRoot%\system32 folder, and only searches this folder for ODBC drivers. On ...
https://dev.mysql.com/doc/refman/8.4/en/audit-log-file-reading.html
With a larger buffer size, calls return more events, so fewer calls are needed. To set a limit on the number of bytes that audit_log_read() reads, set the audit_log_read_buffer_size system variable. Each client should set its session value of ...