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https://www.percona.com/blog/2010/12/09/mysql-optimize-tables-innodb-stop/
Note: In MySQL 5.5, OPTIMIZE TABLE does not take advantage of “InnoDB Fast Index Creation” feature. This limitation is documented in the MySQL 5.5 official documentation. This limitation is documented in the MySQL 5.5 official documentation.
https://www.justin.my/2010/09/table-does-not-support-optimize-doing-recreate-analyze-instead/
Sep 12, 2010 · Everytime you do optimize MySQL, by using mysqlcheck -A -o or using ./mysql_optimize from here. You may see the output . Table does not support optimize, doing recreate + analyze instead.. It is because the table that you are using is InnoDB.
https://serverfault.com/questions/125515/mysql-table-does-not-support-optimize
When you run OPTIMIZE TABLE against InnoDB tables it outputs the Table does not support optimize, doing recreate + analyze instead message. From the documentation: OPTIMIZE TABLE is mapped to ALTER TABLE, which rebuilds the table to update index statistics and free unused space in the clustered index.
https://mysqlserverteam.com/mysql-5-6-17-improved-online-optimize-table-for-innodb-and-partitioned-innodb-tables/
Mar 27, 2014 · MySQL versions prior to MySQL 5.6.17 does not allow concurrent changes (inserts, updates, deletes) to the table when the OPTIMIZE TABLE operation is being performed on that table. This causes downtime for user applications and is relatively high for large tables.
https://dev.mysql.com/doc/refman/8.0/en/optimize-table.html
By default, OPTIMIZE TABLE does not work for tables created using any other storage engine and returns a result indicating this lack of support. You can make OPTIMIZE TABLE work for other storage engines by starting mysqld with the --skip-new option. In this case, OPTIMIZE TABLE is just mapped to ALTER TABLE. This statement does not work with views. OPTIMIZE TABLE is supported for partitioned tables.
https://dba.stackexchange.com/questions/43102/table-optimize-command-crashed-mysql-server
If you're not using using innodb_file_per_table, then you're going to end up with a giant ibdata file and no free disk space. Rolando has given an extensive answer about steps to resolve this issue, and you should follow that rather than the rest of these steps.
https://code-examples.net/en/q/2af82c
For InnoDB tables, OPTIMIZE TABLE is mapped to ALTER TABLE, which rebuilds the table to update index statistics and free unused space in the clustered index. Beginning with MySQL 5.1.27, this is displayed in the output of OPTIMIZE TABLE when you run it on an InnoDB table, as shown here:
https://dba.stackexchange.com/questions/55934/how-to-optimize-innodb-tables-in-mysql
Some say that OPTIMIZE will not work with InnoDB tables and that you need to run ALTER TABLE table_name ENGINE=INNODB. Others say that OPTIMIZE actually calls the ALTER TABLE command when executing against InnoDB tables. With that in mind, I ran the ALTER TABLE command against one of the InnoDB tables identified as being fragmented (data_free > 0) and found that the data_free did not change …
https://forums.mysql.com/read.php?115,546803,546803
Jun 02, 2012 · "Table does not support optimize, doing recreate + analyze instead" This is the same database without any additional changes. Are of type InnoDB tables (on old and new server). On the new server mysqltuner show that the most tables are defragmented. How do I bring to the state such as the old MySQL server? Please help. Peter. Edited 1 time(s).
https://dev.mysql.com/doc/refman/8.0/en/optimize-table.html
OPTIMIZE TABLE using online DDL is not supported for InnoDB tables that contain FULLTEXT indexes. The table copy method is used instead. InnoDB stores data using a page-allocation method and does not suffer from fragmentation in the same way that legacy storage engines (such as MyISAM) will.
https://www.justin.my/2010/09/table-does-not-support-optimize-doing-recreate-analyze-instead/
Sep 12, 2010 · Table does not support optimize, doing recreate + analyze instead. It is because the table that you are using is InnoDB. You can optimize the InnoDB tables by using this. ALTER TABLE table.name ENGINE='InnoDB'; This will create a copy of the original table, and drop the original table, and replace to the original place.
https://www.percona.com/blog/2010/12/09/mysql-optimize-tables-innodb-stop/
Note: In MySQL 5.5, OPTIMIZE TABLE does not take advantage of “InnoDB Fast Index Creation” feature. This limitation is documented in the MySQL 5.5 official documentation. This limitation is documented in the MySQL 5.5 official documentation.
https://mysqlserverteam.com/mysql-5-6-17-improved-online-optimize-table-for-innodb-and-partitioned-innodb-tables/
Mar 27, 2014 · MySQL versions prior to MySQL 5.6.17 does not allow concurrent changes (inserts, updates, deletes) to the table when the OPTIMIZE TABLE operation is being performed on that table. This causes downtime for user applications and is relatively high for large tables.
https://dev.mysql.com/doc/refman/5.5/en/optimizing-innodb.html
InnoDB is the storage engine that MySQL customers typically use in production databases where reliability and concurrency are important. Because InnoDB is the default storage engine in MySQL 5.5 and higher, you can expect to see InnoDB tables more often than before. This section explains how to optimize database operations for InnoDB tables.
https://stackoverflow.com/questions/2816044/optimize-innodb-table
For InnoDB tables, OPTIMIZE TABLE is mapped to ALTER TABLE, which rebuilds the table to update index statistics and free unused space in the clustered index. Beginning with MySQL 5.1.27, this is displayed in the output of OPTIMIZE TABLE when you run it on an InnoDB table, as shown here:
https://dba.stackexchange.com/questions/55934/how-to-optimize-innodb-tables-in-mysql
Some say that OPTIMIZE will not work with InnoDB tables and that you need to run ALTER TABLE table_name ENGINE=INNODB. Others say that OPTIMIZE actually calls the ALTER TABLE command when executing against InnoDB tables.
https://dev.mysql.com/doc/refman/5.6/en/optimize-table.html
By default, OPTIMIZE TABLE does not work for tables created using any other storage engine and returns a result indicating this lack of support. You can make OPTIMIZE TABLE work for other storage engines by starting mysqld with the --skip-new option.
https://dev.mysql.com/doc/refman/5.5/en/optimize-table.html
By default, OPTIMIZE TABLE does not work for tables created using any other storage engine and returns a result indicating this lack of support. You can make OPTIMIZE TABLE work for other storage engines by starting mysqld with the --skip-new option.
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