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. I had seen this on a few of my own sites but realized some of mine also seem to have a mix of storage types and such, so spun up a fresh one to compare and try to bring my affected Nov 21, 2023 · Table does not support optimize, doing recreate + analyze instead Code language: SQL (Structured Query Language) (sql) It means that the OPTIMIZE TABLE does not optimize the InnoDB tables in the same way it optimizes the MyISAM tables. ASPECT #2 Nov 26, 2020 · I have a bunch of tables (InnoDB) within several databases (MySQL 8), that I run Garbage Collect scripts on, on daily basis, removing stale records that are no longer needed. Mar 23, 2010 · When you run OPTIMIZE TABLE against InnoDB tables it outputs the Table does not support optimize, doing recreate + analyze instead message. mytable; Mar 9, 2019 · Doing optimize table on an InnoDB table is usually not necessary to do frequently, but only after you do a lot of insert/update/delete against the table in a way that could result in fragmentation. Несколько шагов по оптимизации MySQL. 27, this is displayed in the output of OPTIMIZE TABLE when you run it on an InnoDB table, as shown here: OPTIMIZE TABLE performs ANALYZE TABLE after doing some table compression. 1. On the new server mysqltuner show that the most tables are defragmented. mytable; Sep 29, 2016 · The error message comes from OPTIMIZE TABLE, which is all but useless for InnoDB. mytable; Mar 23, 2010 · When you run OPTIMIZE TABLE against InnoDB tables it outputs the Table does not support optimize, doing recreate + analyze instead message. After extensive changes to a table, this statement may also improve performance of statements that use the table, sometimes significantly. ALTER TABLE GEO ENGINE='InnoDB'; ANALYZE TABLE GEO; There was no need to do it again. In this case, OPTIMIZE TABLE is just mapped to ALTER TABLE. It gives this message. This statement requires SELECT and INSERT privileges for the table. Apr 25, 2016 · This tutorial explains how to optimize MySQL to defrag tables and reclaim unused space. note : Table does not support optimize, doing recreate + analyze instead Sep 29, 2016 · The error message comes from OPTIMIZE TABLE, which is all but useless for InnoDB. 1) OPTIMIZE TABLE tableN; Table does not support optimize, doing recreate + analyze instead | Sep 29, 2016 · The error message comes from OPTIMIZE TABLE, which is all but useless for InnoDB. As a dry run I ran the same command (optimize table) on a smaller table in the same DB and mysql insists on a recreate+analyze instead. Mar 9, 2019 · Doing optimize table on an InnoDB table is usually not necessary to do frequently, but only after you do a lot of insert/update/delete against the table in a way that could result in fragmentation. As the message says, that command is only performing ANALYZE on the table. Aug 10, 2022 · However, it is not a bug. Peter. MySQL 5. Note that I'm using barracuda format and file-per-table. That means that only index statistics are updated, for the major nodes. Lo que realmente realiza este comando es una copia de la tabla original, y después elimina la tabla original, reemplazándola con la copia, que en este caso será de tipo MyISAM en lugar del tipo original, qiue era inno DB. Would it make sense / be at all beneficial to optimize all tables, say every week, to increase performance? Mar 9, 2019 · Doing optimize table on an InnoDB table is usually not necessary to do frequently, but only after you do a lot of insert/update/delete against the table in a way that could result in fragmentation. ) InnoDB is good at keeping its tables in decent shape. Sep 29, 2016 · The error message comes from OPTIMIZE TABLE, which is all but useless for InnoDB. You can make OPTIMIZE TABLE work for other storage engines by starting mysqld with the --skip-new option. De esta forma convertiremos nuestras tablas de tipo innoDB a tipo MyISAM. All tables do have indexes on them. By default, OPTIMIZE TABLE does not work for tables created using any other storage engine and returns a result indicating this lack of support. This doesn't require building a copy of the table. On my setup when I say OPTIMIZE TABLE wp_options (for example) I get this message: > Table does not support optimize, doing recreate + analyze instead. Oct 17, 2019 · 使用optimize table table_name出现Table does not support optimize, doing recreate + analyze instead 的解决办法： innodb的数据库不支持optimize，可以用 ALTER TABLE table. 6 and I am trying to optimize a large table without mysql recreating it. Is it not possible to optimize without recreate in this Nov 21, 2023 · Table does not support optimize, doing recreate + analyze instead Code language: SQL (Structured Query Language) (sql) It means that the OPTIMIZE TABLE does not optimize the InnoDB tables in the same way it optimizes the MyISAM tables. Free space is calculated on the number of pages that do not contain data. That does not and never will impact the free space in the tablespace. I'm running mysql 5. This statement does not work with Sep 29, 2016 · The error message comes from OPTIMIZE TABLE, which is all but useless for InnoDB. name ENGINE='InnoDB';对旧表以复制的方式新建一个新表，然后删除旧表。操作前最好备份表。 OPTIMIZE TABLE performs ANALYZE TABLE after doing some table compression. 6. May 6, 2017 · As of MySQL 5. May 23, 2017 · OPTIMIZE TABLE works fine on InnoDB tables. mytable; . Modifying it can lead to an inconsistent GTID state. Connect to your MySQL database, and execute the following query, which will display how much unused space are available in every table. The equivalent of OPTIMIZE TABLE mydb. mytable; Nov 21, 2023 · Table does not support optimize, doing recreate + analyze instead Code language: SQL (Structured Query Language) (sql) It means that the OPTIMIZE TABLE does not optimize the InnoDB tables in the same way it optimizes the MyISAM tables. Nov 21, 2023 · Table does not support optimize, doing recreate + analyze instead Code language: SQL (Structured Query Language) (sql) It means that the OPTIMIZE TABLE does not optimize the InnoDB tables in the same way it optimizes the MyISAM tables. The REPAIR TABLE doesn’t do anything either. (It had some use for MyISAM. Jun 13, 2020 · 对于BDB表，OPTIMIZE TABLE目前被映射到ANALYZE TABLE上。对于InnoDB表，OPTIMIZE TABLE被映射到ALTER TABLE上，这会重建表。重建操作能更新索引统计数据并释放成簇索引中的未使用的空间。 当是InnoDB引擎时，会报“Table does not support optimize, doing recreate + analyze instead”，一般 Sep 29, 2016 · The error message comes from OPTIMIZE TABLE, which is all but useless for InnoDB. 1 OPTIMIZE TABLE syntax. mytable; Oct 6, 2023 · Table does not support optimize, doing recreate + analyze instead This recreate + analyze is what I call non-atomic in the title: for InnoDB, an OPTIMIZE is two operations. The message that says "Table does not support optimize, doing recreate + analyze instead" is purely informational. Edited 1 time(s). Some "interesting", but totally legitimate, actions on a MySQL server can lead to recreate succeeding, but analyze failing. Nov 21, 2023 · Table does not support optimize, doing recreate + analyze instead Code language: SQL (Structured Query Language) (sql) It means that the OPTIMIZE TABLE does not optimize the InnoDB tables in the same way it optimizes the MyISAM tables. OPTIMIZE TABLE works for InnoDB , MyISAM, and ARCHIVE tables. Are of type InnoDB tables (on old and new server). mytable; if the table was MyISAM is this: ALTER TABLE mydb. mytable; The OPTIMIZE TABLE command does nothing on InnoDB tables. The first step is to identify whether you have fragmentation on your MySQL database. May 12, 2010 · 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. This process can be a lot faster, especially for large indexes which would get inserts in very random order Mar 23, 2010 · When you run OPTIMIZE TABLE against InnoDB tables it outputs the Table does not support optimize, doing recreate + analyze instead message. OPTIMIZE TABLE performs ANALYZE TABLE after doing some table compression. ,As of MySQL 5. name engine='innodb’进行转换，优化也可以用这个。所以当是InnoDB引擎时我们就用alter table Nov 21, 2023 · Table does not support optimize, doing recreate + analyze instead Code language: SQL (Structured Query Language) (sql) It means that the OPTIMIZE TABLE does not optimize the InnoDB tables in the same way it optimizes the MyISAM tables. 17,The table rebuild triggered by OPTIMIZE TABLE and performed under the cover by ALTER TABLE FORCE is completed in place (ALGORITHM =inplace) TABLE to reclaim the unused space and to defragment the data file. ANALYZE TABLE is much less impact for InnoDB. This is a mysql internal system table to store GTIDs for committed transactions. You can safely ignore that message. 对于myisam可以直接使用 optimize table table_name, 当是InnoDB引擎时，会报“Table does not support optimize, doing recreate + analyze instead”，一般情况下，由myisam转成innodb，会用alter table table. 17,OPTIMIZE TABLE uses online DDL for regular and partitioned InnoDB tables. Dec 16, 2011 · mysql. If you’re running Innodb Plugin on Percona Server with XtraDB you get the benefit of a great new feature – ability to build indexes by sort instead of via insertion. Sep 26, 2015 · The message you saw did not say "Table does not support optimize, do recreate + analyze instead OK" but the message said "Table does not support optimize, doing recreate + analyze instead OK" This means the InnoDB Storage Engine already executed. How do I bring to the state such as the old MySQL server? Please help. So I guess Mar 9, 2019 · Doing optimize table on an InnoDB table is usually not necessary to do frequently, but only after you do a lot of insert/update/delete against the table in a way that could result in fragmentation. Jun 2, 2012 · "Table does not support optimize, doing recreate + analyze instead" This is the same database without any additional changes. TABLE to reclaim the unused space and to defragment the data file. Nov 25, 2021 · Description: Hello, `optimize table` upon a table of InnoDB SE shows `Table does not support optimize, doing recreate + analyze instead`, but actually when checking status of table with `show table status like ` I find that table stats info are not changed, but if `analyze table` command is executed table stats will show changement. 1. This is what I call interrupting in the title. mytable ENGINE=MyISAM; ANALYZE TABLE mydb. mytable; OPTIMIZE TABLE performs ANALYZE TABLE after doing some table compression. Feb 25, 2023 · I stumbled across something a bit strange some tables by default in a brand new WP app install show errors around invalid default values for some table columns. Beginning with MySQL 5. Identify Tables for Optimization. This statement does not work with Jul 4, 2014 · 1. > The storage engine for the table doesn’t support repair Mar 9, 2019 · Doing optimize table on an InnoDB table is usually not necessary to do frequently, but only after you do a lot of insert/update/delete against the table in a way that could result in fragmentation. Dec 9, 2010 · Why you shouldn’t necessarily optimize tables with MySQL OPTIMIZE. gtid_executed Warning : Please do not modify the gtid_executed table. vt jh os cy jw na ar st wd cl