What is InnoDB and MyISAM in MySQL? - Stack Overflow
2010年9月29日 · InnoDB is a transactional storage engine of MySQL whereas MyISAM is a non-transactional storage engine. In other words, InnoDB follows the ACID properties to maintain the integrity of data but MyISAM doesn't follow ACID properties thus …
When should you choose to use InnoDB in MySQL?
2017年5月23日 · InnoDB: The InnoDB storage engine in MySQL. InnoDB is a high-reliability and high-performance storage engine for MySQL. Key advantages of InnoDB include: Its design follows the ACID model, with transactions featuring commit, rollback, and crash-recovery capabilities to protect user data.
mysql - How do I repair an InnoDB table? - Stack Overflow
2015年9月27日 · set-variable=innodb_force_recovery=6 Step 3. delete ib_logfile0 and ib_logfile1. Step 4. Start MySQL server. Step 5. Run this command: mysqlcheck --database db_name table_name -uroot -p After you have successfully fixed the crashed innodb table, don't forget to remove #set-variable=innodb_force_recovery=6 from my.cnf and then restart MySQL ...
How can I determine type of mysql database : whether it is InnoDB …
will list everything for all tables, starting with whether they are MyISAM or InnoDB. if you desire to list only data regarding 1 table, the syntax below may be used* : SHOW TABLE STATUS FROM `database` LIKE 'table'; to change the table engine: ALTER TABLE `table` ENGINE=InnoDB;
What's the difference between MyISAM and InnoDB? [duplicate]
2012年9月27日 · InnoDB has a big disadvantage: it doesn't remember auto increment values (it resets them to the highest ids in the tables when MySQL restarts). So if you use InnoDB and you need unique ids, you need to implement a workaround (e.g. keep the …
sql - How to enable INNODB in mysql - Stack Overflow
2011年1月21日 · If your InnoDB gets disabled after a mysql-server upgrade what you have to do Initially is to set plugin-load of at server startup using [mysqld] plugin-load="myplugin_1=myplugin_1.so;myplugin_2=myplugin_2.so";
innodb - mysql Fatal error: cannot allocate memory for the buffer …
2018年5月2日 · The solution is NOT more space, Problem is Apache web server not mysql, actually you need to decrease innodb-buffer-pool-size This buffer is used by the mysql process right off the start, so when Apache needs more resources the kernel will clear RAM from services this means stopping mysql instead of crashing the server.
mysql - Innodb; multiple data directories - Stack Overflow
2017年3月15日 · Ensure the global variable innodb_file_per_table = 1. Stop MySQL server. Move the innodb file employee.ibd file to separate disk/folder by simple file move to E:\data\New_data\test\ Note - Keep the employee.frm in the original data directory D:\Program Files\MySQL\MySQL Server 5.6\data\test\
innodb - MySQL I/O tuning on SAN environment - Stack Overflow
MySQL version: 5.6.16-enterprise-commercial-advanced-log MySQL Engine: InnoDB MySQL Data Size: 35GB (including 9GB of indexes) Which is running on VM: Red Hat Enterprise Linux Server release 5.9 (Tikanga) File system: ext3 Storage technology: SAN Disk data format: RAID-5 Disk type: SAS with Fibre channel
How can I rebuild indexes and update stats in MySQL innoDB?
2015年5月5日 · Since mysql 8.0 myisam is slowly phasing into deprecated status, innodb is the current main storage engine. In most practical cases innodb is the best choice and it's supposed to keep indexes working well. In most practical cases innodb also does a good job, you do not need to recreate indexes. Almost always.