The storage-engine tag has no wiki summary.
8
votes
3answers
17k views
Which is faster, InnoDB or MyISAM?
How can MyISAM be "faster" than InnoDB if
MyISAM needs to do disk reads for the data?
InnoDB uses the buffer pool for indexes and data, and MyISAM just for the index?
7
votes
3answers
729 views
I am using the MEMORY storage engine but MySQL still writes to my disk…Why?
I am using the MEMORY Engine for all tables associated with a particular MYSQL query because speed of access is paramount to my project.
For some reason, I have noticed that a large amount of disk ...
9
votes
2answers
2k views
Is it common practice to mix InnoDB and MyISAM tables on same server?
I've got a single database of about 4.5GB running on a server with 8GB RAM. The vast majority of the tables are MyIsam (about 4.3GB), but I'm soon going to be converting some of them to InnoDB. (It's ...
3
votes
1answer
291 views
Which mysql storage engine to choose?
I'm confused about which mysql engine should I choose (lets talk about the most used : MyISAM and InnoDB).
The theories say:
Both work with BTree indexes, but MyISAM can work with FULLTEXT index ...
1
vote
2answers
299 views
Any problem will all InnoDB and one MyISAM table?
I have a MySQL 5.5 DB with all InnoDB tables. For some reason, one of the developers decided to create a MyISAM table. It is a log table for user sessions. I don't see why we should mix in a MyISAM ...
8
votes
3answers
808 views
Speeding up conversion of MyISAM to InnoDB
I've got a mysql 5.1 server with a database of approximately 450 tables, taking up 4GB . The vast majority of these tables (all but 2) are MyIsam. This has been fine for the most part (don't need ...
2
votes
2answers
305 views
Which first: upgrade mysql version or convert storage engine?
I inherited a production mysql server at 5.0. It uses MyISAM exclusively. It is not a high volume database but it does have some large datasets.
I am planning on:
upgrading to 5.5
converting ...
7
votes
2answers
2k views
What are reasons *not* to use the MEMORY storage engine in MySQL?
I recently discovered that MySQL has a "memory" engine that I wasn't aware of (most of my database work is for hobby projects so I learn what I need as I go). It seems like this option should give me ...
2
votes
1answer
280 views
MySQL query 'going away' on executing INSERT ON DUPLICATE UPDATE statement with a 12524 character blob
I have a mysql insert on update query like so
insert into table (col1, col2, col3) values (1,2,'huge blob with 12524 chars') on duplicate key update col3 = 'huge blob with 12524 chars';
col1, col2 ...