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Since MyISAM only caches indexes, you could do two things You could create a custom key cache just to load MyISAM index for the users table only You could index the username and password to force the … Here are the commands to create an 8MB key cache and load that dedicated key cache (Example: If the table is mydb.users): SET GLOBAL authentication_cache.key_buffer_size = 1024 * 1024 * 8; CACHE INDEX …

You can also set up dedicated keycache, one or more tables per cache table. … Cache and InnoDB Buffer Pool. …

Such actions could produce unintended primary key locks and lots of phantom data. As these two things increase, you should expect a fair slow down. … InnoDB : As shown in the internals picture of InnoDB, the system tablespave ibdata1 has a structure dedicated to Secondary Index Insertions. …

UPDATE 2012-02-04 21:53 EDT While one can create caches dedicated to MyISAM via as follows: SET GLOBAL authentication_cache.key_buffer_size = 1024 * 1024 * 8; CACHE INDEX mydb.users INTO authentication_cache … You can cache data pages for InnoDB. MyISAM no. …

Cache for existing MyISAM and the InnoDB Buffer Pool for InnoDB data and indexes. … If you configure MySQL to use 75% of RAM for InnoDB, even on a dedicated MySQL server, the OS will get a busy paging to disk. …

However, you could minimize or neutralize any ill effects of swapping by assigning the index of monitor.result by creating a dedicated MyISAM Key Cache. … You can create that dedicated key cache with that size with a little headroom, say 2.5MB. …

with primay key and varchar value I am currently do this for clients at my employer's company. … As to why the SLEEP function seems to be skipped, here is my best guess: Way back in MySQL 5.0.12, SLEEP was getting inserted into the query cache via some optimization. …

ALTER TABLE keywords ENGINE=MyISAM; SUGGESTION #3 Once you make the keywords table MyISAM on the Slave, you could create a dedicated MyISAM Key Cache just for keywords as follows (Example: Setup 512M … Then, just restart mysql service mysql restart This keeps keyword index pages away from the general MyISAM Key Cache and in a dedicated cache. …

The key_buffer_size variables sets up how large the MyISAM Key Cache will be. … There are two suggestions I can offer SUGGESTION #1 : Use a Dedicated Key Cache for the Table Did you know you could create a keycache dedicated to one or more MyISAM tables? …

Going forward, every reload of the table will populate the dedicated key cache. Please note the ROW_FORMAT=Fixed clause. … Using MyISAM, the data remains on disk but is exclusively accessed from the dedicate key cache. …

id and value together in the MyISAM Key Cache. … I would also propose you make a dedicated 1GB MyISAM Key Cache just for your table STEP 01: Create a script to load the table into the dedicated key cache cd /var/lib/mysql echo "SET GLOBAL mykeycache.key_buffer_size …

If the table is ready-heavy, you may want to use a dedicated MyISAM key cache. Heavy INSERTs from LOAD DATA INFILE will lock the MyISAM table. …

How to cache a MyISAM table By design, the MyISAM storage engine only caches index pages from .MYI. There is a command to preload indexes for one or more MyISAM tables into a dedicated key cache. … STEP 02) Make a script that will create a key cache for ART_LOOKUP only cd /var/lib/mysql echo "SET GLOBAL art_lookup_cache.key_buffer_size = 1048576 * 200;" > init_file.sql echo "CACHE INDEX ART_LOOKUP …

Just keep in mind that if the index blocks for a MyISAM table are not in the Key Cache, it must be read from disk, then loaded into the Key Cache. … SUGGESTION To reduce or eliminate the amount of reads from the .MYI file of a MyISAM table, you should look into setting up a dedicated Key Cache just for this table. …

In your question, you gave the correct syntax for setting up a dedicated key cache (See LOAD INDEX INTO CACHE) I wrote about this before Less RAM than Index_length MyISAM optimal table design mysql … with primay key and varchar value Once you assign one or more tables to a dedicated key cache and run LOAD INDEX INTO CACHE: the cached indexes will get removed from the default key cache not go …