Am 02.06.2014 15:35, schrieb Jatin Davey: > I am no expert with mysql and databases. Hence seeking out some help on this > forum. > > Basically i got a query dump of my application during its operation. I had > collected the queries for about 4 hours. > Ran some scripts on the number of queries being sent to the databases. > > The query file was a whopping 4 GB is size. Upon analyzing the queries i > found that there were a total of 30 > million queries made to the Database out of which 10 million queries were > only doing "SHOW FULL COLUMN" queries. > > The SHOW FULL COLUMN queries were of the format as below: > > SHOW FULL COLUMNS FROM `APIC_PHY_FABRIC_PHYSICAL_INTERFACE` FROM > `db_private_admin` LIKE '%' > > This is causing considerable cpu usage in %user_time in my system
fix your application - there is no single reason to run such queries 10 million times because the result won't change all the time and avoid like in general
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