Re: Extremely slow access to information_schema

2009-04-28 Thread Nico Sabbi
Il giorno mar, 28/04/2009 alle 17.11 -0400, Baron Schwartz ha scritto: > Hi, > > On Tue, Apr 28, 2009 at 1:04 PM, Rolando Edwards > wrote: > > Make sure the tables that the information_schema are not locked. > > > > This is because MyISAM tables, that are constantly being inserted into > > (Each

Re: Extremely slow access to information_schema

2009-04-28 Thread Baron Schwartz
Hi, On Tue, Apr 28, 2009 at 1:04 PM, Rolando Edwards wrote: > Make sure the tables that the information_schema are not locked. > > This is because MyISAM tables, that are constantly being inserted into (Each > insert, update, delete on a MyISAM table does a table lock), must update the > TABLE_

RE: Extremely slow access to information_schema

2009-04-28 Thread Rolando Edwards
: RolandoLogicWorx redwa...@logicworks.net -Original Message- From: Nico Sabbi [mailto:nicola.sa...@poste.it] Sent: Tuesday, April 28, 2009 10:05 AM To: MySql Subject: Extremely slow access to information_schema Hi, in Mysql 5.0 accessing information_schema.tables means almost certainly

Extremely slow access to information_schema

2009-04-28 Thread Nico Sabbi
Hi, in Mysql 5.0 accessing information_schema.tables means almost certainly dropping down the DBMS. With my configuration 412 databases 357417 grants every query to information_schema.tables takes minutes, while the equivalent show tables from... (that I can't absolutely use) is immediate. Is