Re: How do increase memory allocated to MySQL?

2011-02-04 Thread Feris Thia
Hi Kevin, On Sat, Feb 5, 2011 at 6:00 AM, Kevin Spencer ke...@kevinspencer.orgwrote: When you use a leading wildcard symbol, MySQL will do a full table scan regardless of any indexes you've created. Is it also apply to regex lookup ? Regards, Feris

Re: Query Stored Index instead of Group By

2010-12-20 Thread Feris Thia
Hi Johan, On Sun, Dec 19, 2010 at 7:11 PM, Johan De Meersman vegiv...@tuxera.bewrote: You can't query the index directly, but if you select only fields that are in the index, no table lookups will be performed - this is called a covering index. Great.. Thanks for the confirmation. Regards,

Re: Bulk Insertion Performance

2010-12-18 Thread Feris Thia
Hi Johan, On Thu, Dec 16, 2010 at 4:03 PM, Johan De Meersman vegiv...@tuxera.bewrote: Hmm, interesting. What does this do, exactly ? Can something similar be applied to non-jdbc connections, too ? I'm not quite sure... but will try to trace it. Will ask this in another thread. FYI, when I

Query Stored Index instead of Group By

2010-12-18 Thread Feris Thia
Hi Everyone, Is there a way to query values stored in our index instead of using group by selection which will produce same results ? Please advice.. Regards, Feris

Re: Bulk Insertion Performance

2010-12-15 Thread Feris Thia
Hi Mark, On Thu, Dec 16, 2010 at 4:50 AM, Mark Matthews mark.matth...@oracle.com wrote: Feris, I don't know what Kettle is doing under the hood, but if it's doing addBatch(), executeBatch(), then adding rewriteBatchedStatements=true to your MySQL JDBC URL should probably help quite a bit.

Bulk Insertion Performance

2010-12-14 Thread Feris Thia
Hi All, I have a data warehouse infrastructure with following configuration : - MySQL 5.0 MyISAM + InndoDB enabled (XAMPP Distribution) - Windows 2003 64 bit data center edition - Java Runtime 6 - 32 bit version And have ETL running data warehouse process. Reading is impressive, 12,000 rows per

Re: Bulk Insertion Performance

2010-12-14 Thread Feris Thia
Hi Mark, On Wed, Dec 15, 2010 at 8:10 AM, Mark Matthews mark.matth...@oracle.comwrote: Feris, *How* are you writing, via batch statements with rewriting, or directly, or via LOAD DATA INFILE? It seems you're off by about a factor of 10-20x from what I've seen performance-wise for writes.

Re: Data folder copying problem

2008-01-31 Thread Feris Thia
Hi Martin, On 1/31/08, Martijn Tonies [EMAIL PROTECTED] wrote: Hi, By default, InnoDB tables aren't stored in the database folder, but rather in it's own table space files. In fact when I try to drop the database, the server recognizes innodb tables. For example, T1 and T2 are INNODB tables

Data folder copying problem

2008-01-31 Thread Feris Thia
Hi all, I have 2 database folder that being copied directly from a remote server and sent to me. That databases contains both MYISAM and INNODB tables. After I received the data, I try to restored it by copying that folders to my server. The problem is, only MYISAM tables are being recognized.

Re: Data folder copying problem

2008-01-31 Thread Feris Thia
09:00:38 PM +0700 From: Feris Thia [EMAIL PROTECTED] To: mysql@lists.mysql.com Subject: Data folder copying problem Hi all, I have 2 database folder that being copied directly from a remote server and sent to me. That databases contains both MYISAM and INNODB tables. After I

Re: Data folder copying problem

2008-01-31 Thread Feris Thia
Hi Martin, You are correct. That's the same error that I got. Looks like this article is the solution = http://dev.mysql.com/doc/refman/5.1/en/innodb-backup.html Thanks ! Feris On 1/31/08, Martijn Tonies [EMAIL PROTECTED] wrote: Hi, By default, InnoDB tables aren't stored in the database