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Re: MySQL Cluster performance question

From: Stewart Smith <stewart(at)mysql.com>
Date: Thu Aug 16 2007 - 21:53:32 EDT


On Thu, 2007-08-09 at 13:31 -0500, Brian Moon wrote:
> > mysql> SELECT DISTINCT gv_symbol FROM `past30_ndb_disk` FORCE INDEX
> > (`gvsymtime`) WHERE 1;
> > 90 rows in set (4 min 44.90 sec)
> >
> > mysql> SELECT DISTINCT gv_symbol FROM `past30_MYISAM` FORCE INDEX
> > (`gvsymtime`) WHERE 1;
> > 90 rows in set (1.54 sec)
>
> Can we see the create table on these? Frankly, the 1.54 seconds on the
> myisam seems low to me if a good key is used.

and EXPLAIN

-- 
Stewart Smith, Senior Software Engineer
MySQL AB, www.mysql.com
Office: +14082136540 Ext: 6616
VoIP: 6616@sip.us.mysql.com
Mobile: +61 4 3 8844 332

Jumpstart your cluster:
http://www.mysql.com/consulting/packaged/cluster.html
Received on Thu Aug 16 21:53:22 2007

This archive was generated by hypermail 2.1.8 : Sun Oct 07 2007 - 10:15:01 EDT


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