[mythtv] innodb vs myism preformance
Daniel Manjarres
danmanj at gmail.com
Mon Feb 21 21:23:23 UTC 2005
So this is the structure of the 3 tables in my db. I guess the first
thing is to make sure they are not on crack. The next thing is to
figure out if I should be adding any indices or what to speed things
up. I apparently have 6 times the recordings that y'all have, so maybe
thats where I need to look. But I am not a SQL hacker, so I am not
sure how to proceed.
>mysqldump -d mythconverg recorded
-- MySQL dump 9.11
--
-- Host: localhost Database: mythconverg
-- ------------------------------------------------------
-- Server version 4.0.23_Debian-4-log
--
-- Table structure for table `recorded`
--
CREATE TABLE `recorded` (
`chanid` int(10) unsigned NOT NULL default '0',
`starttime` datetime NOT NULL default '0000-00-00 00:00:00',
`endtime` datetime NOT NULL default '0000-00-00 00:00:00',
`title` varchar(128) NOT NULL default '',
`subtitle` varchar(128) NOT NULL default '',
`description` text NOT NULL,
`bookmark` varchar(128) default NULL,
`editing` int(10) unsigned NOT NULL default '0',
`cutlist` text,
`hostname` varchar(255) NOT NULL default '',
`category` varchar(64) NOT NULL default '',
`autoexpire` int(11) NOT NULL default '0',
`commflagged` int(10) unsigned NOT NULL default '0',
`recgroup` varchar(32) NOT NULL default 'Default',
`recordid` int(11) default NULL,
`seriesid` varchar(12) NOT NULL default '',
`programid` varchar(20) NOT NULL default '',
`lastmodified` timestamp(14) NOT NULL,
`filesize` bigint(20) NOT NULL default '0',
`stars` float NOT NULL default '0',
`previouslyshown` tinyint(1) default '0',
`originalairdate` date default NULL,
`preserve` tinyint(1) NOT NULL default '0',
`findid` int(11) NOT NULL default '0',
`deletepending` tinyint(1) NOT NULL default '0',
PRIMARY KEY (`chanid`,`starttime`),
KEY `endtime` (`endtime`),
KEY `seriesid` (`seriesid`),
KEY `programid` (`programid`)
) TYPE=InnoDB;
mysqldump -d mythconverg oldrecorded
-- MySQL dump 9.11
--
-- Host: localhost Database: mythconverg
-- ------------------------------------------------------
-- Server version 4.0.23_Debian-4-log
--
-- Table structure for table `oldrecorded`
--
CREATE TABLE `oldrecorded` (
`chanid` int(10) unsigned NOT NULL default '0',
`starttime` datetime NOT NULL default '0000-00-00 00:00:00',
`endtime` datetime NOT NULL default '0000-00-00 00:00:00',
`title` varchar(128) NOT NULL default '',
`subtitle` varchar(128) NOT NULL default '',
`description` text NOT NULL,
`category` varchar(64) NOT NULL default '',
`seriesid` varchar(12) NOT NULL default '',
`programid` varchar(20) NOT NULL default '',
`findid` int(11) NOT NULL default '0',
PRIMARY KEY (`chanid`,`starttime`),
KEY `endtime` (`endtime`),
KEY `title` (`title`),
KEY `seriesid` (`seriesid`),
KEY `programid` (`programid`)
) TYPE=InnoDB;
mysqldump -d mythconverg program
-- MySQL dump 9.11
--
-- Host: localhost Database: mythconverg
-- ------------------------------------------------------
-- Server version 4.0.23_Debian-4-log
--
-- Table structure for table `program`
--
CREATE TABLE `program` (
`chanid` int(10) unsigned NOT NULL default '0',
`starttime` datetime NOT NULL default '0000-00-00 00:00:00',
`endtime` datetime NOT NULL default '0000-00-00 00:00:00',
`title` varchar(128) NOT NULL default '',
`subtitle` varchar(128) NOT NULL default '',
`description` text NOT NULL,
`category` varchar(64) NOT NULL default '',
`airdate` year(4) NOT NULL default '0000',
`stars` float NOT NULL default '0',
`previouslyshown` tinyint(4) NOT NULL default '0',
`category_type` varchar(64) NOT NULL default '',
`title_pronounce` varchar(128) NOT NULL default '',
`stereo` tinyint(1) NOT NULL default '0',
`subtitled` tinyint(1) NOT NULL default '0',
`hdtv` tinyint(1) NOT NULL default '0',
`closecaptioned` tinyint(1) NOT NULL default '0',
`partnumber` int(11) NOT NULL default '0',
`parttotal` int(11) NOT NULL default '0',
`seriesid` varchar(12) NOT NULL default '',
`originalairdate` date default NULL,
`showtype` varchar(30) NOT NULL default '',
`colorcode` varchar(20) NOT NULL default '',
`syndicatedepisodenumber` varchar(20) NOT NULL default '',
`programid` varchar(20) NOT NULL default '',
PRIMARY KEY (`chanid`,`starttime`),
KEY `endtime` (`endtime`),
KEY `title_pronounce` (`title_pronounce`),
KEY `seriesid` (`seriesid`),
KEY `programid` (`programid`),
KEY `id_start_end` (`chanid`,`starttime`,`endtime`),
KEY `title` (`title`)
) TYPE=InnoDB;
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