Re: Exporting large data from mysql to html using php

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On Mon, 2011-10-31 at 19:29 -0400, Jason Pruim wrote:

> Jason Pruim
> lists@xxxxxxxxxxxxxxxxxxxx
> 
> 
> 
> On Oct 31, 2011, at 7:11 PM, Jim Lucas wrote:
> 
> > On 10/24/2011 5:50 PM, Jason Pruim wrote:
> >> Now that I've managed to list 3 separate programming languages and somewhat tie it back into php here's the question...
> >> 
> >> I have about 89 million records in mysql... the initial load of the page takes 2 to 3 minutes, I am using pagination, so I have LIMIT's on the SQL query's... But they just aren't going fast enough...
> >> 
> >> What I would like to do, is pull the data out of MySQL and store it in the HTML files, and then update the HTML files once a day/week/month... I can figure most of it out... BUT... How do I automatically link to the individual pages?
> >> 
> >> I have the site working when you pull it from MySQL... Just the load time sucks... Any suggestions on where I can pull some more info from? :)
> >> 
> >> Thanks in advance!
> >> 
> >> 
> >> Jason Pruim
> >> lists@xxxxxxxxxxxxxxxxxxxx
> >> 
> > 
> > Jason,
> > 
> > How large a data set are you starting with?  How many records in all.
> > 
> > Will you show us your DB schema?
> 
> Hey Jim,
> 
> I am working with 89 Million records right now... Going to be expanding to a much larger dataset as the site expands.
> 
> Here is the main table that I am using:
> 
> mysql> describe main;
> +------------+-------------+------+-----+---------+----------------+
> | Field      | Type        | Null | Key | Default | Extra          |
> +------------+-------------+------+-----+---------+----------------+
> | areacode   | int(3)      | NO   | MUL | NULL    |                |
> | exchange   | int(3)      | NO   |     | NULL    |                |
> | subscriber | char(4)     | NO   |     | NULL    |                |
> | id         | int(11)     | NO   | PRI | NULL    | auto_increment |
> | state      | varchar(20) | YES  |     | NULL    |                |
> | config     | text        | YES  |     | NULL    |                |
> +------------+-------------+------+-----+---------+----------------+
> 
> 
> 
> config is just going to contain varius settings for commenting on records, and future expansion. State will actually be the state spelled out. 
> 
> Thanks for taking a looking!
> 
> 


I'd put the spelling of the state in another table and just include the
reference to it in this table, it will save a lot on storage and it's
easy to do a join to get it. That way, it's also much faster to look up
entries by state, as a numerical index is quicker that a string index.

On the subject of indexes, what other ones do you have apart from the
primary key there?

-- 
Thanks,
Ash
http://www.ashleysheridan.co.uk



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