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Re: mysql and swishe

From: Peter Karman <karman(at)>
Date: Fri Dec 12 2003 - 16:18:24 GMT
Thanks, Brad. Exactly the kind of story I wanted to hear.

And I agree; Bill's commitment to quick replies is one reason I am so 
sold on swish-e.


Brad Miele waxed lyrical on 12/11/03 9:00 PM:

> Peter,
> We used to apply our searches directly against MySQL. We switched for a
> few reasons, among them, we weren't stellar MySQL developers, and our
> database machine was relatively underpowered. My company has an online
> photo archive, and the database does a lot. In adition to holding the
> image data that is searched, it does user management, stores lightboxes,
> session and state management, etc. During particularily long searches, the
> rest of the functions would be effected noticeably. This didn't start
> happen until 100,000 records or so. At the time, I don't think that the
> fulltext indexing option was available. We were using a Perl module that
> emulated altavista style boolean searches against the database.
> In switching to Swish-e we noticed:
> 1. at least a 10x increase in the speed of our searches. I have padded my
> index out to 2 million records, just for fun, and swish-e searches are
> still exceedingly quick.
> 2. the actual application of the query provides much more accurate and
> relative results. this is based partly on things like stemming and
> soundex, and partly on...
> 3. ...the ability to apply logic to the records between the export from
> the database and the parsing into xml. We analise the keywords and other
> factors, and apply scores based on things like advertising potential, news
> potential, etc. swish-e allows us to really tweak this stuff in our
> index script prior to streaming the xml without having to muck up the
> data.
> 4. we put all of the data that will be displayed by the search results
> into the index, so for the entire search process, there are no database
> hits at all. it is really very handy that we don't have to call to the
> database to get the context and display info for every record.
> Anyway, I am sure that a lot of this stuff can be done in MySQL directly,
> but we have had such a good experience with swish-e that we will stick
> with it. Plus, i doubt that Monty would reply to my urgent, if somewhat
> incoherent support requests as quickly as Bill does ;)
> Brad
> ------------------------------------------------------------
>  Brad Miele
>  Technology Director
>  (207) 828-8787 x110
>  Miss, n.:
> 	A title with which we brand unmarried women to indicate that
> they are in the market.
> 		-- Ambrose Bierce, "The Devil's Dictionary"
> On Thu, 11 Dec 2003, Peter Karman wrote:
>>I'm hoping for some feedback from swish-e users out there who are also
>>using mysql.
>>I know that some folks use swish-e to index mysql tables for searching.
>>Is there a reason you do that instead of just querying the database
>>directly? Is there a big performance difference?
>>I am just starting to research a significant mysql project and haven't
>>used it before. I've toyed off and on with using swish-e as the backend
>>instead of mysql, but that seems to be advantageous only for read-only
>>searching, not doing any kind interaction that would require saving
> data.
>>Horror/success stories welcome.
>>Peter Karman - Software Publications Engineer - Cray Inc
>>phone: 651-605-9009 -

Peter Karman - Software Publications Engineer - Cray Inc
phone: 651-605-9009 -
Received on Fri Dec 12 16:18:30 2003