Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change
 
PerlMonks  

Re^2: DBI speed up needed on MySQL

by jacques (Priest)
on May 09, 2005 at 20:35 UTC ( #455314=note: print w/replies, xml ) Need Help??


in reply to Re: DBI speed up needed on MySQL
in thread DBI speed up needed on MySQL

That's what I ended up doing. Just sending stuff a little at a time with the limit clause, but this is not ideal. Hopefully, under normal circumstances, my script would not handle tens of thousands of rows at once. For important testing purposes, we decided to send over all the rows (and that's when we see the huge slowdown). So far, the bottleneck appears to be what thor suggested: mysql fetches all of the data before returning the first row. The more I increase the limit, the longer it takes to process the first row. ...

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://455314]
help
Chatterbox?
and all is quiet...

How do I use this? | Other CB clients
Other Users?
Others cooling their heels in the Monastery: (7)
As of 2017-11-24 16:51 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    In order to be able to say "I know Perl", you must have:













    Results (351 votes). Check out past polls.

    Notices?