bug search and source package names

[James Westby]

Hi Rob,

One thing that isn't clear from your mail is if all substring matching
on package names is out.

For instance would searching for "gcc" get you results from "gcc-4.4"
and "gcc-4.5"?

Thanks,

James

On Wed, 2 Feb 2011 19:09:24 +1300, Robert Collins <robertc at robertcollins.net> wrote:
> Hi, as you may have noticed, bug search in Launchpad is not as fast as
> you might wish :). One of the contributing factors to the search
> performance is that we do a substring match for package names.
> 
> We're looking at schema changes and additional short-term solutions
> (long term we're moving to a dedicated search engine such as Lucene),
> but I'm wondering - how important is this substring matching?
> 
> What do I mean by this? If you type 'ibche' into the bug search for
> Ubuntu it will time out. But if it didn't timeout it would find all
> bugs on libchewing (because ibche is a substring on libchewing).
> 
> If Ubuntu as a whole is open to this being removed temporarily(*) then
> we can drop some representative queries down from 7 seconds to 380ms
> with relatively little effort. We may be able to achieve this sort of
> result with more significant effort - but if its not actually a
> valuable feature, its much more efficient to disable it for a while.
> 
> -Rob
> 
> (*): a year or maybe two. We hope to get to an overhaul of our search
> engine late 2011, and I'm positive we could reestablish this then if
> desirable.
> 
> -- 
> ubuntu-devel mailing list
> ubuntu-devel at lists.ubuntu.com
> Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
>