Fwd: NUCULAR fielded text searchable indexing

[aaron.watters at gmail.com]

On Oct 12, 2:01 am, Paul Rubin <http://phr...@NOSPAM.invalid> wrote:
> aaron.watt... at gmail.com writes:
> That's reasonable speed, but is that just to do the set intersections
> and return the size of the result set, or does it retrieve the actual
> result set?  It only showed 20 results on a page.  I notice that each
> book in the result list has an ID number.  Say those are stored fields
> in Nucular: how long does it take to add up all the ID numbers for the
> results of that query?  I.e. the requirement is to actually access
> every single record in order to compute the sum.  This is similar to
> what happens with faceting.

Adding up the id numbers would be fast (since you have them
after you've evaluated the query), but finding the median title
would be slower, which is what I think you had in mind.  Yes, pulling
in the the complete description for every document in the result set
would
probably be much slower with a disk based index
(because you would have to seek all over the
index files).  Of course if you are using the flash drive you
mentioned it
might not be that slow either... and it looks like this is the
direction
things are going...

> ....Heh, check out the benchmark graphs:
>
>  http://www.tomshardware.com/2006/09/20/conventional_hard_drive_obsole...

My point exactly :)...  Thanks again
  -- Aaron Watters

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