Tomi NA wrote:
On 8/12/06, Mark Miller <[EMAIL PROTECTED]> wrote:
I've made a nice little archive application with lucene. I made it to
handle our largest need: 2.5 million docs or so on a single server. Now
the powers that be say: lets use it for a 30+ million document archive
on a single server! (each doc size maybe 10k max...as small as a 1 or
2k) Please tell me why we are in trouble...please tell me why we are
not. I have tested up to 2 million docs without much trouble but 30
million...the average search will include a sort on a field as
well...can I search 30+ million docs with a sort? Man am I worried about
that. Maybe the server will have 8 procs and 12 billion gigs of RAM.
Mabye. Even still, Tomcat seems to be able to launch with a max of 1.5
or 1.6 gig of Ram in Windows. What do you think? 30 million+ sounds like
too much of a load to me for a single server. Not that they care what I
think...I only wrote the thing (man I hate my job, offer me a new one :)
)...please...comments?
Cheers,
Miserable Mark
I don't really understand what you're so worried about. Either it'll
work well with the setup you have, or it won't. It's really the size
of it. ;)
Seriously, you have a number of relatively cheap possibilities at hand
to improve search performance: storing the index on a RAID 5 disk
array will let you read the indices very fast, using multicore CPUs,
adding memory and even if all that isn't good enough, you can always
use a small cluster (say, 4 nodes) of very, very inexpensive PCs
filled with a GB of RAM. You don't have to keep them inside the
regular UPS/backup/voult-protected area as the indices can always be
rebuilt (unlike e.g. data in transactional systems) and between 4 of
them they might cost like an entry-level server.
I'll let the experts speak now. :)
t.n.a.
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
Thanks for the tip...I am not too worried...I am miserable because I
live in Dilbert land, not this particular incident. Spreading to
multiple servers is a possibility but one I want to avoid...I wrote this
app on the side since our current product is crap...it still needs a lot
of work and thinking about distributing lucene at this point is a little
much...I never even have time to work on this project as it is becuase I
am currently tasked with porting the crap old project to Windows. I need
to do a bunch to shore up what I have. No one cares though...they think
that I have done nothing (or can't understand what I have done) while at
the same time they want to use what I havn't done to do what I made it
for as well as this new super archive of 30 million + docs...in the end
I'll be looking for a new job...still curious about lucene scaling to 30
million docs with a sort on every search though (yes I know the sort is
cached...worries me too though...the sort will be on multiple and
different fields depending no what the searcher wants...uggg...the size
of the caches....)
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
