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From Michael Imbeault <>
Subject Re: Got it working! And some questions
Date Mon, 11 Sep 2006 02:47:55 GMT
First of all, it seems the mailing list is having some troubles? Some of 
my posts end up in the wrong thread (even new threads I post), I don't 
receive them in my mail, and they're present only in the 'date archive' 
of, and not in the 'thread' one? I don't 
receive some of the other peoples post in my mail too, problems started 
last week I think.

Secondly, Chris, thanks for all the useful answers, everything is much 
clearer now. This info should be added to the wiki I think; should I do 
it? I'm still a little disappointed that I can't change the OR/AND 
parsing by just changing some parameter (like I can do for the number of 
results returned, for example); adding a OR between each word in the 
text i want to compare sounds suboptimal, but i'll probably do it that 
way; its a very minor nitpick, solr is awesome, as I said before.

@ Brian Lucas: Don't worry, solrPHP was still 99.9% functional, great 
work; part of it sending a doc at a time was my fault; I was following 
the exact sequence (add to array, submit) displayed in the docs. The 
only thing that could be added is a big "//TODO: change this code" 
before sections you have to change to make it work for a particular 
schema. I'm pretty sure the custom header curl submit works for everyone 
else than me; I'm on a windows test box with WAMP on it, so it may be 
caused by that. I'll send you tomorrow the changes I done to the code 
anyway; as I said, nothing major.

Chris Hostetter wrote:
> : - What is the loadFactor variable of HashDocSet? Should I optimize it too?
> this is the same as the loadFactor in a HashMap constructor -- but i don't
> think it has much affect on performance since the HashDocSets never
> "grow".
> I personally have never tuned the loadFactor :)
> : - What's the units on the size value of the caches? Megs, number of
> : queries, kilobytes? Not described anywhere.
> "entries" ... the number of items allowed in the cache.
> : - Any way to programatically change the OR/AND preference of the query
> : parser? I set it to AND by default for user queries, but i'd like to set
> : it to OR for some server-side queries I must do (find related articles,
> : order by score).
> you mean using StandardRequestHandler? ... not that i can think of off the
> top of my head, but typicaly it makes sense to just configure what you
> want for your "users" in the schema, and then make any machine generated
> queries be explicit.
> : - Whats the difference between the 2 commits type? Blocking and
> : non-blocking. Didn't see any differences at all, tried both.
> do you mean the waitFlush and waitSearcher options?
> if either of those is true, you shouldn't get a response back from the
> server untill they have finished.  if they are false, then the server
> should respond instantly even if it takes several seconds (or maybe even
> minutes) to complete the operation (optimizes can take a while in some
> cases -- as can opening newSearchers if you have a lot of cache warming
> configured)
> : - Every time I do an <optimize> command, I get the following in my
> : catalina logs - should I do anything about it?
> the optimize command needs to be well formed XML, try "<optimize/>"
> instead of just "<optimize>"
> : - Any benefits of setting the allowed memory for Tomcat higher? Right
> : now im allocating 384 megs.
> the more memory you've got, the more cachng you can support .. but if
> your index changes so frequently compared to the rate of *unique*
> queries you get that your caches never fill up, it may not matter.
> -Hoss
Michael Imbeault
CHUL Research Center (CHUQ)
2705 boul. Laurier
Ste-Foy, QC, Canada, G1V 4G2
Tel: (418) 654-2705, Fax: (418) 654-2212

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