Re: Accent Insensitive Search

2008-07-17 Thread Wojtek H
Note that ISOLatin1AccentFilter converts accent characters only from ISO-8859-1 character set. Which means that if you need to convert accents of eastern European languages you need to write your own accent filter. wojtek 2008/7/16 Petite Abeille <[EMAIL PROTECTED]>: > > On Jul 16, 2008, at 10:58

Re: Doesn it make sense cache IndexReader?

2008-07-17 Thread Karsten Fissmer
hi Mohsen, IndexReader is thread-save so you don't need a cache. Opening and closing an IndexReader takes some time. But I don't now if this is measurable. So if you know that you don't want to change a index, let the IndexReader open. (somebody disagree with me?) If you want to use your main m

Re-Search Hits

2008-07-17 Thread Sascha Fahl
Hi, for performance reasons I cache Hits for a certain Query in memcached, for things like pageination etc. My question right now is if it is possible to re-search such a cached Hits sets. That would be great for features like live-learch and so on. Does Lucene support that? Sascha -

Re: Scaling

2008-07-17 Thread Jason Rutherglen
The scaling per machine should be linear. The overhead from the network is minimal because the Lucene object sizes are not impacting. Google mentions in one of their early white papers on scaling http://labs.google.com/papers/googlecluster-ieee.pdf that they have sub indexes which are now popular

Re: Doesn it make sense cache IndexReader?

2008-07-17 Thread Mohsen Saboorian
Kastern, thanks for the reply. > IndexReader is thread-save so you don't need a cache. If it wasn't thread-safe I may need a cache? I think the cache cannot be used on a non-thread-safe environment since it exposes same instances to different threads. > Opening and closing an IndexReader takes

custom scoring

2008-07-17 Thread Sébastien Rainville
Hi, I would like to customize the lucene scoring to remove the effect of the "coord()" parameter in Similarity for the number of fields in which the whole query is found. First, here's what I'm trying to achieve: For example, if I have the query "New York" and that the documents have 2 fields: n