RE: SweetSpotSimilarity

2012-02-17 Thread Paul Allan Hill
> -Original Message- > From: Chris Hostetter [mailto:hossman_luc...@fucit.org] > As for what hyperbolicTf is trying to do ... it creates a hyperbolic function > letting you specify a hard max > no matter how many terms there are. A picture -- or more precisely a graph -- would be worth a

Re: Higher Latency at the start of application

2012-02-17 Thread Stephen Howe
If you have enough RAM, have you looked into using a MMap directory instead of the FSDirectory? That will push your index up into RAM instead of having to keep hitting the disk to look stuff up. Also, have you thought about running some precanned queries, prior to exposing the app to the user, to

Re: Why read past EOF

2012-02-17 Thread Michael McCandless
Hmm, though, one question: if you are using a single IndexWriter, always on the same machine, then it should not matter that the computer's clock is way off. Because, the DeletionPolicy is comparing timestamps pulled only from a single clock. Ie the shift won't matter; only relative comparisons m

Re: Why read past EOF

2012-02-17 Thread Michael McCandless
OK, thanks for bringing closure! Mike McCandless http://blog.mikemccandless.com On Thu, Feb 16, 2012 at 10:08 PM, superruiye wrote: > Oh,I made a mistake.Our testing server's time is faster hours than it should > be.I reminded workmate to modify it,and index maintain in a range size. > Thank y