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From John Moylan <>
Subject Re: What is the best file system for Lucene?
Date Tue, 30 Nov 2004 11:00:39 GMT
Hash: SHA1

Interesting, what are your merge settings, which JDK are you
using?(there are big differences between versions). Have you tried with
hyperthreading turned off on #2? - if so did it fare any differently?


Sanyi wrote:
| Hi!
| I'm testing Lucene 1.4.2 on two very different configs, but with the
same index.
| I'm very surprised by the results: Both systems are searching at about
the same speed, but I'd
| expect (and I really need) to run Lucene a lot faster on my stronger
| Config #1 (a notebook):
| WinXP Pro, NTFS, 1.8GHz Pentium-M, 768Megs memory, 7200RPM winchester
| Config #2 (a desktop PC):
| SuSE 9.1 Pro, resiefs, 3.0GHZ P4 HT (virtually two 3.0GHz P4s), 3GByte
RAM, 15000RPM U320 SCSI
| winchester
| You can see that the hardware of #2 is at least twice better/faster
than #1.
| I'm searching the reason and the solution to take advantage of the
better hardware compared to the
| poor notebook.
| Currently #2 can't amazingly outperform the notebook (#1).
| The question is: What can be worse in #2 than on the poor notebook?
| I can imagine only software problems.
| Which are the sotware parts then?
| 1. The OS
| Is SuSE 9.1 a LOT slower than WinXP pro?
| 2. The file system
| Is reisefs a LOT slower than NTFS?
| Regards,
| Sanyi
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