Mark Miller wrote:
Michael McCandless wrote:
which is why I'm baffled that Raf didn't see a speedup on
upgrading.
Mike
Another point is that he may not have such a nasty set of segments -
Raf says he has 24 indexes, which sounds like he may not have the
logarithmic sizing you normally see. If you have somewhat normal term
distribution for all 24 segments, the problem is not exasperated
nearly as much (along with not being so bad as its not using all of
the terms for the field).
Better clarify this: it will still be a problem - you still have all the
extra seeks - but they are not as many wasted seeks that we can avoid
like the problem with the tailed logarithmic segments.
24 segments is bound to be quite a bit slower than an optimized index
for most things - also 24 segments of similar size may also be worse
than the normal 24 segments with log dropping size.
--
- Mark
http://www.lucidimagination.com
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