I think it is worth your time to do some benchmarking. I think
mergeFactor is not very helpful in the end...if you set it high, you'll
index faster but then your searches will be slower prompting you to
optimize...after which you'll find that you paid all your gains back.
Test things out for yourself, but I'd recommend a low merge factor and
then you can forget about the hassle of optimizing. Amortize, amortize...
- Mark
Aleksander M. Stensby wrote:
Hello everyone!
I'm wondering if any of you have any helpful advice to what
MergeFactor i should use...
The indexing process is handling a large amount of documents and i
would like to index as fast as possible.
Initial thought was to increase the mergeFactor to make the indexer
work more in memory and less writing to file. Thus this created a
problem for me with "TOO-MANY-OPEN-FILES"... of course, since i choose
2000 as my mergeFactor:) Well, i could do an optimize from time to
time, but the big question is whats more efficient? Optimize tends to
take a loooong time on our system since it is quite a large index.
Any helpful advice to what i should do? 10 as mergeFactor cant
possibly be the best solution here? Any advice would be highly
appreciated!
- Aleksander
--Aleksander M. Stensby
Software Developer
Integrasco A/S
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