Search Speed
What are the most important factors in nutch/lucene's
search speed?
I've been testing nutch's search speed on a search
pool with about 100M records (separated evenly into 30
segments), and discovered that certain search terms
have a signicantly higher search time then others.
Some searches take 30 ms while others takes upwards of
3000ms.
At first, there seemed to be a direct relationship
between the total number of results from a given query
and the timeit took to complete. But after further
testing, that relationship did not hold true for all
cases. There seems to be other factors that directly
affect the speed of a search.
Has anyone else encountered this issue? Or have some
insight to the impact of certain factors on search
speed?
Thanks.
- T
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