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From Furkan Kuru <>
Subject Faceted Search Slows Down as index gets larger
Date Fri, 04 Jun 2010 14:31:18 GMT

I have been dealing with real-time data.

As the number of total indexed documents gets larger (now 5 M)

a faceted search on a text field limited by the creation time, which we use
to find the most used word in all these text fields, gets slow down.

query string: created_time:[NOW-1HOUR TO NOW] facet.field=text

the document count matching the query is around 9000.

It takes around 80 seconds in a decent computer with 4GB ram, quad core cpu

I do not know the internal details of term indexing and their counts for

Any suggestion for speeding up this query is appreciated.

Thanks in advance.

Furkan Kuru

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