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From John <>
Subject Field name size and index size
Date Sat, 22 Mar 2008 13:11:13 GMT

Lets say my data source consists of records like so (the example is Field=Value):


And lets say I a second copy of my data but this time it looks like so:

? A=Value1
? B=Value2
? C=Value3
? D=Value4

I..e, same data, the only change is the field names?are now shorter

Now if?i create two Lucene indexes ... one using the long field name and one using the short
field name (my data has not changed) .. will the Lucene index size be smaller for the short
field name one?? Will updating and optimizing the index be faster?? Will searching be faster?

That is, i'm I better off using short field names vs. long field names?

Yes, i will do some performance analyses .. but i want to know if this matters before I do

Thanks in advance!


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