We have a system where I'll be given 10 or 20 unique keys.
I assume you mean you have one unique-key field, and you are given
10-20 values to find for this one field?
Internally I'm creating a new Term and then calling
IndexReader.termDocs() on this term. Then if termdocs.next()
matches then I'll return this document.
Are you calling reader.termDocs() inside a (tight) loop? It might be
better to create one TermEnum, and use "seek". Something like this:
reader = ...;
td = reader.termDocs();
String[] keys = ....; // your unique keys;
sort(keys); // this probably helps seek() below
for (key in keys) {
Term t = new Term("unique", key);
td.seek(t);
if (td.next()) {
// found a match
}
}
I'm pretty sure that will work. And if you can avoid the multi-
threading issues, you might try and use the same TermDocs object for
as long as possible (that is, move it up out of as many tight loops
as you can).
=Matt
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