Thought I would report a performance increase noticed in migrating from
2.3.2 to 2.4.0.
Performing an iterated loop using termDocs & termEnums like below is
about 30% faster.
The example test set I'm running has about 70K documents to go through
and process (on a dual processor windows machine) which takes about
0.8-0.9 sec in 2.4.0 (vs 1.3-1.4 secs in 2.3.2)
TermDocs termDocs = multiReader.termDocs();
TermEnum termEnum = multiReader.terms (new Term (field, ""));
do {
term = termEnum.term();
termDocs.seek(term);
.....
while (termDocs.next()) {
....
}
} while (termEnum.next());
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