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Shai Erera commented on LUCENE-2492: ------------------------------------ We can encode whether the posting is embedded or not by storing a byte or a negative pointer for example. There are ways to do it with minimal to no more space. > Make PulsingCodec (wrapping StandardCodec) the default codec > ------------------------------------------------------------ > > Key: LUCENE-2492 > URL: https://issues.apache.org/jira/browse/LUCENE-2492 > Project: Lucene - Java > Issue Type: Improvement > Components: Index > Affects Versions: 4.0 > Reporter: Michael McCandless > Assignee: Michael McCandless > Fix For: 4.0 > > > PulsingCodec can provides good gains, by inlining the postings into the terms > dict for rare terms. This is especially helpful for primary key like fields, > since every term is rare and batch lookups are common (see > http://chbits.blogspot.com/2010/06/lucenes-pulsingcodec-on-primary-key.html > for a simple perf test), but it should also be a gain for ordinary fields, > thanks to Zipf's law. > I think we should make it the default.... -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org