There is a bit more info in this post, look for "alternative codecs":
http://searchhub.org/dev/2012/10/12/apache-solr-and-lucene-4-0-0-released/ wunder On Oct 13, 2012, at 10:46 PM, Shawn Heisey wrote: > The wiki page for schema.xml shows the syntax for postingsFormat in a schema > fieldType definition, but it doesn't tell you what to use for the value. > Also, the example configs in the solr download do not include this parameter. > > http://wiki.apache.org/solr/SchemaXml#Data_Types > > For some fields, I am interested in using the BlockPostingsFormat that will > become the default in 4.1. For others, specifically fields that consist > entirely of unique values, I would like to try one of the other formats, like > the Bloom filter. > > https://issues.apache.org/jira/browse/LUCENE-4069 > > Can someone with the appropriate knowledge update the wiki with some values > that would cover the majority of normal use cases, and what kinds of problems > each one is designed to solve? > > Thanks, > Shawn >