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Emmanuel Espina commented on LUCENE-5084: ----------------------------------------- Have you considered creating a PostingFormat with this? I was thinking in something like DirectPostingsFormat but instead of using an array of ints for storing the docIds using an Elias-Fano compressed bit stream. Facebook is using an in-memory index for its graph search and they are compressing the posting lists with Elias Fano (https://www.facebook.com/download/138915572976390/UnicornVLDB-final.pdf) > EliasFanoDocIdSet > ----------------- > > Key: LUCENE-5084 > URL: https://issues.apache.org/jira/browse/LUCENE-5084 > Project: Lucene - Core > Issue Type: Improvement > Reporter: Paul Elschot > Assignee: Adrien Grand > Priority: Minor > Attachments: LUCENE-5084.patch > > > DocIdSet in Elias-Fano encoding -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org