Otis Gospodnetic created LUCENE-7806: ----------------------------------------
Summary: Explore delta of delta encoding Key: LUCENE-7806 URL: https://issues.apache.org/jira/browse/LUCENE-7806 Project: Lucene - Core Issue Type: New Feature Reporter: Otis Gospodnetic >From >http://search-lucene.com/m/Lucene/l6pAi1YEfXhuGGIl1?subj=Re+Delta+of+delta+encoding {quote} delta of delta encoding is one of the Facebook Gorilla tricks that allows it to compress 16 bytes into 1.37 bytes on average -- see section 4.1 that describes it -- http://www.vldb.org/pvldb/vol8/p1816-teller.pdf This seems to be aimed at both time fields and numerical values. https://github.com/burmanm/gorilla-tsc is a recent Java impl {quote} CC [~jpountz] -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org