Otis Gospodnetic created LUCENE-7806:
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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]
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