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The "FileFormatDesignDoc" page has been changed by StuHood. The comment on this change is: Remove references to group varint encoding: not worth it here.. http://wiki.apache.org/cassandra/FileFormatDesignDoc?action=diff&rev1=30&rev2=31 -------------------------------------------------- || 4.9 || 1 || || china || 0 || - The parent change flag can be represented compactly using a bitmap, and field lengths can be packed tightly into group-varint encoded arrays [3], as alluded to in the Dremel paper, and mentioned in Jeff Dean's talks. + The parent change flag and type information can be represented compactly using a bitmap. === Field reordering === @@ -263, +263 @@ */ bytes range_metadata; - /* TODO: Dumb timestamp encoding: should offset and group varint encode. */ + /* TODO: Should offset or rl encode. */ /** * A variable number of timestamps depending on value type: only set in the last chunk of a span. */ @@ -295, +295 @@ * [1] http://sergey.melnix.com/pub/melnik_VLDB10.pdf * [2] http://www.cse.ohio-state.edu/hpcs/WWW/HTML/publications/papers/TR-11-4.pdf - * [3] https://issues.apache.org/jira/browse/AVRO-679
