October 2018
Beginner to intermediate
348 pages
10h
English
In versions of Apache Cassandra from 3.0 on, the underlying data is structured slightly differently. The Cassandra storage engine was rewritten as a part of this release, providing several benefits.
Consider the CQL query used as the basis for the prior example, where we queried our the hi_scores table for the player named Connor. If we were to look at the underlying data using the sstabledump tool, it would look something like this:
tools/bin/sstabledump data/data/packt/hi_scores-73a9df80637b11e8836561ec0efea4b2/mc-1-big-Data.db[ { "partition" : { "key" : [ "Connor" ], "position" : 0 }, "rows" : [ { "type" : "row", "position" : 44, "clustering" : [ "Frogger" ], "liveness_info" : { "tstamp" : "2018-05-29T12:28:07.988225Z" ...