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From "Wei Deng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-11639) guide_8099.md is a bit outdated
Date Sun, 24 Apr 2016 20:42:12 GMT
Wei Deng created CASSANDRA-11639:
------------------------------------

             Summary: guide_8099.md is a bit outdated
                 Key: CASSANDRA-11639
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11639
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Wei Deng


The guide_8099.md document that comes with the 8099 commit (dated Sep 1, 2014) is a bit outdated.

For example, in many places of the Sep 1, 2014 [commit|https://github.com/apache/cassandra/tree/a991b64811f4d6adb6c7b31c0df52288eb06cf19]
we no longer use {{Atom}} to represent the unit when dealing with Row or RangeTombstoneMarker
and we use {{Unfiltered}} instead. However, you can still find many references of {{Atom}}
in this document. Also, AtomIterator is no longer a thing and it's still referenced later
in the document.

Another example of the outdated information is: we have removed all of the "flyweight" pattern
due to CASSANDRA-9705 in C* 3.0 GA, but this document still talks about flyweight under a
separate section.

As this guide_8099.md is considered as a key document to an important area of under-the-hood
Cassandra implementation, to help new developers to navigate this storage engine area better
and to avoid unnecessary confusions, we should strive to keep it as updated as possible.



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