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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2016/06/15 05:24:09 UTC

[jira] [Created] (OAK-4471) More compact storage format for Documents

Chetan Mehrotra created OAK-4471:
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             Summary: More compact storage format for Documents
                 Key: OAK-4471
                 URL: https://issues.apache.org/jira/browse/OAK-4471
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: documentmk
            Reporter: Chetan Mehrotra
            Assignee: Chetan Mehrotra
             Fix For: 1.6


Aim of this task is to evaluate storage cost of current approach for various Documents in DocumentNodeStore. And then evaluate possible alternative to see if we can get a significant reduction in storage size.

Possible areas of improvement
# NodeDocument
## Use binary encoding for property values - Currently property values are stored in JSON encoding i.e. arrays and single values are encoded in json along with there type
## Use binary encoding for Revision values - In a given document Revision instances are a major part of storage size. A binary encoding might provide more compact storage
# Journal - The journal entries can be stored in compressed form



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