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From: Apache Wiki <wikidiffs@apache.org>
To: commits@jackrabbit.apache.org
Date: Tue, 18 Mar 2008 09:18:08 -0000
Message-ID: <20080318091808.8245.49518@eos.apache.org>
Subject: [Jackrabbit Wiki] Update of "DataStore" by ThomasMueller
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Dear Wiki user,

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The following page has been changed by ThomasMueller:
http://wiki.apache.org/jackrabbit/DataStore

The comment on the change is:
added Overview and Requirements 

------------------------------------------------------------------------------
+ == Overview ==
+ 
+ The main features of the data store are: 
+ 
+  * Space saving: only one copy per unique object it kept
+  * Fast copy: only the identifier is copied
+  * Storing and reading does not block others
+  * Objects in the data store are immutable
+  * Garbage collection is used to purge unused objects
+ 
+ == Requirements ==
+ 
+ Jackrabbit 1.4 is required, it is not available in the previous releases.
+ 
+ A Bundle persistence manager is required, or any other persistence manager that supports data stores. Currently the Simple``Db``Persistence``Manager does not support the data store, meaning large objects are still saved multiple times if it is used.
+ 
  == How to configure the file data store ==
- 
- The data store was introduced in Jackrabbit 1.4, it's not available in the previous releases.
  
  To use the file based data store, add this to your repository.xml after the <Repository> start tag: