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From ppod...@apache.org
Subject svn commit: r606765 - in /labs/fluid/slice/src/site/apt: faq.apt index.apt
Date Tue, 25 Dec 2007 06:45:20 GMT
Author: ppoddar
Date: Mon Dec 24 22:45:17 2007
New Revision: 606765

URL: http://svn.apache.org/viewvc?rev=606765&view=rev
Log:
apt changes

Modified:
    labs/fluid/slice/src/site/apt/faq.apt
    labs/fluid/slice/src/site/apt/index.apt

Modified: labs/fluid/slice/src/site/apt/faq.apt
URL: http://svn.apache.org/viewvc/labs/fluid/slice/src/site/apt/faq.apt?rev=606765&r1=606764&r2=606765&view=diff
==============================================================================
--- labs/fluid/slice/src/site/apt/faq.apt (original)
+++ labs/fluid/slice/src/site/apt/faq.apt Mon Dec 24 22:45:17 2007
@@ -1,7 +1,5 @@
 Frequently Asked Question
 
- How do I start?
- 
  Can related instances be distributed across multiple databases?
  
  Can I use database sequence?

Modified: labs/fluid/slice/src/site/apt/index.apt
URL: http://svn.apache.org/viewvc/labs/fluid/slice/src/site/apt/index.apt?rev=606765&r1=606764&r2=606765&view=diff
==============================================================================
--- labs/fluid/slice/src/site/apt/index.apt (original)
+++ labs/fluid/slice/src/site/apt/index.apt Mon Dec 24 22:45:17 2007
@@ -11,30 +11,31 @@
  powerful feature of {{{http://openjpa.apache.org}OpenJPA}} 
  in a distributed environment without any complexity or code change. 
  {{{http://en.wikipedia.org/wiki/Partition_(database)}Horizontal partitioning}}
- refers to partitioning of the rows of a table across many databases. 
- We refer these underlying databases as <Slice> in this context.
+ refers to partitioning of the rows of a table across many databases, hence the
+ name - <<Slice>>.
  
  The salient features of Slice are: 
    
-   [[1.]] configured as a plug-in to OpenJPA runtime
-   
-   [[2.]] no change to the application or to the persistent domain model 
+   [[1.]] <<Transparent>> : no change to the application or to the persistent

+   domain model to upgrade from a single database to distributed database environment.
 
-   [[3.]] application decides the distribution of newly persistent instances
+   [[2.]] <<Custom Distribution>>: application decides how the newly persistent
instances be distributed  
    across multiple databases
    
-   [[4.]] each slice can be configured independently, thereby opening up the
-   possibility where data is distributed across heterogeneous databases. 
+   [[3.]] <<Heterogeneous Database>>: each slice can be configured independently,
hence data can be 
+   distributed across heterogeneous databases. 
+   
+   [[4.]] <<Plug-and-Play>>: configured as a plug-in to OpenJPA runtime
+   
    
  The <current> limitations are
  
-   [[1.]] no relationships across databases; hence the closure of 
+   [[1.]] <<Collocation Constraint>>: no relationships across databases; hence
the closure of 
    an object graph must be collocated in the same database
    
-   [[2.]] no two-phase commit protocol across multiple databases when local
-   transaction is local. If OpenJPA is configured for a JTA transaction, then 
-   the underlying slices participate in global transaction.
+   [[2.]] <<Local Transaction>>: no two-phase commit protocol across multiple
databases when local
+   transaction is local. Under JTA transaction, the underlying slices participate in global
transaction.
 
-   [[3.]] no sorting of query result across multiple databases. 
+   [[3.]] <<No Sorting>>: no sorting of query result across multiple databases.

    
    



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