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From Apache Wiki <>
Subject [Solr Wiki] Update of "Optimistic_Concurrency" by TadhgMulkern
Date Sat, 03 Nov 2012 22:40:14 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "Optimistic_Concurrency" page has been changed by TadhgMulkern:

New page:
= Optimistic Concurrency =

A new feature in Solr 4.0 is Optimistic Locking, along with [[RealTimeGet]] and [[Atomic_Updates]]
it allows Solr to be used as a NoSQL Database. It allows a conditional update based on document
_version_. Using optimistic concurrency normally involves the following READ-MODIFY-WRITE

See for more detail

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