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From "Jack Krupansky" <>
Subject Re: maximum number of documents per shard?
Date Tue, 23 Jul 2013 23:14:59 GMT
2.1 billion documents (including deleted documents) per Lucene index, but 
essentially per Solr shard as well.

But don’t even think about going that high. In fact, don't plan on going 
above 100 million unless you do a proof of concept that validates that you 
get acceptable query and update performance . There is no hard limit besides 
that 2.1 billion Lucene limit, but... performance will vary.

-- Jack Krupansky

-----Original Message----- 
From: Ali, Saqib
Sent: Tuesday, July 23, 2013 6:18 PM
Subject: maximum number of documents per shard?

still 2.1 billion documents? 

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