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Added note on max # of docs allowed in a shard

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Pius 2015-02-28 19:55:45 -08:00 committed by Clinton Gormley
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docs/reference/getting-started.asciidoc
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@ -89,6 +89,8 @@ The number of shards and replicas can be defined per index at the time the index
By default, each index in Elasticsearch is allocated 5 primary shards and 1 replica which means that if you have at least two nodes in your cluster, your index will have 5 primary shards and another 5 replica shards (1 complete replica) for a total of 10 shards per index. By default, each index in Elasticsearch is allocated 5 primary shards and 1 replica which means that if you have at least two nodes in your cluster, your index will have 5 primary shards and another 5 replica shards (1 complete replica) for a total of 10 shards per index.
NOTE: An Elasticsearch shard is a Lucene index. There is a maximum number of documents you can have in a single Lucene index. As of https://issues.apache.org/jira/browse/LUCENE-5843[`LUCENE-5843`], the limit is `2,147,483,519` (= Integer.MAX_VALUE - 128) documents.
With that out of the way, let's get started with the fun part... With that out of the way, let's get started with the fun part...
== Installation == Installation