# Shard

**URL:** <https://discuss.elastic.co/t/shard/5744>\
**Category:** Elasticsearch\
**Created:** [November 2, 2011, 8:23am UTC](https://discuss.elastic.co/t/shard/5744 "2011-11-02T08:23:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![BARNEY](https://avatars.discourse-cdn.com/v4/letter/b/48db29/32.png) [@BARNEY](https://discuss.elastic.co/u/BARNEY)\
**Post date:** [November 2, 2011, 8:23am UTC](https://discuss.elastic.co/t/shard/5744/1 "2011-11-02T08:23:06Z")

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Hi,  
I am kind of new to this project.I have some doubts regarding Shard,replica  
and index.

As per as i know  
1.When we create 10k index with 2 shards and 1 replica on node 1 ,then if I  
up node 2,node 2 must have 2 shards of 10k memory and node 1 as well..  
2.On node 1, 2 shards will be created each shard having 5k memory.  
Can u please clarify me whether above two scenarios are correct?

What is the concept behind creating more than one shard on single node or  
on multiple nodes?

Its better if u tell about any documents on basics of elastic search terms.

Thanks,  
Kalyan.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 3:50am UTC](https://discuss.elastic.co/t/shard/5744/2 "2017-07-06T03:50:08Z")

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