# Performance of tribe node read operation

**URL:** <https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227>\
**Category:** Elasticsearch\
**Created:** [March 20, 2017, 10:07am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227 "2017-03-20T10:07:02Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![hoswey](https://avatars.discourse-cdn.com/v4/letter/h/f0a364/32.png) [@hoswey](https://discuss.elastic.co/u/hoswey)\
**Post date:** [March 20, 2017, 10:07am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/1 "2017-03-20T10:07:02Z")

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I have one cluster in Pairs, If I put a Tribe node in London, when I read the data from the Tribe node in London, How the tribe node perform the read operation under the hook, by a local cache read or a high latency cross data center read?

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [March 20, 2017, 10:14am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/2 "2017-03-20T10:14:59Z")

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It does a cross datacenter read.

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**Author:** ![hoswey](https://avatars.discourse-cdn.com/v4/letter/h/f0a364/32.png) [@hoswey](https://discuss.elastic.co/u/hoswey)\
**Post date:** [March 21, 2017, 3:09am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/4 "2017-03-21T03:09:50Z")

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Thanks your reply, Does it read cross the datacenter? If yes. Then the tribe node cann't solve my use case, I just want to put a tribe node in another data center as a read only client the gain the "real time" search feature.

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [March 21, 2017, 8:54am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/5 "2017-03-21T08:54:08Z")

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Caching is done locally, so the tribe node reads from all data centres.

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**Author:** ![hoswey](https://avatars.discourse-cdn.com/v4/letter/h/f0a364/32.png) [@hoswey](https://discuss.elastic.co/u/hoswey)\
**Post date:** [March 21, 2017, 9:49am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/7 "2017-03-21T09:49:17Z")

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Thanks your quick response.

So when I read from the tribe node, the tribe node will fetch the data in a high latency cross data center snetwork **"every time"** , right?

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [March 21, 2017, 10:01am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/8 "2017-03-21T10:01:58Z")

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Yes, that is correct.

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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:** [April 18, 2017, 10:01am UTC](https://discuss.elastic.co/t/performance-of-tribe-node-read-operation/79227/9 "2017-04-18T10:01:57Z")

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