# Added new nodes to the existing prod cluster

**URL:** <https://discuss.elastic.co/t/added-new-nodes-to-the-existing-prod-cluster/115971>\
**Category:** Elasticsearch\
**Created:** [January 18, 2018, 4:55am UTC](https://discuss.elastic.co/t/added-new-nodes-to-the-existing-prod-cluster/115971 "2018-01-18T04:55:43Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![srikanth\_nagineni](https://avatars.discourse-cdn.com/v4/letter/s/47e85d/32.png) [@srikanth\_nagineni](https://discuss.elastic.co/u/srikanth_nagineni)\
**Post date:** [January 18, 2018, 4:55am UTC](https://discuss.elastic.co/t/added-new-nodes-to-the-existing-prod-cluster/115971/1 "2018-01-18T04:55:43Z")

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I am having the 8 nodes existing es cluster. I need to double the size of the cluster. I added 8 more new nodes to the existing cluster. But the data syncing is not completed yet. I added 8 nodes in 24 hours back. Is there any method to fast syncing the data between the nodes.

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**Author:** ![crickes](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/crickes/32/18009_2.png) [@crickes](https://discuss.elastic.co/u/crickes)\
**Post date:** [January 18, 2018, 7:49pm UTC](https://discuss.elastic.co/t/added-new-nodes-to-the-existing-prod-cluster/115971/2 "2018-01-18T19:49:11Z")

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Hi,

You could tweak the indices.recovery.max\_bytes\_per\_sec setting to speed up the data transfer.

[https://www.elastic.co/guide/en/elasticsearch/reference/6.1/recovery.html](https://www.elastic.co/guide/en/elasticsearch/reference/6.1/recovery.html)

Steve

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<div class="post-metadata">

**Author:** ![srikanth\_nagineni](https://avatars.discourse-cdn.com/v4/letter/s/47e85d/32.png) [@srikanth\_nagineni](https://discuss.elastic.co/u/srikanth_nagineni)\
**Post date:** [January 19, 2018, 1:09pm UTC](https://discuss.elastic.co/t/added-new-nodes-to-the-existing-prod-cluster/115971/3 "2018-01-19T13:09:08Z")

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Hello crickes,

That is working fine. Thank you!

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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:** [February 16, 2018, 1:09pm UTC](https://discuss.elastic.co/t/added-new-nodes-to-the-existing-prod-cluster/115971/4 "2018-02-16T13:09:11Z")

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