# Modify cluster settings on fly

**URL:** <https://discuss.elastic.co/t/modify-cluster-settings-on-fly/88857>\
**Category:** Elasticsearch\
**Created:** [June 9, 2017, 3:35pm UTC](https://discuss.elastic.co/t/modify-cluster-settings-on-fly/88857 "2017-06-09T15:35:13Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![zozo6015](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/zozo6015/32/12117_2.png) [@zozo6015](https://discuss.elastic.co/u/zozo6015)\
**Post date:** [June 9, 2017, 3:35pm UTC](https://discuss.elastic.co/t/modify-cluster-settings-on-fly/88857/1 "2017-06-09T15:35:13Z")

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Hello,

I am running an elasticsearch cluster 2.3.3 and I need to add this setting to the cluster:

`rest.action.multi.allow_explicit_index: false` is it possible to do it without the need of restart the nodes?

Regards,  
Peter

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [June 10, 2017, 12:18am UTC](https://discuss.elastic.co/t/modify-cluster-settings-on-fly/88857/2 "2017-06-10T00:18:21Z")

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No it is not.

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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 8, 2017, 12:18am UTC](https://discuss.elastic.co/t/modify-cluster-settings-on-fly/88857/3 "2017-07-08T00:18:24Z")

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