# 클러스터 노드에서 아직 Commit되지 않은 데이터가 있는 노드가 죽었을때?

**URL:** <https://discuss.elastic.co/t/commit/188208>\
**Category:** 한국어 질문 및 토론\
**Created:** [June 30, 2019, 10:25pm UTC](https://discuss.elastic.co/t/commit/188208 "2019-06-30T22:25:34Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![KKH](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kkh/32/49087_2.png) [@KKH](https://discuss.elastic.co/u/KKH)\
**Post date:** [June 30, 2019, 10:25pm UTC](https://discuss.elastic.co/t/commit/188208/1 "2019-06-30T22:25:34Z")

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클러스터 노드에서 아직 Commit되지 않은 데이터가 있는 노드가 죽었을때 데이터가 유실될 가능성이 있나요 ? 그렇다면 어떻게 유실되지 않게 방지할 수 있을까요?

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**Author:** ![clem1](https://avatars.discourse-cdn.com/v4/letter/c/f0a364/32.png) [@clem1](https://discuss.elastic.co/u/clem1)\
**Post date:** [July 1, 2019, 3:31pm UTC](https://discuss.elastic.co/t/commit/188208/2 "2019-07-01T15:31:47Z")

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English is better to get everyone to understand the question

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [July 1, 2019, 3:32pm UTC](https://discuss.elastic.co/t/commit/188208/3 "2019-07-01T15:32:27Z")

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Agreed. I moved the post to [https://discuss.elastic.co/c/in-your-native-tongue/korean](https://discuss.elastic.co/c/in-your-native-tongue/korean)

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**Author:** ![kimjmin](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimjmin/32/15223_2.png) [@kimjmin](https://discuss.elastic.co/u/kimjmin)\
**Post date:** [July 8, 2019, 12:43am UTC](https://discuss.elastic.co/t/commit/188208/4 "2019-07-08T00:43:14Z")

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Elasticsearch 는 보통 리플리카 샤드를 만들어서 데이터를 중복 저장 해 놓고 유실된 데이터는 다른 샤드에서 가져오는 식으로 복구를 합니다. 메카니즘이 상당히 복잡해서 여기서 다 설명 드리긴 어렵지만 데이터 유실에 대해서는 상당히 정성들여 여러 단계로 방지책을 만들어 놓았기 때문에 크게 걱정 안 하셔도 괜찮을 겁니다.

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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:** [August 5, 2019, 12:43am UTC](https://discuss.elastic.co/t/commit/188208/5 "2019-08-05T00:43:20Z")

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