# SSD对于es的优势

**URL:** <https://discuss.elastic.co/t/ssd-es/98074>\
**Category:** 中文提问与讨论\
**Created:** [August 23, 2017, 12:36pm UTC](https://discuss.elastic.co/t/ssd-es/98074 "2017-08-23T12:36:04Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Gongruixiao](https://avatars.discourse-cdn.com/v4/letter/g/da6949/32.png) [@Gongruixiao](https://discuss.elastic.co/u/Gongruixiao)\
**Post date:** [August 23, 2017, 12:36pm UTC](https://discuss.elastic.co/t/ssd-es/98074/1 "2017-08-23T12:36:04Z")

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ES 单节点，5.4.2版本  
每秒4万写入量，ssd和普通硬盘的qps无差距，想咨询ssd对于ES的优势体现在哪里

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**Author:** ![medcl.net](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/medcl.net/32/4414_2.png) [@medcl.net](https://discuss.elastic.co/u/medcl.net)\
**Post date:** [September 11, 2017, 4:55am UTC](https://discuss.elastic.co/t/ssd-es/98074/2 "2017-09-11T04:55:40Z")

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如果你的磁盘读写性能已经满足ES，那你可以不用考虑SSD。

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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:** [October 9, 2017, 4:56am UTC](https://discuss.elastic.co/t/ssd-es/98074/3 "2017-10-09T04:56:06Z")

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