# Search in mutiple indices

**URL:** <https://discuss.elastic.co/t/search-in-mutiple-indices/166463>\
**Category:** Elasticsearch\
**Created:** [January 31, 2019, 3:39am UTC](https://discuss.elastic.co/t/search-in-mutiple-indices/166463 "2019-01-31T03:39:37Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ZY2zZ](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/zy2zz/32/60160_2.png) [@ZY2zZ](https://discuss.elastic.co/u/ZY2zZ)\
**Post date:** [January 31, 2019, 3:39am UTC](https://discuss.elastic.co/t/search-in-mutiple-indices/166463/1 "2019-01-31T03:39:37Z")

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I try to search in a index,it only spends 9-20ms,But if i search in mutiple indices,it spends a long time(about 110-240ms. Isn't it parallel？ And when i use the profile API,i find that next\_doc spents the most time,how can i solve this problem.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [February 28, 2019, 3:39am UTC](https://discuss.elastic.co/t/search-in-mutiple-indices/166463/2 "2019-02-28T03:39:46Z")

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