# Performance Numbers of ES suggest v/s MongoDB

**URL:** <https://discuss.elastic.co/t/performance-numbers-of-es-suggest-v-s-mongodb/24962>\
**Category:** Elasticsearch\
**Created:** [July 6, 2015, 4:03pm UTC](https://discuss.elastic.co/t/performance-numbers-of-es-suggest-v-s-mongodb/24962 "2015-07-06T16:03:34Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Vinaya](https://avatars.discourse-cdn.com/v4/letter/v/858c86/32.png) [@Vinaya](https://discuss.elastic.co/u/Vinaya)\
**Post date:** [July 6, 2015, 4:03pm UTC](https://discuss.elastic.co/t/performance-numbers-of-es-suggest-v-s-mongodb/24962/1 "2015-07-06T16:03:34Z")

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Is there any place, where i can get details of elastic search performance ?

I am looking at

a) I would be indexing around 400K documents (each of size 2K) ?  
b) How much time does it take for elastic search to update a single document ?  
c) Can i do realtime indexing, when searches are happening ? What is performance impact of the same

Appreciate your help  
-Vinaya

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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 6, 2015, 4:19pm UTC](https://discuss.elastic.co/t/performance-numbers-of-es-suggest-v-s-mongodb/24962/2 "2015-07-06T16:19:31Z")

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> [@Vinaya](#):
>
> a) I would be indexing around 400K documents (each of size 2K) ?

No problem.

> [@Vinaya](#):
>
> b) How much time does it take for Elasticsearch to update a single document ?

No idea. But, download, run and inject. And you're done!  
You will have that answer. Don't forget that sometimes it requires more time to read the data from its source than to index it into elasticsearch.

> [@Vinaya](#):
>
> c) Can i do realtime indexing, when searches are happening ? What is performance impact of the same

Yes. Realtime indexing. But not realtime searching. By default the index is refreshed every second. So it's a NRT search engine.

My 2 cents

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**Author:** ![AKY](https://avatars.discourse-cdn.com/v4/letter/a/eada6e/32.png) [@AKY](https://discuss.elastic.co/u/AKY)\
**Post date:** [March 18, 2017, 10:53pm UTC](https://discuss.elastic.co/t/performance-numbers-of-es-suggest-v-s-mongodb/24962/3 "2017-03-18T22:53:45Z")

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any way you could upload your data for the perf numbers for ES vs mongoDb? Its part of my research so I'd really appreciate it

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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 5, 2017, 10:02pm UTC](https://discuss.elastic.co/t/performance-numbers-of-es-suggest-v-s-mongodb/24962/4 "2017-07-05T22:02:06Z")

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