# Elasticsearch - Maintaining Historical data

**URL:** <https://discuss.elastic.co/t/elasticsearch-maintaining-historical-data/38224>\
**Category:** Elasticsearch\
**Created:** [December 31, 2015, 11:32am UTC](https://discuss.elastic.co/t/elasticsearch-maintaining-historical-data/38224 "2015-12-31T11:32:35Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kacemrostom](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kacemrostom/32/6926_2.png) [@kacemrostom](https://discuss.elastic.co/u/kacemrostom)\
**Post date:** [December 31, 2015, 11:32am UTC](https://discuss.elastic.co/t/elasticsearch-maintaining-historical-data/38224/1 "2015-12-31T11:32:35Z")

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I am new to Elasticsearch with a very basic question to ask;

I am planning to use Elasticsearch for JSON files storage, i grab those JSON files from Social networks at a fixed ranges (ex: 5hours). What i need to do is comparing files that are physically stored in HDFS in separate reps by dates. Does Elasticsearch support historical data in a way i can compare files that they have the same structure but grabbed at differents dates?

Thanks in advance.

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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:** [January 1, 2016, 11:51pm UTC](https://discuss.elastic.co/t/elasticsearch-maintaining-historical-data/38224/2 "2016-01-01T23:51:24Z")

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No it doesn't, you need to do this external to ES.

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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, 11:27pm UTC](https://discuss.elastic.co/t/elasticsearch-maintaining-historical-data/38224/3 "2017-07-05T23:27:31Z")

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