# Scroll setting on reindex task
**URL:** https://discuss.elastic.co/t/scroll-setting-on-reindex-task/200500
**Category:** Elasticsearch
**Created:** [September 20, 2019, 10:08pm UTC](https://discuss.elastic.co/t/scroll-setting-on-reindex-task/200500 "2019-09-20T22:08:37Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@viniciof](https://discuss.elastic.co/u/viniciof)
#### Post date: [September 20, 2019, 10:08pm UTC](https://discuss.elastic.co/t/scroll-setting-on-reindex-task/200500/1 "2019-09-20T22:08:37Z")
Hi all,
I'm looking at this doc: [Scroll | Elasticsearch Reference [5.6] | Elastic](https://www.elastic.co/guide/en/elasticsearch/reference/5.6/search-request-scroll.html)
> ## Scroll
>
> While a `search` request returns a single “page” of results, the `scroll` API can be used to retrieve large numbers of results (or even all results) from a single search request, in much the same way as you would use a cursor on a traditional database.
>
> Scrolling is not intended for real time user requests, but rather for processing large amounts of data, e.g. in order to reindex the contents of one index into a new index with a different configuration.
It says scroll timeout can be changed for reindexing a lot of data. But I don't see any example showing how to change this param using Reindex API - I guess is the only way to "reindex" an index right ?
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [October 18, 2019, 10:08pm UTC](https://discuss.elastic.co/t/scroll-setting-on-reindex-task/200500/2 "2019-10-18T22:08:40Z")
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