# How to increase speed when using es-hadoop bulk data from hdfs to elasticsearch?

**URL:** https://discuss.elastic.co/t/how-to-increase-speed-when-using-es-hadoop-bulk-data-from-hdfs-to-elasticsearch/266329
**Category:** Elasticsearch
**Created:** [March 5, 2021, 7:55am UTC](https://discuss.elastic.co/t/how-to-increase-speed-when-using-es-hadoop-bulk-data-from-hdfs-to-elasticsearch/266329 "2021-03-05T07:55:13Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![Chuckiefan](https://avatars.discourse-cdn.com/v4/letter/c/7993a0/32.png) [@Chuckiefan](https://discuss.elastic.co/u/Chuckiefan)
#### Post date: [March 5, 2021, 7:55am UTC](https://discuss.elastic.co/t/how-to-increase-speed-when-using-es-hadoop-bulk-data-from-hdfs-to-elasticsearch/266329/1 "2021-03-05T07:55:13Z")

</div>

When I use es-hadoop to run a MapReduce bulk data from hdfs to elasticsearch ,the number of reducer is 1 as default. Is there any way to increase the speed of it ?

---

<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: [April 2, 2021, 7:55am UTC](https://discuss.elastic.co/t/how-to-increase-speed-when-using-es-hadoop-bulk-data-from-hdfs-to-elasticsearch/266329/2 "2021-04-02T07:55:59Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.