# Cluster performance really slow compared to just one server

**URL:** <https://forums.percona.com/t/cluster-performance-really-slow-compared-to-just-one-server/3832>\
**Category:** Percona XtraDB Cluster 5.x\
**Created:** [October 17, 2014, 3:27pm UTC](https://forums.percona.com/t/cluster-performance-really-slow-compared-to-just-one-server/3832 "2014-10-17T15:27:39Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![tucj7](https://avatars.discourse-cdn.com/v4/letter/t/a88e4f/32.png) [@tucj7](https://forums.percona.com/u/tucj7)\
**Post date:** [November 6, 2014, 9:54am UTC](https://forums.percona.com/t/cluster-performance-really-slow-compared-to-just-one-server/3832/4 "2014-11-06T09:54:53Z")

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Hi przemek, would you be able to explain how to test these settings? How do I make replication asynchronous? Thanks

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