# Why xtrabackup is so slow compared to a single cp ?

**URL:** <https://forums.percona.com/t/why-xtrabackup-is-so-slow-compared-to-a-single-cp/2265>\
**Category:** Percona XtraBackup\
**Created:** [July 1, 2012, 8:13pm UTC](https://forums.percona.com/t/why-xtrabackup-is-so-slow-compared-to-a-single-cp/2265 "2012-07-01T20:13:08Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![renato\_shira](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/renato_shira/32/882_2.png) [@renato\_shira](https://forums.percona.com/u/renato_shira)\
**Post date:** [July 1, 2012, 8:13pm UTC](https://forums.percona.com/t/why-xtrabackup-is-so-slow-compared-to-a-single-cp/2265/1 "2012-07-01T20:13:08Z")

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IM experiencing a vast difference in copy time when I compare the ibdata creation rate in xtrabackup compared to a single cp… why is that?

Some info:  
xtrabackup: 14GB/hour (4MB/s)  
cp: 120GB/hour (33MB/s)

Its the same machine and same disks

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**Author:** ![niljoshi](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/niljoshi/32/16889_2.png) [@niljoshi](https://forums.percona.com/u/niljoshi)\
**Post date:** [July 5, 2012, 1:00am UTC](https://forums.percona.com/t/why-xtrabackup-is-so-slow-compared-to-a-single-cp/2265/2 "2012-07-05T01:00:39Z")

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Hi, can you provide below details?

- Xtrabackup version
- MySQL/Percona Server version
- OS version

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<div class="post-metadata">

**Author:** ![renato\_shira](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/renato_shira/32/882_2.png) [@renato\_shira](https://forums.percona.com/u/renato_shira)\
**Post date:** [July 5, 2012, 1:10am UTC](https://forums.percona.com/t/why-xtrabackup-is-so-slow-compared-to-a-single-cp/2265/3 "2012-07-05T01:10:43Z")

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- Xtrabackup 2.0
- MySQL 5.1.48
- Linux 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:34:28 EST 2008 x86\_64 GNU/Linux