rbd export poor performance

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Subject: rbd export poor performance
From: andrei@xxxxxxxxxx (Andrei Mikhailovsky)
Date: Tue, 26 Aug 2014 01:34:02 +0100 (BST)
In-reply-to: <26249530.439.1409013126382.JavaMail.andrei@tuchka>

Hi,

I am running a few tests for exporting volumes with rbd export and noticing very poor performance. It takes almost 3 hours to export 100GB volume. Servers are pretty idle during the export.

The performance of the cluster itself is way faster. How can I increase the speed of rbd export?

Thanks

Andrei

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