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Re: [Qemu-devel] [PATCH] sheepdog: implement direct write semantics

From: Liu Yuan
Subject: Re: [Qemu-devel] [PATCH] sheepdog: implement direct write semantics
Date: Wed, 09 Jan 2013 18:46:40 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 
On 01/09/2013 06:40 PM, Paolo Bonzini wrote:
> 1) how slower is QEMU's emulated-writethrough mode for writes, due to
> the extra requests?
> 

I'll collect some numbers on it.

> 2) how slower is QEMU's writeback mode for reads, due to the different
> structure of the cache?

Sorry, I don't get your question.

I didn't say QEMU's writeback mode is slow for reads, did I?

Thanks,
Yuan
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