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[Qemu-discuss] Colo perfmance

From: wangguang
Subject: [Qemu-discuss] Colo perfmance
Date: Mon, 27 Feb 2017 02:32:37 -0700 (MST)

I am testing QEMU COLO feature described here [QEMU
I am testing io performance with iozone in  Primary VM.
And the io performance wth colo is mucher lower than which without colo when
writing a file in Primary VM.

Iozone –r 512k –i 0 –i 1 –s 2g –f /home/file_2G
not colo:
Write:     1544523
Rewrite:   1433098
Read:     696418
Reread:   721802

Write:     138186
Rewrite:   138286
Read:     1754523
Reread:   1892802

Does anyon have plan to optimize the performance of colo? 
Any help is appreciated! 

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