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Re: [Qemu-devel] big wait check in ram_save_iterate()
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From: |
Peter Lieven |
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Subject: |
Re: [Qemu-devel] big wait check in ram_save_iterate() |
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Date: |
Sat, 15 Dec 2012 12:20:18 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0 |
Am 15.12.2012 10:02, schrieb Paolo Bonzini:
>
>> is the check for spending > 50ms in the loop still necessary in qemu
>> 1.3.0?
>
> Yes, it helps finding the available bandwidth and tuning the downtime of
> migration.
Aha, okay. But then it should also be added to block migration, shoudn't it?
I tested it in qemu-kvm 1.2.0 and it help to increase responsiveness if the
I/O latency on the storage is high.
Peter
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> Paolo
>