On Tue, 10 Apr 2012 19:58:44 +0800
Xiao Guangrong <[email protected]> wrote:
> No, i do not really agree with that.
>
> We really can get great benefit from O(1) especially if lockless write-protect
> is introduced for O(1), live migration is very useful for cloud computing
> architecture to balance the overload on all nodes.
Recently, you said to me that you were not familiar with live migration.
Actually you did not know the basics of pre-copy live migration.
I know live migration better than you because NTT has Kemari and it uses
live migration infrastructure. My work is originated from the data
I got during profiling Kemari.
SRCU-less dirty logging was also motivated by the pressures from scheduler
developers. Everything was really needed.
Have you ever used live migration for real service?
I cannot say whether O(1) is OK with me without any real background.
Takuya
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