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When you CPU's/cores waiting for HDD access, they got high-loag.<br>
<br>
Just as a juggler trying to keep in the air 600 oranges. What do you
think would be a sweaty jogger? ;)<br>
<br>
24.02.16 1:37, Yuri Voinov пишет:<br>
<span style="white-space: pre;">><br>
><br>
><br>
> 24.02.16 1:11, Heiler Bemerguy пишет:<br>
><br>
> This is obvious improvements.<br>
><br>
> If you have only one-two HDD controllers, you have bottleneck
in IO. You much cores waits HDD access alltogether.........<br>
><br>
> First of all you need:<br>
><br>
> - Either many HDD controllers/IO channels;<br>
> - Or Disk array(s) with high-speed controllers and with huge
own cache;<br>
> - Fast HDD array must have fast IO subsystem. For example, FC
SAN, or something.<br>
><br>
><br>
><br>
></span><br>
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