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From Steven Hunter <steveopl...@gmail.com>
Subject Re: IO performance
Date Fri, 23 Jan 2015 03:01:31 GMT
A second or more HDS up to 4 would work great

StevenHunter
On Jan 14, 2015 11:31 AM, "Daniel Biazus" <daniel.biazus@azion.com> wrote:

> Hey Guys,
>
>     As you can see at the following iostat output, We have a lot of writes
> into the cache, :-)  and the IO wait is a bit higher than expected.
>
>                Device:         rrqm/s   wrqm/s     r/s     w/s   rsec/s
> wsec/s avgrq-sz avgqu-sz   await  svctm  %util
> (storage) sda               0.00     0.00   17.00   26.00  6094.00
> 13144.00   447.40     0.94   *19.77*   6.05  26.00
> (interim)  sdb               0.00     0.00   85.00   13.00 12523.00
>  8706.00   216.62     0.18    1.86   0.84   8.20
>
> I was wondering if would be possible to enhance the write IO performance
> by increasing the IO buffers.
>
> I thought, I would increase the proxy.config.io.max_buffer_size, from
> 32768 to a much higher value.
>
> Any thoughts about it ?
>
> Thank you!
>
> --
>
> Daniel Biazus
> infrastructure Engineering
> Azion Technologies
> Porto Alegre, Brasil +55 51 3012 3005 | +55 51 82279032
> Miami, USA +1 305 704 8816
>
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