> If they are wrapped up in iowait then you need a faster seeking disk
> (e.g. ssd because sas won't give you a significant amount extra)
or need to tune something. You don't necessarily need to change always the
hdw if you have high iowaits. There are many variables around.
--
Stefan Parvu
On 16/06/14 12:49, shahzaib shahzaib wrote:
8MB/s w/r should not be issue for 12X3TB SATA HDD. Maybe i need to
tweak some nginx buffers or kernels in order to reduce the high io wait ?
if you have a high number of concurrent connections and/or use
limit_rate, then expect hdd (sata or sas) t
Our server HDD i/o is constant on 8MB/s and i/o utilization + await is very
high due to which nginx video streaming is really slow and we're receiving
complains from our users regarding slow streaming of the videos.
We're using 12X3TB SATA HDD Hardware-Raid10 with 16G RAM
OS Centos 6.4
8MB/s w/r
