We have a load balancer/session server that manages sessions in small
files. I did a grep on the directory of session files and the server
load went from 0.50 to 10.x, for all intents and purposes we were down
until I canceled the grep.
According to this article on
http://www.thattommyhall.com/2011/02/18/iops-linux-iostat/ tps is
roughly analogous to iops. Running iostat on the device reports a tps
that sometimes hits as high as 2000. Given a fairly standard 7200 RPM
SATA drive, with potential IOPS as high as perhaps 100, how is this even
remotely possible? Is it due to sequential writes?
Thanks,
Ben
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