10.01.2018 18:43, Leyne, Sean пишет:
Tests are different, so results cannot be compared "as is".
I appreciate that the tests are different, I was commenting on the relative
performance impact.
Slowdown mostly depends on % of syscalls. R/O vs R/W tests would show
different relative impact due to different lock contention. Big page
cache (thus less I/O calls, even if resolved by the filesystem cache) vs
small page cache - also different relative impact. Different workloads -
also different relative impact.
Dmitry
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