On 9/28/07, Scott McClanahan <scott.mcclanahan at trnswrks.com> wrote: > Not sure if this was mentioned earlier in the thread but I just watched > a session from vmworld and they commented that more recent releases of > the linux kernel set CONFIG_HZ=250. Can anyone comment on the truth to > that and how relative it is to the CentOS distro? Thanks. CentOS kernels (both 4 and 5) are set to 1000Hz by default. The exception is the xen kernels which are set to 250Hz. Akemi