On 2008-Jul-02 05:00:02 -0700, Marcus Reid [EMAIL PROTECTED] wrote:
It seems that in FreeBSD, msync() waits for bits to be
committed to disk even when MS_ASYNC is specified.
Your previous ktrace output suggests that, at least for the way
rrdtool is using mmap(2), physical I/O is being performed
Hi,
I recently had a patch accepted to the ports collection that took out an msync()
call that seriously detrimented performance for rrdtool updates. It seems that
in FreeBSD, msync() waits for bits to be committed to disk even when MS_ASYNC
is specified. Under Linux, there is not such a wait
