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1) Where can ARChits.sh be found?
2) The dtrace invocations seem to run indefinitely until one interrupts with ^C, might want to mention that
3) You do only mention Solaris 10, but it'd be nice to know the equivalent for Solars 11:
# dtrace -n 'sdt:zfs::arc-hit,sdt:zfs::arc-miss { @["bytes"] = quantize(((arc_buf_hdr_t *)arg0)->b_size); }'
dtrace: invalid probe specifier sdt:zfs::arc-hit,sdt:zfs::arc-miss { @["bytes"] = quantize(((arc_buf_hdr_t *)arg0)->b_size); }: syntax error near ")"
4) A similar analysis for ZoL on RH-family distributions would be very welcome.
I currently have NBU running on an RHEL system with storage accessed via NFS to a Sol11 system running ZFS over Coraid storage. Performance is not what I'd like, which is what drew me to this post. In the future I may factor out the Sol11 system and run ZoL locally on the RHEL system currently with 128GB; this would of course change the memory equation quite a bit.