Messages in this thread | | | Date | Mon, 22 Mar 1999 17:19:53 +1100 | From | Richard Gooch <> | Subject | Re: [OFFTOPIC] Re: disk head scheduling |
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Matthew Jacob writes: > > > > Because of this, rotational latency now means nothing either. > > > This is another buzzword gone obsolete. > > > > Not quite: it still matters when reading. > > But becuase you don't really know location from index for any > particular block it's hard to figure out how you'd try and do block > placement for optimal rotational latency.
Sure, but that wasn't the point. The assertion was made that "rotational latency means nothing", which I dispute. Overall performance will be degraded by non-zero rotational latency. Exactly how much is left as an exercise to the reader ;-)
Regards,
Richard....
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