Re: Why "multiple of 5" blocks --- was Re: buffer cache -once again

I've often asked myself the same question. 5 is SO computer-unfriendly. (Especially when you realise that nowadays the Oracle code seems to assume for convenience that there are 1024 milliseconds in a second) And yes, at least v6. Possibly a hangover from something even earlier.

Regards

Jonathan Lewis
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• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: 13 May 2003 17:26 again

>
> Jonathan,
>
> Just curious [and I may have read this earlier but have forgotten it
if I
> have done so ..]
> where did the "multiple of 5" blocks rule come from. It's been
around
> since, what Oracle6 ? Why not "multiple of 4" which is a power of
2.
> [or did they want an extra block as a header block ?]
> Hemant
>

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