| From: | Thomas Hallgren <thomas(at)tada(dot)se> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Neil Conway <neilc(at)samurai(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, "Bort, Paul" <pbort(at)tmwsystems(dot)com> |
| Subject: | Re: GUC with units, details |
| Date: | 2006-07-26 08:13:43 |
| Message-ID: | 44C72437.6070403@tada.se |
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| Lists: | pgsql-hackers |
Simon Riggs wrote:
> don't ever need to say that K = 1000, AFAICS. I think we are safe to
> assume that
>
> kB = KB = kb = Kb = 1024 bytes
>
> mB = MB = mb = Mb = 1024 * 1024 bytes
>
> gB = GB = gb = Gb = 1024 * 1024 * 1024 bytes
>
> There's no value in forcing the use of specific case and it will be just
> confusing for people.
>
It's fairly common to use 'b' for 'bits' and 'B' for 'bytes'. My suggestion would be to be
much more restrictive and avoid small caps:
KB = 1024 bytes
MB = 1024 KB
GB = 1024 KB
TB = 1024 GB
Although I don't expect to see bit-rates or fractions ('m' == 'milli') in GUC, it might be
good to use consistent units everywhere.
Regards,
Thomas Hallgren
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