Joe Conway <[EMAIL PROTECTED]> writes:
> The attached is the supporting documentation for the read-only GUC 
> variable changes. Comments?

Most of this paragraph strikes me as noise:

> +         Shows the size of a disk block.  It is determined by the value
> +         of <literal>BLCKSZ</> when building the server. The default
> +         value is 8192 bytes.  Each data file (heap or index) is divided
> +         into disk blocks which may be thought of as the unit of I/O.
> +         A <productname>PostgreSQL</productname> buffer contains exactly
> +         one disk block.  A <productname>PostgreSQL</productname> disk page
> +         is an abstraction layered on top of a disk block.  Specifically,
> +         while a disk block can be unformatted, a disk page is always a
> +         formatted page.  The <varname>shared_buffers</varname> setting is
> +         influenced by <varname>block_size</varname>.  See
> +         <xref linkend="runtime-config-resource"> for information.

I think you could drop the middle four sentences ("Each ... formatted page")
without losing much.

Otherwise it looks fine ...

                        regards, tom lane

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