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 ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster