提交 8d04225a 编写于 作者: B Bruce Momjian

UPdate faq/

上级 f49cbb54
......@@ -674,10 +674,8 @@ your kernel's limit on shared memory space.
Each buffer is 8K and the default is 64 buffers.<P>
You can also use the backend -S option to increase the maximum amount
of memory used by each backend process for temporary sorts. The -S value
is measured in kilobytes, and the default is 512 (ie, 512K). It is unwise
to make this value too large, or you may run out of memory when a query
invokes several concurrent sorts.<P>
of memory used by the backend process for temporary sorts. The -S value
is measured in kilobytes, and the default is 512 (ie, 512K).<P>
You can also use the <SMALL>CLUSTER</SMALL> command to group data in base tables to
match an index. See the cluster(l) manual page for more details.<P>
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