-<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.23 2007/11/10 19:14:02 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/high-availability.sgml,v 1.24 2007/11/10 19:19:36 momjian Exp $ -->
<chapter id="high-availability">
<title>High Availability, Load Balancing, and Replication</title>
<para>
Many of the above solutions allow multiple servers to handle multiple
queries, but none allow a single query to use multiple servers to
- complete faster. This allows multiple servers to work concurrently
- on a single query. This is usually accomplished by splitting the
- data among servers and having each server execute its part of the
- query and return results to a central server where they are combined
- and returned to the user. <productname>Pgpool-II</> has this
- capability. Also, this can be implemented using the
+ complete faster. This solution allows multiple servers to work
+ concurrently on a single query. It is usually accomplished by
+ splitting the data among servers and having each server execute its
+ part of the query and return results to a central server where they
+ are combined and returned to the user. <productname>Pgpool-II</>
+ has this capability. Also, this can be implemented using the
<productname>PL/Proxy</> toolset.
</para>