From 561485709673f4bc05240e891dd9056bdedbbcbc Mon Sep 17 00:00:00 2001 From: Alvaro Herrera <alvherre@alvh.no-ip.org> Date: Tue, 3 May 2011 11:34:27 -0300 Subject: [PATCH] Improve description of read/write traffic scalability Greg Smith, after a suggestion of James Bruce --- doc/src/sgml/high-availability.sgml | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml index 5972a45555f..5bb45fea7e9 100644 --- a/doc/src/sgml/high-availability.sgml +++ b/doc/src/sgml/high-availability.sgml @@ -188,9 +188,10 @@ protocol to make nodes agree on a serializable transactional order. <para> With statement-based replication middleware, a program intercepts every SQL query and sends it to one or all servers. Each server - operates independently. Read-write queries are sent to all servers, - while read-only queries can be sent to just one server, allowing - the read workload to be distributed. + operates independently. Read-write queries must be sent to all servers, + so that every server receives any changes. But read-only queries can be + sent to just one server, allowing the read workload to be distributed + among them. </para> <para> -- GitLab