From 3b0313580e8450eba6ca6ca4b440f9d8f5a3273e Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Wed, 22 Nov 2006 04:00:19 +0000 Subject: [PATCH] New async/sync multi-master headings for docs. --- doc/src/sgml/high-availability.sgml | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/doc/src/sgml/high-availability.sgml b/doc/src/sgml/high-availability.sgml index ba7f2e2d9f..bc09f40c58 100644 --- a/doc/src/sgml/high-availability.sgml +++ b/doc/src/sgml/high-availability.sgml @@ -1,4 +1,4 @@ - + High Availability and Load Balancing @@ -184,22 +184,22 @@ protocol to make nodes agree on a serializable transactional order. - Multi-Master Clustering + Multi-Master Replication - In clustering, each server can accept write requests, and - modified data is transmitted from the original server to every - other server before each transaction commits. Heavy write - activity can cause excessive locking, leading to poor performance. - In fact, write performance is often worse than that of a single - server. Read requests can be sent to any server. Some - implementations use cluster-wide shared memory or shared disk - to reduce the communication overhead. Clustering is best for - mostly read workloads, though its big advantage is that any - server can accept write requests — there is no need to - partition workloads between master and slave servers, and - because the data changes are sent from one server to another, + In multi-master replication, each server can accept write + requests, and modified data is transmitted from the original + server to every other server before each transaction commits. + Heavy write activity can cause excessive locking, leading to + poor performance. In fact, write performance is often worse + than that of a single server. Read requests can be sent to + any server. Some implementations use cluster-wide shared memory + or shared disk to reduce the communication overhead. Clustering + is best for mostly read workloads, though its big advantage is + that any server can accept write requests — there is no + need to partition workloads between master and slave servers, + and because the data changes are sent from one server to another, there is no problem with non-deterministic functions like random(). @@ -246,7 +246,7 @@ protocol to make nodes agree on a serializable transactional order. - Clustering For Parallel Query Execution + Multi-Server Parallel Query Execution -- 2.11.0