DBMirror is a database mirroring system developed for the Postgres
-database Written and maintened by Steven Singer(ssinger@navtechinc.com)
+database Written and maintained by Steven Singer(ssinger@navtechinc.com)
(c) 2001-2002 Navtech Systems Support Inc.
-Overrview
+Overview
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The mirroring system is trigger based and provides the following key features:
-Per table selection of what gets mirrored.
-The system is based on the idea that a master database exist where all
-edits are made to the tables being mirrored. A trigger attatched to the
+The system is based on the idea that a master database exists where all
+edits are made to the tables being mirrored. A trigger attached to the
tables being mirrored runs logging information about the edit to
the Pending table and PendingData table.
-A perl script(DBMirror.pl) runs continiously for each slave database(A database
+A perl script(DBMirror.pl) runs continuously for each slave database(A database
that the change is supposed to be mirrored to) examining the Pending
table; searching for transactions that need to be sent to that particular slave
database. Those transactions are then mirrored to the slave database and
pending.so shared library. Modify the arguments to this command if you
choose to install the trigger elsewhere.
-2) Run MirroSetup.sql
+2) Run MirrorSetup.sql
This file contains SQL commands to setup the Mirroring environment.
This includes