> Those are the basic requirements that I am trying to address. There > are a great many important details, but the core of this is probably > what I would call "logical replication", that is shipping changes to > other nodes in a way that does not tie us to the same physical > representation that recovery/streaming replication does now. Of > course, non-physical replication can take many forms.
Guessing from "shipping changes to other nodes", you seem to implicitly aim at asynchronous replication? If so, I am afraid it will force users to pay some cost to migrate from existig applications. -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese: http://www.sraoss.co.jp -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers