RE: AW: [HACKERS] Postgres Replication

2001-06-12 Thread Mikheev, Vadim
> Here are some disadvantages to using a "trigger based" approach: > > 1) Triggers simply transfer individual data items when they > are modified, they do not keep track of transactions. I don't know about other *async* replication engines but Rserv keeps track of transactions (if I understood

RE: AW: [HACKERS] Postgres Replication

2001-06-12 Thread Darren Johnson
> > Here are some disadvantages to using a "trigger based" approach: > > > > 1) Triggers simply transfer individual data items when they > > are modified, they do not keep track of transactions. > I don't know about other *async* replication engines but Rserv > keeps track of transactions (if I

Re: AW: [HACKERS] Postgres Replication

2001-06-12 Thread root
Hello I have hacked up a replication layer for Perl code accessing a database throught the DBI interface. It works pretty well with MySQL (I can run pre-bender slashcode replicated, haven't tried the more recent releases). Potentially this hack should also work with Pg but I haven't tried yet.

Re: AW: [HACKERS] Postgres Replication

2001-06-12 Thread Darren Johnson
> which I believe is what the rserv implementation in contrib currently does > ... no? We tried rserv, PG Link (Joseph Conway), and PosrgreSQL Replicator. All these projects are trigger based asynchronous replication. They all have some advantages over the current functionality of Postgres-R

Re: AW: [HACKERS] Postgres Replication

2001-06-12 Thread The Hermit Hacker
which I believe is what the rserv implementation in contrib currently does ... no? its funny ... what is in contrib right now was developed in a weekend by Vadim, put in contrib, yet nobody has either used it *or* seen fit to submit patches to improve it ... ? On Tue, 12 Jun 2001, Zeugswetter A