Dimitri Fontaine wrote:
Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes:
Yeah, a lot of that logic and states is completely unnecessary until we
have a synchronous mode. Even then, it seems complex.
I hope we'll find something less complex, what I proposed is heavily
inspired from londiste (Skytools) table addition to a replication set
(parallel COPY), which works fine.
Here's what I've been hacking:
[...]
So there's just two states:
1. Recovering from archive
2. Streaming
We start from 1, and switch state at error.
Oh yes that's even more simple!
This gives nice behavior from a user point of view. Standby tries to
make progress using either the archive or streaming, whichever becomes
available first.
So tools like pitrtools or walmgr.py will certainly continue being
necessary to use in 9.0, right?
Right now Streaming Replication does not do your backup for you, which
some of the tools (e.g walmgr.py) do... Thinking about walmgr.py for a
moment - it should be pretty easy (or possible anyway) to make it use
streaming replication for server versions >= 9.0.
Cheers
Mark
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