On 12/29/2010 07:42 PM, Robert Haas wrote:
On Dec 29, 2010, at 1:01 PM, Tom Lane<t...@sss.pgh.pa.us> wrote:
Is it really stable enough for bin/? My impression of the state of
affairs is that there is nothing whatsoever about replication that
is really stable yet.
Well, that's not stopping us from shipping a core feature called "replication".
I'll defer to others on how mature pg_streamrecv is, but if it's no worse than
replication in general I think putting it in bin/ is the right thing to do.
well I have not looked at how good pg_streamrecv really is but we
desperately need to fix the basic usability issues in our current
replication implementation and pg_streamrecv seems to be a useful tool
to help with some.
From all the people I talked to with SR they where surprised how
complex and fragile the initial setup procedure is - it is the lack of
providing a simple and reliable tool to do a base backup over libpq and
also a simple way to have that tool tell the master "keep the wal
segments I need for starting the standby". I do realize we need to keep
the ability to do the basebackup out-of-line but for 99% of the users it
is tool complex, scary and failure proof (I know nobody who got the
procedure right the first time - which is a strong hint that we need to
work on that).
Stefan
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