Krishna Komarpant wrote:
Hello,
I am Java Solutions Developer. I have my servers that run PostgreSQL
v8.1.11 and they are quit stable.
Recently i was supposed to install a Database Replication tool for the
Databases. I realized that i might have to upgrade my database from v8.1
.11 to v8.4
You should be running a newer 8.1 release - it's up to 8.1.17. There are
only bugfixes in that branch, no new features - so you won't have any
issues just upgrading postgres.
*1) _Would there be any compatibillity issue if i do this migration at
one shot_?*
Probably. 8.3 introduced some stricter type and language checking (eg
stricter checks for utf8 characters) and I'm sure 8.4 did on top of
that. Check the changelogs:
http://www.postgresql.org/docs/current/static/release.html
<snip same question asked again>
*5) *I want to implement a Master-Slave Replication system, and found
that SLONY-I is the best that matches with PostgreSQL database system.
But this is advisable in an environment where none of the
master/slave(s) are having a problem of being detached from the network
or frequent power failures. Here with my project this is the case.
*_Can you suggest a good database replication tool that would replicate
my postgreSQL databases it cud be a master-master DB replication tool as
well. Not a problem_.
*I have tried *RubyRep, Bucardo, *_but none of these have a stable rpm
release for CentOS version of Linux Operation System_.
No idea about that one unfortunately.
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