I am doing POC on Posgtresql replication. I am using latest version of
postgresql i.e. 9.1. There are multiple replication solutions avaliable in
the market (PGCluster, Pgpool-II, Slony-I). Postgresql also provide in-built
replication solutions (Streaming replication, Warm Standby and hot standby).
I am confused which solution is best for the financial application for which
I am doing POC. The application will write around 160 million records with
row size of 2.5 KB in database. My questions is for following scenarios
which replication solution will be suitable:
If I would require replication for backup purpose only
If I would require to scale the reads
If I would require High Avaliability and Consistency
Also It will be very helpful if you can share the perfomance or experience
with postgresql replication solutions.
Thanks
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