PostgreSQL and Replicator at Northwest Python Day
Posted Tuesday Feb 3rd, 2009 08:29am
by Joshua Drake | Permalink



Last Saturday I gave a talk at the Northwest Python Day in Seattle. Unfortunately it was a short talk of only 30 minutes so I didn't get to cover all the topics I wanted but I was able to briefly share on PostgreSQL and on configuring PostgreSQL (Mammoth) Replicator. Just for grins I started the talk off with a question, "Please raise your hand if you are running Ubuntu." There were over 50 people in the room. Over half raised their hand. World domination is coming along nicely. I was asked two questions at the end of the talk. One was about how to have many masters replicate to a single slave. Similar to the salesman problem where they have a database of information that has to sync up to the main hub once a day or something like that. This particular application was doing security polling and the gentlemen wanted to have all the nodes report centrally. Replicator isn't really designed for that. I suggested looking at Slony which is a little more flexible with obscure configurations. The second question was about the mcp server and if the master/slaves would recover should the mcp be unavailable for a period of time. Yes, they will. The trip itself was pretty uneventful but it was nice to get out of town for a couple of days.

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