Wed Jul 22 15:28:42 PDT 2009
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Hello, I'm maintaining an application that uses Slony-I. Users may very occasionally stop replication, to build a backlog of updates, and later restart replication and propagate that backlog all at once. It isn't likely to be used more than every once in a long while. At the moment, I simply stop the Slony-I windows service (i.e. all slon daemons), and later restart it through win32 API calls. This has the considerable disadvantage of requiring that the user be present on the master - if the user is connecting to the database remotely, the Slony service cannot be restarted. It also requires that the user have OS administrative privileges. My questions are: 1. Is stopping Slony-I in this manner sensible? I've had acceptable results so far, but I'm aware that "Extended periods of downtime will require to remove or deactivate the node in question in the configuration", and that Slony-I is not suitable for replicating "offline nodes that only become available sporadic [sic] for synchronization". 2. If it is sensible, is it possible to achieve the same result through calls to "bare metal" slony functions? Thanks, Peter Geoghegan
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