On 16/01/2021 07:16, Ken Johnson wrote:
Thanks for the helpful advice.  It sounds like an issue with timestamp 
translation, though I am far from a database expert.

I am working on the same approach, pgloader to postgresql.  I do not do 
incrementals, so that particular issue will not be a problem here.  Of course, 
full backups five times/week probably contributes to the 5GB size of the 
database, which adds challenges of its own.

If my energy holds up and my to-do list is not too long, I hope to post a 
summary here when complete.

I'd say that 5GB isn't much.

When I moved from MySQL to PostgreSQL I had to massage ~45Gb of data, I never looked at how long it took, it was just fire it off and check for it being finished, as I wasn't going to start using the new database until I was sure that it was complete.

It took about a week of running the various scripts I came up with to get a final set, I then ran them in the morning, changed Bacula to see the new server in the arvo, and it all worked.

Mild disclaimer: I've written databases - in the sense of the underlying code that stores and fetches the various values - for a living. Writing chains of shell and perl and whatever scripts to move data from here to there is almost organic these days!

        Cheers,
                Gary    B-)


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