Re: [HACKERS] Updating large postgresql database with blobs

2007-03-12 Thread Andrew Dunstan
CAJ CAJ wrote: Thanks for the response. This'd be wonderful if I can get my process right. My assumptions (probably incorrect) are that pgdump has to be excuted twice on a database with blobs. Once to get the data and once to get the blob (using the -b flag). Why do you assume that? T

Re: [HACKERS] Updating large postgresql database with blobs

2007-03-12 Thread CAJ CAJ
> What is the fastest way to upgrade postgres for large databases that > has binary objects? Your procedure dumps and restore the databases twice. This seems less than sound. My prediction is that you could get a 50% speed improvement by fixing that ... Thanks for the response. This'd be wo

Re: [HACKERS] Updating large postgresql database with blobs

2007-03-12 Thread Andrew Dunstan
CAJ CAJ wrote: Hello, I didn't get any response on the GENERAL list so i'm escalating this We have several independent database servers with ~50GB+ databases running postgres 8.0.x. We are planning to upgrade these databases to postgres 8.2.x over the weekend We plan to use the followi

[HACKERS] Updating large postgresql database with blobs

2007-03-11 Thread CAJ CAJ
Hello, I didn't get any response on the GENERAL list so i'm escalating this We have several independent database servers with ~50GB+ databases running postgres 8.0.x. We are planning to upgrade these databases to postgres 8.2.xover the weekend We plan to use the following steps to upgrade