> We've been getting errors similar to the following (the specific large
> object that is "missing" is different every time) during our nightly
> pg_dump:
>
> pg_dump: dumpBlobs(): could not open large object: ERROR:
> inv_open: large
> object 48217896 not found
>
After doing a bunch of testing and experimenting, we're pretty sure that the
problem we were having is due to the large objects being deleted while the
pg_dump was running. The entire pg_dump process takes about 2 hours, with
about 1 1/2 hours of that spent on blobs. My question is this: How are other
PostgreSQL users with constant large object insertions/deletions handling
their backup process? (And is this something that I missed in documentation
somewhere?)
Is this a problem that is handled differently in PostgreSQL 8?
Thanks,
-ron
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