Kalai R <softlinne...@gmail.com> writes:
> I am using postgresql 9.3 in Windows. I take data backup using pg_dump. The
> backup file size is 5 MB only. After that I insert 8 images using large
> object.
> The total size of 8 images are 24 MB. After insert large object only, I
> take data backup using pg_dump. Now the backup file size becomes 246 MB.
The size of the output file will be about twice the length of the large
object(s), since plain-text pg_dump format prints the large object
contents in hex. I'd take a second look at exactly how you inserted
the large objects; it seems highly likely that you inserted them multiple
times or bloated their contents somehow.
regards, tom lane
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