I have used custom format archieve in pg_dump. I have used the following command in plpgsql function to insert the image. lo_import(xlogopath)
After I inserted one image more records are created in pg_largeobject and pg_largeobject_metadata tables other than the OID returned from lo_import On Wed, Apr 23, 2014 at 7:11 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > 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 >
