Re: very slow largeobject transfers through JDBC

I see -- we could try that, though we're mostly using an ORM (Hibernate) to
do this. Thanks!

On Fri, Aug 31, 2018 at 3:57 PM Dmitry Igrishin <dmitigr(at)gmail(dot)com> wrote:

> пт, 31 авг. 2018 г. в 16:35, Mate Varga <m(at)matevarga(dot)net>:
> >
> > Hi,
> >
> > we're fetching binary data from pg_largeobject table. The data is not
> very large, but we ended up storing it there. If I'm copying the data to a
> file from the psql console, then it takes X time (e.g. a second), fetching
> it through the JDBC driver takes at least 10x more. We don't see this
> difference between JDBC and 'native' performance for anything except
> largeobjects (and bytea columns, for the record).
> >
> > Does anyone have any advice about whether this can be tuned or what the
> cause is?
> I don't know what a reason of that, but I think it's reasonable and
> quite simple to call lo_import()/lo_export() via JNI.
>