| From: | "Harald Armin Massa" <haraldarminmassa(at)gmail(dot)com> |
|---|---|
| To: | "Rainer Bauer" <usenet(at)munnin(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Data transfer very slow when connected via DSL |
| Date: | 2007-06-22 10:24:16 |
| Message-ID: | 7be3f35d0706220324n1b8a41e1q7d235970044da689@mail.gmail.com |
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| Lists: | pgsql-performance |
Rainer,
>I did not find a solution so far; and for bulk data transfers I now
> >programmed a workaround.
>
> But that is surely based on some component installed on the server, isn't
> it?
>
Correct. I use a pyro-remote server. On request this remote server copies
the relevant rows into a temporary table, uses a copy_to Call to push them
into a StringIO-Objekt (that's Pythons version of "In Memory File"),
serializes that StringIO-Objekt, does a bz2-compression and transfers the
whole block via VPN.
I read on in this thread, and I scheduled to check on psycopg2 and what it
is doing with cursors.
Harald
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