Re: [PATCH] COPY .. COMPRESSED

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От
Stephen Frost
Тема
Re: [PATCH] COPY .. COMPRESSED
Дата
Msg-id
20130115023339.GO16126@tamriel.snowman.net
Ответ на
Список
Дерево обсуждения
[PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Tom Lane <tgl@sss.pgh.pa.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Simon Riggs <simon@2ndQuadrant.com>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Tom Lane <tgl@sss.pgh.pa.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Peter Eisentraut <peter_e@gmx.net>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Claudio Freire <klaussfreire@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Claudio Freire <klaussfreire@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Greg Stark <stark@mit.edu>
Re: [PATCH] COPY .. COMPRESSED Garick Hamlin <ghamlin@isc.upenn.edu>
Re: [PATCH] COPY .. COMPRESSED Robert Haas <robertmhaas@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Claudio Freire <klaussfreire@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Peter Eisentraut <peter_e@gmx.net>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Bruce Momjian <bruce@momjian.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Tom Lane <tgl@sss.pgh.pa.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Tom Lane <tgl@sss.pgh.pa.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Tom Lane <tgl@sss.pgh.pa.us>
Re: [PATCH] COPY .. COMPRESSED Tom Lane <tgl@sss.pgh.pa.us>
Re: [PATCH] COPY .. COMPRESSED Andrew Dunstan <andrew@dunslane.net>
Re: [PATCH] COPY .. COMPRESSED Claudio Freire <klaussfreire@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Robert Haas <robertmhaas@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Bruce Momjian <bruce@momjian.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Claudio Freire <klaussfreire@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Peter Eisentraut <peter_e@gmx.net>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Christopher Browne <cbbrowne@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Bruce Momjian <bruce@momjian.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Bruce Momjian <bruce@momjian.us>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Stephen Frost <sfrost@snowman.net>
Re: [PATCH] COPY .. COMPRESSED Robert Haas <robertmhaas@gmail.com>
Re: [PATCH] COPY .. COMPRESSED Christopher Browne <cbbrowne@gmail.com>
* Peter Eisentraut (peter_e@gmx.net) wrote:
> On 1/14/13 11:28 AM, Stephen Frost wrote:
> > While there is no option currently for having the server do the
> > compression before sending the data over the wire.
> 
> OpenSSL?

To be honest, I expected that to come up earlier in this discussion.
It'd be redundant to use OpenSSL for compression and then ALSO do
compression on the client side to save into a custom format dump.
There's also plenty of reasons to not want to deal with OpenSSL just to
have compression support.  Now, protocol-level on-the-wire compression
is another option, but there's quite a few drawbacks to that and quite a
bit of work involved.  Having support for COPY-based compression could
be an answer for many cases where on-the-wire compression is desirable.

Being able to use pipe's for the backend-side of COPY is a good
solution, for that.  I'm looking forward to having it and plan to review
the patch.  That said, I'd like to find an answer to some of these other
use cases, if possible.
Thanks,
	Stephen
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