Re: SSL Compression - doesn't work?

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Krystian Bigaj <krystian(dot)bigaj(at)gmail(dot)com>, Terence Ferraro <terencejferraro(at)gmail(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: SSL Compression - doesn't work?
Date: 2014-05-10 23:09:11
Message-ID: 536EB197.1000905@aklaver.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On 05/08/2014 09:58 PM, Krystian Bigaj wrote:
> I've build OpenSSL with zlib (perl Configure VC-WIN32 no-asm
> zlib-dynamic --prefix=...) and now compression works correctly.
>
> After executing:
> SELECT lpad('', 1024*1024, 'A')
> there is only about 13kB of TCP transfer instead of ~1MB.
>
> Thanks again!
>
> However I'm still curious why windows build doesn't have this enabled by
> default. Is it a potential compatibility issues, or just an oversight?

This probably a question for EnterpriseDB who builds the Windows
binaries. They have a forum for installer issues that might be a good
place to start:

http://forums.enterprisedb.com/forums/show/9.page

>
> I would like to see a note in docs about that issue. I've read that docs
> about sslcompression before, also I knew that PG on Windows is build
> with zlib support (for pg_dump/pg_restore), and because of this I
> wrongly assumed that OpenSSL is build with zlib too. Additionally that
> "Encryption=SSL encrypted" and "SSL Compression=yes" in pgAdmin made me
> think that it's a bug in PG.
>
> Best regards,
> Krystian Bigaj
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Tim Kane 2014-05-11 08:18:00 Partitioning such that key field of inherited tables no longer retains any selectivity
Previous Message Adrian Klaver 2014-05-10 02:58:48 Re: Receiving many more rows than expected