Re: [EXTERNAL] Support load balancing in libpq

Tatsuo Ishii <ishii@sraoss.co.jp>

From: Tatsuo Ishii <ishii@sraoss.co.jp>
To: daniel@yesql.se
Cc: ishii@sraoss.co.jp, postgres@jeltef.nl, stark.cfm@gmail.com, amborodin86@gmail.com, jchampion@timescale.com, orlovmg@gmail.com, Jelte.Fennema@microsoft.com, mbanck@gmx.net, aleksander@timescale.com, pgsql-hackers@postgresql.org, andres@anarazel.de
Date: 2023-03-28T07:36:18Z
Lists: pgsql-hackers
>> "unlikely" macro is used in libpq_prng_init() in the patch. I wonder
>> if the place is really 'hot' to use "unlikely" macro.
> 
> I don't think it is, I was thinking to rewrite as the below sketch:
> 
> {
>     if (pg_prng_strong_seed(&conn->prng_state)))
>         return;
> 
>     /* fallback seeding */
> }

+1.

Best reagards,
--
Tatsuo Ishii
SRA OSS LLC
English: http://www.sraoss.co.jp/index_en/
Japanese:http://www.sraoss.co.jp



Commits

  1. Fix pointer cast for seed calculation on 32-bit systems

  2. Copy and store addrinfo in libpq-owned private memory

  3. libpq: Use modern socket flags, if available.