| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Petr Jelinek <petr(at)2ndquadrant(dot)com>, Simon Riggs <simon(dot)riggs(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Steve Singer <steve(at)ssinger(dot)info>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Replication identifiers, take 4 |
| Date: | 2015-04-20 08:19:56 |
| Message-ID: | 20150420081956.GA25107@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2015-04-20 11:09:20 +0300, Heikki Linnakangas wrote:
> Can you name some of the bigger problems you'd have?
Several parts of the system are O(#max_replication_slots). Having 100k
outgoing logical replication slots is going to be expensive.
Nothing unsolvable, but the 65k 16 bit limit surely isn't going to be
the biggest problem.
Greetings,
Andres Freund
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