Re: Sync Rep: First Thoughts on Code
От | Simon Riggs |
---|---|
Тема | Re: Sync Rep: First Thoughts on Code |
Дата | |
Msg-id | 1228391866.20796.541.camel@hp_dx2400_1 обсуждение исходный текст |
Ответ на | Re: Sync Rep: First Thoughts on Code (Magnus Hagander <magnus@hagander.net>) |
Список | pgsql-hackers |
On Thu, 2008-12-04 at 12:41 +0100, Magnus Hagander wrote: > > Understood. Is the periodic renegotiation of keys something that would > > interfere with the performance or robustness of replication? Is the > > delay likely to effect sync rep? I'm just checking we've thought about > > it. > > It will certainly add an extra piece of delay. But if you are worried > about performance for it, you are likely not running SSL. Plus, if you > don't renegotiate the key, you gamble with security. > > If it does have a negative effect on the robustness of the replication, > we should just recommend against using it - or refuse to use - not > disable renegotiation. I didn't mean to imply renegotiation might optional. I just wanted to check whether there is anything to worry about as a result of it, there may not be. *If* it took a long time, I would not want sync commits to wait for it. -- Simon Riggs www.2ndQuadrant.comPostgreSQL Training, Services and Support
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