Re: Geographic High-Availability/Replication
От | Markus Schiltknecht |
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Тема | Re: Geographic High-Availability/Replication |
Дата | |
Msg-id | 46CF0D4B.2050205@bluegap.ch обсуждение исходный текст |
Ответ на | Re: Geographic High-Availability/Replication (Gregory Stark <stark@enterprisedb.com>) |
Ответы |
Re: Geographic High-Availability/Replication
Re: Geographic High-Availability/Replication |
Список | pgsql-general |
Hi, Gregory Stark wrote: > Only if your application is single-threaded. By single-threaded I don't refer > to operating system threads but to the architecture. If you're processing a > large batch file handling records one by one and waiting for each commit > before proceeding then it's single threaded. If you have a hundred independent > clients on separate connections doing separate things then each one of them > could get 6tps. Which you have will depend on your application and your needs, > it may not be something you can change. Correct. Plus, as in the implementation of Postgres-R, performance is *not* bound to the slowest node. Instead, every node can process transactions at it's own speed. Slower nodes might then have to queue transactions from those until they catch up again. Regards Markus
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