Re: performance hit for replication
От | Joshua D. Drake |
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Тема | Re: performance hit for replication |
Дата | |
Msg-id | 425BF92D.6060004@commandprompt.com обсуждение исходный текст |
Ответ на | performance hit for replication ("Matthew Nuzum" <matt.followers@gmail.com>) |
Ответы |
Re: performance hit for replication
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Список | pgsql-performance |
>So, my question is this: My server currently works great, performance wise. >I need to add fail-over capability, but I'm afraid that introducing a >stressful task such as replication will hurt my server's performance. Is >there any foundation to my fears? I don't need to replicate the archived log >data because I can easily restore that in a separate step from the nightly >backup if disaster occurs. Also, my database load is largely selects. My >application works great with PostgreSQL 7.3 and 7.4, but I'm currently using >7.3. > >I'm eager to hear your thoughts and experiences, > > Well with replicator you are going to take a pretty big hit initially during the full sync but then you could use batch replication and only replicate every 2-3 hours. I am pretty sure Slony has similar capabilities. Sincerely, Joshua D. Drake
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