Re: Warm standby: 1 to N
От | Bruce Momjian |
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Тема | Re: Warm standby: 1 to N |
Дата | |
Msg-id | 200906021852.n52IqQV21383@momjian.us обсуждение исходный текст |
Ответ на | Warm standby: 1 to N (Yaroslav Tykhiy <yar@barnet.com.au>) |
Ответы |
Re: Warm standby: 1 to N
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Список | pgsql-general |
Yaroslav Tykhiy wrote: > Hi All, > > Let's consider the following case: WAL segments from a master have > been shipped to N warm standby servers, and now the master fails. > Using this or that mechanism, one of the warm standbys takes over and > becomes the new master. Now the question is what to do with the other > N-1 warm standbys. By the failure, all N warm standbys were the same > exact copies of the master. So at least in theory, the N-1 warm > standbys left can be fed with WAL segments from the new master. Do > you think it will work in practice? Are there any pitfalls? I think it should work. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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