Re: Proposal for 9.1: WAL streaming from WAL buffers
| От | Robert Haas |
|---|---|
| Тема | Re: Proposal for 9.1: WAL streaming from WAL buffers |
| Дата | |
| Msg-id | AANLkTimQ1tbfFrN-iwGywFvV5l7kpGHMdE3C26Z5KQEa@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Proposal for 9.1: WAL streaming from WAL buffers (Fujii Masao <masao.fujii@gmail.com>) |
| Ответы |
Re: Proposal for 9.1: WAL streaming from WAL buffers
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| Список | pgsql-hackers |
On Mon, Jun 14, 2010 at 8:41 AM, Fujii Masao <masao.fujii@gmail.com> wrote: > On Mon, Jun 14, 2010 at 8:10 PM, Robert Haas <robertmhaas@gmail.com> wrote: >> Maybe. That sounds like a pretty enormous foot-gun to me, considering >> that we have no way of recovering from the situation where the standby >> gets ahead of the master. > > No, we can do that by reconstructing the standby from the backup. > > And, that situation is not a problem for users including me who prefer to > perform a failover when the master goes down. You don't get to pick - if a backend crashes on the master, it will restart right away and come up, but the slave will now be hosed... -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company
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