Re: BBU Cache vs. spindles - Mailing list pgsql-performance

From Kevin Grittner
Subject Re: BBU Cache vs. spindles
Date
Msg-id 4CC02A520200002500036C14@gw.wicourts.gov
Whole thread Raw
In response to Re: BBU Cache vs. spindles  (Bruce Momjian <bruce@momjian.us>)
Responses Re: BBU Cache vs. spindles  (Bruce Momjian <bruce@momjian.us>)
List pgsql-performance
Bruce Momjian <bruce@momjian.us> wrote:

> With a BBU you can turn off full_page_writes

My understanding is that that is not without risk.  What happens if
the WAL is written, there is a commit, but the data page has not yet
been written to the controller?  Don't we still have a torn page?

-Kevin

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