| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Bruce Momjian <bruce(at)momjian(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: pg_start_backup and pg_stop_backup Re: Re: [COMMITTERS] pgsql: Make CheckRequiredParameterValues() depend upon correct |
| Date: | 2010-04-30 18:47:01 |
| Message-ID: | 13606.1272653221@sss.pgh.pa.us |
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Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> writes:
> Bruce Momjian wrote:
>> Should we allow -1 to mean "keep all segments"?
> Umm, you can't keep all segments around forever, can you? Surely you
> have to recycle them sooner or later or you will run out of disk space.
You couldn't use that as a permanent setting, but it can make sense
as a transient setting, rather than having to guess how much WAL you'll
need to keep while setting up a new standby.
> In practice, you can just set wal_keep_segments to some ridiculously
> high value to achieve the same result.
True.
regards, tom lane
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