From: | Doug McNaught <doug(at)wireboard(dot)com> |
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To: | Joseph Shraibman <jks(at)selectacast(dot)net> |
Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Re: Backups WAS: 2 gig file size limit |
Date: | 2001-07-10 00:51:47 |
Message-ID: | m3ith14ndo.fsf@belphigor.mcnaught.org |
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Lists: | pgsql-general pgsql-hackers pgsql-jdbc pgsql-patches |
[HACKERS removed from CC: list]
Joseph Shraibman <jks(at)selectacast(dot)net> writes:
> Doing a dumpall for a backup is taking a long time, the a restore from
> the dump files doesn't leave the database in its original state. Could
> a command be added that locks all the files, quickly tars them up, then
> releases the lock?
As I understand it, pg_dump runs inside a transaction, so the output
reflects a consistent snapshot of the database as of the time the dump
starts (thanks to MVCC); restoring will put the database back to where
it was at the start of the dump.
Have you observed otherwise?
-Doug
--
The rain man gave me two cures; he said jump right in,
The first was Texas medicine--the second was just railroad gin,
And like a fool I mixed them, and it strangled up my mind,
Now people just get uglier, and I got no sense of time... --Dylan
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