[ZODB-Dev] Reliability of 'repozo --quick' option

[Tres Seaver]

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Does anybody have evidence or belief that the "probabalistic" part of
the '--quick' optoin (as of ZODB 3.2.8, if it matters) is likely to
guess wrong on a setup where incremental backups are run frequently?

The installation in question has a moderately large filestorage (40 Gb
or so) and would like to put the backup target on a SAN, but the cost to
figure out whether to do an incremental or not is higher than doing the
full backup, due to the extra I/O overhead of the standard, "slow" method.

Before I hack the backup script up to do the incrementals against a
local directlry, I'd like to know that the '-Q' option would or wouldn't
be a viable choice.



Tres.
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Tres Seaver          +1 540-429-0999          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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