[ZODB-Dev] Re: POSKeyError

Dieter Maurer dieter at handshake.de
Wed Mar 30 11:59:01 EST 2005


Tim Peters wrote at 2005-3-30 08:39 -0500:
>...
>[Dieter Maurer]
>> The last packing bug was some time in the past. With current Zope
>> versions, there is no known packing bug.
>
>It's not that packing introduces new problems, it's that packing isn't an
>error recovery procedure:  if the POSKeyErrors persist after the pack, then
>packing will have destroyed some amount of original evidence forever,
>potentially making it that much harder for someone to figure out how to
>repair the POSKeyErrors.

Thus, the person who fears his storage gets too huge makes
a backup copy (for analysis) and then packs the production storage.

I do not advocate packing as an error recovery procedure.
It is just that isolated POSKeyErrors need not to prevent
packing.

-- 
Dieter


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