Is it possible for DB corruption to be replicated?
In other words, if a master replica's DB goes corrupt, how likely is that to
corrupt the DB on the consumers (if at all)?
Thanks,
-- George
----- Original Message -----
From: "David Boreham" <david_list@xxxxxxxxxxx>
To: "General discussion list for the Fedora Directory server project."
<fedora-directory-users@xxxxxxxxxx>
Sent: Wednesday, January 10, 2007 8:07 AM
Subject: Re: big searches dont return anything
Stéphane Konstantaropoulos wrote:
It'd be nice if it noticed by itself that the db is corrupted.
Unfortunately that's something of an AI problem :(
There is some code in the server that can compare the
results of an indexed vs an unindexed execution of the same
query (used in the past to debug query optimizations). Someone
could develop that into a kind of index inconsistency tool.
All out corruption (someone writes random c**p over the
database pages _will_ be detected). It sounds like you had
some inconsistency between the primary and secondary
indices. I'm not sure how that could have happened
(it shouldn't).
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