Data Loss resulting from Compacting

Kent James kent at
Sun Sep 9 00:00:08 UTC 2012

Sorry you guys aren't at Mozcamp Europe!

A number of us are following which gives a 
possible path for dataloss in compact in certain error cases. The bug 
comments are quite long due to, shall we say, the inexperience of the 
author, but the technical issues are real. I am determined to get a 
patch for this landed by at least Thunderbird 17.

In the long run, this is one of the reasons that we would like to switch 
to maildir as a default file format, as that format does not need 
compacting. Unfortunately this will not be ready for Thunderbird 17, 
though it is close, so that may mean with the new release plans that it 
would not be until Thunderbird 24 in September 2013 that this would be 
available for common use.


On 9/7/2012 10:42 PM, Vincent wrote:
> 2012/9/8 Unicorn.Consulting < at 
> < at>>
>     The only common links appear to be AVG anti virus,  while not
>     reported in every case it appears in a very significant number,
> I would add that the fact that 34 on the 37 users who filled the 
> survey are using a POP account...
> Full results are available here: 
> <%20>
> On Geckozone, I see in average 2 or 3 users reporting this issue per 
> week, which is very hight on our forums... Recent threads:
> 31/08/2012 -dossier courrier entrant vidé par compacter 
> <>
> 03/09/2012 - Perte de messages suite à compactage compte POP+AVG 
> <>
> 05/09/2012 - Disparition courrier entrant [compactage+AVG] 
> <>
> This is problem number one for Thunderbird, from my supporter point of 
> view.
> -- 
> Vincent (caméléon)
> _______________________________________________
> tb-planning mailing list
> tb-planning at

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