[volunteergrid2-l] Stats gatherer suddenly stopped working

[Christoph Langguth]

Am 02.07.2012 17:23, schrieb Peter Secor:
> This looks like one of the files is corrupted, it's happened to me a
> couple times when one of them gets truncated but the node doesn't know
> how to start if it is zero length. Let me check ... hmmm, I can't find
> the ticket in a quick search, but I think it was breaking in the <tahoe
> home>/storage/*.state files that were somehow corrupted. They can be
> safely removed and will regenerate when the node is restarted.
>

Thanks, Peter!

It seems like the reason was indeed the stats.pickle file being of 
length 0 for some obscure reason. Removing the file results in a correct 
startup, but unfortunately this also killed all of the stats on 
https://vg2-stats.rosenkeller.org/ :-(

I then restored the file from the latest existing backup (it was only 
110 kB in size, so a crash because the file has grown over some limit is 
rather improbable) -- the displays should hopefully "normalize" again in 
the next few days (except for the 1-day gap, of course).

I'll keep an eye on this. I hope it won't be happening too often, but if 
it does, then maybe some kind of workaround is needed...

Cheers,
Chris

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