I expect this and bug 27064 are related.
The de wiki thread isn't running atm, I will restart it once I know what
is up with this issue. I hope to look at it a bit later today.
Στις 31-01-2011, ημέρα Δευ, και ώρα 15:34 +0100, ο/η Andreas Meier
there seems to be a problem with the current jawiki-dump. The size of the complete
history dump is only 4.3 GB, but the size of the dump before was 19 GB.
Another issue: Acccording to http://wikitech.wikimedia.org/view/Dumps#Worker_nodes
shoulde be 3 threads for the large dumps, but since a few days there are only 2 running