If you are carefully watching my WIS sync monitor
https://twitter.com/wissync
you might noticed that the differences between the record counts for the set
WIS-GISC-BEIJING among GISCs are significantly reduced. On 15Z yesterday
all diffs are tens of thousands (23701, 23701, 61244, 61130 in
http://toyoda-eizi.net/za/hist2013W05.zip/20130207T15/DIFF.html), now they
are one order smaller (3437, 3330, 1221, 1070 in
http://toyoda-eizi.net/za/hist2013W05.zip/20130208T06/DIFF.html).
That is due to (past poor) maintenance of the monitoring system.
I'm only doing "incremental harvesting" from Beijing OAI-PMH server, since
full download needs too much time. That should work, but sometimes fails to
keep past records (in my side) or fails to harvest updates. I'm also
running automatic diff-harvester triggered from the monitor, and these days
it starts deleting records from WIS-GISC-BEIJING at GISC Tokyo database.
I've checked it really does the right thing, and the diff is updated as a
result. Sorry for poor maintenance these days.
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