We have further efficiency improvements to test right now
The problem got even worse from that point on. There was an issue when the D2R Items servers came back on the internet, but they came back online at a time where the majority of players were online. So even though the servers returned quickly, they crashed almost straight away as soon as several hundred thousand Diablo 2 instances fired up. And if the weekend was not great The next day and Tuesday wasn't much better. will bring us to Monday October 11, when we made the switch between the global databases. This resulted in another outage, this time when the backup database was incorrectly continuing to run its backup process. This meant that it spent most of its time trying copying from the other database when it should've been servicing requests from servers. During this time, we discovered further issues, and we made further improvements-we found a since-deprecated-but-taxing query we could eliminate entirely from the database, we optimised eligibility checks for players whe...