So the particular crash issues we were having were not your typical MySQL crashes (which, as you correctly point out, are usually hardware-related), they were d

So the particular crash issues we were having were not your typical MySQL crashes (which, as you correctly point out, are usually hardware-related), they were definitely software-related with ndb. Which is obviously a huge problem, especially as the data was unrecoverable. Before moving to NDB and after migrating from it, we had a solid single MySQL instance on the same hardware. Oh, the joys of premature optimization :)