I've been using it in production as the primary datastore on a news website with fairly high traffic (10 million+ monthly uniques, 1000s of queries per second).

I've been using it in production as the primary datastore on a news website with fairly high traffic (10 million+ monthly uniques, 1000s of queries per second). Have not encountered any issues since switching to MariaDB over a year ago. Monty's organization places a high value on well tested and stable releases.