From IRC #wikimedia-operations:
[20:23] <ori> matt_flaschen: thanks again [20:24] <ori> I did see this fatal in the logs: Notice: Undefined index: 1 in /srv/mediawiki/php-1.31.0-wmf.4/includes/media/FormatMetadata.php on line 744 [20:24] <ori> about 70/hr [20:25] <ori> it did not start recently