There seem to be a few other issues going on, from CurrentDmesg.txt:
[1365111.063806] Out of memory: Kill process 32370 (mysqld) score 270 or sacrifice child
[1365111.066733] Killed process 32370 (mysqld) total-vm:1045444kB, anon-rss:134896kB, file-rss:0kB
[1365111.413214] systemd-journald[631]: Failed to save stream data /run/systemd/journal/streams/8:28796586: No space left on device
Maybe try stopping mysqld and then freeing some disk space.
There seem to be a few other issues going on, from CurrentDmesg.txt:
[1365111.063806] Out of memory: Kill process 32370 (mysqld) score 270 or sacrifice child journald[ 631]: Failed to save stream data /run/systemd/ journal/ streams/ 8:28796586: No space left on device
[1365111.066733] Killed process 32370 (mysqld) total-vm:1045444kB, anon-rss:134896kB, file-rss:0kB
[1365111.413214] systemd-
Maybe try stopping mysqld and then freeing some disk space.