Here's the MySQL output, if anyone has any suggestions:
Version: '10.1.44-MariaDB-0ubuntu0.18.04.1' socket: '/var/run/mysqld/mysqld.sock' port: 3306 Ubuntu 18.04
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: innodb_empty_free_list_algorithm has been changed to legacy because of small buffer pool size. In order to use backoff, increase buffer pool at least up to 20MB.
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: The InnoDB memory heap is disabled
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Using Linux native AIO
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Using SSE crc32 instructions
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Completed initialization of buffer pool
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: Highest supported file format is Barracuda.
2020-04-07 10:43:29 140275347807360 [Note] InnoDB: The log sequence number 19689656471 in ibdata file do not match the log sequence number 19689660495 in the ib_logfiles!
2020-04-07 10:43:45 140275347807360 [Note] InnoDB: Processed 23419 .ibd/.isl files
2020-04-07 10:44:01 140275347807360 [Note] InnoDB: Processed 47971 .ibd/.isl files
2020-04-07 10:44:17 140275347807360 [Note] InnoDB: Processed 73755 .ibd/.isl files
2020-04-07 10:44:33 140275347807360 [Note] InnoDB: Processed 101211 .ibd/.isl files
2020-04-07 10:44:49 140275347807360 [Note] InnoDB: Processed 127369 .ibd/.isl files
2020-04-07 10:45:05 140275347807360 [Note] InnoDB: Processed 153527 .ibd/.isl files
2020-04-07 10:45:21 140275347807360 [Note] InnoDB: Processed 179058 .ibd/.isl files
2020-04-07 10:45:37 140275347807360 [Note] InnoDB: Processed 204831 .ibd/.isl files
2020-04-07 10:45:53 140275347807360 [Note] InnoDB: Processed 231539 .ibd/.isl files
2020-04-07 10:46:05 140275347807360 [Note] InnoDB: Restoring possible half-written data pages from the doublewrite buffer...
2020-04-07 10:46:05 140275347807360 [Note] InnoDB: Read redo log up to LSN=19689660928
2020-04-07 10:54:18 140275347807360 [Note] InnoDB: 128 rollback segment(s) are active.
2020-04-07 10:54:18 140275347807360 [Note] InnoDB: Waiting for purge to start
2020-04-07 10:54:18 140275347807360 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.46-86.2 started; log sequence number 19689660495
2020-04-07 10:54:18 140271496955648 [Note] InnoDB: Dumping buffer pool(s) not yet started
2020-04-07 10:54:18 140275347807360 [Note] Plugin 'FEEDBACK' is disabled.
2020-04-07 10:54:18 140275347807360 [Note] Recovering after a crash using tc.log
2020-04-07 10:54:18 140275347807360 [Note] Starting crash recovery...
2020-04-07 10:54:18 140275347807360 [Note] Crash recovery finished.
2020-04-07 10:54:18 140275347807360 [Note] Server socket created on IP: '127.0.0.1'.
2020-04-07 10:54:18 140275347807360 [Note] /usr/sbin/mysqld: ready for connections.
Version: '10.1.44-MariaDB-0ubuntu0.18.04.1' socket: '/var/run/mysqld/mysqld.sock' port: 3306 Ubuntu 18.04