mysqldump -u user -p jira > jira.sql
перенести jira.sql на другую машину
mysql -u user -p jira < jira.sql
SELECT table_schema "DB Name",
ROUND(SUM(data_length + index_length) / 1024 / 1024, 1) "DB Size in MB"
FROM information_schema.tables
GROUP BY table_schema;