Per-Engine Size Usage

per-engine-size.sql

SELECT count(*) TABLES,
concat(round(sum(table_rows)/1000000,2),'M') rows,
concat(round(sum(data_length)/(1024*1024*1024),2),'G') DATA,
concat(round(sum(index_length)/(1024*1024*1024),2),'G') idx,
concat(round(sum(data_length+index_length)/(1024*1024*1024),2),'G') total_size,
round(sum(index_length)/sum(data_length),2) idxfrac, engine
FROM information_schema.TABLES
WHERE table_type != 'VIEW' AND table_schema NOT IN ('mysql', 'performance_schema', 'information_schema')
GROUP BY engine;