From the panel site

modules/ftp/plugins/luminous/src/cache/sql/cache.mysql

@@ -0,0 +1,20 @@
+CREATE TABLE IF NOT EXISTS `luminous_cache`
+(
+  id INT NOT NULL AUTO_INCREMENT,
+  -- this is the cache ID, it's the hex representation of an MD5sum.
+  cache_id CHAR(32) NOT NULL UNIQUE,
+  -- cached output
+  output MEDIUMTEXT NOT NULL,
+ -- date of insertion
+  insert_date INT NOT NULL,
+ -- date of most recent hit
+  hit_date INT NOT NULL,
+ PRIMARY KEY (id),
+ -- we create an index on cache ID because it's what's most interesting, but in reality, we don't
+ -- usually need to worry about many bytes. 6 chars gives us 3 bytes,
+ -- or roughly 16 million combinations
+ INDEX(cache_id(6)),
+ INDEX(hit_date)
+) ENGINE = MYISAM;
+
+-- we explictly set MyISAM because at least on my Xampp installation, innodb is painfully slow