( innodb_buffer_pool_size / _ram ) = 16M / 4096M = 0.39% -- % of RAM used for InnoDB buffer_pool
( Innodb_pages_read / Innodb_buffer_pool_read_requests ) = 223,888 / 7010878 = 3.2% -- Read requests that had to hit disk
( Innodb_pages_written / Innodb_buffer_pool_write_requests ) = 89,477 / 395404 = 22.6% -- Write requests that had to hit disk
-- Since you have converted to InnoDB, set innodb_buffer_pool_size=1500M and key_buffer_size=20M
--
http://mysql.rjweb.org/doc.php/memory
( slow_query_log ) = OFF -- Whether to log slow queries. (5.1.12)
( long_query_time ) = 10.000000 = 10 -- Cutoff (Seconds) for defining a "slow" query.
-- Suggest ON and 2
( Uptime_since_flush_status ) = 2,042 -- How long (in seconds) since FLUSH STATUS (or server startup).
( Uptime ) = 2,042 -- How long (in seconds) the server has been running.
-- GLOBAL STATUS has not been gathered long enough to get reliable suggestions for many of the issues. Fix what you can, then come back with a new SHOW GLOBAL STATUS in a several hours.
max_connections = 600
-- Seems high.