eG Monitoring
 

Measures reported by MySqlCacheTest

This test reports statistics pertaining to the key buffer cache in the MySql server.

Measurement Description Measurement Unit Interpretation
Key_reads The number of physical reads of a key block from the disk during the last measurement period Number A high value of this measure indicates that your key_buffer_size variable is probably too small.
Key_read_requests The number of key read requests received by the cache during the last measurement period Number  
Not_flushed_key_blocks Key blocks in the key cache that have been modified, but have not been flushed to the disk during the last measurement period Number