sys Schema Views • io_read_requests • io_read • io_read_latency • io_write_requests • io_write • io_write_latency • io_misc_requests • io_misc_latency • innodb_buffer_allocated • innodb_buffer_data • innodb_buffer_free • innodb_buffer_pages • innodb_buffer_pages_hashed • innodb_buffer_pages_old • innodb_buffer_rows_cached The total number of read requests for the table. The total number of bytes read from the table. The total wait time of reads from the table. The total number of bytes written to the table. The total wait time of writes to the table. The total number of miscellaneous I/O requests for the table. The total wait time of miscellaneous I/O requests for the table. The total number of  InnoDB  buffer bytes allocated for the table. The total number of  InnoDB  data bytes allocated for the table. The total number of  InnoDB  pages allocated for the table. The total number of  InnoDB  hashed pages allocated for the table. The total number of  InnoDB  old pages allocated for the table. The total number of  InnoDB  cached rows for the table. The total number of write requests for the table. The total number of  InnoDB  nondata bytes allocated for the table ( innodb_buffer_allocated − innodb_buffer_data ). 5167