SQL> select name,value
2 from v$sysstat
3 where name like 'table scans%'
4 ;

NAME VALUE
----------------------------------------------------------------
table scans (short tables) 6599797
table scans (long tables) 14003
table scans (rowid ranges) 0
table scans (cache partitions) 0
table scans (direct read) 0

SQL> show parameter db_file_multiblock_read_count

NAME TYPE VALUE
------------------------------------ ------- --------------
db_file_multiblock_read_count integer 32

should i increase db_file_multiblock_read_count and how much it is needed to be increased?