Originally posted by sunkutup
What is best method to increase the db_block_buffers and db_block_lru_latches without encountering error.

This area has shown to affect the database perfomance.
Set db_block_lru_latches to 6 times the CPUs. If you have 1 CPU, then setting db_block_lru_latches to 6 will not help much.

How much memory do you have? What do you have now for db_block_buffers?