buffer busy wait & latch free ( cache buffer chain )

[VIVEK_SHARMA]

 
In report.txt we are getting the wait
"buffer busy wait" _& wait on "latch free" for "cache buffer chain"
 
Could an excessively Large db_block_buffer cause this ?
 
NOTE - Transaction OLTP in nature 
 
NOTE - freelists is set = 2* cpu_count
 
Any oher advice ?
 
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