#include <db.h>

int
DB_SEQUENCE->set_cachesize(DB_SEQUENCE *seq, u_int32_t size);  

Configure the number of elements cached by a sequence handle.

The DB_SEQUENCE->set_cachesize() method may not be called after the DB_SEQUENCE->open() method is called.

The DB_SEQUENCE->set_cachesize() method returns a non-zero error value on failure and 0 on success.