Runtime Statistics

Applications can call the following APIs to know how much database memory is left or currently in use, to display detailed information regarding the memory usage of indexes, and to register allocation callback functions to monitor dynamic memory usage.

mco_db_free_pages	Return the count of available pages
mco_db_total_pages	Returns the count of pages in the database
mco_db_page_size	Returns the database page size
mco_class_stat_get	Return statistics maintained for the specified class
mco_index_stat_num	Return the number of indexes in the database
mco_index_stat_get	Return statistics maintained for the specified index
mco_index_get_size	Return the size of the specified index
mco_ register_alloc_callback	Register a callback function that is called by the runtime when it detects low memory conditions
mco_register_disk_alloc_callback	Register a callback function with the persistent support that is called by the runtime when it detects low memory conditions

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