Library Version 18.1.40

DB_ENV->set_mp_pagesize()
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DB_ENV->set_mp_pagesize() 

#include <db.h>

int
DB_ENV->set_mp_pagesize(DB_ENV *dbenv, u_int32_t pagesize);

The DB_ENV->set_mp_pagesize() method sets the pagesize used to allocate the hash table and the number of mutexes expected to be needed by the buffer pool.

This method may be called only before the environment is opened.

Parameters

pagesize

The pagesize parameter specifies expected page size use. Generally, it is set to the expected average page size for all the data pages that are in the buffer pool.

Class

DB_ENV, DB_MPOOLFILE

See Also

Memory Pools and Related Methods, DB_ENV->get_mp_pagesize()

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DB_ENV->set_mp_mtxcount()   Home   DB_ENV->set_mp_tablesize()