# Berkeley DB: Memory Pools and Related Methods

Memory Pools and Related Methods | Description
--- | ---
DbEnv::set_cachesize | Set the environment cache size
DbEnv::set_mp_mmapsize | Set maximum mapped-in database file size
DbEnv::memp_register | Register input/output functions for a file in a memory pool
DbEnv::memp_stat | Return memory pool statistics
DbEnv::memp_sync | Flush pages from a memory pool
DbEnv::memp_trickle | Trickle flush pages from a memory pool
DbEnv::memp_fcreate | Open a file in a memory pool
DbMpoolFile::close | Close a file in a memory pool
DbMpoolFile::get | Get page from a file in a memory pool
DbMpoolFile::open | Open a file in a memory pool
DbMpoolFile::put | Return a page to a memory pool
DbMpoolFile::set | Set memory pool page status
DbMpoolFile::sync | Flush pages from a file in a memory pool
DbMpoolFile::set_clear_len | Set file page bytes to be cleared
DbMpoolFile::set_fileid | Set file unique identifier
DbMpoolFile::set_ftype | Set file type
DbMpoolFile::set_lsn_offset | Set file log-sequence-number offset
DbMpoolFile::set_pgcookie | Set file cookie for pgin/pgout

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