# Berkeley DB Reference Guide: Release 3.0: memp_stat
Berkeley DB: An embedded database programmatic toolkit.
Keywords: embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++

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Berkeley DB Reference Guide:
  Upgrading Berkeley DB Applications

### Release 3.0: memp_stat

The st_refcnt field returned from the memp_stat function has been removed, and this information is no longer available.

The st_cachesize field returned from the memp_stat function has been replaced with two new fields, st_gbytes and st_bytes.

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