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Berkeley DB .NET API Documentation
LogConfig..::.InMemory Field
LogConfig Class See Also Send Feedback

If true, maintain transaction logs in memory rather than on disk.

Namespace: BerkeleyDB
Assembly: libdb_dotnet50 (in libdb_dotnet50.dll) Version: 5.0.21.0

# Syntax

C#

    public bool InMemory

Visual Basic (Declaration)

    Public InMemory As Boolean

Visual C++

    public:
    bool InMemory

# Remarks

This means that transactions exhibit the ACI (atomicity, consistency, and isolation) properties, but not D (durability); that is, database integrity will be maintained, but if the application or system fails, integrity will not persist. All database files must be verified and/or restored from a replication group master or archival backup after application or system failure.

When in-memory logs are configured and no more log buffer space is available, Berkeley DB methods may throw FullLogBufferException. When choosing log buffer and file sizes for in-memory logs, applications should ensure the in-memory log buffer size is large enough that no transaction will ever span the entire buffer, and avoid a state where the in-memory buffer is full and no space can be freed because a transaction that started in the first log "file" is still active.

# See Also

LogConfig Class
BerkeleyDB Namespace