Class ValueStoreWalConfig

java.lang.Object

org.eclipse.rdf4j.sail.nativerdf.wal.ValueStoreWalConfig

public final class ValueStoreWalConfig
extends Object

Configuration for the ValueStore WAL implementation.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	ValueStoreWalConfig.Builder
static enum	ValueStoreWalConfig.SyncPolicy	Controls when the WAL writer flushes buffered frames to disk and when it invokes FileChannel.force(boolean) to guarantee durability.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_DIRECTORY_NAME

Method Summary

Modifier and Type	Method	Description
int	batchBufferBytes()
static ValueStoreWalConfig.Builder	builder()
Duration	idlePollInterval()
long	maxSegmentBytes()
int	queueCapacity()
boolean	recoverValueStoreOnOpen()	When true, the ValueStore will attempt to reconstruct missing or empty ValueStore files from the WAL during open before allowing any operations.
Path	snapshotsDirectory()
String	storeUuid()
boolean	syncBootstrapOnOpen()	When true, the ValueStore will synchronously rebuild the WAL from existing values during open before allowing any new values to be added.
Duration	syncInterval()
ValueStoreWalConfig.SyncPolicy	syncPolicy()
Path	walDirectory()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_DIRECTORY_NAME

public static final String DEFAULT_DIRECTORY_NAME

See Also:

• Constant Field Values

Method Details

walDirectory

public Path walDirectory()

snapshotsDirectory

public Path snapshotsDirectory()

storeUuid

public String storeUuid()

maxSegmentBytes

public long maxSegmentBytes()

queueCapacity

public int queueCapacity()

batchBufferBytes

public int batchBufferBytes()

syncPolicy

public ValueStoreWalConfig.SyncPolicy syncPolicy()

syncInterval

public Duration syncInterval()

idlePollInterval

public Duration idlePollInterval()

syncBootstrapOnOpen

public boolean syncBootstrapOnOpen()

When true, the ValueStore will synchronously rebuild the WAL from existing values during open before allowing any new values to be added. When false (default), bootstrap runs asynchronously in the background.

recoverValueStoreOnOpen

public boolean recoverValueStoreOnOpen()

When true, the ValueStore will attempt to reconstruct missing or empty ValueStore files from the WAL during open before allowing any operations.

builder

public static ValueStoreWalConfig.Builder builder()