Package org.apache.druid.server.metrics

Class StorageMonitor

java.lang.Object

org.apache.druid.java.util.metrics.AbstractMonitor

org.apache.druid.server.metrics.StorageMonitor

All Implemented Interfaces:

Monitor

public class StorageMonitor
extends AbstractMonitor

Monitor to emit output of SegmentCacheManager.getStorageStats()

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DROP_BYTES
static final String	DROP_COUNT
static final String	LOAD_BYTES
static final String	LOAD_COUNT
static final String	LOCATION_DIMENSION
static final String	USED_BYTES
static final String	VSF_EVICT_BYTES
static final String	VSF_EVICT_COUNT
static final String	VSF_HIT_BYTES
static final String	VSF_HIT_COUNT
static final String	VSF_HOLD_BYTES
static final String	VSF_HOLD_COUNT
static final String	VSF_LOAD_BYTES
static final String	VSF_LOAD_COUNT
static final String	VSF_REJECT_COUNT
static final String	VSF_USED_BYTES

Constructor Summary

Constructors

Constructor	Description
StorageMonitor(SegmentCacheManager cacheManager, com.google.common.base.Supplier<ServiceMetricEvent.Builder> builderSupplier)

Method Summary

Modifier and Type	Method	Description
boolean	doMonitor(ServiceEmitter emitter)

Methods inherited from class org.apache.druid.java.util.metrics.AbstractMonitor

isStarted, monitor, start, stop

Methods inherited from class java.lang.Object

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

Field Details

LOCATION_DIMENSION

public static final String LOCATION_DIMENSION

See Also:

• Constant Field Values

USED_BYTES

public static final String USED_BYTES

See Also:

• Constant Field Values

LOAD_COUNT

public static final String LOAD_COUNT

See Also:

• Constant Field Values

LOAD_BYTES

public static final String LOAD_BYTES

See Also:

• Constant Field Values

DROP_COUNT

public static final String DROP_COUNT

See Also:

• Constant Field Values

DROP_BYTES

public static final String DROP_BYTES

See Also:

• Constant Field Values

VSF_USED_BYTES

public static final String VSF_USED_BYTES

See Also:

• Constant Field Values

VSF_HOLD_COUNT

public static final String VSF_HOLD_COUNT

See Also:

• Constant Field Values

VSF_HOLD_BYTES

public static final String VSF_HOLD_BYTES

See Also:

• Constant Field Values

VSF_HIT_COUNT

public static final String VSF_HIT_COUNT

See Also:

• Constant Field Values

VSF_HIT_BYTES

public static final String VSF_HIT_BYTES

See Also:

• Constant Field Values

VSF_LOAD_COUNT

public static final String VSF_LOAD_COUNT

See Also:

• Constant Field Values

VSF_LOAD_BYTES

public static final String VSF_LOAD_BYTES

See Also:

• Constant Field Values

VSF_EVICT_COUNT

public static final String VSF_EVICT_COUNT

See Also:

• Constant Field Values

VSF_EVICT_BYTES

public static final String VSF_EVICT_BYTES

See Also:

• Constant Field Values

VSF_REJECT_COUNT

public static final String VSF_REJECT_COUNT

See Also:

• Constant Field Values

Constructor Details

StorageMonitor

public StorageMonitor(SegmentCacheManager cacheManager,
 @Nullable
 com.google.common.base.Supplier<ServiceMetricEvent.Builder> builderSupplier)

Method Details

doMonitor

public boolean doMonitor(ServiceEmitter emitter)

Specified by:

doMonitor in class AbstractMonitor