Package org.apache.druid.segment.metadata

Class Metric

java.lang.Object

org.apache.druid.segment.metadata.Metric

public class Metric
extends Object

Metrics related to SegmentSchemaCache, SegmentSchemaManager, and IndexingStateCache.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	BACKFILL_DURATION_MILLIS
static final String	BROKER_POLL_DURATION_MILLIS
static final String	BROKER_POLL_FAILED
static final String	BROKER_SEGMENTS_SKIPPED_REFRESH
static final String	CACHE_MISSES
static final String	COLD_SCHEMA_REFRESH_DURATION_MILLIS
static final String	COLD_SEGMENT_SCHEMAS
static final String	DATASOURCE_REMOVED
static final String	INDEXING_STATE_CACHE_FINGERPRINTS
static final String	INDEXING_STATE_CACHE_HITS
static final String	INDEXING_STATE_CACHE_MISSES
static final String	REALTIME_SEGMENT_SCHEMAS
static final String	REFRESH_DURATION_MILLIS
static final String	REFRESH_SKIPPED_TOMBSTONES
static final String	REFRESHED_SEGMENTS
static final String	SCHEMA_ROW_SIGNATURE_CHANGED
static final String	SCHEMA_ROW_SIGNATURE_COLUMN_COUNT
static final String	SCHEMAS_BACKFILLED
static final String	SCHEMAS_PENDING_BACKFILL
static final String	STARTUP_DURATION_MILLIS
static final String	USED_COLD_SEGMENTS	Number of used cold segments in the metadata store.
static final String	USED_SEGMENT_SCHEMA_FINGERPRINTS
static final String	USED_SEGMENT_SCHEMAS

Constructor Summary

Constructors

Constructor	Description
Metric()

Method Summary

Methods inherited from class java.lang.Object

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

Field Details

CACHE_MISSES

public static final String CACHE_MISSES

See Also:

• Constant Field Values

REALTIME_SEGMENT_SCHEMAS

public static final String REALTIME_SEGMENT_SCHEMAS

See Also:

• Constant Field Values

USED_SEGMENT_SCHEMAS

public static final String USED_SEGMENT_SCHEMAS

See Also:

• Constant Field Values

COLD_SEGMENT_SCHEMAS

public static final String COLD_SEGMENT_SCHEMAS

See Also:

• Constant Field Values

USED_SEGMENT_SCHEMA_FINGERPRINTS

public static final String USED_SEGMENT_SCHEMA_FINGERPRINTS

See Also:

• Constant Field Values

SCHEMAS_PENDING_BACKFILL

public static final String SCHEMAS_PENDING_BACKFILL

See Also:

• Constant Field Values

BACKFILL_DURATION_MILLIS

public static final String BACKFILL_DURATION_MILLIS

See Also:

• Constant Field Values

SCHEMAS_BACKFILLED

public static final String SCHEMAS_BACKFILLED

See Also:

• Constant Field Values

COLD_SCHEMA_REFRESH_DURATION_MILLIS

public static final String COLD_SCHEMA_REFRESH_DURATION_MILLIS

See Also:

• Constant Field Values

BROKER_POLL_DURATION_MILLIS

public static final String BROKER_POLL_DURATION_MILLIS

See Also:

• Constant Field Values

BROKER_POLL_FAILED

public static final String BROKER_POLL_FAILED

See Also:

• Constant Field Values

BROKER_SEGMENTS_SKIPPED_REFRESH

public static final String BROKER_SEGMENTS_SKIPPED_REFRESH

See Also:

• Constant Field Values

STARTUP_DURATION_MILLIS

public static final String STARTUP_DURATION_MILLIS

See Also:

• Constant Field Values

REFRESHED_SEGMENTS

public static final String REFRESHED_SEGMENTS

See Also:

• Constant Field Values

REFRESH_SKIPPED_TOMBSTONES

public static final String REFRESH_SKIPPED_TOMBSTONES

See Also:

• Constant Field Values

REFRESH_DURATION_MILLIS

public static final String REFRESH_DURATION_MILLIS

See Also:

• Constant Field Values

DATASOURCE_REMOVED

public static final String DATASOURCE_REMOVED

See Also:

• Constant Field Values

SCHEMA_ROW_SIGNATURE_CHANGED

public static final String SCHEMA_ROW_SIGNATURE_CHANGED

See Also:

• Constant Field Values

SCHEMA_ROW_SIGNATURE_COLUMN_COUNT

public static final String SCHEMA_ROW_SIGNATURE_COLUMN_COUNT

See Also:

• Constant Field Values

USED_COLD_SEGMENTS

public static final String USED_COLD_SEGMENTS

Number of used cold segments in the metadata store.

See Also:

• Constant Field Values

INDEXING_STATE_CACHE_HITS

public static final String INDEXING_STATE_CACHE_HITS

See Also:

• Constant Field Values

INDEXING_STATE_CACHE_MISSES

public static final String INDEXING_STATE_CACHE_MISSES

See Also:

• Constant Field Values

INDEXING_STATE_CACHE_FINGERPRINTS

public static final String INDEXING_STATE_CACHE_FINGERPRINTS

See Also:

• Constant Field Values

Constructor Details

Metric

public Metric()