Package org.apache.cassandra.index.sai.metrics

Class ColumnQueryMetrics.BalancedTreeIndexMetrics

java.lang.Object

org.apache.cassandra.index.sai.metrics.AbstractMetrics

org.apache.cassandra.index.sai.metrics.ColumnQueryMetrics

org.apache.cassandra.index.sai.metrics.ColumnQueryMetrics.BalancedTreeIndexMetrics

All Implemented Interfaces:

QueryEventListener.BalancedTreeEventListener

Enclosing class:

ColumnQueryMetrics

public static class ColumnQueryMetrics.BalancedTreeIndexMetrics
extends ColumnQueryMetrics
implements QueryEventListener.BalancedTreeEventListener

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.index.sai.metrics.ColumnQueryMetrics

ColumnQueryMetrics.BalancedTreeIndexMetrics, ColumnQueryMetrics.TrieIndexMetrics

Field Summary

Fields inherited from class org.apache.cassandra.index.sai.metrics.AbstractMetrics

keyspace, table, tracked, TYPE

Constructor Summary

Constructors

Constructor	Description
BalancedTreeIndexMetrics(IndexIdentifier indexIdentifier)

Method Summary

Modifier and Type	Method	Description
void	onIntersectionComplete(long intersectionTotalTime, TimeUnit unit)	Per-segment balanced tree index intersection time in given units.
void	onIntersectionEarlyExit()	When an intersection exits early due to the query shape being completely outside the min/max range.
void	onSegmentHit()	When query potentially matches value range within a segment, and we need to do a traversal.
QueryEventListener.PostingListEventListener	postingListEventListener()	Returns events listener for balanced tree postings.
void	postingListsHit(int count)	How many balanced tree posting list were matched during the intersection.

Methods inherited from class org.apache.cassandra.index.sai.metrics.AbstractMetrics

createMetricName, createMetricName, release

Methods inherited from class java.lang.Object

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

Constructor Details

BalancedTreeIndexMetrics

public BalancedTreeIndexMetrics(IndexIdentifier indexIdentifier)

Method Details

onIntersectionComplete

public void onIntersectionComplete(long intersectionTotalTime,
 TimeUnit unit)

Description copied from interface: QueryEventListener.BalancedTreeEventListener

Per-segment balanced tree index intersection time in given units. Recorded when intersection completes.

Specified by:

onIntersectionComplete in interface QueryEventListener.BalancedTreeEventListener

onIntersectionEarlyExit

public void onIntersectionEarlyExit()

Description copied from interface: QueryEventListener.BalancedTreeEventListener

When an intersection exits early due to the query shape being completely outside the min/max range.

Specified by:

onIntersectionEarlyExit in interface QueryEventListener.BalancedTreeEventListener

postingListsHit

public void postingListsHit(int count)

Description copied from interface: QueryEventListener.BalancedTreeEventListener

How many balanced tree posting list were matched during the intersection.

Specified by:

postingListsHit in interface QueryEventListener.BalancedTreeEventListener

onSegmentHit

public void onSegmentHit()

Description copied from interface: QueryEventListener.BalancedTreeEventListener

When query potentially matches value range within a segment, and we need to do a traversal.

Specified by:

onSegmentHit in interface QueryEventListener.BalancedTreeEventListener

postingListEventListener

public QueryEventListener.PostingListEventListener postingListEventListener()

Description copied from interface: QueryEventListener.BalancedTreeEventListener

Returns events listener for balanced tree postings.

Specified by:

postingListEventListener in interface QueryEventListener.BalancedTreeEventListener