Package org.apache.druid.server.compaction

Class NewestSegmentFirstPolicy

java.lang.Object

org.apache.druid.server.compaction.BaseCandidateSearchPolicy

org.apache.druid.server.compaction.NewestSegmentFirstPolicy

All Implemented Interfaces:

CompactionCandidateSearchPolicy

public class NewestSegmentFirstPolicy
extends BaseCandidateSearchPolicy

Implementation of CompactionCandidateSearchPolicy that prioritizes intervals which have the latest data.

Constructor Summary

Constructors

Constructor	Description
NewestSegmentFirstPolicy(String priorityDatasource)

Method Summary

Modifier and Type	Method	Description
protected Comparator<CompactionCandidate>	getSegmentComparator()	Compares between two compaction candidates.

Methods inherited from class org.apache.druid.server.compaction.BaseCandidateSearchPolicy

compareCandidates, equals, getPriorityDatasource, hashCode, isEligibleForCompaction

Methods inherited from class java.lang.Object

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

Constructor Details

NewestSegmentFirstPolicy

public NewestSegmentFirstPolicy(@Nullable
 String priorityDatasource)

Method Details

getSegmentComparator

protected Comparator<CompactionCandidate> getSegmentComparator()

Description copied from class: BaseCandidateSearchPolicy

Compares between two compaction candidates. Used to determine the order in which segments and intervals should be picked for compaction.

Specified by:

getSegmentComparator in class BaseCandidateSearchPolicy