Package org.apache.pinot.segment.local.loader

Class TierBasedSegmentDirectoryLoader

java.lang.Object

org.apache.pinot.segment.local.loader.TierBasedSegmentDirectoryLoader

All Implemented Interfaces:

SegmentDirectoryLoader

public class TierBasedSegmentDirectoryLoader
extends Object
implements SegmentDirectoryLoader

Implementation of SegmentDirectoryLoader that can move segments across data dirs configured as storage tiers.

Constructor Summary

Constructors

Constructor	Description
TierBasedSegmentDirectoryLoader()

Method Summary

Modifier and Type	Method	Description
void	delete(SegmentDirectoryLoaderContext segmentLoaderContext)	Delete segment data on the last known tier as tracked in the tier track file.
SegmentDirectory	load(URI indexDir, SegmentDirectoryLoaderContext segmentLoaderContext)	Creates and loads the SegmentLocalFSDirectory which is the default implementation of SegmentDirectory

Methods inherited from class java.lang.Object

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

Constructor Detail

TierBasedSegmentDirectoryLoader

public TierBasedSegmentDirectoryLoader()

Method Detail

load

public SegmentDirectory load(URI indexDir,
                             SegmentDirectoryLoaderContext segmentLoaderContext)
                      throws Exception

Creates and loads the SegmentLocalFSDirectory which is the default implementation of SegmentDirectory

Specified by:

load in interface SegmentDirectoryLoader

Parameters:

indexDir - the current segment index directory

segmentLoaderContext - context for instantiation of the SegmentDirectory. The target tier set in context is used to decide which data directory to keep the segment data.

Returns:

instance of SegmentLocalFSDirectory

Throws:

Exception

delete

public void delete(SegmentDirectoryLoaderContext segmentLoaderContext)
            throws Exception

Delete segment data on the last known tier as tracked in the tier track file.

Specified by:

delete in interface SegmentDirectoryLoader

Throws:

Exception