Package org.apache.iotdb.db.engine.compaction.cross.utils

Class ReadPointCrossCompactionEstimator

java.lang.Object

org.apache.iotdb.db.engine.compaction.cross.utils.AbstractCompactionEstimator

org.apache.iotdb.db.engine.compaction.cross.AbstractCrossSpaceEstimator

org.apache.iotdb.db.engine.compaction.cross.utils.ReadPointCrossCompactionEstimator

public class ReadPointCrossCompactionEstimator
extends AbstractCrossSpaceEstimator

Field Summary

Fields inherited from class org.apache.iotdb.db.engine.compaction.cross.utils.AbstractCompactionEstimator

fileReaderCache

Constructor Summary

Constructors

Constructor	Description
ReadPointCrossCompactionEstimator()

Method Summary

Modifier and Type	Method	Description
long	estimateCrossCompactionMemory(java.util.List<TsFileResource> seqResources, TsFileResource unseqResource)	Estimate the memory cost of compacting the unseq file and its corresponding overlapped seq files in cross space compaction task.

Methods inherited from class org.apache.iotdb.db.engine.compaction.cross.AbstractCrossSpaceEstimator

estimateInnerCompactionMemory

Methods inherited from class org.apache.iotdb.db.engine.compaction.cross.utils.AbstractCompactionEstimator

clear, getFileReader

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadPointCrossCompactionEstimator

public ReadPointCrossCompactionEstimator()

Method Detail

estimateCrossCompactionMemory

public long estimateCrossCompactionMemory(java.util.List<TsFileResource> seqResources,
                                          TsFileResource unseqResource)
                                   throws java.io.IOException

Description copied from class: AbstractCompactionEstimator

Estimate the memory cost of compacting the unseq file and its corresponding overlapped seq files in cross space compaction task.

Specified by:

estimateCrossCompactionMemory in class AbstractCrossSpaceEstimator

Throws:

java.io.IOException