org.apache.cassandra.io.sstable

Class IndexSummaryRedistribution

java.lang.Object

org.apache.cassandra.db.compaction.CompactionInfo.Holder

org.apache.cassandra.io.sstable.IndexSummaryRedistribution

public class IndexSummaryRedistribution
extends CompactionInfo.Holder

Constructor Summary

Constructors

Constructor and Description
IndexSummaryRedistribution(java.util.Map<TableId,LifecycleTransaction> transactions, long nonRedistributingOffHeapSize, long memoryPoolBytes)

Method Summary

Modifier and Type	Method and Description
CompactionInfo	getCompactionInfo()
boolean	isGlobal() if this compaction involves several/all tables we can safely check globalCompactionsPaused in isStopRequested() below
java.util.List<SSTableReader>	redistributeSummaries()

Methods inherited from class org.apache.cassandra.db.compaction.CompactionInfo.Holder

isStopRequested, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexSummaryRedistribution

public IndexSummaryRedistribution(java.util.Map<TableId,LifecycleTransaction> transactions,
                                  long nonRedistributingOffHeapSize,
                                  long memoryPoolBytes)

Parameters:

transactions - the transactions for the different keyspaces/tables we are to redistribute

nonRedistributingOffHeapSize - the total index summary off heap size for all sstables we were not able to mark compacting (due to them being involved in other compactions)

memoryPoolBytes - size of the memory pool

Method Detail

redistributeSummaries

public java.util.List<SSTableReader> redistributeSummaries()
                                                    throws java.io.IOException

Throws:

java.io.IOException

getCompactionInfo

public CompactionInfo getCompactionInfo()

Specified by:

getCompactionInfo in class CompactionInfo.Holder

isGlobal

public boolean isGlobal()

Description copied from class: CompactionInfo.Holder

if this compaction involves several/all tables we can safely check globalCompactionsPaused in isStopRequested() below

Specified by:

isGlobal in class CompactionInfo.Holder