org.apache.cassandra.db.compaction
Interface CompactionManagerMBean

All Known Implementing Classes:

CompactionManager

public interface CompactionManagerMBean

Method Summary

void	forceUserDefinedCompaction(java.lang.String ksname, java.lang.String dataFiles) Triggers the compaction of user specified sstables.
java.util.List<java.util.Map<java.lang.String,java.lang.String>>	getCompactions() List of running compaction objects.
java.util.List<java.lang.String>	getCompactionSummary() List of running compaction summary strings.
long	getCompletedTasks()
int	getPendingTasks()
long	getTotalBytesCompacted()
long	getTotalCompactionsCompleted()
void	stopCompaction(java.lang.String type) Stop all running compaction-like tasks having the provided type.

Method Detail

getCompactions

java.util.List<java.util.Map<java.lang.String,java.lang.String>> getCompactions()

List of running compaction objects.

getCompactionSummary

java.util.List<java.lang.String> getCompactionSummary()

List of running compaction summary strings.

getPendingTasks

int getPendingTasks()

Returns:

estimated number of compactions remaining to perform

getCompletedTasks

long getCompletedTasks()

Returns:

number of completed compactions since server [re]start

getTotalBytesCompacted

long getTotalBytesCompacted()

Returns:

total number of bytes compacted since server [re]start

getTotalCompactionsCompleted

long getTotalCompactionsCompleted()

Returns:

total number of compactions since server [re]start

forceUserDefinedCompaction

void forceUserDefinedCompaction(java.lang.String ksname,
                                java.lang.String dataFiles)

Triggers the compaction of user specified sstables.

Parameters:

ksname - the keyspace for the sstables to compact

dataFiles - a comma separated list of sstable filename to compact

stopCompaction

void stopCompaction(java.lang.String type)

Stop all running compaction-like tasks having the provided type.

Parameters:

type - the type of compaction to stop. Can be one of: - COMPACTION - VALIDATION - CLEANUP - SCRUB - INDEX_BUILD