org.apache.cassandra.config
Class DatabaseDescriptor

java.lang.Object
  org.apache.cassandra.config.DatabaseDescriptor

public class DatabaseDescriptor
extends java.lang.Object

Field Summary

static java.util.UUID

INITIAL_VERSION

Constructor Summary

DatabaseDescriptor()

Method Summary

static void	clearTableDefinition(KSMetaData ksm, java.util.UUID newVersion)
static void	createAllDirectories() Creates all storage-related directories.
static boolean	estimatesRealMemtableSize()
static java.lang.String[]	getAllDataFileLocations()
static java.lang.String[]	getAllDataFileLocationsForTable(java.lang.String table) Get a list of data directories for a given table
static IAuthenticator	getAuthenticator()
static IAuthority	getAuthority()
static int	getBMTThreshold()
static CFMetaData	getCFMetaData(Descriptor desc)
static CFMetaData	getCFMetaData(java.lang.Integer cfId)
static CFMetaData	getCFMetaData(java.lang.String tableName, java.lang.String cfName)
static java.lang.String	getClusterName()
static ColumnFamilyType	getColumnFamilyType(java.lang.String tableName, java.lang.String cfName)
static int	getColumnIndexSize()
static java.lang.String	getCommitLogLocation()
static int	getCommitLogSegmentSize()
static Config.CommitLogSync	getCommitLogSync()
static double	getCommitLogSyncBatchWindow()
static int	getCommitLogSyncPeriod()
static int	getCompactionThreadPriority()
static int	getCompactionThroughputMbPerSec()
static AbstractType	getComparator(java.lang.String ksName, java.lang.String cfName)
static int	getConcurrentCompactors()
static int	getConcurrentReaders()
static int	getConcurrentReplicators()
static int	getConcurrentWriters()
static java.lang.String	getDataFileLocationForTable(java.lang.String table, long expectedCompactedFileSize)
static java.util.UUID	getDefsVersion()
static Config.DiskAccessMode	getDiskAccessMode()
static double	getDynamicBadnessThreshold()
static int	getDynamicResetInterval()
static int	getDynamicUpdateInterval()
static EncryptionOptions	getEncryptionOptions()
static IEndpointSnitch	getEndpointSnitch()
static double	getFlushLargestMemtablesAt()
static int	getFlushQueueSize()
static int	getFlushWriters()
static int	getHintedHandoffThrottleDelay()
static Config.DiskAccessMode	getIndexAccessMode()
static int	getIndexedReadBufferSizeInKB()
static java.lang.Integer	getIndexInterval()
static java.lang.String	getInitialToken()
static int	getInMemoryCompactionLimit()
static java.lang.String	getJobJarLocation()
static java.lang.String	getJobTrackerAddress()
static KSMetaData	getKSMetaData(java.lang.String table)
static java.net.InetAddress	getListenAddress()
static int	getMaxHintWindow()
static java.lang.String	getNextAvailableDataLocation()
static java.util.List<java.lang.String>	getNonSystemTables()
static IPartitioner	getPartitioner()
static int	getPhiConvictThreshold()
static boolean	getPreheatKeyCache()
static double	getReduceCacheCapacityTo()
static double	getReduceCacheSizesAt()
static IRequestScheduler	getRequestScheduler()
static Config.RequestSchedulerId	getRequestSchedulerId()
static RequestSchedulerOptions	getRequestSchedulerOptions()
static java.net.InetAddress	getRpcAddress()
static boolean	getRpcKeepAlive()
static java.lang.Integer	getRpcMaxThreads()
static java.lang.Integer	getRpcMinThreads()
static int	getRpcPort()
static java.lang.Integer	getRpcRecvBufferSize()
static java.lang.Integer	getRpcSendBufferSize()
static long	getRpcTimeout()
static java.lang.String	getSavedCachesLocation()
static java.util.Set<java.net.InetAddress>	getSeeds()
static java.io.File	getSerializedCachePath(java.lang.String ksName, java.lang.String cfName, ColumnFamilyStore.CacheType cacheType)
static int	getSlicedReadBufferSizeInKB()
static int	getStoragePort()
static AbstractType	getSubComparator(java.lang.String tableName, java.lang.String cfName)
static KSMetaData	getTableDefinition(java.lang.String table)
static java.util.Map<java.lang.String,CFMetaData>	getTableMetaData(java.lang.String tableName)
static java.util.Set<java.lang.String>	getTables()
static int	getThriftFramedTransportSize()
static int	getThriftMaxMessageLength()
static int	getTotalMemtableSpaceInMB()
static AbstractType	getValueValidator(java.lang.String keyspace, java.lang.String cf, java.nio.ByteBuffer column)
static boolean	hintedHandoffEnabled()
static boolean	incrementalBackupsEnabled()
static boolean	isAutoBootstrap()
static boolean	isSnapshotBeforeCompaction()
static void	loadSchemas() load keyspace (table) definitions, but do not initialize the table instances.
static void	setCompactionThroughputMbPerSec(int value)
static void	setDynamicBadnessThreshold(java.lang.Double dynamicBadnessThreshold)
static void	setDynamicResetInterval(java.lang.Integer dynamicResetInterval)
static void	setDynamicUpdateInterval(java.lang.Integer dynamicUpdateInterval)
static void	setEndpointSnitch(IEndpointSnitch eps)
static void	setTableDefinition(KSMetaData ksm, java.util.UUID newVersion)
static void	validateMemtableFlushPeriod(int minutes)
static void	validateMemtableOperations(double operationsInMillions)
static void	validateMemtableThroughput(int sizeInMB)

Methods inherited from class java.lang.Object

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

Field Detail

INITIAL_VERSION

public static final java.util.UUID INITIAL_VERSION

Constructor Detail

DatabaseDescriptor

public DatabaseDescriptor()

Method Detail

loadSchemas

public static void loadSchemas()
                        throws java.io.IOException

load keyspace (table) definitions, but do not initialize the table instances.

Throws:

java.io.IOException

getAuthenticator

public static IAuthenticator getAuthenticator()

getAuthority

public static IAuthority getAuthority()

getThriftMaxMessageLength

public static int getThriftMaxMessageLength()

getThriftFramedTransportSize

public static int getThriftFramedTransportSize()

createAllDirectories

public static void createAllDirectories()
                                 throws java.io.IOException

Creates all storage-related directories.

Throws:

java.io.IOException - when a disk problem is encountered.

getPartitioner

public static IPartitioner getPartitioner()

getEndpointSnitch

public static IEndpointSnitch getEndpointSnitch()

setEndpointSnitch

public static void setEndpointSnitch(IEndpointSnitch eps)

getRequestScheduler

public static IRequestScheduler getRequestScheduler()

getRequestSchedulerOptions

public static RequestSchedulerOptions getRequestSchedulerOptions()

getRequestSchedulerId

public static Config.RequestSchedulerId getRequestSchedulerId()

getKSMetaData

public static KSMetaData getKSMetaData(java.lang.String table)

getJobTrackerAddress

public static java.lang.String getJobTrackerAddress()

getColumnIndexSize

public static int getColumnIndexSize()

getInitialToken

public static java.lang.String getInitialToken()

getClusterName

public static java.lang.String getClusterName()

getJobJarLocation

public static java.lang.String getJobJarLocation()

getTableMetaData

public static java.util.Map<java.lang.String,CFMetaData> getTableMetaData(java.lang.String tableName)

getCFMetaData

public static CFMetaData getCFMetaData(java.lang.String tableName,
                                       java.lang.String cfName)

getCFMetaData

public static CFMetaData getCFMetaData(java.lang.Integer cfId)

getColumnFamilyType

public static ColumnFamilyType getColumnFamilyType(java.lang.String tableName,
                                                   java.lang.String cfName)

getTables

public static java.util.Set<java.lang.String> getTables()

getNonSystemTables

public static java.util.List<java.lang.String> getNonSystemTables()

getStoragePort

public static int getStoragePort()

getRpcPort

public static int getRpcPort()

getRpcTimeout

public static long getRpcTimeout()

getPhiConvictThreshold

public static int getPhiConvictThreshold()

getConcurrentReaders

public static int getConcurrentReaders()

getConcurrentWriters

public static int getConcurrentWriters()

getConcurrentReplicators

public static int getConcurrentReplicators()

getFlushWriters

public static int getFlushWriters()

getInMemoryCompactionLimit

public static int getInMemoryCompactionLimit()

getConcurrentCompactors

public static int getConcurrentCompactors()

getCompactionThroughputMbPerSec

public static int getCompactionThroughputMbPerSec()

setCompactionThroughputMbPerSec

public static void setCompactionThroughputMbPerSec(int value)

getAllDataFileLocations

public static java.lang.String[] getAllDataFileLocations()

getAllDataFileLocationsForTable

public static java.lang.String[] getAllDataFileLocationsForTable(java.lang.String table)

Get a list of data directories for a given table

Parameters:

table - name of the table.

Returns:

an array of path to the data directories.

getNextAvailableDataLocation

public static java.lang.String getNextAvailableDataLocation()

getCommitLogSegmentSize

public static int getCommitLogSegmentSize()

getCommitLogLocation

public static java.lang.String getCommitLogLocation()

getSavedCachesLocation

public static java.lang.String getSavedCachesLocation()

getSeeds

public static java.util.Set<java.net.InetAddress> getSeeds()

getDataFileLocationForTable

public static java.lang.String getDataFileLocationForTable(java.lang.String table,
                                                           long expectedCompactedFileSize)

getComparator

public static AbstractType getComparator(java.lang.String ksName,
                                         java.lang.String cfName)

getSubComparator

public static AbstractType getSubComparator(java.lang.String tableName,
                                            java.lang.String cfName)

getTableDefinition

public static KSMetaData getTableDefinition(java.lang.String table)

setTableDefinition

public static void setTableDefinition(KSMetaData ksm,
                                      java.util.UUID newVersion)

clearTableDefinition

public static void clearTableDefinition(KSMetaData ksm,
                                        java.util.UUID newVersion)

getDefsVersion

public static java.util.UUID getDefsVersion()

getListenAddress

public static java.net.InetAddress getListenAddress()

getRpcAddress

public static java.net.InetAddress getRpcAddress()

getRpcKeepAlive

public static boolean getRpcKeepAlive()

getRpcMinThreads

public static java.lang.Integer getRpcMinThreads()

getRpcMaxThreads

public static java.lang.Integer getRpcMaxThreads()

getRpcSendBufferSize

public static java.lang.Integer getRpcSendBufferSize()

getRpcRecvBufferSize

public static java.lang.Integer getRpcRecvBufferSize()

getCommitLogSyncBatchWindow

public static double getCommitLogSyncBatchWindow()

getCommitLogSyncPeriod

public static int getCommitLogSyncPeriod()

getCommitLogSync

public static Config.CommitLogSync getCommitLogSync()

getDiskAccessMode

public static Config.DiskAccessMode getDiskAccessMode()

getIndexAccessMode

public static Config.DiskAccessMode getIndexAccessMode()

getIndexedReadBufferSizeInKB

public static int getIndexedReadBufferSizeInKB()

getSlicedReadBufferSizeInKB

public static int getSlicedReadBufferSizeInKB()

getBMTThreshold

public static int getBMTThreshold()

getCompactionThreadPriority

public static int getCompactionThreadPriority()

isSnapshotBeforeCompaction

public static boolean isSnapshotBeforeCompaction()

isAutoBootstrap

public static boolean isAutoBootstrap()

hintedHandoffEnabled

public static boolean hintedHandoffEnabled()

getMaxHintWindow

public static int getMaxHintWindow()

getValueValidator

public static AbstractType getValueValidator(java.lang.String keyspace,
                                             java.lang.String cf,
                                             java.nio.ByteBuffer column)

getCFMetaData

public static CFMetaData getCFMetaData(Descriptor desc)

getIndexInterval

public static java.lang.Integer getIndexInterval()

getSerializedCachePath

public static java.io.File getSerializedCachePath(java.lang.String ksName,
                                                  java.lang.String cfName,
                                                  ColumnFamilyStore.CacheType cacheType)

getDynamicUpdateInterval

public static int getDynamicUpdateInterval()

setDynamicUpdateInterval

public static void setDynamicUpdateInterval(java.lang.Integer dynamicUpdateInterval)

getDynamicResetInterval

public static int getDynamicResetInterval()

setDynamicResetInterval

public static void setDynamicResetInterval(java.lang.Integer dynamicResetInterval)

getDynamicBadnessThreshold

public static double getDynamicBadnessThreshold()

setDynamicBadnessThreshold

public static void setDynamicBadnessThreshold(java.lang.Double dynamicBadnessThreshold)

getEncryptionOptions

public static EncryptionOptions getEncryptionOptions()

getFlushLargestMemtablesAt

public static double getFlushLargestMemtablesAt()

getReduceCacheSizesAt

public static double getReduceCacheSizesAt()

getReduceCacheCapacityTo

public static double getReduceCacheCapacityTo()

getHintedHandoffThrottleDelay

public static int getHintedHandoffThrottleDelay()

getPreheatKeyCache

public static boolean getPreheatKeyCache()

validateMemtableThroughput

public static void validateMemtableThroughput(int sizeInMB)
                                       throws ConfigurationException

Throws:

ConfigurationException

validateMemtableOperations

public static void validateMemtableOperations(double operationsInMillions)
                                       throws ConfigurationException

Throws:

ConfigurationException

validateMemtableFlushPeriod

public static void validateMemtableFlushPeriod(int minutes)
                                        throws ConfigurationException

Throws:

ConfigurationException

incrementalBackupsEnabled

public static boolean incrementalBackupsEnabled()

getFlushQueueSize

public static int getFlushQueueSize()

getTotalMemtableSpaceInMB

public static int getTotalMemtableSpaceInMB()

estimatesRealMemtableSize

public static boolean estimatesRealMemtableSize()