org.apache.ignite.internal.processors.cache.persistence

Class IgniteCacheDatabaseSharedManager

java.lang.Object

org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter

org.apache.ignite.internal.processors.cache.persistence.IgniteCacheDatabaseSharedManager

All Implemented Interfaces:

GridCacheSharedManager, CheckpointLockStateChecker, IgniteChangeGlobalStateSupport

Direct Known Subclasses:

GridCacheDatabaseSharedManager

public class IgniteCacheDatabaseSharedManager
extends GridCacheSharedManagerAdapter
implements IgniteChangeGlobalStateSupport, CheckpointLockStateChecker

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,DataRegion>	dataRegionMap
protected DataRegion	dfltDataRegion
protected Map<String,CacheFreeListImpl>	freeListMap
protected Map<String,DataRegionMetrics>	memMetricsMap
static String	SYSTEM_DATA_REGION_NAME DataRegionConfiguration name reserved for internal caches.

Fields inherited from class org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter

cctx, diagnosticLog, log

Constructor Summary

Constructors

Constructor and Description
IgniteCacheDatabaseSharedManager()

Method Summary

Modifier and Type	Method and Description
protected void	addDataRegion(DataStorageConfiguration dataStorageCfg, DataRegionConfiguration dataRegionCfg, boolean trackable)
void	beforeExchange(GridDhtPartitionsExchangeFuture discoEvt)
protected File	buildAllocPath(DataRegionConfiguration plc) Builds allocation path for memory mapped file to be used with PageMemory.
protected File	buildPath(String path, String consId)
protected void	checkPageSize(DataStorageConfiguration memCfg)
boolean	checkpointLockIsHeldByThread()
void	checkpointReadLock() No-op for non-persistent storage.
void	checkpointReadUnlock() No-op for non-persistent storage.
protected void	checkRegionEvictionProperties(DataRegionConfiguration regCfg, DataStorageConfiguration dbCfg)
protected PageEvictionTracker	createPageEvictionTracker(DataRegionConfiguration plc, PageMemory pageMem)
protected PageMemory	createPageMemory(DirectMemoryProvider memProvider, DataStorageConfiguration memCfg, DataRegionConfiguration memPlcCfg, DataRegionMetricsImpl memMetrics, boolean trackable) Creates PageMemory with given size and memory provider.
DataRegion	dataRegion(String memPlcName)
Collection<DataRegion>	dataRegions()
void	dumpStatistics(IgniteLogger log)
void	ensureFreeSpace(DataRegion memPlc) See GridCacheMapEntry.ensureFreeSpace()
CheckpointFuture	forceCheckpoint(String reason) Allows to wait checkpoint finished.
FreeList	freeList(String memPlcName)
protected IgniteOutClosure<Long>	freeSpaceProvider(DataRegionConfiguration dataRegCfg) Closure that can be used to compute fill factor for provided data region.
IgniteInternalFuture	indexRebuildFuture(int cacheId)
protected void	initDataRegions(DataStorageConfiguration memCfg)
protected void	initPageMemoryDataStructures(DataStorageConfiguration dbCfg)
void	lock()
Collection<DataRegionMetrics>	memoryMetrics()
DataRegionMetrics	memoryMetrics(String memPlcName)
MetaStorage	metaStorage()
void	onActivate(GridKernalContext kctx) Called when cluster performing activation.
void	onCacheGroupsStopped(Collection<IgniteBiTuple<CacheGroupContext,Boolean>> stoppedGrps)
void	onDeActivate(GridKernalContext kctx) Called when cluster performing deactivation.
int	pageSize()
DataStorageMetrics	persistentStoreMetrics()
void	prepareCachesStop() Needed action before any cache will stop
void	readCheckpointAndRestoreMemory(List<DynamicCacheDescriptor> cachesToStart)
void	rebuildIndexesIfNeeded(GridDhtPartitionsExchangeFuture fut)
void	releaseHistoryForExchange() Release reserved update history.
void	releaseHistoryForPreloading() Release reserved update history.
Map<Integer,Map<Integer,Long>>	reserveHistoryForExchange() Reserve update history for exchange.
boolean	reserveHistoryForPreloading(int grpId, int partId, long cntr) Reserve update history for preloading.
ReuseList	reuseList(String memPlcName)
protected void	setPageSize(int pageSize) Method for fake (standalone) context initialization.
protected void	start0()
protected void	stop0(boolean cancel)
String	systemDateRegionName()
void	unLock()
void	waitForCheckpoint(String reason) Waits until current state is checkpointed.
IgniteInternalFuture	wakeupForCheckpoint(String reason)
boolean	walEnabled(int grpId, boolean local)
void	walEnabled(int grpId, boolean enabled, boolean local) Marks cache group as with disabled WAL.
protected DirectMemoryProvider	wrapMetricsMemoryProvider(DirectMemoryProvider memoryProvider0, DataRegionMetricsImpl memMetrics)

Methods inherited from class org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter

context, isStopping, kernalStartInfo, kernalStopInfo, log, onDisconnected, onKernalStop, onKernalStop0, onReconnected, printMemoryStats, start, startInfo, stop, stopInfo, toString

Methods inherited from class java.lang.Object

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

Field Detail

SYSTEM_DATA_REGION_NAME

public static final String SYSTEM_DATA_REGION_NAME

DataRegionConfiguration name reserved for internal caches.

See Also:

Constant Field Values

dataRegionMap

protected volatile Map<String,DataRegion> dataRegionMap

memMetricsMap

protected Map<String,DataRegionMetrics> memMetricsMap

dfltDataRegion

protected DataRegion dfltDataRegion

freeListMap

protected Map<String,CacheFreeListImpl> freeListMap

Constructor Detail

IgniteCacheDatabaseSharedManager

public IgniteCacheDatabaseSharedManager()

Method Detail

start0

protected void start0()
               throws IgniteCheckedException

Overrides:

start0 in class GridCacheSharedManagerAdapter

Throws:

IgniteCheckedException - If failed.

initPageMemoryDataStructures

protected void initPageMemoryDataStructures(DataStorageConfiguration dbCfg)
                                     throws IgniteCheckedException

Parameters:

dbCfg - Database config.

Throws:

IgniteCheckedException - If failed.

pageSize

public int pageSize()

Returns:

Size of page used for PageMemory regions.

initDataRegions

protected void initDataRegions(DataStorageConfiguration memCfg)
                        throws IgniteCheckedException

Parameters:

memCfg - Database config.

Throws:

IgniteCheckedException - If failed to initialize swap path.

addDataRegion

protected void addDataRegion(DataStorageConfiguration dataStorageCfg,
                             DataRegionConfiguration dataRegionCfg,
                             boolean trackable)
                      throws IgniteCheckedException

Parameters:

dataStorageCfg - Database config.

dataRegionCfg - Data region config.

Throws:

IgniteCheckedException - If failed to initialize swap path.

freeSpaceProvider

protected IgniteOutClosure<Long> freeSpaceProvider(DataRegionConfiguration dataRegCfg)

Closure that can be used to compute fill factor for provided data region.

Parameters:

dataRegCfg - Data region configuration.

Returns:

Closure.

checkPageSize

protected void checkPageSize(DataStorageConfiguration memCfg)

Parameters:

memCfg - Memory config.

checkRegionEvictionProperties

protected void checkRegionEvictionProperties(DataRegionConfiguration regCfg,
                                             DataStorageConfiguration dbCfg)
                                      throws IgniteCheckedException

Parameters:

regCfg - DataRegionConfiguration to validate.

dbCfg - Memory configuration.

Throws:

IgniteCheckedException - If config is invalid.

dumpStatistics

public void dumpStatistics(IgniteLogger log)

Parameters:

log - Logger.

dataRegions

public Collection<DataRegion> dataRegions()

Returns:

collection of all configured policies.

memoryMetrics

public Collection<DataRegionMetrics> memoryMetrics()

Returns:

DataRegionMetrics for all MemoryPolicies configured in Ignite instance.

persistentStoreMetrics

public DataStorageMetrics persistentStoreMetrics()

Returns:

DataStorageMetrics if persistence is enabled or null otherwise.

readCheckpointAndRestoreMemory

public void readCheckpointAndRestoreMemory(List<DynamicCacheDescriptor> cachesToStart)
                                    throws IgniteCheckedException

Parameters:

cachesToStart - Started caches.

Throws:

IgniteCheckedException - If failed.

memoryMetrics

@Nullable
public DataRegionMetrics memoryMetrics(String memPlcName)

Parameters:

memPlcName - Name of DataRegion to obtain DataRegionMetrics for.

Returns:

DataRegionMetrics snapshot for specified DataRegion or null if no DataRegion is configured for specified name.

dataRegion

public DataRegion dataRegion(String memPlcName)
                      throws IgniteCheckedException

Parameters:

memPlcName - data region name.

Returns:

DataRegion instance associated with a given DataRegionConfiguration.

Throws:

IgniteCheckedException - in case of request for unknown DataRegion.

freeList

public FreeList freeList(String memPlcName)

Parameters:

memPlcName - DataRegionConfiguration name.

Returns:

FreeList instance associated with a given DataRegionConfiguration.

reuseList

public ReuseList reuseList(String memPlcName)

Parameters:

memPlcName - DataRegionConfiguration name.

Returns:

ReuseList instance associated with a given DataRegionConfiguration.

stop0

protected void stop0(boolean cancel)

Overrides:

stop0 in class GridCacheSharedManagerAdapter

Parameters:

cancel - Cancel flag.

checkpointLockIsHeldByThread

public boolean checkpointLockIsHeldByThread()

Specified by:

checkpointLockIsHeldByThread in interface CheckpointLockStateChecker

Returns:

true if checkpoint lock is held by current thread

lock

public void lock()
          throws IgniteCheckedException

Throws:

IgniteCheckedException

unLock

public void unLock()

checkpointReadLock

public void checkpointReadLock()

No-op for non-persistent storage.

checkpointReadUnlock

public void checkpointReadUnlock()

No-op for non-persistent storage.

wakeupForCheckpoint

@Nullable
public IgniteInternalFuture wakeupForCheckpoint(String reason)

forceCheckpoint

@Nullable
public CheckpointFuture forceCheckpoint(String reason)

Allows to wait checkpoint finished.

Parameters:

reason - Reason.

waitForCheckpoint

public void waitForCheckpoint(String reason)
                       throws IgniteCheckedException

Waits until current state is checkpointed.

Throws:

IgniteCheckedException - If failed.

beforeExchange

public void beforeExchange(GridDhtPartitionsExchangeFuture discoEvt)
                    throws IgniteCheckedException

Parameters:

discoEvt - Before exchange for the given discovery event.

Throws:

IgniteCheckedException

rebuildIndexesIfNeeded

public void rebuildIndexesIfNeeded(GridDhtPartitionsExchangeFuture fut)

Parameters:

fut - Partition exchange future.

prepareCachesStop

public void prepareCachesStop()

Needed action before any cache will stop

onCacheGroupsStopped

public void onCacheGroupsStopped(Collection<IgniteBiTuple<CacheGroupContext,Boolean>> stoppedGrps)

Parameters:

stoppedGrps - A collection of tuples (cache group, destroy flag).

indexRebuildFuture

@Nullable
public IgniteInternalFuture indexRebuildFuture(int cacheId)

Returns:

Future that will be completed when indexes for given cache are restored.

reserveHistoryForExchange

public Map<Integer,Map<Integer,Long>> reserveHistoryForExchange()

Reserve update history for exchange.

Returns:

Reserved update counters per cache and partition.

releaseHistoryForExchange

public void releaseHistoryForExchange()

Release reserved update history.

reserveHistoryForPreloading

public boolean reserveHistoryForPreloading(int grpId,
                                           int partId,
                                           long cntr)

Reserve update history for preloading.

Parameters:

grpId - Cache group ID.

partId - Partition Id.

cntr - Update counter.

Returns:

True if successfully reserved.

releaseHistoryForPreloading

public void releaseHistoryForPreloading()

Release reserved update history.

ensureFreeSpace

public void ensureFreeSpace(DataRegion memPlc)
                     throws IgniteCheckedException

See GridCacheMapEntry.ensureFreeSpace()

Parameters:

memPlc - data region.

Throws:

IgniteCheckedException

createPageEvictionTracker

protected PageEvictionTracker createPageEvictionTracker(DataRegionConfiguration plc,
                                                        PageMemory pageMem)

Parameters:

plc - data region Configuration.

pageMem - Page memory.

buildAllocPath

@Nullable
protected File buildAllocPath(DataRegionConfiguration plc)
                                 throws IgniteCheckedException

Builds allocation path for memory mapped file to be used with PageMemory.

Parameters:

plc - DataRegionConfiguration.

Throws:

IgniteCheckedException - If resolving swap directory fails.

createPageMemory

protected PageMemory createPageMemory(DirectMemoryProvider memProvider,
                                      DataStorageConfiguration memCfg,
                                      DataRegionConfiguration memPlcCfg,
                                      DataRegionMetricsImpl memMetrics,
                                      boolean trackable)

Creates PageMemory with given size and memory provider.

Parameters:

memProvider - Memory provider.

memCfg - Memory configuartion.

memPlcCfg - data region configuration.

memMetrics - DataRegionMetrics to collect memory usage metrics.

Returns:

PageMemory instance.

wrapMetricsMemoryProvider

protected DirectMemoryProvider wrapMetricsMemoryProvider(DirectMemoryProvider memoryProvider0,
                                                         DataRegionMetricsImpl memMetrics)

Parameters:

memoryProvider0 - Memory provider.

memMetrics - Memory metrics.

Returns:

Wrapped memory provider.

buildPath

protected File buildPath(String path,
                         String consId)
                  throws IgniteCheckedException

Parameters:

path - Path to the working directory.

consId - Consistent ID of the local node.

Returns:

DB storage path.

Throws:

IgniteCheckedException - If resolving swap directory fails.

onActivate

public void onActivate(GridKernalContext kctx)
                throws IgniteCheckedException

Called when cluster performing activation.

Specified by:

onActivate in interface IgniteChangeGlobalStateSupport

Parameters:

kctx - Kernal context.

Throws:

IgniteCheckedException - If failed.

onDeActivate

public void onDeActivate(GridKernalContext kctx)

Called when cluster performing deactivation.

Specified by:

onDeActivate in interface IgniteChangeGlobalStateSupport

Parameters:

kctx - Kernal context.

systemDateRegionName

public String systemDateRegionName()

Returns:

Name of DataRegionConfiguration for internal caches.

setPageSize

protected void setPageSize(int pageSize)

Method for fake (standalone) context initialization. Not to be called in production code

Parameters:

pageSize - configured page size

metaStorage

public MetaStorage metaStorage()

Returns:

MetaStorage

walEnabled

public boolean walEnabled(int grpId,
                          boolean local)

Parameters:

grpId - Group ID.

Returns:

WAL enabled flag.

walEnabled

public void walEnabled(int grpId,
                       boolean enabled,
                       boolean local)

Marks cache group as with disabled WAL.

Parameters:

grpId - Group id.

enabled - flag.