org.apache.ignite.internal.processors.cache

Class GridCachePartitionExchangeManager<K,V>

java.lang.Object

org.apache.ignite.internal.processors.cache.GridCacheSharedManagerAdapter<K,V>

org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager<K,V>

All Implemented Interfaces:

GridCacheSharedManager<K,V>

public class GridCachePartitionExchangeManager<K,V>
extends GridCacheSharedManagerAdapter<K,V>

Partition exchange manager.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DFLT_DIAGNOSTIC_WARN_LIMIT
static int	DFLT_EXCHANGE_HISTORY_SIZE
static int	DFLT_EXCHANGE_MERGE_DELAY
static String	FAILED_DUMP_MSG Prefix of error message for dumping long running operations.

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

cctx, diagnosticLog, log

Constructor Summary

Constructors

Constructor and Description
GridCachePartitionExchangeManager()

Method Summary

Modifier and Type	Method and Description
boolean	affinityChanged(AffinityTopologyVersion from, AffinityTopologyVersion to)
@NotNull IgniteInternalFuture<AffinityTopologyVersion>	affinityReadyFuture(AffinityTopologyVersion ver)
HistogramMetricImpl	blockingDurationHistogram()
void	checkRebalanceState() Force checking of rebalance state.
GridClientPartitionTopology	clearClientTopology(int grpId)
Collection<GridClientPartitionTopology>	clientTopologies()
GridDhtPartitionTopology	clientTopology(int grpId, DiscoCache discoCache)
@Nullable GridDhtPartitionTopology	clientTopologyIfExists(int grpId)
BooleanMetricImpl	clusterRebalancedMetric()
GridDhtPartitionsFullMessage	createPartitionsFullMessage(boolean compress, boolean newCntrMap, @Nullable GridDhtPartitionExchangeId exchId, @Nullable GridCacheVersion lastVer, @Nullable IgniteDhtPartitionHistorySuppliersMap partHistSuppliers, @Nullable IgniteDhtPartitionsToReloadMap partsToReload) Creates partitions full message for all cache groups.
GridDhtPartitionsFullMessage	createPartitionsFullMessage(boolean compress, boolean newCntrMap, @Nullable GridDhtPartitionExchangeId exchId, @Nullable GridCacheVersion lastVer, @Nullable IgniteDhtPartitionHistorySuppliersMap partHistSuppliers, @Nullable IgniteDhtPartitionsToReloadMap partsToReload, Collection<CacheGroupContext> grps) Creates partitions full message for selected cache groups.
GridDhtPartitionsSingleMessage	createPartitionsSingleMessage(@Nullable GridDhtPartitionExchangeId exchangeId, boolean clientOnlyExchange, boolean sndCounters, boolean newCntrMap, ExchangeActions exchActions) Creates partitions single message for all cache groups.
GridDhtPartitionsSingleMessage	createPartitionsSingleMessage(@Nullable GridDhtPartitionExchangeId exchangeId, boolean clientOnlyExchange, boolean sndCounters, boolean newCntrMap, ExchangeActions exchActions, Collection<CacheGroupContext> grps) Creates partitions single message for selected cache groups.
IgniteInternalFuture<Void>	deferStopCachesOnClientReconnect(Collection<GridCacheAdapter> caches)
void	dumpDebugInfo(@Nullable GridDhtPartitionsExchangeFuture exchFut)
void	dumpLongRunningOperations(long timeout)
HistogramMetricImpl	durationHistogram()
List<PartitionsExchangeAware>	exchangeAwareComponents()
List<GridDhtPartitionsExchangeFuture>	exchangeFutures()
static int	exchangeProtocolVersion(IgniteProductVersion ver)
void	exchangerBlockingSectionBegin() Invokes GridWorker.blockingSectionBegin() for exchange worker.
void	exchangerBlockingSectionEnd() Invokes GridWorker.blockingSectionEnd() for exchange worker.
void	exchangerUpdateHeartbeat() Invokes GridWorker.updateHeartbeat() for exchange worker.
void	finishPreloading(AffinityTopologyVersion topVer, int grpId)
void	forceReassign(GridDhtPartitionExchangeId exchId, GridDhtPartitionsExchangeFuture fut)
IgniteInternalFuture<Boolean>	forceRebalance(GridDhtPartitionExchangeId exchId)
boolean	hasPendingExchange()
boolean	hasPendingServerExchange()
AffinityTopologyVersion	lastAffinityChangedTopologyVersion(AffinityTopologyVersion topVer)
boolean	lastAffinityChangedTopologyVersion(AffinityTopologyVersion topVer, AffinityTopologyVersion lastAffTopVer)
@Nullable GridDhtPartitionsExchangeFuture	lastFinishedFuture()
void	lastFinishedFuture(GridDhtPartitionsExchangeFuture fut)
GridDhtPartitionsExchangeFuture	lastTopologyFuture()
ExchangeLatchManager	latch()
boolean	mergeExchanges(GridDhtPartitionsExchangeFuture curFut, GridDhtPartitionsFullMessage msg)
boolean	mergeExchangesOnCoordinator(GridDhtPartitionsExchangeFuture curFut, @Nullable AffinityTopologyVersion threshold)
AffinityTopologyVersion	mergeExchangesTestWaitVersion() For testing only.
void	mergeExchangesTestWaitVersion(AffinityTopologyVersion exchMergeTestWaitVer, @Nullable List mergedEvtsForTest) For testing only.
void	onCoordinatorInitialized()
void	onExchangeDone(AffinityTopologyVersion topVer, AffinityTopologyVersion initTopVer, @Nullable Throwable err)
AffinityTopologyVersion	onKernalStart(boolean active, boolean reconnect)
protected void	onKernalStop0(boolean cancel)
void	onLocalJoin(DiscoveryEvent evt, DiscoCache cache) Callback for local join event (needed since regular event for local join is not generated).
void	processFullPartitionUpdate(ClusterNode node, GridDhtPartitionsFullMessage msg)
AffinityTopologyVersion	readyAffinityVersion()
void	rebalanceDelay(long delay)
static Object	rebalanceTopic(int idx)
IgniteInternalFuture<?>	reconnectExchangeFuture()
void	refreshPartitions() Partition refresh callback.
void	refreshPartitions(@NotNull Collection<CacheGroupContext> grps) Partition refresh callback for selected cache groups.
void	registerExchangeAwareComponent(PartitionsExchangeAware comp) Registers component that will be notified on every partition map exchange.
void	scheduleResendPartitions() Schedules next full partitions update.
protected void	start0()
protected void	stop0(boolean cancel)
void	unregisterExchangeAwareComponent(PartitionsExchangeAware comp) Removes exchange aware component from list of listeners.

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

context, isStopping, kernalStartInfo, kernalStopInfo, log, onDisconnected, onKernalStart, onKernalStart0, onKernalStop, 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

FAILED_DUMP_MSG

public static final String FAILED_DUMP_MSG

Prefix of error message for dumping long running operations.

See Also:

Constant Field Values

DFLT_EXCHANGE_HISTORY_SIZE

public static final int DFLT_EXCHANGE_HISTORY_SIZE

See Also:

IgniteSystemProperties.IGNITE_EXCHANGE_HISTORY_SIZE, Constant Field Values

DFLT_EXCHANGE_MERGE_DELAY

public static final int DFLT_EXCHANGE_MERGE_DELAY

See Also:

IgniteSystemProperties.IGNITE_EXCHANGE_MERGE_DELAY, Constant Field Values

DFLT_DIAGNOSTIC_WARN_LIMIT

public static final int DFLT_DIAGNOSTIC_WARN_LIMIT

See Also:

IgniteSystemProperties.IGNITE_DIAGNOSTIC_WARN_LIMIT, Constant Field Values

Constructor Detail

GridCachePartitionExchangeManager

public GridCachePartitionExchangeManager()

Method Detail

start0

protected void start0()
               throws IgniteCheckedException

Overrides:

start0 in class GridCacheSharedManagerAdapter<K,V>

Throws:

IgniteCheckedException - If failed.

onCoordinatorInitialized

public void onCoordinatorInitialized()

onLocalJoin

public void onLocalJoin(DiscoveryEvent evt,
                        DiscoCache cache)

Callback for local join event (needed since regular event for local join is not generated).

Parameters:

evt - Event.

cache - Cache.

reconnectExchangeFuture

public IgniteInternalFuture<?> reconnectExchangeFuture()

Returns:

Reconnect partition exchange future.

onKernalStart

public AffinityTopologyVersion onKernalStart(boolean active,
                                             boolean reconnect)
                                      throws IgniteCheckedException

Parameters:

active - Cluster state.

reconnect - Reconnect flag.

Returns:

Topology version of local join exchange if cluster is active. Topology version NONE if cluster is not active or reconnect.

Throws:

IgniteCheckedException - If failed.

exchangeProtocolVersion

public static int exchangeProtocolVersion(IgniteProductVersion ver)

Parameters:

ver - Node version.

Returns:

Supported exchange protocol version.

rebalanceTopic

public static Object rebalanceTopic(int idx)

Parameters:

idx - Index.

Returns:

Topic for index.

onKernalStop0

protected void onKernalStop0(boolean cancel)

Overrides:

onKernalStop0 in class GridCacheSharedManagerAdapter<K,V>

Parameters:

cancel - Cancel flag.

stop0

protected void stop0(boolean cancel)

Overrides:

stop0 in class GridCacheSharedManagerAdapter<K,V>

Parameters:

cancel - Cancel flag.

clientTopologyIfExists

@Nullable
public @Nullable GridDhtPartitionTopology clientTopologyIfExists(int grpId)

Parameters:

grpId - Cache group ID.

Returns:

Topology.

clientTopology

public GridDhtPartitionTopology clientTopology(int grpId,
                                               DiscoCache discoCache)

Parameters:

grpId - Cache group ID.

discoCache - Discovery data cache.

Returns:

Topology.

clientTopologies

public Collection<GridClientPartitionTopology> clientTopologies()

Returns:

Collection of client topologies.

clearClientTopology

public GridClientPartitionTopology clearClientTopology(int grpId)

Parameters:

grpId - Cache group ID.

Returns:

Client partition topology.

readyAffinityVersion

public AffinityTopologyVersion readyAffinityVersion()

Returns:

Topology version of latest completed partition exchange.

lastTopologyFuture

public GridDhtPartitionsExchangeFuture lastTopologyFuture()

Returns:

Last initialized topology future.

lastFinishedFuture

@Nullable
public @Nullable GridDhtPartitionsExchangeFuture lastFinishedFuture()

Returns:

Last finished topology future.

lastFinishedFuture

public void lastFinishedFuture(GridDhtPartitionsExchangeFuture fut)

Parameters:

fut - Finished future.

affinityReadyFuture

@NotNull
public @NotNull IgniteInternalFuture<AffinityTopologyVersion> affinityReadyFuture(AffinityTopologyVersion ver)

Parameters:

ver - Topology version.

Returns:

Future or null is future is already completed.

exchangeFutures

public List<GridDhtPartitionsExchangeFuture> exchangeFutures()

Returns:

Exchange futures.

hasPendingExchange

public boolean hasPendingExchange()

Returns:

True if pending future queue contains exchange task.

hasPendingServerExchange

public boolean hasPendingServerExchange()

Returns:

True if pending future queue contains server exchange task.

lastAffinityChangedTopologyVersion

public AffinityTopologyVersion lastAffinityChangedTopologyVersion(AffinityTopologyVersion topVer)

Parameters:

topVer - Topology version.

Returns:

Last topology version before the provided one when affinity was modified.

lastAffinityChangedTopologyVersion

public boolean lastAffinityChangedTopologyVersion(AffinityTopologyVersion topVer,
                                                  AffinityTopologyVersion lastAffTopVer)

Parameters:

topVer - Topology version.

lastAffTopVer - Last topology version before the provided one when affinity was modified.

Returns:

True if data was modified.

forceReassign

public void forceReassign(GridDhtPartitionExchangeId exchId,
                          GridDhtPartitionsExchangeFuture fut)

Parameters:

exchId - Exchange ID.

forceRebalance

public IgniteInternalFuture<Boolean> forceRebalance(GridDhtPartitionExchangeId exchId)

Parameters:

exchId - Exchange ID.

Returns:

Rebalance future.

finishPreloading

public void finishPreloading(AffinityTopologyVersion topVer,
                             int grpId)

Parameters:

topVer - Topology version.

grpId - Group id.

deferStopCachesOnClientReconnect

public IgniteInternalFuture<Void> deferStopCachesOnClientReconnect(Collection<GridCacheAdapter> caches)

Parameters:

caches - Caches to stop.

Returns:

Future that will be completed when caches are stopped from the exchange thread.

scheduleResendPartitions

public void scheduleResendPartitions()

Schedules next full partitions update.

registerExchangeAwareComponent

public void registerExchangeAwareComponent(PartitionsExchangeAware comp)

Registers component that will be notified on every partition map exchange.

Parameters:

comp - Component to be registered.

unregisterExchangeAwareComponent

public void unregisterExchangeAwareComponent(PartitionsExchangeAware comp)

Removes exchange aware component from list of listeners.

Parameters:

comp - Component to be registered.

exchangeAwareComponents

public List<PartitionsExchangeAware> exchangeAwareComponents()

Returns:

List of registered exchange listeners.

refreshPartitions

public void refreshPartitions(@NotNull
                              @NotNull Collection<CacheGroupContext> grps)

Partition refresh callback for selected cache groups. For coordinator causes FullMessages send, for non coordinator - SingleMessages send

Parameters:

grps - Cache groups for partitions refresh.

refreshPartitions

public void refreshPartitions()

Partition refresh callback. For coordinator causes FullMessages send, for non coordinator - SingleMessages send

createPartitionsFullMessage

public GridDhtPartitionsFullMessage createPartitionsFullMessage(boolean compress,
                                                                boolean newCntrMap,
                                                                @Nullable
                                                                @Nullable GridDhtPartitionExchangeId exchId,
                                                                @Nullable
                                                                @Nullable GridCacheVersion lastVer,
                                                                @Nullable
                                                                @Nullable IgniteDhtPartitionHistorySuppliersMap partHistSuppliers,
                                                                @Nullable
                                                                @Nullable IgniteDhtPartitionsToReloadMap partsToReload)

Creates partitions full message for all cache groups.

Parameters:

compress - True if possible to compress message (properly work only if prepareMarshall/ finishUnmarshall methods are called).

newCntrMap - True if possible to use CachePartitionFullCountersMap.

exchId - Non-null exchange ID if message is created for exchange.

lastVer - Last version.

partHistSuppliers - Partition history suppliers map.

partsToReload - Partitions to reload map.

Returns:

Message.

createPartitionsFullMessage

public GridDhtPartitionsFullMessage createPartitionsFullMessage(boolean compress,
                                                                boolean newCntrMap,
                                                                @Nullable
                                                                @Nullable GridDhtPartitionExchangeId exchId,
                                                                @Nullable
                                                                @Nullable GridCacheVersion lastVer,
                                                                @Nullable
                                                                @Nullable IgniteDhtPartitionHistorySuppliersMap partHistSuppliers,
                                                                @Nullable
                                                                @Nullable IgniteDhtPartitionsToReloadMap partsToReload,
                                                                Collection<CacheGroupContext> grps)

Creates partitions full message for selected cache groups.

Parameters:

compress - True if possible to compress message (properly work only if prepareMarshall/ finishUnmarshall methods are called).

newCntrMap - True if possible to use CachePartitionFullCountersMap.

exchId - Non-null exchange ID if message is created for exchange.

lastVer - Last version.

partHistSuppliers - Partition history suppliers map.

partsToReload - Partitions to reload map.

grps - Selected cache groups.

Returns:

Message.

createPartitionsSingleMessage

public GridDhtPartitionsSingleMessage createPartitionsSingleMessage(@Nullable
                                                                    @Nullable GridDhtPartitionExchangeId exchangeId,
                                                                    boolean clientOnlyExchange,
                                                                    boolean sndCounters,
                                                                    boolean newCntrMap,
                                                                    ExchangeActions exchActions)

Creates partitions single message for all cache groups.

Parameters:

exchangeId - Exchange ID.

clientOnlyExchange - Client exchange flag.

sndCounters - True if need send partition update counters.

newCntrMap - True if possible to use CachePartitionPartialCountersMap.

Returns:

Message.

createPartitionsSingleMessage

public GridDhtPartitionsSingleMessage createPartitionsSingleMessage(@Nullable
                                                                    @Nullable GridDhtPartitionExchangeId exchangeId,
                                                                    boolean clientOnlyExchange,
                                                                    boolean sndCounters,
                                                                    boolean newCntrMap,
                                                                    ExchangeActions exchActions,
                                                                    Collection<CacheGroupContext> grps)

Creates partitions single message for selected cache groups.

Parameters:

exchangeId - Exchange ID.

clientOnlyExchange - Client exchange flag.

sndCounters - True if need send partition update counters.

newCntrMap - True if possible to use CachePartitionPartialCountersMap.

grps - Selected cache groups.

Returns:

Message.

onExchangeDone

public void onExchangeDone(AffinityTopologyVersion topVer,
                           AffinityTopologyVersion initTopVer,
                           @Nullable
                           @Nullable Throwable err)

Parameters:

topVer - Exchange result topology version.

initTopVer - Exchange initial version.

err - Error.

processFullPartitionUpdate

public void processFullPartitionUpdate(ClusterNode node,
                                       GridDhtPartitionsFullMessage msg)

Parameters:

node - Sender cluster node.

msg - Message.

latch

public ExchangeLatchManager latch()

Returns:

Latch manager instance.

dumpDebugInfo

public void dumpDebugInfo(@Nullable
                          @Nullable GridDhtPartitionsExchangeFuture exchFut)
                   throws Exception

Parameters:

exchFut - Optional current exchange future.

Throws:

Exception - If failed.

checkRebalanceState

public void checkRebalanceState()

Force checking of rebalance state.

dumpLongRunningOperations

public void dumpLongRunningOperations(long timeout)

Parameters:

timeout - Operation timeout.

mergeExchangesTestWaitVersion

public void mergeExchangesTestWaitVersion(AffinityTopologyVersion exchMergeTestWaitVer,
                                          @Nullable
                                          @Nullable List mergedEvtsForTest)

For testing only.

Parameters:

exchMergeTestWaitVer - Version to wait for.

mergedEvtsForTest - List to collect discovery events with merged exchanges.

rebalanceDelay

public void rebalanceDelay(long delay)

Parameters:

delay - Rebalance delay.

mergeExchangesTestWaitVersion

public AffinityTopologyVersion mergeExchangesTestWaitVersion()

For testing only.

Returns:

Current version to wait for.

mergeExchanges

public boolean mergeExchanges(GridDhtPartitionsExchangeFuture curFut,
                              GridDhtPartitionsFullMessage msg)
                       throws IgniteInterruptedCheckedException

Parameters:

curFut - Current exchange future.

msg - Message.

Returns:

True if node is stopping.

Throws:

IgniteInterruptedCheckedException - If interrupted.

mergeExchangesOnCoordinator

public boolean mergeExchangesOnCoordinator(GridDhtPartitionsExchangeFuture curFut,
                                           @Nullable
                                           @Nullable AffinityTopologyVersion threshold)

Parameters:

curFut - Current active exchange future.

Returns:

False if need wait messages for merged exchanges.

exchangerUpdateHeartbeat

public void exchangerUpdateHeartbeat()

Invokes GridWorker.updateHeartbeat() for exchange worker.

exchangerBlockingSectionBegin

public void exchangerBlockingSectionBegin()

Invokes GridWorker.blockingSectionBegin() for exchange worker. Should be called from exchange worker thread.

exchangerBlockingSectionEnd

public void exchangerBlockingSectionEnd()

Invokes GridWorker.blockingSectionEnd() for exchange worker. Should be called from exchange worker thread.

affinityChanged

public boolean affinityChanged(AffinityTopologyVersion from,
                               AffinityTopologyVersion to)

durationHistogram

public HistogramMetricImpl durationHistogram()

Returns:

Histogram of PME durations metric.

blockingDurationHistogram

public HistogramMetricImpl blockingDurationHistogram()

Returns:

Histogram of blocking PME durations metric.

clusterRebalancedMetric

public BooleanMetricImpl clusterRebalancedMetric()

Returns:

Metric that shows whether cluster is in fully rebalanced state.