forked from voldemort/voldemort
/
PipelineRoutedStore.java
728 lines (636 loc) · 40.7 KB
/
PipelineRoutedStore.java
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/*
* Copyright 2008-2010 LinkedIn, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package voldemort.store.routed;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import voldemort.VoldemortException;
import voldemort.client.TimeoutConfig;
import voldemort.cluster.Cluster;
import voldemort.cluster.Zone;
import voldemort.cluster.failuredetector.FailureDetector;
import voldemort.common.VoldemortOpCode;
import voldemort.routing.RoutingStrategyType;
import voldemort.store.Store;
import voldemort.store.StoreDefinition;
import voldemort.store.StoreRequest;
import voldemort.store.StoreUtils;
import voldemort.store.nonblockingstore.NonblockingStore;
import voldemort.store.routed.Pipeline.Event;
import voldemort.store.routed.Pipeline.Operation;
import voldemort.store.routed.action.ConfigureNodes;
import voldemort.store.routed.action.GetAllConfigureNodes;
import voldemort.store.routed.action.GetAllReadRepair;
import voldemort.store.routed.action.IncrementClock;
import voldemort.store.routed.action.PerformDeleteHintedHandoff;
import voldemort.store.routed.action.PerformParallelDeleteRequests;
import voldemort.store.routed.action.PerformParallelGetAllRequests;
import voldemort.store.routed.action.PerformParallelPutRequests;
import voldemort.store.routed.action.PerformParallelRequests;
import voldemort.store.routed.action.PerformPutHintedHandoff;
import voldemort.store.routed.action.PerformSerialGetAllRequests;
import voldemort.store.routed.action.PerformSerialPutRequests;
import voldemort.store.routed.action.PerformSerialRequests;
import voldemort.store.routed.action.PerformZoneSerialRequests;
import voldemort.store.routed.action.ReadRepair;
import voldemort.store.slop.HintedHandoff;
import voldemort.store.slop.Slop;
import voldemort.store.slop.strategy.HintedHandoffStrategy;
import voldemort.store.slop.strategy.HintedHandoffStrategyFactory;
import voldemort.utils.ByteArray;
import voldemort.utils.ByteUtils;
import voldemort.utils.JmxUtils;
import voldemort.utils.SystemTime;
import voldemort.versioning.Version;
import voldemort.versioning.Versioned;
/**
* A Store which multiplexes requests to different internal Stores
*
*
*/
public class PipelineRoutedStore extends RoutedStore {
private final Map<Integer, NonblockingStore> nonblockingStores;
private final Map<Integer, Store<ByteArray, Slop, byte[]>> slopStores;
private final Map<Integer, NonblockingStore> nonblockingSlopStores;
private final HintedHandoffStrategy handoffStrategy;
private Zone clientZone;
private boolean zoneRoutingEnabled;
private PipelineRoutedStats stats;
/**
* Create a PipelineRoutedStore
*
* @param name The name of the store
* @param innerStores The mapping of node to client
* @param nonblockingStores
* @param slopStores The stores for hints
* @param cluster Cluster definition
* @param storeDef Store definition
* @param repairReads Is read repair enabled?
* @param clientZoneId Zone the client is in
* @param timeoutMs Routing timeout
* @param failureDetector Failure detector object
* @param jmxEnabled is monitoring enabled
* @param jmxId unique ID for the factory instance
*/
public PipelineRoutedStore(String name,
Map<Integer, Store<ByteArray, byte[], byte[]>> innerStores,
Map<Integer, NonblockingStore> nonblockingStores,
Map<Integer, Store<ByteArray, Slop, byte[]>> slopStores,
Map<Integer, NonblockingStore> nonblockingSlopStores,
Cluster cluster,
StoreDefinition storeDef,
boolean repairReads,
int clientZoneId,
TimeoutConfig timeoutConfig,
FailureDetector failureDetector,
boolean jmxEnabled,
int jmxId) {
super(name,
innerStores,
cluster,
storeDef,
repairReads,
timeoutConfig,
failureDetector,
SystemTime.INSTANCE);
this.nonblockingSlopStores = nonblockingSlopStores;
this.clientZone = cluster.getZoneById(clientZoneId);
if(storeDef.getRoutingStrategyType().compareTo(RoutingStrategyType.ZONE_STRATEGY) == 0) {
zoneRoutingEnabled = true;
} else {
zoneRoutingEnabled = false;
}
this.nonblockingStores = new ConcurrentHashMap<Integer, NonblockingStore>(nonblockingStores);
this.slopStores = slopStores;
if(storeDef.hasHintedHandoffStrategyType()) {
HintedHandoffStrategyFactory factory = new HintedHandoffStrategyFactory(zoneRoutingEnabled,
clientZone.getId());
this.handoffStrategy = factory.updateHintedHandoffStrategy(storeDef, cluster);
} else {
this.handoffStrategy = null;
}
if(jmxEnabled) {
stats = new PipelineRoutedStats();
JmxUtils.registerMbean(stats,
JmxUtils.createObjectName(JmxUtils.getPackageName(stats.getClass()),
getName() + JmxUtils.getJmxId(jmxId)));
}
}
public List<Versioned<byte[]>> get(final ByteArray key, final byte[] transforms) {
StoreUtils.assertValidKey(key);
long startTimeMs = -1;
long startTimeNs = -1;
if(logger.isDebugEnabled()) {
startTimeMs = System.currentTimeMillis();
startTimeNs = System.nanoTime();
}
BasicPipelineData<List<Versioned<byte[]>>> pipelineData = new BasicPipelineData<List<Versioned<byte[]>>>();
if(zoneRoutingEnabled)
pipelineData.setZonesRequired(storeDef.getZoneCountReads());
else
pipelineData.setZonesRequired(null);
pipelineData.setStats(stats);
final Pipeline pipeline = new Pipeline(Operation.GET,
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_OP_CODE),
TimeUnit.MILLISECONDS);
boolean allowReadRepair = repairReads && transforms == null;
StoreRequest<List<Versioned<byte[]>>> blockingStoreRequest = new StoreRequest<List<Versioned<byte[]>>>() {
public List<Versioned<byte[]>> request(Store<ByteArray, byte[], byte[]> store) {
return store.get(key, transforms);
}
};
pipeline.addEventAction(Event.STARTED,
new ConfigureNodes<List<Versioned<byte[]>>, BasicPipelineData<List<Versioned<byte[]>>>>(pipelineData,
Event.CONFIGURED,
failureDetector,
storeDef.getRequiredReads(),
routingStrategy,
key,
clientZone));
pipeline.addEventAction(Event.CONFIGURED,
new PerformParallelRequests<List<Versioned<byte[]>>, BasicPipelineData<List<Versioned<byte[]>>>>(pipelineData,
allowReadRepair ? Event.RESPONSES_RECEIVED
: Event.COMPLETED,
key,
transforms,
failureDetector,
storeDef.getPreferredReads(),
storeDef.getRequiredReads(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_OP_CODE),
nonblockingStores,
Event.INSUFFICIENT_SUCCESSES,
Event.INSUFFICIENT_ZONES));
pipeline.addEventAction(Event.INSUFFICIENT_SUCCESSES,
new PerformSerialRequests<List<Versioned<byte[]>>, BasicPipelineData<List<Versioned<byte[]>>>>(pipelineData,
allowReadRepair ? Event.RESPONSES_RECEIVED
: Event.COMPLETED,
key,
failureDetector,
innerStores,
storeDef.getPreferredReads(),
storeDef.getRequiredReads(),
blockingStoreRequest,
null));
if(allowReadRepair)
pipeline.addEventAction(Event.RESPONSES_RECEIVED,
new ReadRepair<BasicPipelineData<List<Versioned<byte[]>>>>(pipelineData,
Event.COMPLETED,
storeDef.getPreferredReads(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_OP_CODE),
nonblockingStores,
readRepairer));
if(zoneRoutingEnabled)
pipeline.addEventAction(Event.INSUFFICIENT_ZONES,
new PerformZoneSerialRequests<List<Versioned<byte[]>>, BasicPipelineData<List<Versioned<byte[]>>>>(pipelineData,
allowReadRepair ? Event.RESPONSES_RECEIVED
: Event.COMPLETED,
key,
failureDetector,
innerStores,
blockingStoreRequest));
pipeline.addEvent(Event.STARTED);
if(logger.isDebugEnabled()) {
logger.debug("Operation " + pipeline.getOperation().getSimpleName() + " Key "
+ ByteUtils.toHexString(key.get()));
}
try {
pipeline.execute();
} catch(VoldemortException e) {
stats.reportException(e);
throw e;
}
if(pipelineData.getFatalError() != null)
throw pipelineData.getFatalError();
List<Versioned<byte[]>> results = new ArrayList<Versioned<byte[]>>();
for(Response<ByteArray, List<Versioned<byte[]>>> response: pipelineData.getResponses()) {
List<Versioned<byte[]>> value = response.getValue();
if(value != null)
results.addAll(value);
}
if(logger.isDebugEnabled()) {
logger.debug("Finished " + pipeline.getOperation().getSimpleName() + " for key " + key
+ " keyRef: " + System.identityHashCode(key) + "; started at "
+ startTimeMs + " took " + (System.nanoTime() - startTimeNs) + " values: "
+ formatNodeValuesFromGet(pipelineData.getResponses()));
}
return results;
}
private String formatNodeValuesFromGet(List<Response<ByteArray, List<Versioned<byte[]>>>> results) {
// log all retrieved values
StringBuilder builder = new StringBuilder();
builder.append("{");
for(Response<ByteArray, List<Versioned<byte[]>>> r: results) {
builder.append("(nodeId=" + r.getNode().getId() + ", key=" + r.getKey()
+ ", retrieved= " + r.getValue() + "), ");
}
builder.append("}");
return builder.toString();
}
public Map<ByteArray, List<Versioned<byte[]>>> getAll(Iterable<ByteArray> keys,
Map<ByteArray, byte[]> transforms)
throws VoldemortException {
StoreUtils.assertValidKeys(keys);
long startTimeMs = -1;
long startTimeNs = -1;
if(logger.isDebugEnabled()) {
startTimeMs = System.currentTimeMillis();
startTimeNs = System.nanoTime();
}
boolean allowReadRepair = repairReads && (transforms == null || transforms.size() == 0);
GetAllPipelineData pipelineData = new GetAllPipelineData();
if(zoneRoutingEnabled)
pipelineData.setZonesRequired(storeDef.getZoneCountReads());
else
pipelineData.setZonesRequired(null);
pipelineData.setStats(stats);
Pipeline pipeline = new Pipeline(Operation.GET_ALL,
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_ALL_OP_CODE),
TimeUnit.MILLISECONDS);
pipeline.addEventAction(Event.STARTED,
new GetAllConfigureNodes(pipelineData,
Event.CONFIGURED,
failureDetector,
storeDef.getPreferredReads(),
storeDef.getRequiredReads(),
routingStrategy,
keys,
transforms,
clientZone));
pipeline.addEventAction(Event.CONFIGURED,
new PerformParallelGetAllRequests(pipelineData,
Event.INSUFFICIENT_SUCCESSES,
failureDetector,
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_ALL_OP_CODE),
nonblockingStores));
pipeline.addEventAction(Event.INSUFFICIENT_SUCCESSES,
new PerformSerialGetAllRequests(pipelineData,
allowReadRepair ? Event.RESPONSES_RECEIVED
: Event.COMPLETED,
keys,
failureDetector,
innerStores,
storeDef.getPreferredReads(),
storeDef.getRequiredReads(),
timeoutConfig.isPartialGetAllAllowed()));
if(allowReadRepair)
pipeline.addEventAction(Event.RESPONSES_RECEIVED,
new GetAllReadRepair(pipelineData,
Event.COMPLETED,
storeDef.getPreferredReads(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_ALL_OP_CODE),
nonblockingStores,
readRepairer));
pipeline.addEvent(Event.STARTED);
if(logger.isDebugEnabled()) {
StringBuilder keyStr = new StringBuilder();
for(ByteArray key: keys) {
keyStr.append(ByteUtils.toHexString(key.get()) + ",");
}
logger.debug("Operation " + pipeline.getOperation().getSimpleName() + " Keys "
+ keyStr.toString());
}
try {
pipeline.execute();
} catch(VoldemortException e) {
stats.reportException(e);
throw e;
}
if(pipelineData.getFatalError() != null)
throw pipelineData.getFatalError();
if(logger.isDebugEnabled()) {
logger.debug("Finished " + pipeline.getOperation().getSimpleName() + "for keys " + keys
+ " keyRef: " + System.identityHashCode(keys) + "; started at "
+ startTimeMs + " took " + (System.nanoTime() - startTimeNs) + " values: "
+ formatNodeValuesFromGetAll(pipelineData.getResponses()));
}
return pipelineData.getResult();
}
private String formatNodeValuesFromGetAll(List<Response<Iterable<ByteArray>, Map<ByteArray, List<Versioned<byte[]>>>>> list) {
// log all retrieved values
StringBuilder builder = new StringBuilder();
builder.append("{");
for(Response<Iterable<ByteArray>, Map<ByteArray, List<Versioned<byte[]>>>> r: list) {
builder.append("(nodeId=" + r.getNode().getId() + ", key=" + r.getKey()
+ ", retrieved= " + r.getValue() + ")");
builder.append(", ");
}
builder.append("}");
return builder.toString();
}
public List<Version> getVersions(final ByteArray key) {
StoreUtils.assertValidKey(key);
long startTimeMs = -1;
long startTimeNs = -1;
if(logger.isDebugEnabled()) {
startTimeMs = System.currentTimeMillis();
startTimeNs = System.nanoTime();
}
BasicPipelineData<List<Version>> pipelineData = new BasicPipelineData<List<Version>>();
if(zoneRoutingEnabled)
pipelineData.setZonesRequired(storeDef.getZoneCountReads());
else
pipelineData.setZonesRequired(null);
pipelineData.setStats(stats);
Pipeline pipeline = new Pipeline(Operation.GET_VERSIONS,
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_VERSION_OP_CODE),
TimeUnit.MILLISECONDS);
StoreRequest<List<Version>> blockingStoreRequest = new StoreRequest<List<Version>>() {
public List<Version> request(Store<ByteArray, byte[], byte[]> store) {
return store.getVersions(key);
}
};
pipeline.addEventAction(Event.STARTED,
new ConfigureNodes<List<Version>, BasicPipelineData<List<Version>>>(pipelineData,
Event.CONFIGURED,
failureDetector,
storeDef.getRequiredReads(),
routingStrategy,
key,
clientZone));
pipeline.addEventAction(Event.CONFIGURED,
new PerformParallelRequests<List<Version>, BasicPipelineData<List<Version>>>(pipelineData,
Event.COMPLETED,
key,
null,
failureDetector,
storeDef.getPreferredReads(),
storeDef.getRequiredReads(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.GET_VERSION_OP_CODE),
nonblockingStores,
Event.INSUFFICIENT_SUCCESSES,
Event.INSUFFICIENT_ZONES));
pipeline.addEventAction(Event.INSUFFICIENT_SUCCESSES,
new PerformSerialRequests<List<Version>, BasicPipelineData<List<Version>>>(pipelineData,
Event.COMPLETED,
key,
failureDetector,
innerStores,
storeDef.getPreferredReads(),
storeDef.getRequiredReads(),
blockingStoreRequest,
null));
if(zoneRoutingEnabled)
pipeline.addEventAction(Event.INSUFFICIENT_ZONES,
new PerformZoneSerialRequests<List<Version>, BasicPipelineData<List<Version>>>(pipelineData,
Event.COMPLETED,
key,
failureDetector,
innerStores,
blockingStoreRequest));
pipeline.addEvent(Event.STARTED);
if(logger.isDebugEnabled()) {
logger.debug("Operation " + pipeline.getOperation().getSimpleName() + " Key "
+ ByteUtils.toHexString(key.get()));
}
try {
pipeline.execute();
} catch(VoldemortException e) {
stats.reportException(e);
throw e;
}
if(pipelineData.getFatalError() != null)
throw pipelineData.getFatalError();
List<Version> results = new ArrayList<Version>();
for(Response<ByteArray, List<Version>> response: pipelineData.getResponses())
results.addAll(response.getValue());
if(logger.isDebugEnabled()) {
logger.debug("Finished " + pipeline.getOperation().getSimpleName() + " for key " + key
+ " keyRef: " + System.identityHashCode(key) + "; started at "
+ startTimeMs + " took " + (System.nanoTime() - startTimeNs) + " values: "
+ formatNodeValuesFromGetVersions(pipelineData.getResponses()));
}
return results;
}
private <R> String formatNodeValuesFromGetVersions(List<Response<ByteArray, List<Version>>> results) {
// log all retrieved values
StringBuilder builder = new StringBuilder();
builder.append("{");
for(Response<ByteArray, List<Version>> r: results) {
builder.append("(nodeId=" + r.getNode().getId() + ", key=" + r.getKey()
+ ", retrieved= " + r.getValue() + "), ");
}
builder.append("}");
return builder.toString();
}
public boolean delete(final ByteArray key, final Version version) throws VoldemortException {
StoreUtils.assertValidKey(key);
long startTimeMs = -1;
long startTimeNs = -1;
if(logger.isDebugEnabled()) {
startTimeMs = System.currentTimeMillis();
startTimeNs = System.nanoTime();
}
BasicPipelineData<Boolean> pipelineData = new BasicPipelineData<Boolean>();
if(zoneRoutingEnabled)
pipelineData.setZonesRequired(storeDef.getZoneCountWrites());
else
pipelineData.setZonesRequired(null);
pipelineData.setStoreName(name);
pipelineData.setStats(stats);
Pipeline pipeline = new Pipeline(Operation.DELETE,
timeoutConfig.getOperationTimeout(VoldemortOpCode.DELETE_OP_CODE),
TimeUnit.MILLISECONDS);
pipeline.setEnableHintedHandoff(isHintedHandoffEnabled());
HintedHandoff hintedHandoff = null;
if(isHintedHandoffEnabled())
hintedHandoff = new HintedHandoff(failureDetector,
slopStores,
nonblockingSlopStores,
handoffStrategy,
pipelineData.getFailedNodes(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.DELETE_OP_CODE));
pipeline.addEventAction(Event.STARTED,
new ConfigureNodes<Boolean, BasicPipelineData<Boolean>>(pipelineData,
Event.CONFIGURED,
failureDetector,
storeDef.getRequiredWrites(),
routingStrategy,
key,
clientZone));
pipeline.addEventAction(Event.CONFIGURED,
new PerformParallelDeleteRequests<Boolean, BasicPipelineData<Boolean>>(pipelineData,
isHintedHandoffEnabled() ? Event.RESPONSES_RECEIVED
: Event.COMPLETED,
key,
failureDetector,
storeDef.getPreferredWrites(),
storeDef.getRequiredWrites(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.DELETE_OP_CODE),
nonblockingStores,
hintedHandoff,
version));
if(isHintedHandoffEnabled()) {
pipeline.addEventAction(Event.RESPONSES_RECEIVED,
new PerformDeleteHintedHandoff(pipelineData,
Event.COMPLETED,
key,
version,
hintedHandoff));
pipeline.addEventAction(Event.ABORTED, new PerformDeleteHintedHandoff(pipelineData,
Event.ERROR,
key,
version,
hintedHandoff));
}
pipeline.addEvent(Event.STARTED);
if(logger.isDebugEnabled()) {
logger.debug("Operation " + pipeline.getOperation().getSimpleName() + " Key "
+ ByteUtils.toHexString(key.get()));
}
try {
pipeline.execute();
} catch(VoldemortException e) {
stats.reportException(e);
throw e;
}
if(logger.isDebugEnabled()) {
logger.debug("Finished " + pipeline.getOperation().getSimpleName() + " for key "
+ key.get() + " keyRef: " + System.identityHashCode(key) + "; started at "
+ startTimeMs + " took " + (System.nanoTime() - startTimeNs));
}
if(pipelineData.getFatalError() != null)
throw pipelineData.getFatalError();
for(Response<ByteArray, Boolean> response: pipelineData.getResponses()) {
if(response.getValue().booleanValue())
return true;
}
return false;
}
public boolean isHintedHandoffEnabled() {
return slopStores != null;
}
public void put(ByteArray key, Versioned<byte[]> versioned, byte[] transforms)
throws VoldemortException {
long startTimeMs = -1;
long startTimeNs = -1;
if(logger.isDebugEnabled()) {
startTimeMs = System.currentTimeMillis();
startTimeNs = System.nanoTime();
}
StoreUtils.assertValidKey(key);
PutPipelineData pipelineData = new PutPipelineData();
if(zoneRoutingEnabled)
pipelineData.setZonesRequired(storeDef.getZoneCountWrites());
else
pipelineData.setZonesRequired(null);
pipelineData.setStartTimeNs(System.nanoTime());
pipelineData.setStoreName(name);
pipelineData.setStats(stats);
Pipeline pipeline = new Pipeline(Operation.PUT,
timeoutConfig.getOperationTimeout(VoldemortOpCode.PUT_OP_CODE),
TimeUnit.MILLISECONDS);
pipeline.setEnableHintedHandoff(isHintedHandoffEnabled());
HintedHandoff hintedHandoff = null;
if(isHintedHandoffEnabled())
hintedHandoff = new HintedHandoff(failureDetector,
slopStores,
nonblockingSlopStores,
handoffStrategy,
pipelineData.getFailedNodes(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.PUT_OP_CODE));
pipeline.addEventAction(Event.STARTED,
new ConfigureNodes<Void, PutPipelineData>(pipelineData,
Event.CONFIGURED,
failureDetector,
storeDef.getRequiredWrites(),
routingStrategy,
key,
clientZone));
pipeline.addEventAction(Event.CONFIGURED,
new PerformSerialPutRequests(pipelineData,
isHintedHandoffEnabled() ? Event.RESPONSES_RECEIVED
: Event.COMPLETED,
key,
transforms,
failureDetector,
innerStores,
storeDef.getRequiredWrites(),
versioned,
time,
Event.MASTER_DETERMINED));
pipeline.addEventAction(Event.MASTER_DETERMINED,
new PerformParallelPutRequests(pipelineData,
Event.RESPONSES_RECEIVED,
key,
transforms,
failureDetector,
storeDef.getPreferredWrites(),
storeDef.getRequiredWrites(),
timeoutConfig.getOperationTimeout(VoldemortOpCode.PUT_OP_CODE),
nonblockingStores,
hintedHandoff));
if(isHintedHandoffEnabled()) {
pipeline.addEventAction(Event.ABORTED, new PerformPutHintedHandoff(pipelineData,
Event.ERROR,
key,
versioned,
transforms,
hintedHandoff,
time));
pipeline.addEventAction(Event.RESPONSES_RECEIVED,
new PerformPutHintedHandoff(pipelineData,
Event.HANDOFF_FINISHED,
key,
versioned,
transforms,
hintedHandoff,
time));
pipeline.addEventAction(Event.HANDOFF_FINISHED, new IncrementClock(pipelineData,
Event.COMPLETED,
versioned,
time));
} else
pipeline.addEventAction(Event.RESPONSES_RECEIVED, new IncrementClock(pipelineData,
Event.COMPLETED,
versioned,
time));
pipeline.addEvent(Event.STARTED);
if(logger.isDebugEnabled()) {
logger.debug("Operation " + pipeline.getOperation().getSimpleName() + " Key "
+ ByteUtils.toHexString(key.get()));
}
try {
pipeline.execute();
} catch(VoldemortException e) {
stats.reportException(e);
throw e;
}
if(logger.isDebugEnabled()) {
logger.debug("Finished " + pipeline.getOperation().getSimpleName() + " for key " + key
+ " keyRef: " + System.identityHashCode(key) + "; started at "
+ startTimeMs + " took " + (System.nanoTime() - startTimeNs) + " value: "
+ versioned.getValue() + " (size: " + versioned.getValue().length + ")");
}
if(pipelineData.getFatalError() != null)
throw pipelineData.getFatalError();
}
@Override
public void close() {
VoldemortException exception = null;
for(NonblockingStore store: nonblockingStores.values()) {
try {
store.close();
} catch(VoldemortException e) {
exception = e;
}
}
if(exception != null)
throw exception;
super.close();
}
}