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HDDS-12547. Container creation and import use the same VolumeChoosingPolicy (apache#8090)
1 parent 22734a9 commit a21e362

23 files changed

Lines changed: 135 additions & 83 deletions

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‎hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/interfaces/Handler.java‎

Lines changed: 6 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -23,6 +23,7 @@
2323
import java.io.IOException;
2424
import java.io.InputStream;
2525
import java.io.OutputStream;
26+
import java.time.Clock;
2627
import org.apache.hadoop.hdds.conf.ConfigurationSource;
2728
import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos;
2829
import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerCommandRequestProto;
@@ -67,16 +68,18 @@ protected Handler(ConfigurationSource config, String datanodeId,
6768
this.icrSender = icrSender;
6869
}
6970

71+
@SuppressWarnings("checkstyle:ParameterNumber")
7072
public static Handler getHandlerForContainerType(
7173
final ContainerType containerType, final ConfigurationSource config,
7274
final String datanodeId, final ContainerSet contSet,
73-
final VolumeSet volumeSet, final ContainerMetrics metrics,
75+
final VolumeSet volumeSet, final VolumeChoosingPolicy volumeChoosingPolicy,
76+
final ContainerMetrics metrics,
7477
IncrementalReportSender<Container> icrSender) {
7578
switch (containerType) {
7679
case KeyValueContainer:
7780
return new KeyValueHandler(config,
78-
datanodeId, contSet, volumeSet, metrics,
79-
icrSender);
81+
datanodeId, contSet, volumeSet, volumeChoosingPolicy, metrics,
82+
icrSender, Clock.systemUTC());
8083
default:
8184
throw new IllegalArgumentException("Handler for ContainerType: " +
8285
containerType + "doesn't exist.");

‎hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java‎

Lines changed: 11 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -49,6 +49,7 @@
4949
import org.apache.hadoop.ozone.HddsDatanodeService;
5050
import org.apache.hadoop.ozone.HddsDatanodeStopService;
5151
import org.apache.hadoop.ozone.container.common.DatanodeLayoutStorage;
52+
import org.apache.hadoop.ozone.container.common.interfaces.VolumeChoosingPolicy;
5253
import org.apache.hadoop.ozone.container.common.report.ReportManager;
5354
import org.apache.hadoop.ozone.container.common.statemachine.commandhandler.CloseContainerCommandHandler;
5455
import org.apache.hadoop.ozone.container.common.statemachine.commandhandler.ClosePipelineCommandHandler;
@@ -61,6 +62,7 @@
6162
import org.apache.hadoop.ozone.container.common.statemachine.commandhandler.RefreshVolumeUsageCommandHandler;
6263
import org.apache.hadoop.ozone.container.common.statemachine.commandhandler.ReplicateContainerCommandHandler;
6364
import org.apache.hadoop.ozone.container.common.statemachine.commandhandler.SetNodeOperationalStateCommandHandler;
65+
import org.apache.hadoop.ozone.container.common.volume.VolumeChoosingPolicyFactory;
6466
import org.apache.hadoop.ozone.container.ec.reconstruction.ECReconstructionCoordinator;
6567
import org.apache.hadoop.ozone.container.ec.reconstruction.ECReconstructionMetrics;
6668
import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer;
@@ -97,6 +99,7 @@ public class DatanodeStateMachine implements Closeable {
9799
private final SCMConnectionManager connectionManager;
98100
private final ECReconstructionCoordinator ecReconstructionCoordinator;
99101
private StateContext context;
102+
private VolumeChoosingPolicy volumeChoosingPolicy;
100103
private final OzoneContainer container;
101104
private final DatanodeDetails datanodeDetails;
102105
private final CommandDispatcher commandDispatcher;
@@ -173,13 +176,14 @@ public DatanodeStateMachine(HddsDatanodeService hddsDatanodeService,
173176
connectionManager = new SCMConnectionManager(conf);
174177
context = new StateContext(this.conf, DatanodeStates.getInitState(), this,
175178
threadNamePrefix);
179+
volumeChoosingPolicy = VolumeChoosingPolicyFactory.getPolicy(conf);
176180
// OzoneContainer instance is used in a non-thread safe way by the context
177181
// past to its constructor, so we much synchronize its access. See
178182
// HDDS-3116 for more details.
179183
constructionLock.writeLock().lock();
180184
try {
181185
container = new OzoneContainer(hddsDatanodeService, this.datanodeDetails,
182-
conf, context, certClient, secretKeyClient);
186+
conf, context, certClient, secretKeyClient, volumeChoosingPolicy);
183187
} finally {
184188
constructionLock.writeLock().unlock();
185189
}
@@ -188,7 +192,8 @@ public DatanodeStateMachine(HddsDatanodeService hddsDatanodeService,
188192
ContainerImporter importer = new ContainerImporter(conf,
189193
container.getContainerSet(),
190194
container.getController(),
191-
container.getVolumeSet());
195+
container.getVolumeSet(),
196+
volumeChoosingPolicy);
192197
ContainerReplicator pullReplicator = new DownloadAndImportReplicator(
193198
conf, container.getContainerSet(),
194199
importer,
@@ -744,4 +749,8 @@ public DatanodeQueueMetrics getQueueMetrics() {
744749
public ReconfigurationHandler getReconfigurationHandler() {
745750
return reconfigurationHandler;
746751
}
752+
753+
public VolumeChoosingPolicy getVolumeChoosingPolicy() {
754+
return volumeChoosingPolicy;
755+
}
747756
}

‎hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/volume/VolumeChoosingPolicyFactory.java‎

Lines changed: 6 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@
2222
import org.apache.hadoop.hdds.HddsConfigKeys;
2323
import org.apache.hadoop.hdds.conf.ConfigurationSource;
2424
import org.apache.hadoop.ozone.container.common.interfaces.VolumeChoosingPolicy;
25+
import org.apache.ratis.util.ReflectionUtils;
2526

2627
/**
2728
* A factory to create volume choosing policy instance based on configuration
@@ -35,10 +36,10 @@ public final class VolumeChoosingPolicyFactory {
3536
private VolumeChoosingPolicyFactory() {
3637
}
3738

38-
public static VolumeChoosingPolicy getPolicy(ConfigurationSource conf)
39-
throws InstantiationException, IllegalAccessException {
40-
return conf.getClass(HDDS_DATANODE_VOLUME_CHOOSING_POLICY,
41-
DEFAULT_VOLUME_CHOOSING_POLICY, VolumeChoosingPolicy.class)
42-
.newInstance();
39+
public static VolumeChoosingPolicy getPolicy(ConfigurationSource conf) {
40+
Class<? extends VolumeChoosingPolicy> policyClass = conf.getClass(
41+
HDDS_DATANODE_VOLUME_CHOOSING_POLICY,
42+
DEFAULT_VOLUME_CHOOSING_POLICY, VolumeChoosingPolicy.class);
43+
return ReflectionUtils.newInstance(policyClass);
4344
}
4445
}

‎hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueHandler.java‎

Lines changed: 5 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -157,13 +157,15 @@ public KeyValueHandler(ConfigurationSource config,
157157
VolumeSet volSet,
158158
ContainerMetrics metrics,
159159
IncrementalReportSender<Container> icrSender) {
160-
this(config, datanodeId, contSet, volSet, metrics, icrSender, Clock.systemUTC());
160+
this(config, datanodeId, contSet, volSet, null, metrics, icrSender, Clock.systemUTC());
161161
}
162162

163+
@SuppressWarnings("checkstyle:ParameterNumber")
163164
public KeyValueHandler(ConfigurationSource config,
164165
String datanodeId,
165166
ContainerSet contSet,
166167
VolumeSet volSet,
168+
VolumeChoosingPolicy volumeChoosingPolicy,
167169
ContainerMetrics metrics,
168170
IncrementalReportSender<Container> icrSender,
169171
Clock clock) {
@@ -174,11 +176,8 @@ public KeyValueHandler(ConfigurationSource config,
174176
DatanodeConfiguration.class).isChunkDataValidationCheck();
175177
chunkManager = ChunkManagerFactory.createChunkManager(config, blockManager,
176178
volSet);
177-
try {
178-
volumeChoosingPolicy = VolumeChoosingPolicyFactory.getPolicy(conf);
179-
} catch (Exception e) {
180-
throw new RuntimeException(e);
181-
}
179+
this.volumeChoosingPolicy = volumeChoosingPolicy != null ? volumeChoosingPolicy
180+
: VolumeChoosingPolicyFactory.getPolicy(config);
182181

183182
maxContainerSize = (long) config.getStorageSize(
184183
ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE,
@@ -216,11 +215,6 @@ public KeyValueHandler(ConfigurationSource config,
216215
}
217216
}
218217

219-
@VisibleForTesting
220-
public VolumeChoosingPolicy getVolumeChoosingPolicyForTesting() {
221-
return volumeChoosingPolicy;
222-
}
223-
224218
@Override
225219
public StateMachine.DataChannel getStreamDataChannel(
226220
Container container, ContainerCommandRequestProto msg)

‎hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/ozoneimpl/OzoneContainer.java‎

Lines changed: 8 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -74,6 +74,7 @@
7474
import org.apache.hadoop.ozone.container.common.interfaces.Container;
7575
import org.apache.hadoop.ozone.container.common.interfaces.ContainerDispatcher;
7676
import org.apache.hadoop.ozone.container.common.interfaces.Handler;
77+
import org.apache.hadoop.ozone.container.common.interfaces.VolumeChoosingPolicy;
7778
import org.apache.hadoop.ozone.container.common.report.IncrementalReportSender;
7879
import org.apache.hadoop.ozone.container.common.statemachine.DatanodeConfiguration;
7980
import org.apache.hadoop.ozone.container.common.statemachine.StateContext;
@@ -152,7 +153,8 @@ enum InitializingStatus {
152153
public OzoneContainer(HddsDatanodeService hddsDatanodeService,
153154
DatanodeDetails datanodeDetails, ConfigurationSource conf,
154155
StateContext context, CertificateClient certClient,
155-
SecretKeyVerifierClient secretKeyClient) throws IOException {
156+
SecretKeyVerifierClient secretKeyClient,
157+
VolumeChoosingPolicy volumeChoosingPolicy) throws IOException {
156158
config = conf;
157159
this.datanodeDetails = datanodeDetails;
158160
this.context = context;
@@ -214,7 +216,7 @@ public OzoneContainer(HddsDatanodeService hddsDatanodeService,
214216
Handler.getHandlerForContainerType(
215217
containerType, conf,
216218
context.getParent().getDatanodeDetails().getUuidString(),
217-
containerSet, volumeSet, metrics, icrSender));
219+
containerSet, volumeSet, volumeChoosingPolicy, metrics, icrSender));
218220
}
219221

220222
SecurityConfig secConf = new SecurityConfig(conf);
@@ -239,7 +241,7 @@ public OzoneContainer(HddsDatanodeService hddsDatanodeService,
239241
secConf,
240242
certClient,
241243
new ContainerImporter(conf, containerSet, controller,
242-
volumeSet),
244+
volumeSet, volumeChoosingPolicy),
243245
datanodeDetails.threadNamePrefix());
244246

245247
readChannel = new XceiverServerGrpc(
@@ -299,8 +301,9 @@ public OzoneContainer(HddsDatanodeService hddsDatanodeService,
299301
@VisibleForTesting
300302
public OzoneContainer(
301303
DatanodeDetails datanodeDetails, ConfigurationSource conf,
302-
StateContext context) throws IOException {
303-
this(null, datanodeDetails, conf, context, null, null);
304+
StateContext context, VolumeChoosingPolicy volumeChoosingPolicy)
305+
throws IOException {
306+
this(null, datanodeDetails, conf, context, null, null, volumeChoosingPolicy);
304307
}
305308

306309
public GrpcTlsConfig getTlsClientConfig() {

‎hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/replication/ContainerImporter.java‎

Lines changed: 3 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -40,7 +40,6 @@
4040
import org.apache.hadoop.ozone.container.common.utils.StorageVolumeUtil;
4141
import org.apache.hadoop.ozone.container.common.volume.HddsVolume;
4242
import org.apache.hadoop.ozone.container.common.volume.MutableVolumeSet;
43-
import org.apache.hadoop.ozone.container.common.volume.VolumeChoosingPolicyFactory;
4443
import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainerData;
4544
import org.apache.hadoop.ozone.container.keyvalue.TarContainerPacker;
4645
import org.apache.hadoop.ozone.container.ozoneimpl.ContainerController;
@@ -71,15 +70,12 @@ public class ContainerImporter {
7170
public ContainerImporter(@Nonnull ConfigurationSource conf,
7271
@Nonnull ContainerSet containerSet,
7372
@Nonnull ContainerController controller,
74-
@Nonnull MutableVolumeSet volumeSet) {
73+
@Nonnull MutableVolumeSet volumeSet,
74+
@Nonnull VolumeChoosingPolicy volumeChoosingPolicy) {
7575
this.containerSet = containerSet;
7676
this.controller = controller;
7777
this.volumeSet = volumeSet;
78-
try {
79-
volumeChoosingPolicy = VolumeChoosingPolicyFactory.getPolicy(conf);
80-
} catch (Exception e) {
81-
throw new RuntimeException(e);
82-
}
78+
this.volumeChoosingPolicy = volumeChoosingPolicy;
8379
containerSize = (long) conf.getStorageSize(
8480
ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE,
8581
ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE_DEFAULT, StorageUnit.BYTES);

‎hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/ContainerTestUtils.java‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -68,6 +68,7 @@
6868
import org.apache.hadoop.ozone.container.common.volume.HddsVolume;
6969
import org.apache.hadoop.ozone.container.common.volume.MutableVolumeSet;
7070
import org.apache.hadoop.ozone.container.common.volume.RoundRobinVolumeChoosingPolicy;
71+
import org.apache.hadoop.ozone.container.common.volume.VolumeChoosingPolicyFactory;
7172
import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainer;
7273
import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainerData;
7374
import org.apache.hadoop.ozone.container.keyvalue.helpers.KeyValueContainerUtil;
@@ -132,7 +133,8 @@ public static OzoneContainer getOzoneContainer(
132133
DatanodeDetails datanodeDetails, OzoneConfiguration conf)
133134
throws IOException {
134135
StateContext context = getMockContext(datanodeDetails, conf);
135-
return new OzoneContainer(datanodeDetails, conf, context);
136+
VolumeChoosingPolicy volumeChoosingPolicy = VolumeChoosingPolicyFactory.getPolicy(conf);
137+
return new OzoneContainer(datanodeDetails, conf, context, volumeChoosingPolicy);
136138
}
137139

138140
public static StateContext getMockContext(DatanodeDetails datanodeDetails,

‎hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/TestDatanodeStateMachine.java‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -44,12 +44,14 @@
4444
import org.apache.hadoop.ozone.OzoneConfigKeys;
4545
import org.apache.hadoop.ozone.OzoneConsts;
4646
import org.apache.hadoop.ozone.container.common.helpers.ContainerUtils;
47+
import org.apache.hadoop.ozone.container.common.interfaces.VolumeChoosingPolicy;
4748
import org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine;
4849
import org.apache.hadoop.ozone.container.common.statemachine.EndpointStateMachine;
4950
import org.apache.hadoop.ozone.container.common.statemachine.SCMConnectionManager;
5051
import org.apache.hadoop.ozone.container.common.states.DatanodeState;
5152
import org.apache.hadoop.ozone.container.common.states.datanode.InitDatanodeState;
5253
import org.apache.hadoop.ozone.container.common.states.datanode.RunningDatanodeState;
54+
import org.apache.hadoop.ozone.container.common.volume.CapacityVolumeChoosingPolicy;
5355
import org.apache.hadoop.util.concurrent.HadoopExecutors;
5456
import org.apache.ozone.test.GenericTestUtils;
5557
import org.junit.jupiter.api.AfterEach;
@@ -204,6 +206,8 @@ public void testDatanodeStateContext() throws IOException,
204206
ContainerUtils.writeDatanodeDetailsTo(datanodeDetails, idPath, conf);
205207
try (DatanodeStateMachine stateMachine =
206208
new DatanodeStateMachine(datanodeDetails, conf)) {
209+
VolumeChoosingPolicy volumeChoosingPolicy = stateMachine.getVolumeChoosingPolicy();
210+
assertEquals(CapacityVolumeChoosingPolicy.class, volumeChoosingPolicy.getClass());
207211
DatanodeStateMachine.DatanodeStates currentState =
208212
stateMachine.getContext().getState();
209213
assertEquals(DatanodeStateMachine.DatanodeStates.INIT,

‎hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/impl/TestHddsDispatcher.java‎

Lines changed: 13 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -76,6 +76,7 @@
7676
import org.apache.hadoop.ozone.container.common.helpers.ContainerMetrics;
7777
import org.apache.hadoop.ozone.container.common.interfaces.Container;
7878
import org.apache.hadoop.ozone.container.common.interfaces.Handler;
79+
import org.apache.hadoop.ozone.container.common.interfaces.VolumeChoosingPolicy;
7980
import org.apache.hadoop.ozone.container.common.report.IncrementalReportSender;
8081
import org.apache.hadoop.ozone.container.common.statemachine.DatanodeConfiguration;
8182
import org.apache.hadoop.ozone.container.common.statemachine.StateContext;
@@ -87,13 +88,15 @@
8788
import org.apache.hadoop.ozone.container.common.volume.MutableVolumeSet;
8889
import org.apache.hadoop.ozone.container.common.volume.RoundRobinVolumeChoosingPolicy;
8990
import org.apache.hadoop.ozone.container.common.volume.StorageVolume;
91+
import org.apache.hadoop.ozone.container.common.volume.VolumeChoosingPolicyFactory;
9092
import org.apache.hadoop.ozone.container.common.volume.VolumeSet;
9193
import org.apache.hadoop.ozone.container.keyvalue.ContainerLayoutTestInfo;
9294
import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainer;
9395
import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainerData;
9496
import org.apache.hadoop.security.token.Token;
9597
import org.apache.ozone.test.GenericTestUtils.LogCapturer;
9698
import org.apache.ratis.thirdparty.com.google.protobuf.ByteString;
99+
import org.junit.jupiter.api.BeforeAll;
97100
import org.junit.jupiter.api.Test;
98101
import org.junit.jupiter.api.io.TempDir;
99102
import org.slf4j.Logger;
@@ -111,10 +114,17 @@ public class TestHddsDispatcher {
111114
@TempDir
112115
private File testDir;
113116

117+
private static VolumeChoosingPolicy volumeChoosingPolicy;
118+
114119
public static final IncrementalReportSender<Container> NO_OP_ICR_SENDER =
115120
c -> {
116121
};
117122

123+
@BeforeAll
124+
public static void init() {
125+
volumeChoosingPolicy = VolumeChoosingPolicyFactory.getPolicy(new OzoneConfiguration());
126+
}
127+
118128
@ContainerLayoutTestInfo.ContainerTest
119129
public void testContainerCloseActionWhenFull(
120130
ContainerLayoutVersion layout) throws IOException {
@@ -147,7 +157,7 @@ public void testContainerCloseActionWhenFull(
147157
handlers.put(containerType,
148158
Handler.getHandlerForContainerType(containerType, conf,
149159
context.getParent().getDatanodeDetails().getUuidString(),
150-
containerSet, volumeSet, metrics, NO_OP_ICR_SENDER));
160+
containerSet, volumeSet, volumeChoosingPolicy, metrics, NO_OP_ICR_SENDER));
151161
}
152162
HddsDispatcher hddsDispatcher = new HddsDispatcher(
153163
conf, containerSet, volumeSet, handlers, context, metrics, null);
@@ -284,7 +294,7 @@ public void testContainerCloseActionWhenVolumeFull(
284294
handlers.put(containerType,
285295
Handler.getHandlerForContainerType(containerType, conf,
286296
context.getParent().getDatanodeDetails().getUuidString(),
287-
containerSet, volumeSet, metrics, NO_OP_ICR_SENDER));
297+
containerSet, volumeSet, volumeChoosingPolicy, metrics, NO_OP_ICR_SENDER));
288298
}
289299
HddsDispatcher hddsDispatcher = new HddsDispatcher(
290300
conf, containerSet, volumeSet, handlers, context, metrics, null);
@@ -531,7 +541,7 @@ static HddsDispatcher createDispatcher(DatanodeDetails dd, UUID scmId,
531541
handlers.put(containerType,
532542
Handler.getHandlerForContainerType(containerType, conf,
533543
context.getParent().getDatanodeDetails().getUuidString(),
534-
containerSet, volumeSet, metrics, NO_OP_ICR_SENDER));
544+
containerSet, volumeSet, volumeChoosingPolicy, metrics, NO_OP_ICR_SENDER));
535545
}
536546

537547
final HddsDispatcher hddsDispatcher = new HddsDispatcher(conf,

‎hadoop-hdds/container-service/src/test/java/org/apache/hadoop/ozone/container/common/interfaces/TestHandler.java‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -33,6 +33,7 @@
3333
import org.apache.hadoop.ozone.container.common.impl.TestHddsDispatcher;
3434
import org.apache.hadoop.ozone.container.common.statemachine.StateContext;
3535
import org.apache.hadoop.ozone.container.common.volume.MutableVolumeSet;
36+
import org.apache.hadoop.ozone.container.common.volume.VolumeChoosingPolicyFactory;
3637
import org.apache.hadoop.ozone.container.common.volume.VolumeSet;
3738
import org.apache.hadoop.ozone.container.keyvalue.KeyValueHandler;
3839
import org.junit.jupiter.api.AfterEach;
@@ -56,6 +57,7 @@ public void setup() throws Exception {
5657
this.conf = new OzoneConfiguration();
5758
this.containerSet = mock(ContainerSet.class);
5859
this.volumeSet = mock(MutableVolumeSet.class);
60+
VolumeChoosingPolicy volumeChoosingPolicy = VolumeChoosingPolicyFactory.getPolicy(conf);
5961
DatanodeDetails datanodeDetails = mock(DatanodeDetails.class);
6062
StateContext context = ContainerTestUtils.getMockContext(
6163
datanodeDetails, conf);
@@ -67,7 +69,7 @@ public void setup() throws Exception {
6769
Handler.getHandlerForContainerType(
6870
containerType, conf,
6971
context.getParent().getDatanodeDetails().getUuidString(),
70-
containerSet, volumeSet, metrics,
72+
containerSet, volumeSet, volumeChoosingPolicy, metrics,
7173
TestHddsDispatcher.NO_OP_ICR_SENDER));
7274
}
7375
this.dispatcher = new HddsDispatcher(

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