opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DatastoreContext.java

   1 /*
   2  * Copyright (c) 2014 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.cluster.datastore;
  10
  11 import akka.util.Timeout;
  12 import com.google.common.annotations.VisibleForTesting;
  13 import com.google.common.base.Preconditions;
  14 import com.google.common.collect.Sets;
  15 import java.util.Set;
  16 import java.util.concurrent.TimeUnit;
  17 import org.apache.commons.lang3.text.WordUtils;
  18 import org.opendaylight.controller.cluster.common.actor.AkkaConfigurationReader;
  19 import org.opendaylight.controller.cluster.common.actor.FileAkkaConfigurationReader;
  20 import org.opendaylight.controller.cluster.raft.ConfigParams;
  21 import org.opendaylight.controller.cluster.raft.DefaultConfigParamsImpl;
  22 import org.opendaylight.controller.cluster.raft.PeerAddressResolver;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreConfigProperties;
  25 import scala.concurrent.duration.Duration;
  26 import scala.concurrent.duration.FiniteDuration;
  27
  28 /**
  29  * Contains contextual data for a data store.
  30  *
  31  * @author Thomas Pantelis
  32  */
  33 public class DatastoreContext {
  34     public static final String METRICS_DOMAIN = "org.opendaylight.controller.cluster.datastore";
  35
  36     public static final Duration DEFAULT_SHARD_TRANSACTION_IDLE_TIMEOUT = Duration.create(10, TimeUnit.MINUTES);
  37     public static final int DEFAULT_OPERATION_TIMEOUT_IN_MS = 5000;
  38     public static final int DEFAULT_SHARD_TX_COMMIT_TIMEOUT_IN_SECONDS = 30;
  39     public static final int DEFAULT_JOURNAL_RECOVERY_BATCH_SIZE = 1;
  40     public static final int DEFAULT_SNAPSHOT_BATCH_COUNT = 20000;
  41     public static final int DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS = 500;
  42     public static final int DEFAULT_ISOLATED_LEADER_CHECK_INTERVAL_IN_MILLIS =
  43             DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS * 10;
  44     public static final int DEFAULT_SHARD_TX_COMMIT_QUEUE_CAPACITY = 50000;
  45     public static final Timeout DEFAULT_SHARD_INITIALIZATION_TIMEOUT = new Timeout(5, TimeUnit.MINUTES);
  46     public static final Timeout DEFAULT_SHARD_LEADER_ELECTION_TIMEOUT = new Timeout(30, TimeUnit.SECONDS);
  47     public static final boolean DEFAULT_PERSISTENT = true;
  48     public static final FileAkkaConfigurationReader DEFAULT_CONFIGURATION_READER = new FileAkkaConfigurationReader();
  49     public static final int DEFAULT_SHARD_SNAPSHOT_DATA_THRESHOLD_PERCENTAGE = 12;
  50     public static final int DEFAULT_SHARD_ELECTION_TIMEOUT_FACTOR = 2;
  51     public static final int DEFAULT_TX_CREATION_INITIAL_RATE_LIMIT = 100;
  52     public static final String UNKNOWN_DATA_STORE_TYPE = "unknown";
  53     public static final int DEFAULT_SHARD_BATCHED_MODIFICATION_COUNT = 1000;
  54     public static final long DEFAULT_SHARD_COMMIT_QUEUE_EXPIRY_TIMEOUT_IN_MS =
  55             TimeUnit.MILLISECONDS.convert(2, TimeUnit.MINUTES);
  56     public static final int DEFAULT_SHARD_SNAPSHOT_CHUNK_SIZE = 2048000;
  57
  58     private static final Set<String> GLOBAL_DATASTORE_NAMES = Sets.newConcurrentHashSet();
  59
  60     private InMemoryDOMDataStoreConfigProperties dataStoreProperties;
  61     private Duration shardTransactionIdleTimeout = DatastoreContext.DEFAULT_SHARD_TRANSACTION_IDLE_TIMEOUT;
  62     private long operationTimeoutInMillis = DEFAULT_OPERATION_TIMEOUT_IN_MS;
  63     private String dataStoreMXBeanType;
  64     private int shardTransactionCommitTimeoutInSeconds = DEFAULT_SHARD_TX_COMMIT_TIMEOUT_IN_SECONDS;
  65     private int shardTransactionCommitQueueCapacity = DEFAULT_SHARD_TX_COMMIT_QUEUE_CAPACITY;
  66     private Timeout shardInitializationTimeout = DEFAULT_SHARD_INITIALIZATION_TIMEOUT;
  67     private Timeout shardLeaderElectionTimeout = DEFAULT_SHARD_LEADER_ELECTION_TIMEOUT;
  68     private boolean persistent = DEFAULT_PERSISTENT;
  69     private AkkaConfigurationReader configurationReader = DEFAULT_CONFIGURATION_READER;
  70     private long transactionCreationInitialRateLimit = DEFAULT_TX_CREATION_INITIAL_RATE_LIMIT;
  71     private final DefaultConfigParamsImpl raftConfig = new DefaultConfigParamsImpl();
  72     private String dataStoreName = UNKNOWN_DATA_STORE_TYPE;
  73     private LogicalDatastoreType logicalStoreType = LogicalDatastoreType.OPERATIONAL;
  74     private int shardBatchedModificationCount = DEFAULT_SHARD_BATCHED_MODIFICATION_COUNT;
  75     private boolean writeOnlyTransactionOptimizationsEnabled = true;
  76     private long shardCommitQueueExpiryTimeoutInMillis = DEFAULT_SHARD_COMMIT_QUEUE_EXPIRY_TIMEOUT_IN_MS;
  77     private boolean transactionDebugContextEnabled = false;
  78     private String shardManagerPersistenceId;
  79
  80     public static Set<String> getGlobalDatastoreNames() {
  81         return GLOBAL_DATASTORE_NAMES;
  82     }
  83
  84     private DatastoreContext() {
  85         setShardJournalRecoveryLogBatchSize(DEFAULT_JOURNAL_RECOVERY_BATCH_SIZE);
  86         setSnapshotBatchCount(DEFAULT_SNAPSHOT_BATCH_COUNT);
  87         setHeartbeatInterval(DEFAULT_HEARTBEAT_INTERVAL_IN_MILLIS);
  88         setIsolatedLeaderCheckInterval(DEFAULT_ISOLATED_LEADER_CHECK_INTERVAL_IN_MILLIS);
  89         setSnapshotDataThresholdPercentage(DEFAULT_SHARD_SNAPSHOT_DATA_THRESHOLD_PERCENTAGE);
  90         setElectionTimeoutFactor(DEFAULT_SHARD_ELECTION_TIMEOUT_FACTOR);
  91         setShardSnapshotChunkSize(DEFAULT_SHARD_SNAPSHOT_CHUNK_SIZE);
  92     }
  93
  94     private DatastoreContext(DatastoreContext other) {
  95         this.dataStoreProperties = other.dataStoreProperties;
  96         this.shardTransactionIdleTimeout = other.shardTransactionIdleTimeout;
  97         this.operationTimeoutInMillis = other.operationTimeoutInMillis;
  98         this.dataStoreMXBeanType = other.dataStoreMXBeanType;
  99         this.shardTransactionCommitTimeoutInSeconds = other.shardTransactionCommitTimeoutInSeconds;
 100         this.shardTransactionCommitQueueCapacity = other.shardTransactionCommitQueueCapacity;
 101         this.shardInitializationTimeout = other.shardInitializationTimeout;
 102         this.shardLeaderElectionTimeout = other.shardLeaderElectionTimeout;
 103         this.persistent = other.persistent;
 104         this.configurationReader = other.configurationReader;
 105         this.transactionCreationInitialRateLimit = other.transactionCreationInitialRateLimit;
 106         this.dataStoreName = other.dataStoreName;
 107         this.logicalStoreType = other.logicalStoreType;
 108         this.shardBatchedModificationCount = other.shardBatchedModificationCount;
 109         this.writeOnlyTransactionOptimizationsEnabled = other.writeOnlyTransactionOptimizationsEnabled;
 110         this.shardCommitQueueExpiryTimeoutInMillis = other.shardCommitQueueExpiryTimeoutInMillis;
 111         this.transactionDebugContextEnabled = other.transactionDebugContextEnabled;
 112         this.shardManagerPersistenceId = other.shardManagerPersistenceId;
 113
 114         setShardJournalRecoveryLogBatchSize(other.raftConfig.getJournalRecoveryLogBatchSize());
 115         setSnapshotBatchCount(other.raftConfig.getSnapshotBatchCount());
 116         setHeartbeatInterval(other.raftConfig.getHeartBeatInterval().toMillis());
 117         setIsolatedLeaderCheckInterval(other.raftConfig.getIsolatedCheckIntervalInMillis());
 118         setSnapshotDataThresholdPercentage(other.raftConfig.getSnapshotDataThresholdPercentage());
 119         setElectionTimeoutFactor(other.raftConfig.getElectionTimeoutFactor());
 120         setCustomRaftPolicyImplementation(other.raftConfig.getCustomRaftPolicyImplementationClass());
 121         setShardSnapshotChunkSize(other.raftConfig.getSnapshotChunkSize());
 122         setPeerAddressResolver(other.raftConfig.getPeerAddressResolver());
 123     }
 124
 125     public static Builder newBuilder() {
 126         return new Builder(new DatastoreContext());
 127     }
 128
 129     public static Builder newBuilderFrom(DatastoreContext context) {
 130         return new Builder(new DatastoreContext(context));
 131     }
 132
 133     public InMemoryDOMDataStoreConfigProperties getDataStoreProperties() {
 134         return dataStoreProperties;
 135     }
 136
 137     public Duration getShardTransactionIdleTimeout() {
 138         return shardTransactionIdleTimeout;
 139     }
 140
 141     public String getDataStoreMXBeanType() {
 142         return dataStoreMXBeanType;
 143     }
 144
 145     public long getOperationTimeoutInMillis() {
 146         return operationTimeoutInMillis;
 147     }
 148
 149     public ConfigParams getShardRaftConfig() {
 150         return raftConfig;
 151     }
 152
 153     public int getShardTransactionCommitTimeoutInSeconds() {
 154         return shardTransactionCommitTimeoutInSeconds;
 155     }
 156
 157     public int getShardTransactionCommitQueueCapacity() {
 158         return shardTransactionCommitQueueCapacity;
 159     }
 160
 161     public Timeout getShardInitializationTimeout() {
 162         return shardInitializationTimeout;
 163     }
 164
 165     public Timeout getShardLeaderElectionTimeout() {
 166         return shardLeaderElectionTimeout;
 167     }
 168
 169     public boolean isPersistent() {
 170         return persistent;
 171     }
 172
 173     public AkkaConfigurationReader getConfigurationReader() {
 174         return configurationReader;
 175     }
 176
 177     public long getShardElectionTimeoutFactor() {
 178         return raftConfig.getElectionTimeoutFactor();
 179     }
 180
 181     public String getDataStoreName() {
 182         return dataStoreName;
 183     }
 184
 185     public LogicalDatastoreType getLogicalStoreType() {
 186         return logicalStoreType;
 187     }
 188
 189     public long getTransactionCreationInitialRateLimit() {
 190         return transactionCreationInitialRateLimit;
 191     }
 192
 193     public String getShardManagerPersistenceId() {
 194         return shardManagerPersistenceId;
 195     }
 196
 197     private void setPeerAddressResolver(PeerAddressResolver resolver) {
 198         raftConfig.setPeerAddressResolver(resolver);
 199     }
 200
 201     private void setHeartbeatInterval(long shardHeartbeatIntervalInMillis) {
 202         raftConfig.setHeartBeatInterval(new FiniteDuration(shardHeartbeatIntervalInMillis,
 203                 TimeUnit.MILLISECONDS));
 204     }
 205
 206     private void setShardJournalRecoveryLogBatchSize(int shardJournalRecoveryLogBatchSize) {
 207         raftConfig.setJournalRecoveryLogBatchSize(shardJournalRecoveryLogBatchSize);
 208     }
 209
 210
 211     private void setIsolatedLeaderCheckInterval(long shardIsolatedLeaderCheckIntervalInMillis) {
 212         raftConfig.setIsolatedLeaderCheckInterval(
 213                 new FiniteDuration(shardIsolatedLeaderCheckIntervalInMillis, TimeUnit.MILLISECONDS));
 214     }
 215
 216     private void setElectionTimeoutFactor(long shardElectionTimeoutFactor) {
 217         raftConfig.setElectionTimeoutFactor(shardElectionTimeoutFactor);
 218     }
 219
 220     private void setCustomRaftPolicyImplementation(String customRaftPolicyImplementation) {
 221         raftConfig.setCustomRaftPolicyImplementationClass(customRaftPolicyImplementation);
 222     }
 223
 224     private void setSnapshotDataThresholdPercentage(int shardSnapshotDataThresholdPercentage) {
 225         Preconditions.checkArgument(shardSnapshotDataThresholdPercentage >= 0
 226                 && shardSnapshotDataThresholdPercentage <= 100);
 227         raftConfig.setSnapshotDataThresholdPercentage(shardSnapshotDataThresholdPercentage);
 228     }
 229
 230     private void setSnapshotBatchCount(long shardSnapshotBatchCount) {
 231         raftConfig.setSnapshotBatchCount(shardSnapshotBatchCount);
 232     }
 233
 234     private void setShardSnapshotChunkSize(int shardSnapshotChunkSize) {
 235         raftConfig.setSnapshotChunkSize(shardSnapshotChunkSize);
 236     }
 237
 238     public int getShardBatchedModificationCount() {
 239         return shardBatchedModificationCount;
 240     }
 241
 242     public boolean isWriteOnlyTransactionOptimizationsEnabled() {
 243         return writeOnlyTransactionOptimizationsEnabled;
 244     }
 245
 246     public long getShardCommitQueueExpiryTimeoutInMillis() {
 247         return shardCommitQueueExpiryTimeoutInMillis;
 248     }
 249
 250     public boolean isTransactionDebugContextEnabled() {
 251         return transactionDebugContextEnabled;
 252     }
 253
 254     public int getShardSnapshotChunkSize() {
 255         return raftConfig.getSnapshotChunkSize();
 256     }
 257
 258     public static class Builder {
 259         private final DatastoreContext datastoreContext;
 260         private int maxShardDataChangeExecutorPoolSize =
 261                 InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_EXECUTOR_POOL_SIZE;
 262         private int maxShardDataChangeExecutorQueueSize =
 263                 InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_EXECUTOR_QUEUE_SIZE;
 264         private int maxShardDataChangeListenerQueueSize =
 265                 InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_LISTENER_QUEUE_SIZE;
 266         private int maxShardDataStoreExecutorQueueSize =
 267                 InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_STORE_EXECUTOR_QUEUE_SIZE;
 268
 269         private Builder(DatastoreContext datastoreContext) {
 270             this.datastoreContext = datastoreContext;
 271
 272             if (datastoreContext.getDataStoreProperties() != null) {
 273                 maxShardDataChangeExecutorPoolSize =
 274                         datastoreContext.getDataStoreProperties().getMaxDataChangeExecutorPoolSize();
 275                 maxShardDataChangeExecutorQueueSize =
 276                         datastoreContext.getDataStoreProperties().getMaxDataChangeExecutorQueueSize();
 277                 maxShardDataChangeListenerQueueSize =
 278                         datastoreContext.getDataStoreProperties().getMaxDataChangeListenerQueueSize();
 279                 maxShardDataStoreExecutorQueueSize =
 280                         datastoreContext.getDataStoreProperties().getMaxDataStoreExecutorQueueSize();
 281             }
 282         }
 283
 284         public Builder boundedMailboxCapacity(int boundedMailboxCapacity) {
 285             // TODO - this is defined in the yang DataStoreProperties but not currently used.
 286             return this;
 287         }
 288
 289         public Builder enableMetricCapture(boolean enableMetricCapture) {
 290             // TODO - this is defined in the yang DataStoreProperties but not currently used.
 291             return this;
 292         }
 293
 294
 295         public Builder shardTransactionIdleTimeout(long timeout, TimeUnit unit) {
 296             datastoreContext.shardTransactionIdleTimeout = Duration.create(timeout, unit);
 297             return this;
 298         }
 299
 300         public Builder shardTransactionIdleTimeoutInMinutes(long timeout) {
 301             return shardTransactionIdleTimeout(timeout, TimeUnit.MINUTES);
 302         }
 303
 304         public Builder operationTimeoutInSeconds(int operationTimeoutInSeconds) {
 305             datastoreContext.operationTimeoutInMillis = TimeUnit.SECONDS.toMillis(operationTimeoutInSeconds);
 306             return this;
 307         }
 308
 309         public Builder operationTimeoutInMillis(long operationTimeoutInMillis) {
 310             datastoreContext.operationTimeoutInMillis = operationTimeoutInMillis;
 311             return this;
 312         }
 313
 314         public Builder dataStoreMXBeanType(String dataStoreMXBeanType) {
 315             datastoreContext.dataStoreMXBeanType = dataStoreMXBeanType;
 316             return this;
 317         }
 318
 319         public Builder shardTransactionCommitTimeoutInSeconds(int shardTransactionCommitTimeoutInSeconds) {
 320             datastoreContext.shardTransactionCommitTimeoutInSeconds = shardTransactionCommitTimeoutInSeconds;
 321             return this;
 322         }
 323
 324         public Builder shardJournalRecoveryLogBatchSize(int shardJournalRecoveryLogBatchSize) {
 325             datastoreContext.setShardJournalRecoveryLogBatchSize(shardJournalRecoveryLogBatchSize);
 326             return this;
 327         }
 328
 329         public Builder shardSnapshotBatchCount(int shardSnapshotBatchCount) {
 330             datastoreContext.setSnapshotBatchCount(shardSnapshotBatchCount);
 331             return this;
 332         }
 333
 334         public Builder shardSnapshotDataThresholdPercentage(int shardSnapshotDataThresholdPercentage) {
 335             datastoreContext.setSnapshotDataThresholdPercentage(shardSnapshotDataThresholdPercentage);
 336             return this;
 337         }
 338
 339         public Builder shardHeartbeatIntervalInMillis(int shardHeartbeatIntervalInMillis) {
 340             datastoreContext.setHeartbeatInterval(shardHeartbeatIntervalInMillis);
 341             return this;
 342         }
 343
 344         public Builder shardTransactionCommitQueueCapacity(int shardTransactionCommitQueueCapacity) {
 345             datastoreContext.shardTransactionCommitQueueCapacity = shardTransactionCommitQueueCapacity;
 346             return this;
 347         }
 348
 349         public Builder shardInitializationTimeout(long timeout, TimeUnit unit) {
 350             datastoreContext.shardInitializationTimeout = new Timeout(timeout, unit);
 351             return this;
 352         }
 353
 354         public Builder shardInitializationTimeoutInSeconds(long timeout) {
 355             return shardInitializationTimeout(timeout, TimeUnit.SECONDS);
 356         }
 357
 358         public Builder shardLeaderElectionTimeout(long timeout, TimeUnit unit) {
 359             datastoreContext.shardLeaderElectionTimeout = new Timeout(timeout, unit);
 360             return this;
 361         }
 362
 363         public Builder shardLeaderElectionTimeoutInSeconds(long timeout) {
 364             return shardLeaderElectionTimeout(timeout, TimeUnit.SECONDS);
 365         }
 366
 367         public Builder configurationReader(AkkaConfigurationReader configurationReader) {
 368             datastoreContext.configurationReader = configurationReader;
 369             return this;
 370         }
 371
 372         public Builder persistent(boolean persistent) {
 373             datastoreContext.persistent = persistent;
 374             return this;
 375         }
 376
 377         public Builder shardIsolatedLeaderCheckIntervalInMillis(int shardIsolatedLeaderCheckIntervalInMillis) {
 378             datastoreContext.setIsolatedLeaderCheckInterval(shardIsolatedLeaderCheckIntervalInMillis);
 379             return this;
 380         }
 381
 382         public Builder shardElectionTimeoutFactor(long shardElectionTimeoutFactor) {
 383             datastoreContext.setElectionTimeoutFactor(shardElectionTimeoutFactor);
 384             return this;
 385         }
 386
 387         public Builder transactionCreationInitialRateLimit(long initialRateLimit) {
 388             datastoreContext.transactionCreationInitialRateLimit = initialRateLimit;
 389             return this;
 390         }
 391
 392         public Builder logicalStoreType(LogicalDatastoreType logicalStoreType) {
 393             datastoreContext.logicalStoreType = Preconditions.checkNotNull(logicalStoreType);
 394
 395             // Retain compatible naming
 396             switch (logicalStoreType) {
 397                 case CONFIGURATION:
 398                     dataStoreName("config");
 399                     break;
 400                 case OPERATIONAL:
 401                     dataStoreName("operational");
 402                     break;
 403                 default:
 404                     dataStoreName(logicalStoreType.name());
 405             }
 406
 407             return this;
 408         }
 409
 410         public Builder dataStoreName(String dataStoreName) {
 411             datastoreContext.dataStoreName = Preconditions.checkNotNull(dataStoreName);
 412             datastoreContext.dataStoreMXBeanType = "Distributed" + WordUtils.capitalize(dataStoreName) + "Datastore";
 413             return this;
 414         }
 415
 416         public Builder shardBatchedModificationCount(int shardBatchedModificationCount) {
 417             datastoreContext.shardBatchedModificationCount = shardBatchedModificationCount;
 418             return this;
 419         }
 420
 421         public Builder writeOnlyTransactionOptimizationsEnabled(boolean value) {
 422             datastoreContext.writeOnlyTransactionOptimizationsEnabled = value;
 423             return this;
 424         }
 425
 426         public Builder shardCommitQueueExpiryTimeoutInMillis(long value) {
 427             datastoreContext.shardCommitQueueExpiryTimeoutInMillis = value;
 428             return this;
 429         }
 430
 431         public Builder shardCommitQueueExpiryTimeoutInSeconds(long value) {
 432             datastoreContext.shardCommitQueueExpiryTimeoutInMillis = TimeUnit.MILLISECONDS.convert(
 433                     value, TimeUnit.SECONDS);
 434             return this;
 435         }
 436
 437         public Builder transactionDebugContextEnabled(boolean value) {
 438             datastoreContext.transactionDebugContextEnabled = value;
 439             return this;
 440         }
 441
 442         public Builder maxShardDataChangeExecutorPoolSize(int maxShardDataChangeExecutorPoolSize) {
 443             this.maxShardDataChangeExecutorPoolSize = maxShardDataChangeExecutorPoolSize;
 444             return this;
 445         }
 446
 447         public Builder maxShardDataChangeExecutorQueueSize(int maxShardDataChangeExecutorQueueSize) {
 448             this.maxShardDataChangeExecutorQueueSize = maxShardDataChangeExecutorQueueSize;
 449             return this;
 450         }
 451
 452         public Builder maxShardDataChangeListenerQueueSize(int maxShardDataChangeListenerQueueSize) {
 453             this.maxShardDataChangeListenerQueueSize = maxShardDataChangeListenerQueueSize;
 454             return this;
 455         }
 456
 457         public Builder maxShardDataStoreExecutorQueueSize(int maxShardDataStoreExecutorQueueSize) {
 458             this.maxShardDataStoreExecutorQueueSize = maxShardDataStoreExecutorQueueSize;
 459             return this;
 460         }
 461
 462         /**
 463          * For unit tests only.
 464          */
 465         @VisibleForTesting
 466         public Builder shardManagerPersistenceId(String id) {
 467             datastoreContext.shardManagerPersistenceId = id;
 468             return this;
 469         }
 470
 471         public DatastoreContext build() {
 472             datastoreContext.dataStoreProperties = InMemoryDOMDataStoreConfigProperties.create(
 473                     maxShardDataChangeExecutorPoolSize, maxShardDataChangeExecutorQueueSize,
 474                     maxShardDataChangeListenerQueueSize, maxShardDataStoreExecutorQueueSize);
 475
 476             if (datastoreContext.dataStoreName != null) {
 477                 GLOBAL_DATASTORE_NAMES.add(datastoreContext.dataStoreName);
 478             }
 479
 480             return datastoreContext;
 481         }
 482
 483         public Builder customRaftPolicyImplementation(String customRaftPolicyImplementation) {
 484             datastoreContext.setCustomRaftPolicyImplementation(customRaftPolicyImplementation);
 485             return this;
 486         }
 487
 488         public Builder shardSnapshotChunkSize(int shardSnapshotChunkSize) {
 489             datastoreContext.setShardSnapshotChunkSize(shardSnapshotChunkSize);
 490             return this;
 491         }
 492
 493         public Builder shardPeerAddressResolver(PeerAddressResolver resolver) {
 494             datastoreContext.setPeerAddressResolver(resolver);
 495             return this;
 496         }
 497     }
 498 }