Package com.hazelcast.partition

Examples of com.hazelcast.partition.MigrationInfo

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            if (!node.isActive() || !node.isMaster()) {
                return;
            }
            final MigrationRequestOperation migrationRequestOp = new MigrationRequestOperation(migrationInfo);
            try {
                MigrationInfo info = migrationInfo;
                InternalPartitionImpl partition = partitions[info.getPartitionId()];
                Address owner = partition.getOwner();
                if (owner == null) {
                    logger.severe("ERROR: partition owner is not set! -> "
                            + partition + " -VS- " + info);
                    return;
                }
                if (!owner.equals(info.getSource())) {
                    logger.severe("ERROR: partition owner is not the source of migration! -> "
                            + partition + " -VS- " + info + " found owner:" + owner);
                    return;
                }
                sendMigrationEvent(migrationInfo, MigrationStatus.STARTED);
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        }

        int migrationsSize = in.readInt();
        activeMigrations = new ArrayList<MigrationInfo>(migrationsSize);
        for (int i = 0; i < migrationsSize; i++) {
            MigrationInfo migrationInfo = new MigrationInfo();
            migrationInfo.readData(in);
            activeMigrations.add(migrationInfo);
        }

        int lockSize = in.readInt();
        lockInfos = new ArrayList<LockInfo>(lockSize);
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    @Override
    public void run() {
        InternalPartitionServiceImpl partitionService = getService();

        int partitionId = getPartitionId();
        MigrationInfo migrationInfo = partitionService.getActiveMigration(partitionId);
        if (migrationInfo == null) {
            return;
        }

        NodeEngineImpl nodeEngine = (NodeEngineImpl) getNodeEngine();
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        migrationInfo.writeData(out);
    }

    @Override
    protected void readInternal(ObjectDataInput in) throws IOException {
        migrationInfo = new MigrationInfo();
        migrationInfo.readData(in);
    }
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    void addActiveMigration(MigrationInfo migrationInfo) {
        lock.lock();
        try {
            int partitionId = migrationInfo.getPartitionId();
            partitions[partitionId].setMigrating(true);
            MigrationInfo currentMigrationInfo = activeMigrations.putIfAbsent(partitionId, migrationInfo);
            if (currentMigrationInfo != null) {
                boolean oldMaster = false;
                MigrationInfo oldMigration;
                MigrationInfo newMigration;
                MemberImpl masterMember = getMasterMember();
                String master = masterMember.getUuid();
                //todo: 2 different branches with the same content.
                if (!master.equals(currentMigrationInfo.getMasterUuid())) {
                    // master changed
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                        if (currentOwner == null) {
                            // assign new owner for lost partition
                            lostCount++;
                            currentPartition.setPartitionInfo(replicas);
                            MigrationInfo migrationInfo = new MigrationInfo(partitionId, null, newOwner);
                            sendMigrationEvent(migrationInfo, MigrationStatus.STARTED);
                            sendMigrationEvent(migrationInfo, MigrationStatus.COMPLETED);

                        } else if (newOwner != null && !currentOwner.equals(newOwner)) {
                            migrationCount++;
                            MigrationInfo info = new MigrationInfo(partitionId, currentOwner, newOwner);
                            MigrateTask migrateTask = new MigrateTask(info, new BackupMigrationTask(partitionId, replicas));
                            boolean offered = migrationQueue.offer(migrateTask);
                            if(!offered){
                                logger.severe("Failed to offer: "+migrateTask);
                            }
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    void addActiveMigration(MigrationInfo migrationInfo) {
        lock.lock();
        try {
            int partitionId = migrationInfo.getPartitionId();
            partitions[partitionId].setMigrating(true);
            MigrationInfo currentMigrationInfo = activeMigrations.putIfAbsent(partitionId, migrationInfo);
            if (currentMigrationInfo != null) {
                boolean oldMaster = false;
                MigrationInfo oldMigration;
                MigrationInfo newMigration;
                MemberImpl masterMember = getMasterMember();
                String master = masterMember.getUuid();
                //todo: 2 different branches with the same content.
                if (!master.equals(currentMigrationInfo.getMasterUuid())) {
                    // master changed
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                logger.info("Partition balance is ok, no need to re-partition cluster data... ");
            }
        }

        private void migratePartitionToNewOwner(int partitionId, Address[] replicas, Address currentOwner, Address newOwner) {
            MigrationInfo info = new MigrationInfo(partitionId, currentOwner, newOwner);
            MigrateTask migrateTask = new MigrateTask(info, new BackupMigrationTask(partitionId, replicas));
            boolean offered = migrationQueue.offer(migrateTask);
            if (!offered) {
                logger.severe("Failed to offer: " + migrateTask);
            }
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        }

        private void assignNewPartitionOwner(int partitionId, Address[] replicas, InternalPartitionImpl currentPartition,
                                             Address newOwner) {
            currentPartition.setPartitionInfo(replicas);
            MigrationInfo migrationInfo = new MigrationInfo(partitionId, null, newOwner);
            sendMigrationEvent(migrationInfo, MigrationStatus.STARTED);
            sendMigrationEvent(migrationInfo, MigrationStatus.COMPLETED);
        }
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            if (!node.isActive() || !node.isMaster()) {
                return;
            }
            final MigrationRequestOperation migrationRequestOp = new MigrationRequestOperation(migrationInfo);
            try {
                MigrationInfo info = migrationInfo;
                InternalPartitionImpl partition = partitions[info.getPartitionId()];
                Address owner = partition.getOwnerOrNull();
                if (owner == null) {
                    logger.severe("ERROR: partition owner is not set! -> "
                            + partition + " -VS- " + info);
                    return;
                }
                if (!owner.equals(info.getSource())) {
                    logger.severe("ERROR: partition owner is not the source of migration! -> "
                            + partition + " -VS- " + info + " found owner:" + owner);
                    return;
                }
                sendMigrationEvent(migrationInfo, MigrationStatus.STARTED);
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Related Classes of com.hazelcast.partition.MigrationInfo

  • com.hazelcast.management.ClusterRuntimeState
  • com.hazelcast.nio.Address
  • com.hazelcast.partition.impl.BaseMigrationOperation
  • com.hazelcast.partition.impl.FinalizeMigrationOperation
  • com.hazelcast.partition.impl.InternalPartitionServiceImpl
  • com.hazelcast.partition.impl.InternalPartitionServiceImpl$MigrateTask
  • com.hazelcast.partition.impl.InternalPartitionServiceImpl$RepartitioningTask
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