Examples with INCLifecycleTask org.apache.asterix.common.api.INCLifecycleTask used on opensource projects

Example 1 with INCLifecycleTask

use of org.apache.asterix.common.api.INCLifecycleTask in project asterixdb by apache.

the class MetadataNodeFaultToleranceStrategy method buildParticipantStartupSequence.

private List<INCLifecycleTask> buildParticipantStartupSequence(String nodeId, SystemState state) {
    final List<INCLifecycleTask> tasks = new ArrayList<>();
    switch(state) {
        case PERMANENT_DATA_LOSS:
            // If the metadata node (or replica) failed and lost its data
            // => Metadata Remote Recovery from standby replica
            tasks.add(getMetadataPartitionRecoveryPlan());
            // Checkpoint after remote recovery to move node to HEALTHY state
            tasks.add(new CheckpointTask());
            break;
        case CORRUPTED:
            // If the metadata node (or replica) failed and started again without losing data => Local Recovery
            LocalRecoveryTask rt = new LocalRecoveryTask(Arrays.asList(clusterManager.getNodePartitions(nodeId)).stream().map(ClusterPartition::getPartitionId).collect(Collectors.toSet()));
            tasks.add(rt);
            break;
        case BOOTSTRAPPING:
        case HEALTHY:
        case RECOVERING:
            break;
        default:
            break;
    }
    tasks.add(new StartReplicationServiceTask());
    final boolean isMetadataNode = nodeId.equals(metadataNodeId);
    if (isMetadataNode) {
        tasks.add(new MetadataBootstrapTask());
    }
    tasks.add(new ExternalLibrarySetupTask(isMetadataNode));
    tasks.add(new ReportMaxResourceIdTask());
    tasks.add(new CheckpointTask());
    tasks.add(new StartLifecycleComponentsTask());
    if (isMetadataNode) {
        tasks.add(new BindMetadataNodeTask(true));
    }
    return tasks;
}

Example 2 with INCLifecycleTask

use of org.apache.asterix.common.api.INCLifecycleTask in project asterixdb by apache.

the class MetadataNodeFaultToleranceStrategy method process.

private synchronized void process(StartupTaskRequestMessage msg) throws HyracksDataException {
    final String nodeId = msg.getNodeId();
    final SystemState state = msg.getState();
    final boolean isParticipant = replicationStrategy.isParticipant(nodeId);
    List<INCLifecycleTask> tasks;
    if (!isParticipant) {
        tasks = buildNonParticipantStartupSequence(nodeId, state);
    } else {
        tasks = buildParticipantStartupSequence(nodeId, state);
    }
    StartupTaskResponseMessage response = new StartupTaskResponseMessage(nodeId, tasks);
    try {
        messageBroker.sendApplicationMessageToNC(response, msg.getNodeId());
    } catch (Exception e) {
        throw HyracksDataException.create(e);
    }
}

Example 3 with INCLifecycleTask

use of org.apache.asterix.common.api.INCLifecycleTask in project asterixdb by apache.

the class MetadataNodeFaultToleranceStrategy method buildNonParticipantStartupSequence.

private List<INCLifecycleTask> buildNonParticipantStartupSequence(String nodeId, SystemState state) {
    final List<INCLifecycleTask> tasks = new ArrayList<>();
    if (state == SystemState.CORRUPTED) {
        //need to perform local recovery for node partitions
        LocalRecoveryTask rt = new LocalRecoveryTask(Arrays.asList(clusterManager.getNodePartitions(nodeId)).stream().map(ClusterPartition::getPartitionId).collect(Collectors.toSet()));
        tasks.add(rt);
    }
    tasks.add(new ExternalLibrarySetupTask(false));
    tasks.add(new ReportMaxResourceIdTask());
    tasks.add(new CheckpointTask());
    tasks.add(new StartLifecycleComponentsTask());
    return tasks;
}

Example 4 with INCLifecycleTask

use of org.apache.asterix.common.api.INCLifecycleTask in project asterixdb by apache.

the class NoFaultToleranceStrategy method buildNCStartupSequence.

private List<INCLifecycleTask> buildNCStartupSequence(String nodeId, SystemState state) {
    final List<INCLifecycleTask> tasks = new ArrayList<>();
    if (state == SystemState.CORRUPTED) {
        //need to perform local recovery for node partitions
        LocalRecoveryTask rt = new LocalRecoveryTask(Arrays.asList(clusterManager.getNodePartitions(nodeId)).stream().map(ClusterPartition::getPartitionId).collect(Collectors.toSet()));
        tasks.add(rt);
    }
    final boolean isMetadataNode = nodeId.equals(metadataNodeId);
    if (isMetadataNode) {
        tasks.add(new MetadataBootstrapTask());
    }
    tasks.add(new ExternalLibrarySetupTask(isMetadataNode));
    tasks.add(new ReportMaxResourceIdTask());
    tasks.add(new CheckpointTask());
    tasks.add(new StartLifecycleComponentsTask());
    if (isMetadataNode) {
        tasks.add(new BindMetadataNodeTask(true));
    }
    return tasks;
}

Example 5 with INCLifecycleTask

use of org.apache.asterix.common.api.INCLifecycleTask in project asterixdb by apache.

the class NoFaultToleranceStrategy method process.

private void process(StartupTaskRequestMessage msg) throws HyracksDataException {
    final String nodeId = msg.getNodeId();
    List<INCLifecycleTask> tasks = buildNCStartupSequence(msg.getNodeId(), msg.getState());
    StartupTaskResponseMessage response = new StartupTaskResponseMessage(nodeId, tasks);
    try {
        messageBroker.sendApplicationMessageToNC(response, msg.getNodeId());
    } catch (Exception e) {
        throw HyracksDataException.create(e);
    }
}