Package io.druid.indexing.common

Examples of io.druid.indexing.common.TaskLock

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  @Override
    public TaskStatus run(TaskToolbox toolbox) throws Exception
    {
      // Confirm we have a lock (will throw if there isn't exactly one element)
      final TaskLock myLock = Iterables.getOnlyElement(getTaskLocks(toolbox));

      if (!myLock.getDataSource().equals(getDataSource())) {
        throw new ISE("WTF?! Lock dataSource[%s] != task dataSource[%s]", myLock.getDataSource(), getDataSource());
      }

      if (!myLock.getInterval().equals(getInterval())) {
        throw new ISE("WTF?! Lock interval[%s] != task interval[%s]", myLock.getInterval(), getInterval());
      }

      // List unused segments
      final List<DataSegment> unusedSegments = toolbox
          .getTaskActionClient()
          .submit(new SegmentListUnusedAction(myLock.getDataSource(), myLock.getInterval()));

      // Verify none of these segments have versions > lock version
      for (final DataSegment unusedSegment : unusedSegments) {
        if (unusedSegment.getVersion().compareTo(myLock.getVersion()) > 0) {
          throw new ISE(
              "WTF?! Unused segment[%s] has version[%s] > task version[%s]",
              unusedSegment.getIdentifier(),
              unusedSegment.getVersion(),
              myLock.getVersion()
          );
        }

        log.info("OK to restore segment: %s", unusedSegment.getIdentifier());
      }
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  @Override
  public TaskStatus run(TaskToolbox toolbox) throws Exception
  {
    // Confirm we have a lock (will throw if there isn't exactly one element)
    final TaskLock myLock = Iterables.getOnlyElement(getTaskLocks(toolbox));

    if (!myLock.getDataSource().equals(getDataSource())) {
      throw new ISE("WTF?! Lock dataSource[%s] != task dataSource[%s]", myLock.getDataSource(), getDataSource());
    }

    if (!myLock.getInterval().equals(getInterval())) {
      throw new ISE("WTF?! Lock interval[%s] != task interval[%s]", myLock.getInterval(), getInterval());
    }

    // List unused segments
    final List<DataSegment> unusedSegments = toolbox
        .getTaskActionClient()
        .submit(new SegmentListUnusedAction(myLock.getDataSource(), myLock.getInterval()));

    // Verify none of these segments have versions > lock version
    for (final DataSegment unusedSegment : unusedSegments) {
      if (unusedSegment.getVersion().compareTo(myLock.getVersion()) > 0) {
        throw new ISE(
            "WTF?! Unused segment[%s] has version[%s] > task version[%s]",
            unusedSegment.getIdentifier(),
            unusedSegment.getVersion(),
            myLock.getVersion()
        );
      }

      log.info("OK to archive segment: %s", unusedSegment.getIdentifier());
    }
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      Interval interval = JodaUtils.umbrellaInterval(
          JodaUtils.condenseIntervals(
              indexerSchema.getDataSchema().getGranularitySpec().bucketIntervals().get()
          )
      );
      TaskLock lock = toolbox.getTaskActionClient().submit(new LockAcquireAction(interval));
      version = lock.getVersion();
    } else {
      Iterable<TaskLock> locks = getTaskLocks(toolbox);
      final TaskLock myLock = Iterables.getOnlyElement(locks);
      version = myLock.getVersion();
    }
    log.info("Setting version to: %s", version);

    final Class<?> indexGeneratorMainClass = loader.loadClass(HadoopIndexGeneratorInnerProcessing.class.getName());
    final Method indexGeneratorMainMethod = indexGeneratorMainClass.getMethod("runTask", String[].class);
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  public TaskStatus run(TaskToolbox toolbox) throws Exception
  {
    final GranularitySpec granularitySpec = ingestionSchema.getDataSchema().getGranularitySpec();
    final int targetPartitionSize = ingestionSchema.getTuningConfig().getTargetPartitionSize();

    final TaskLock myLock = Iterables.getOnlyElement(getTaskLocks(toolbox));
    final Set<DataSegment> segments = Sets.newHashSet();

    final Set<Interval> validIntervals = Sets.intersection(granularitySpec.bucketIntervals().get(), getDataIntervals());
    if (validIntervals.isEmpty()) {
      throw new ISE("No valid data intervals found. Check your configs!");
    }

    for (final Interval bucket : validIntervals) {
      final List<ShardSpec> shardSpecs;
      if (targetPartitionSize > 0) {
        shardSpecs = determinePartitions(bucket, targetPartitionSize);
      } else {
        int numShards = ingestionSchema.getTuningConfig().getNumShards();
        if (numShards > 0) {
          shardSpecs = Lists.newArrayList();
          for (int i = 0; i < numShards; i++) {
            shardSpecs.add(new HashBasedNumberedShardSpec(i, numShards, jsonMapper));
          }
        } else {
          shardSpecs = ImmutableList.<ShardSpec>of(new NoneShardSpec());
        }
      }
      for (final ShardSpec shardSpec : shardSpecs) {
        final DataSegment segment = generateSegment(
            toolbox,
            ingestionSchema.getDataSchema(),
            shardSpec,
            bucket,
            myLock.getVersion()
        );
        segments.add(segment);
      }
    }
    toolbox.pushSegments(segments);
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      // Bookkeeping for a log message at the end
      final Set<String> uniqueTaskIds = Sets.newHashSet();
      int taskLockCount = 0;
      for (final Pair<Task, TaskLock> taskAndLock : byVersionOrdering.sortedCopy(storedLocks)) {
        final Task task = taskAndLock.lhs;
        final TaskLock savedTaskLock = taskAndLock.rhs;
        if (savedTaskLock.getInterval().toDurationMillis() <= 0) {
          // "Impossible", but you never know what crazy stuff can be restored from storage.
          log.warn("WTF?! Got lock with empty interval for task: %s", task.getId());
          continue;
        }
        uniqueTaskIds.add(task.getId());
        final Optional<TaskLock> acquiredTaskLock = tryLock(
            task,
            savedTaskLock.getInterval(),
            Optional.of(savedTaskLock.getVersion())
        );
        if (acquiredTaskLock.isPresent() && savedTaskLock.getVersion().equals(acquiredTaskLock.get().getVersion())) {
          taskLockCount ++;
          log.info(
              "Reacquired lock on interval[%s] version[%s] for task: %s",
              savedTaskLock.getInterval(),
              savedTaskLock.getVersion(),
              task.getId()
          );
        } else if (acquiredTaskLock.isPresent()) {
          taskLockCount ++;
          log.info(
              "Could not reacquire lock on interval[%s] version[%s] (got version[%s] instead) for task: %s",
              savedTaskLock.getInterval(),
              savedTaskLock.getVersion(),
              acquiredTaskLock.get().getVersion(),
              task.getId()
          );
        } else {
          log.info(
              "Could not reacquire lock on interval[%s] version[%s] for task: %s",
              savedTaskLock.getInterval(),
              savedTaskLock.getVersion(),
              task.getId()
          );
        }
      }
      log.info(
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  }

  @Override
  public TaskStatus run(TaskToolbox toolbox) throws Exception
  {
    final TaskLock myLock = Iterables.getOnlyElement(getTaskLocks(toolbox));
    final ServiceEmitter emitter = toolbox.getEmitter();
    final ServiceMetricEvent.Builder builder = new ServiceMetricEvent.Builder();
    final DataSegment mergedSegment = computeMergedSegment(getDataSource(), myLock.getVersion(), segments);
    final File taskDir = toolbox.getTaskWorkDir();

    try {
      final long startTime = System.currentTimeMillis();
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  @Override
  public TaskStatus run(TaskToolbox toolbox) throws Exception
  {
    // Confirm we have a lock (will throw if there isn't exactly one element)
    final TaskLock myLock = Iterables.getOnlyElement(getTaskLocks(toolbox));

    if (!myLock.getDataSource().equals(getDataSource())) {
      throw new ISE("WTF?! Lock dataSource[%s] != task dataSource[%s]", myLock.getDataSource(), getDataSource());
    }

    if (!myLock.getInterval().equals(getInterval())) {
      throw new ISE("WTF?! Lock interval[%s] != task interval[%s]", myLock.getInterval(), getInterval());
    }

    // List unused segments
    final List<DataSegment> unusedSegments = toolbox
        .getTaskActionClient()
        .submit(new SegmentListUnusedAction(myLock.getDataSource(), myLock.getInterval()));

    // Verify none of these segments have versions > lock version
    for (final DataSegment unusedSegment : unusedSegments) {
      if (unusedSegment.getVersion().compareTo(myLock.getVersion()) > 0) {
        throw new ISE(
            "WTF?! Unused segment[%s] has version[%s] > task version[%s]",
            unusedSegment.getIdentifier(),
            unusedSegment.getVersion(),
            myLock.getVersion()
        );
      }

      log.info("OK to kill segment: %s", unusedSegment.getIdentifier());
    }
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  @Override
  public TaskStatus run(TaskToolbox toolbox) throws Exception
  {
    // Confirm we have a lock (will throw if there isn't exactly one element)
    final TaskLock myLock = Iterables.getOnlyElement(getTaskLocks(toolbox));

    if(!myLock.getDataSource().equals(getDataSource())) {
      throw new ISE("WTF?! Lock dataSource[%s] != task dataSource[%s]", myLock.getDataSource(), getDataSource());
    }

    if(!myLock.getInterval().equals(getInterval())) {
      throw new ISE("WTF?! Lock interval[%s] != task interval[%s]", myLock.getInterval(), getInterval());
    }

    // List unused segments
    final List<DataSegment> unusedSegments = toolbox
        .getTaskActionClient()
        .submit(new SegmentListUnusedAction(myLock.getDataSource(), myLock.getInterval()));

    // Verify none of these segments have versions > lock version
    for(final DataSegment unusedSegment : unusedSegments) {
      if(unusedSegment.getVersion().compareTo(myLock.getVersion()) > 0) {
        throw new ISE(
            "WTF?! Unused segment[%s] has version[%s] > task version[%s]",
            unusedSegment.getIdentifier(),
            unusedSegment.getVersion(),
            myLock.getVersion()
        );
      }

      log.info("OK to move segment: %s", unusedSegment.getIdentifier());
    }
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      @Override
      public String getVersion(final Interval interval)
      {
        try {
          // Side effect: Calling getVersion causes a lock to be acquired
          final TaskLock myLock = toolbox.getTaskActionClient()
                                         .submit(new LockAcquireAction(interval));

          return myLock.getVersion();
        }
        catch (IOException e) {
          throw Throwables.propagate(e);
        }
      }
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          // interval. This may not always be true; to assure it we would need to use some method of timekeeping other
          // than the wall clock.
          version = new DateTime().toString();
        }

        posseToUse = new TaskLockPosse(new TaskLock(task.getGroupId(), dataSource, interval, version));
        running.get(dataSource)
               .put(interval, posseToUse);

        log.info("Created new TaskLockPosse: %s", posseToUse);
      }
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Related Classes of io.druid.indexing.common.TaskLock

  • io.druid.indexing.common.task.ArchiveTask
  • io.druid.indexing.common.task.HadoopIndexTask
  • io.druid.indexing.common.task.IndexTask
  • io.druid.indexing.common.task.KillTask
  • io.druid.indexing.common.task.MergeTaskBase
  • io.druid.indexing.common.task.MoveTask
  • io.druid.indexing.common.task.RealtimeIndexTask
  • io.druid.indexing.common.task.RestoreTask
  • io.druid.indexing.overlord.MetadataTaskStorage
  • io.druid.indexing.overlord.RealtimeishTask
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