Examples with TaskResult alluxio.stress.TaskResult used on opensource projects

Example 1 with TaskResult

use of alluxio.stress.TaskResult in project alluxio by Alluxio.

the class StressBenchDefinition method join.

@Override
public String join(StressBenchConfig config, Map<WorkerInfo, String> taskResults) throws Exception {
    if (taskResults.isEmpty()) {
        throw new IOException("No results from any workers.");
    }
    AtomicReference<IOException> error = new AtomicReference<>(null);
    List<TaskResult> results = taskResults.entrySet().stream().map(entry -> {
        try {
            return JsonSerializable.fromJson(entry.getValue().trim(), new TaskResult[0]);
        } catch (IOException | ClassNotFoundException e) {
            // add log here because the exception details are lost at the client side
            LOG.warn("Failed to parse result into class {}", TaskResult.class, e);
            error.set(new IOException(String.format("Failed to parse task output from %s into result class %s: %s", entry.getKey().getAddress().getHost(), TaskResult.class, entry.getValue().trim()), e));
        }
        return null;
    }).collect(Collectors.toList());
    if (error.get() != null) {
        throw error.get();
    }
    return results.get(0).aggregator().aggregate(results).toJson();
}