Examples with AssignmentConfigs org.apache.kafka.streams.processor.internals.assignment.AssignorConfiguration.AssignmentConfigs used on opensource projects

Example 21 with AssignmentConfigs

use of org.apache.kafka.streams.processor.internals.assignment.AssignorConfiguration.AssignmentConfigs in project kafka by apache.

the class HighAvailabilityTaskAssignorTest method shouldDistributeStatelessTasksEvenlyOverClientsWithUnevenlyDistributedStreamThreadsAndNoStatefulTasks.

@Test
public void shouldDistributeStatelessTasksEvenlyOverClientsWithUnevenlyDistributedStreamThreadsAndNoStatefulTasks() {
    final Set<TaskId> allTasks = mkSet(TASK_0_0, TASK_0_1, TASK_0_2, TASK_0_3, TASK_1_0, TASK_1_1, TASK_1_2);
    final Set<TaskId> statefulTasks = EMPTY_TASKS;
    final Set<TaskId> statelessTasks = new HashSet<>(allTasks);
    final Map<TaskId, Long> taskLags = new HashMap<>();
    final ClientState client1 = new ClientState(emptySet(), emptySet(), taskLags, 1);
    final ClientState client2 = new ClientState(emptySet(), emptySet(), taskLags, 2);
    final ClientState client3 = new ClientState(emptySet(), emptySet(), taskLags, 3);
    final Map<UUID, ClientState> clientStates = getClientStatesMap(client1, client2, client3);
    final boolean probingRebalanceNeeded = new HighAvailabilityTaskAssignor().assign(clientStates, allTasks, statefulTasks, new AssignmentConfigs(0L, 1, 0, 60_000L));
    assertValidAssignment(0, EMPTY_TASKS, statelessTasks, clientStates, new StringBuilder());
    assertBalancedActiveAssignment(clientStates, new StringBuilder());
    assertThat(probingRebalanceNeeded, is(false));
}