Examples with TopicIdPartition org.apache.kafka.controller.BrokersToIsrs.TopicIdPartition used on opensource projects

Example 6 with TopicIdPartition

use of org.apache.kafka.controller.BrokersToIsrs.TopicIdPartition in project kafka by apache.

the class ReplicationControlManagerTest method testPreferredElectionDoesNotTriggerUncleanElection.

@Test
public void testPreferredElectionDoesNotTriggerUncleanElection() throws Exception {
    ReplicationControlTestContext ctx = new ReplicationControlTestContext();
    ReplicationControlManager replication = ctx.replicationControl;
    ctx.registerBrokers(1, 2, 3, 4);
    ctx.unfenceBrokers(1, 2, 3, 4);
    Uuid fooId = ctx.createTestTopic("foo", new int[][] { new int[] { 1, 2, 3 } }).topicId();
    TopicIdPartition partition = new TopicIdPartition(fooId, 0);
    ctx.fenceBrokers(Utils.mkSet(2, 3));
    ctx.fenceBrokers(Utils.mkSet(1, 2, 3));
    ctx.unfenceBrokers(Utils.mkSet(2));
    assertLeaderAndIsr(replication, partition, NO_LEADER, new int[] { 1 });
    ctx.alterTopicConfig("foo", "unclean.leader.election.enable", "true");
    ElectLeadersRequestData request = buildElectLeadersRequest(ElectionType.PREFERRED, singletonMap("foo", singletonList(0)));
    // No election should be done even though unclean election is available
    ControllerResult<ElectLeadersResponseData> result = replication.electLeaders(request);
    assertEquals(Collections.emptyList(), result.records());
    ElectLeadersResponseData expectedResponse = buildElectLeadersResponse(NONE, false, singletonMap(new TopicPartition("foo", 0), new ApiError(PREFERRED_LEADER_NOT_AVAILABLE)));
    assertEquals(expectedResponse, result.response());
}

Example 7 with TopicIdPartition

use of org.apache.kafka.controller.BrokersToIsrs.TopicIdPartition in project kafka by apache.

the class ReplicationControlManagerTest method testElectUncleanLeaders.

@ParameterizedTest
@ValueSource(booleans = { true, false })
public void testElectUncleanLeaders(boolean electAllPartitions) throws Exception {
    ReplicationControlTestContext ctx = new ReplicationControlTestContext();
    ReplicationControlManager replication = ctx.replicationControl;
    ctx.registerBrokers(0, 1, 2, 3, 4);
    ctx.unfenceBrokers(0, 1, 2, 3, 4);
    Uuid fooId = ctx.createTestTopic("foo", new int[][] { new int[] { 1, 2, 3 }, new int[] { 2, 3, 4 }, new int[] { 0, 2, 1 } }).topicId();
    TopicIdPartition partition0 = new TopicIdPartition(fooId, 0);
    TopicIdPartition partition1 = new TopicIdPartition(fooId, 1);
    TopicIdPartition partition2 = new TopicIdPartition(fooId, 2);
    ctx.fenceBrokers(Utils.mkSet(2, 3));
    ctx.fenceBrokers(Utils.mkSet(1, 2, 3));
    assertLeaderAndIsr(replication, partition0, NO_LEADER, new int[] { 1 });
    assertLeaderAndIsr(replication, partition1, 4, new int[] { 4 });
    assertLeaderAndIsr(replication, partition2, 0, new int[] { 0 });
    ElectLeadersRequestData request = buildElectLeadersRequest(ElectionType.UNCLEAN, electAllPartitions ? null : singletonMap("foo", asList(0, 1, 2)));
    // No election can be done yet because no replicas are available for partition 0
    ControllerResult<ElectLeadersResponseData> result1 = replication.electLeaders(request);
    assertEquals(Collections.emptyList(), result1.records());
    ElectLeadersResponseData expectedResponse1 = buildElectLeadersResponse(NONE, electAllPartitions, Utils.mkMap(Utils.mkEntry(new TopicPartition("foo", 0), new ApiError(ELIGIBLE_LEADERS_NOT_AVAILABLE)), Utils.mkEntry(new TopicPartition("foo", 1), new ApiError(ELECTION_NOT_NEEDED)), Utils.mkEntry(new TopicPartition("foo", 2), new ApiError(ELECTION_NOT_NEEDED))));
    assertElectLeadersResponse(expectedResponse1, result1.response());
    // Now we bring 2 back online which should allow the unclean election of partition 0
    ctx.unfenceBrokers(Utils.mkSet(2));
    // Bring 2 back into the ISR for partition 1. This allows us to verify that
    // preferred election does not occur as a result of the unclean election request.
    ctx.alterIsr(partition1, 4, asList(2, 4));
    ControllerResult<ElectLeadersResponseData> result = replication.electLeaders(request);
    assertEquals(1, result.records().size());
    ApiMessageAndVersion record = result.records().get(0);
    assertTrue(record.message() instanceof PartitionChangeRecord);
    PartitionChangeRecord partitionChangeRecord = (PartitionChangeRecord) record.message();
    assertEquals(0, partitionChangeRecord.partitionId());
    assertEquals(2, partitionChangeRecord.leader());
    assertEquals(singletonList(2), partitionChangeRecord.isr());
    ctx.replay(result.records());
    assertLeaderAndIsr(replication, partition0, 2, new int[] { 2 });
    assertLeaderAndIsr(replication, partition1, 4, new int[] { 2, 4 });
    assertLeaderAndIsr(replication, partition2, 0, new int[] { 0 });
    ElectLeadersResponseData expectedResponse = buildElectLeadersResponse(NONE, electAllPartitions, Utils.mkMap(Utils.mkEntry(new TopicPartition("foo", 0), ApiError.NONE), Utils.mkEntry(new TopicPartition("foo", 1), new ApiError(ELECTION_NOT_NEEDED)), Utils.mkEntry(new TopicPartition("foo", 2), new ApiError(ELECTION_NOT_NEEDED))));
    assertElectLeadersResponse(expectedResponse, result.response());
}

Example 8 with TopicIdPartition

use of org.apache.kafka.controller.BrokersToIsrs.TopicIdPartition in project kafka by apache.

the class ReplicationControlManagerTest method testShrinkAndExpandIsr.

@Test
public void testShrinkAndExpandIsr() throws Exception {
    ReplicationControlTestContext ctx = new ReplicationControlTestContext();
    ReplicationControlManager replicationControl = ctx.replicationControl;
    ctx.registerBrokers(0, 1, 2);
    ctx.unfenceBrokers(0, 1, 2);
    CreatableTopicResult createTopicResult = ctx.createTestTopic("foo", new int[][] { new int[] { 0, 1, 2 } });
    TopicIdPartition topicIdPartition = new TopicIdPartition(createTopicResult.topicId(), 0);
    TopicPartition topicPartition = new TopicPartition("foo", 0);
    assertEquals(OptionalInt.of(0), ctx.currentLeader(topicIdPartition));
    long brokerEpoch = ctx.currentBrokerEpoch(0);
    PartitionData shrinkIsrRequest = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1));
    ControllerResult<AlterIsrResponseData> shrinkIsrResult = sendAlterIsr(replicationControl, 0, brokerEpoch, "foo", shrinkIsrRequest);
    AlterIsrResponseData.PartitionData shrinkIsrResponse = assertAlterIsrResponse(shrinkIsrResult, topicPartition, NONE);
    assertConsistentAlterIsrResponse(replicationControl, topicIdPartition, shrinkIsrResponse);
    PartitionData expandIsrRequest = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1, 2));
    ControllerResult<AlterIsrResponseData> expandIsrResult = sendAlterIsr(replicationControl, 0, brokerEpoch, "foo", expandIsrRequest);
    AlterIsrResponseData.PartitionData expandIsrResponse = assertAlterIsrResponse(expandIsrResult, topicPartition, NONE);
    assertConsistentAlterIsrResponse(replicationControl, topicIdPartition, expandIsrResponse);
}

Example 9 with TopicIdPartition

use of org.apache.kafka.controller.BrokersToIsrs.TopicIdPartition in project kafka by apache.

the class ReplicationControlManagerTest method testInvalidAlterIsrRequests.

@Test
public void testInvalidAlterIsrRequests() throws Exception {
    ReplicationControlTestContext ctx = new ReplicationControlTestContext();
    ReplicationControlManager replicationControl = ctx.replicationControl;
    ctx.registerBrokers(0, 1, 2);
    ctx.unfenceBrokers(0, 1, 2);
    CreatableTopicResult createTopicResult = ctx.createTestTopic("foo", new int[][] { new int[] { 0, 1, 2 } });
    TopicIdPartition topicIdPartition = new TopicIdPartition(createTopicResult.topicId(), 0);
    TopicPartition topicPartition = new TopicPartition("foo", 0);
    assertEquals(OptionalInt.of(0), ctx.currentLeader(topicIdPartition));
    long brokerEpoch = ctx.currentBrokerEpoch(0);
    // Invalid leader
    PartitionData invalidLeaderRequest = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1));
    ControllerResult<AlterIsrResponseData> invalidLeaderResult = sendAlterIsr(replicationControl, 1, ctx.currentBrokerEpoch(1), "foo", invalidLeaderRequest);
    assertAlterIsrResponse(invalidLeaderResult, topicPartition, Errors.INVALID_REQUEST);
    // Stale broker epoch
    PartitionData invalidBrokerEpochRequest = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1));
    assertThrows(StaleBrokerEpochException.class, () -> sendAlterIsr(replicationControl, 0, brokerEpoch - 1, "foo", invalidBrokerEpochRequest));
    // Invalid leader epoch
    PartitionData invalidLeaderEpochRequest = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1));
    invalidLeaderEpochRequest.setLeaderEpoch(500);
    ControllerResult<AlterIsrResponseData> invalidLeaderEpochResult = sendAlterIsr(replicationControl, 1, ctx.currentBrokerEpoch(1), "foo", invalidLeaderEpochRequest);
    assertAlterIsrResponse(invalidLeaderEpochResult, topicPartition, FENCED_LEADER_EPOCH);
    // Invalid ISR (3 is not a valid replica)
    PartitionData invalidIsrRequest1 = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1));
    invalidIsrRequest1.setNewIsr(asList(0, 1, 3));
    ControllerResult<AlterIsrResponseData> invalidIsrResult1 = sendAlterIsr(replicationControl, 1, ctx.currentBrokerEpoch(1), "foo", invalidIsrRequest1);
    assertAlterIsrResponse(invalidIsrResult1, topicPartition, Errors.INVALID_REQUEST);
    // Invalid ISR (does not include leader 0)
    PartitionData invalidIsrRequest2 = newAlterIsrPartition(replicationControl, topicIdPartition, asList(0, 1));
    invalidIsrRequest2.setNewIsr(asList(1, 2));
    ControllerResult<AlterIsrResponseData> invalidIsrResult2 = sendAlterIsr(replicationControl, 1, ctx.currentBrokerEpoch(1), "foo", invalidIsrRequest2);
    assertAlterIsrResponse(invalidIsrResult2, topicPartition, Errors.INVALID_REQUEST);
}

Example 10 with TopicIdPartition

use of org.apache.kafka.controller.BrokersToIsrs.TopicIdPartition in project kafka by apache.

the class BrokersToIsrsTest method testLeadersOnlyIterator.

@Test
public void testLeadersOnlyIterator() {
    SnapshotRegistry snapshotRegistry = new SnapshotRegistry(new LogContext());
    BrokersToIsrs brokersToIsrs = new BrokersToIsrs(snapshotRegistry);
    brokersToIsrs.update(UUIDS[0], 0, null, new int[] { 1, 2, 3 }, -1, 1);
    brokersToIsrs.update(UUIDS[1], 1, null, new int[] { 2, 3, 4 }, -1, 4);
    assertEquals(toSet(new TopicIdPartition(UUIDS[0], 0)), toSet(brokersToIsrs.iterator(1, true)));
    assertEquals(toSet(), toSet(brokersToIsrs.iterator(2, true)));
    assertEquals(toSet(new TopicIdPartition(UUIDS[1], 1)), toSet(brokersToIsrs.iterator(4, true)));
    brokersToIsrs.update(UUIDS[0], 0, new int[] { 1, 2, 3 }, new int[] { 1, 2, 3 }, 1, 2);
    assertEquals(toSet(), toSet(brokersToIsrs.iterator(1, true)));
    assertEquals(toSet(new TopicIdPartition(UUIDS[0], 0)), toSet(brokersToIsrs.iterator(2, true)));
}