kafka.api.PartitionMetadata Java Examples
The following examples show how to use
kafka.api.PartitionMetadata.
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Example #1
Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkUtils zkUtils = getZkUtils(); try { PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkUtils).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); return firstPart.leader().get().id(); } finally { zkUtils.close(); } }
Example #2
Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkClient zkClient = createZkClient(); PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkClient).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); zkClient.close(); return firstPart.leader().get().id(); }
Example #3
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkUtils zkUtils = getZkUtils(); try { PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkUtils).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); return firstPart.leader().get().id(); } finally { zkUtils.close(); } }
Example #4
Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 6 votes |
@Override public int getLeaderToShutDown(String topic) throws Exception { ZkClient zkClient = createZkClient(); PartitionMetadata firstPart = null; do { if (firstPart != null) { LOG.info("Unable to find leader. error code {}", firstPart.errorCode()); // not the first try. Sleep a bit Thread.sleep(150); } Seq<PartitionMetadata> partitionMetadata = AdminUtils.fetchTopicMetadataFromZk(topic, zkClient).partitionsMetadata(); firstPart = partitionMetadata.head(); } while (firstPart.errorCode() != 0); zkClient.close(); return firstPart.leader().get().id(); }
Example #5
Source File: KafkaPartitionLevelConsumerTest.java From incubator-pinot with Apache License 2.0 | 5 votes |
@Override public TopicMetadataResponse send(TopicMetadataRequest request) { java.util.List<String> topics = request.topics(); TopicMetadata[] topicMetadataArray = new TopicMetadata[topics.size()]; for (int i = 0; i < topicMetadataArray.length; i++) { String topic = topics.get(i); if (!topic.equals(topicName)) { topicMetadataArray[i] = new TopicMetadata(topic, null, Errors.UNKNOWN_TOPIC_OR_PARTITION.code()); } else { PartitionMetadata[] partitionMetadataArray = new PartitionMetadata[partitionCount]; for (int j = 0; j < partitionCount; j++) { java.util.List<BrokerEndPoint> emptyJavaList = Collections.emptyList(); List<BrokerEndPoint> emptyScalaList = JavaConversions.asScalaBuffer(emptyJavaList).toList(); partitionMetadataArray[j] = new PartitionMetadata(j, Some.apply(brokerArray[partitionLeaderIndices[j]]), emptyScalaList, emptyScalaList, Errors.NONE.code()); } Seq<PartitionMetadata> partitionsMetadata = List.fromArray(partitionMetadataArray); topicMetadataArray[i] = new TopicMetadata(topic, partitionsMetadata, Errors.NONE.code()); } } Seq<BrokerEndPoint> brokers = List.fromArray(brokerArray); Seq<TopicMetadata> topicsMetadata = List.fromArray(topicMetadataArray); return new TopicMetadataResponse(new kafka.api.TopicMetadataResponse(brokers, topicsMetadata, -1)); }
Example #6
Source File: KafkaBaseInfoService.java From kafka-monitor with Apache License 2.0 | 4 votes |
/** * 取得topic元数据 * * @param topics * @return */ public Map<String, Topic> getTopicMetadata(String... topics) { //请求topic元数据 kafka.api.TopicMetadataResponse response = ClientUtils.fetchTopicMetadata(JavaConversions.asScalaIterable(Arrays.asList(topics)).toSet(), JavaConversions.asScalaBuffer(getBrokerEndPoints()), "test", 2000, 1); //从元数据中取得topic信息 Map<String, Topic> topicMap = WrapAsJava$.MODULE$.seqAsJavaList(response.topicsMetadata()) .stream().filter(error -> error.errorCode() == ErrorMapping.NoError()) .map((temp) -> { Topic topic = new Topic(temp.topic()); topic.setConfig(JSONObject.parseObject(topicConfigCache.getCurrentData(ZkUtils.EntityConfigPath() + "/topics/" + temp.topic()).getData(), Map.class)); List<PartitionMetadata> pMetadata = WrapAsJava$.MODULE$.seqAsJavaList(temp.partitionsMetadata()); topic.setPartitionMap( pMetadata.stream() .map((pMta) -> { //添加Partition副本信息 Partition partition = new Partition(pMta.partitionId()); BrokerEndPoint leader; int leaderId = -1; if (pMta.leader().nonEmpty()) { leader = pMta.leader().get(); leaderId = leader.id(); } partition.setIsr(WrapAsJava$.MODULE$.seqAsJavaList(pMta.isr()).stream().mapToInt(i -> i.id()).toArray()); for (BrokerEndPoint replica : WrapAsJava$.MODULE$.seqAsJavaList(pMta.replicas())) { boolean isLeader = false; if (replica.id() == leaderId) { isLeader = true; } partition.addReplica(new PartitionReplica(replica.id(), true, isLeader)); } partition.setReplicasArray(WrapAsJava$.MODULE$.seqAsJavaList(pMta.replicas()).stream().mapToInt(m -> m.id()).toArray()); if (pMta.replicas().size() > 0) { //首选副本 BrokerEndPoint preferedReplica = WrapAsJava$.MODULE$.seqAsJavaList(pMta.replicas()).get(0); //首选副本等于leader if (leaderId == preferedReplica.id()) { partition.setPreferredLeaderId(leaderId); } } return partition; }).collect(Collectors.toMap(Partition::getId, p -> p)) ); return topic; }).collect(Collectors.toMap(Topic::getName, t -> t)); return topicMap; }
Example #7
Source File: KafkaBaseInfoService.java From kafka-monitor with Apache License 2.0 | 4 votes |
private List<Integer> getIsr(String topic, PartitionMetadata pmd) { // return pmd.isr().stream().map((temp) -> temp.id()).collect(Collectors.toList()); return null; }