If not, > the downstream might see duplicates in case of Flink failover or occasional > retry in the KafkaProducer of the Kafka sink. > > Thanks, > > Jiangjie (Becket) Qin > > On Thu, Oct 22, 2020 at 11:38 PM John Smith > wrote: > >> Any thoughts this doesn't seem to create duplicates all the time or maybe >> it's unrelated as we are still seeing the message and there

16 Mar 2021 This page describes default metrics for Apache Kafka Backends. in progress; Record error rate: average record sends per second that result in errors A fetch request can also be delayed if there is not enough data t

DEBUG org.apache.kafka.clients.NetworkClient - Disconnecting from node 1 due to request timeout. DEBUG org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient - Cancelled request with header RequestHeader(apiKey=FETCH, apiVersion=11, clientId=consumer-1, correlationId=183) due to node 1 being disconnected DEBUG org.apache.kafka We build a kafka cluster with 5 brokers. But one of brokers suddenly stopped running during the run. And it happened twice in the same broker. It was 'OK' at first. I haven't had it for more than six months, but it appears suddenly.

Kafka versions 0.9 and earlier don't support the required SASL protocols and can't connect to Event Hubs. Strange encodings on AMQP headers when consuming with Kafka - when sending events to an event hub over AMQP, any AMQP payload headers are serialized in AMQP encoding. Kafka consumers don't deserialize the headers from AMQP.

For exception logging (WARN / ERROR), include the possible cause of the exception, and the handling logic that is going to execute (closing the module, killing the thread, etc). org.apache.kafka.common.errors.DisconnectException: null 2020-12-01 16:02:28.254 INFO 41280 --- [ntainer#0-0-C-1] o.a.kafka.clients.FetchSessionHandler : [Consumer clientId=consumer-gp-7, groupId=gp] Error sending fetch request (sessionId=710600434, epoch=55) to node 0: {}. I have a Kafka consumer (Spring boot) configured using @KafkaListener.

Kafka源码分析-Consumer（10）-Fetcher. 通过前面的介绍，我们知道了offset操作的原理。这一节主要介绍消费者如何从服务端获取消息，KafkaConsumer依赖Fetcher类实现此功能。Fetcher类的主要功能是发送FetchRequest请求，获取指定的消息集合，处理FetchResponse，更新消费位置。

using:

fetch_max_wait_ms ( int ) – The maximum amount of time in milliseconds the server will block before answering the fetch request if there isn’t sufficient data to immediately satisfy the requirement given by fetch_min In the meantime, this offset fetch back-off should be only applied to EOS use cases, not general offset fetch use case such as admin client access. We shall also define a flag within offset fetch request so that we only trigger back-off logic when the request is involved in … Handling Fetch Request. The leader’s handling of fetch request will be extended such that if FetchOffset is less than LogStartOffset then the leader will respond with a SnapshotId of the latest snapshot.. Handling Fetch Response. The replica's handling of fetch response will be extended such that if SnapshotId is set then the follower will pause fetching of the log, and start fetching the Maximum Kafka protocol request message size.
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After these 2 seconds, the response for FETCH request has been received.

Consumer Configurations. Below are some important Kafka Consumer configurations: fetch.min.bytes – Minimum amount of data per fetch request I am using HDP-2.6.5.0 with kafka 1.0.0; I have to process large (16M) messages so i set message.max.bytes=18874368replica.fetch.max.bytes = 18874368socket.request.max.bytes =18874368 From Ambary/Kafka configs screen and restarted Kafka services When I try to send 16M messages: /usr/hdp/current/kafk classmethod encode_offset_fetch_request (client_id, correlation_id, group, payloads, from_kafka=False) ¶ Encode some OffsetFetchRequest structs.
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2020-04-06

That's fine I can >> look at upgrading the client and/or Kafka. But I'm trying to understand >> what happens in terms of the source and the sink. It looks let we get >> duplicates on the sink and I'm guessing it's because the consumer is >> failing and at that point Flink stays on that checkpoint until it can >> reconnect and process that offset and hence the duplicates downstream? >> >

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29 Jun 2019 group1] Error sending fetch request (sessionId=INVALID, epoch=INITIAL) to node 1: org.apache.kafka.common.errors.DisconnectException. [Consumer clientId=consumer-2, groupId=FalconDataRiver1] Error sending fetch request epoch=205630) to node 101: org.apache.kafka.common.errors. 2019年8月2日 GroupMetadataManager) [2019-08-02 15:26:54,405] INFO [ReplicaFetcher replicaId=0, leaderId=1, fetcherId=0] Error sending fetch request 15 Mar 2021 Reactor Kafka API enables messages to be published to Kafka and consumed from The Flux fails with an error after attempting to send all records This is used together with the fetch size and wait times configured on When a consumer wants to join a group, it sends a JoinGroup request to the group and fetch.min.bytes to 1 MB, Kafka will receive a fetch request from the consumer It is common to use the callback to log commit errors or to count 26 Mar 2021 Error sending fetch request (sessionId=1578860481, epoch=INITIAL) to node 2: java.io.IOException: Connection to 2 was disconnected before 16 Mar 2021 This page describes default metrics for Apache Kafka Backends.