Category: Apache Kafka

[Kafka-connect] Solving the error or issues on Kafka-connect

Posted on By nim No Comments on [Kafka-connect] Solving the error or issues on Kafka-connect

Với các connector của debezium bạn có thể tham khảo các issues ở đây:https://issues.redhat.com/projects/DBZ/issues/DBZ-5037?filter=allopenissues Và thường chúng ta sẽ lọc theo version. mysqldebezium Nếu bị lỗi trên thì change value: database.history.kafka.topic (thay đổi ký tự chẳng hạn)

Kafka Connect

[Kafka-connect] Reset Connector in Kafka Connect

Posted on By nim No Comments on [Kafka-connect] Reset Connector in Kafka Connect

Hello các bạn sau đâu mình sẽ trình bày về vần để reset 1 connector trên kafka. Why need you reset a connector in Kafka-connect?Vì 1 số case thì kafka-connect sẽ read data từ Database rồi write data vào trong 1 topic trên kafka.Với Mysql thì thì kafka-connect sẽ đọc log bin, với Mongodb thì…

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Kafka Connect

[Kafka-Connect] Overwrite value of Key on Mongo Source Connector – Mongodb

Posted on By nim No Comments on [Kafka-Connect] Overwrite value of Key on Mongo Source Connector – Mongodb

Mình đã có 1 bài hướng dẫn các bạn tạo Connector Source CDC từ read data từ 1 database và 1 collection thuộc 1 Mongodb và write vào topic. Ta để ý value của key sẽ thay đổi liên tục. 1st: Create Document A –(read data change)–> Kafka-connect –(write topic)–> Kafka –> 1 message có…

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Kafka Connect

[Lenses/kafka] Configure authentication and authorization for lenses

Posted on By nim No Comments on [Lenses/kafka] Configure authentication and authorization for lenses

Mặc định pass là admin/adminGiờ chúng ta muốn change pass admin thì làm sao. 1) Configure authentication Reference links:https://docs.lenses.io/3.0/install_setup/configuration/security.html Lenses Administrator A default account with administrator privileges is always active. The default credentials are admin / admin and if left at default, a notification will show in the user interface, informing that the setup is insecure. The default account username…

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Lenses

[Kafka-connect] Single Message Transform: lesson 12 – Community Transformations

Posted on By nim No Comments on [Kafka-connect] Single Message Transform: lesson 12 – Community Transformations

Apache Kafka ships with many Single Message Transformations included – but the great thing about it being an open API is that people can, and do, write their own transformations. Many of these are shared with the wider community, and in this final installment of the series I’m going to look at some of the transformations written by Jeremy…

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Kafka Connect

[Kafka-connect] Single Message Transform: lesson 11 – Predicate and Filter – filtering topic name and content of the messages.

Posted on By nim No Comments on [Kafka-connect] Single Message Transform: lesson 11 – Predicate and Filter – filtering topic name and content of the messages.

1) Setup the components. Phần setup kafka, bạn có thể coi lại link này he:Setup the needing components of Kafka Bạn nhớ delele container cũ và run lại docker-compose nhé:docker-compose down -vdocker-compose up -d 2) Practice. reference link:https://github.com/confluentinc/demo-scene/blob/master/kafka-connect-single-message-transforms/day11.adoc Với connector source-voluble-datagen-day11-00 thì nó sẽ sinh ra 2 topic:– day11-sys01– day11-systemBOK bạn cần nhớ điều này…

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Kafka Connect

[Kafka-connect] Single Message Transform: lesson 10 – ReplaceField – U can drop, keep and renamed field in kafka message.

Posted on By nim No Comments on [Kafka-connect] Single Message Transform: lesson 10 – ReplaceField – U can drop, keep and renamed field in kafka message.

1) Setup the components. Phần setup kafka, bạn có thể coi lại link này he:Setup the needing components of Kafka Bạn nhớ delele container cũ và run lại docker-compose nhé:docker-compose down -vdocker-compose up -d 2) Practice. reference link:https://github.com/confluentinc/demo-scene/blob/master/kafka-connect-single-message-transforms/day10.adoc Dropping fields in a sink connector: [Kafka-connect] Single Message Transform: lesson 5 MaskFieldỞ bài 5 chúng ta…

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Kafka Connect

[Kafka-connect] Single Message Transform: lesson 9 – Cast

Posted on By nim No Comments on [Kafka-connect] Single Message Transform: lesson 9 – Cast

Bài này chúng ta sẽ chỉ custom type data khi nào source connector 1) Setup the components. Phần setup kafka, bạn có thể coi lại link này he:Setup the needing components of Kafka Bạn nhớ delele container cũ và run lại docker-compose nhé:docker-compose down -vdocker-compose up -d 2) Practice. reference link:https://github.com/confluentinc/demo-scene/blob/master/kafka-connect-single-message-transforms/day9.adoc Bạn thấy kết quả…

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Apache Kafka, Kafka Connect