Скачать или смотреть A simple kafka and python walkthrough

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certainly! apache kafka is a distributed event streaming platform capable of handling trillions of events a day. it is often used for building real-time data pipelines and streaming applications. this tutorial will guide you through setting up a simple kafka producer and consumer using python.

prerequisites

1. **kafka**: ensure that you have apache kafka installed and running. you can download it from the [apache kafka website](https://kafka.apache.org/downloads).
2. **python**: make sure you have python installed.
3. **kafka python client**: you will need the `kafka-python` library, which can be installed via pip.



setting up kafka

1. **start zookeeper**: open a terminal and navigate to your kafka installation directory. start zookeeper with the following command:



2. **start kafka server**: in another terminal, start the kafka server:



3. **create a kafka topic**: open another terminal and create a topic called `test`:



4. **verify the topic**: check if the topic was created successfully:



python code example

now, let’s create a simple producer and consumer in python.

#### producer code

create a file named `producer.py` and add the following code:



#### consumer code

create another file named `consumer.py` and add the following code:



running the example

1. **run the consumer**: open a terminal and navigate to the directory where you saved `consumer.py`. run the consumer script:



2. **run the producer**: open another terminal and navigate to the directory where you saved `producer.py`. run the producer script:



explanation

**producer**: the producer sends messages to the `test` topic. in this example, it sends 10 messages with a 1-second interval.
**consumer**: the consumer listens to the `test` topic and prints any messages it receives.

conclusion

you have successfully set up a simple kafka producer and consumer using python! you can expand on this by adding more features like error han ...

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