Data compression in kafka

What compression codecs does Kafka support?

Kafka supports 4 compression codecs: none , gzip , lz4 and snappy ._{Mar 5, 2018}.

What data format does Kafka use?

Messages can have any format, the most common are string, JSON, and Avro.
The messages always have a key-value structure; a key or value can be null.
If the producer does not indicate where to write the data, the broker uses the key to partition and replicate messages..

What is the best compression algorithm for Kafka?

The other settings are different compression algorithms supported by Kafka.
In general, lz4 is recommended for performance. gzip is not recommended due to high overhead; if you're looking for a compression ratio similar to gzip but with less CPU overhead, give zstd a try..

What is the compression strategy of Kafka?

To make Kafka compression more effective, use batching.
Kafka producers internally use a batching mechanism to send multiple messages in one batch over the network.
Batching is especially better with entropy-less encoding like LZ4 and Snappy because these algorithms work the best with repeatable patterns in data._{Aug 19, 2022}.

What is the default compression type for Kafka producer?

The compression type for all data generated by the producer.
The default is none (i.e. no compression).
Valid values are none , gzip , snappy , lz4 , or zstd .
Compression is of full batches of data, so the efficacy of batching will also impact the compression ratio (more batching means better compression)..

What is the maximum message size compression in Kafka?

The Kafka max message size is .

1. MB.
In this lesson we will look at two approaches for handling larger messages in Kafka.
Kafka has a default limit of .
1. MB
per message in the topic.
This is because very large messages are considered inefficient and an anti-pattern in Apache Kafka.

2. What type of compression does Kafka Python use?

   kafka-python supports gzip compression/decompression natively.
   To produce or consume lz4 compressed messages, you should install python-lz4 (pip install lz4).
   To enable snappy, install python-snappy (also requires snappy library)..

3. Compression codecs supported
   Currently, only GZIP, Snappy and LZ4 compression codecs are supported.
4. kafka-python supports gzip compression/decompression natively.
   To produce or consume lz4 compressed messages, you should install python-lz4 (pip install lz4).
   To enable snappy, install python-snappy (also requires snappy library).
5. The Kafka max message size is .
   1. MB.
   In this lesson we will look at two approaches for handling larger messages in Kafka.
   Kafka has a default limit of .
   1. MB
   per message in the topic.
   This is because very large messages are considered inefficient and an anti-pattern in Apache Kafka.