{"id":16990,"date":"2024-03-15T14:03:15","date_gmt":"2024-03-15T14:03:15","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-do-you-configure-the-size-of-kafka-messages\/"},"modified":"2025-08-07T07:35:25","modified_gmt":"2025-08-07T07:35:25","slug":"how-do-you-configure-the-size-of-kafka-messages","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-do-you-configure-the-size-of-kafka-messages\/","title":{"rendered":"How do you configure the size of Kafka messages?"},"content":{"rendered":"

In Kafka, message size can be configured using the following two parameters:<\/p>\n

    \n
  1. The parameter message.max.byte limits the maximum size of a single message. Its default value is 1000000 bytes (1MB). You can adjust this value to be smaller or larger depending on your needs. If you want to send a message larger than the default value, you will need to increase this parameter accordingly.<\/li>\n
  2. The parameter replica.fetch.max.bytes is used to limit the maximum size of data a consumer can fetch in one request. The default value is 1048576 bytes (1MB). If your message size exceeds this value, the consumer will not be able to fetch the complete message. You can adjust this value based on your needs to make it smaller or larger.<\/li>\n<\/ol>\n

    You can modify the values of these parameters by adding the following two lines in the server.properties file.<\/p>\n

    message.max.bytes=5000000\r\nreplica.fetch.max.bytes=5000000\r\n<\/code><\/pre>\n
    The above examples set the values of message.max.bytes and replica.fetch.max.bytes to 5000000 bytes (5MB).<\/p>\n
    Please note that if you modify the values of these parameters, you may also need to adjust other related parameters accordingly, such as fetch.message.max.bytes, max.message.bytes, etc., to ensure the overall performance and reliability of the system.<\/p>\n","protected":false},"excerpt":{"rendered":"
    In Kafka, message size can be configured using the following two parameters: The parameter message.max.byte limits the maximum size of a single message. Its default value is 1000000 bytes (1MB). You can adjust this value to be smaller or larger depending on your needs. If you want to send a message larger than the default […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[453,1402,299,1404,1403],"class_list":["post-16990","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-development","tag-guide","tag-programming","tag-technology","tag-tutorial"],"yoast_head":"\nHow do you configure the size of Kafka messages? - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn about how do you configure the size of kafka messages?. 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