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Willian Dallastella updated KAFKA-13597: ---------------------------------------- Description: I'm having this issue reported here: [https://github.com/spring-projects/spring-kafka/issues/2056] It is a Spring Boot 2.5.7 application that started failing (out of memory) when updated to Spring Boot 2.6.1. This updated *kafka-clients {color:#00875a}2.7.1{color}* to *{color:#ff0000}3.0.0{color}* and started causing the memory leak. The service is using a standard spring *katkaTemplate* to send messages. {code:java} kafkaTemplate.send( topic, id, data ).addCallback(kafkaLoggerCallback) {code} This producer is quite heavy (2-2k messages/s) *Downgrading* just the lib *kafka-clients* to *{color:#00875a}2.7.1{color}* solves the issue. h2. Memory leak sample * The green line around 16:40 is the service using kafka-clients 2.7.1 * The pink line around 16:55 is without downgrading, that means kafka-clients 3.0.0 !image-2022-01-17-12-59-43-411.png|width=1379,height=411! h2. Profiling sample !image-2022-01-17-13-01-43-418.png! was: I'm having this issue reported here: [https://github.com/spring-projects/spring-kafka/issues/2056] It is a Spring Boot 2.5.7 application that started failing when updated to Spring Boot 2.6.1. This updated *kafka-clients {color:#00875a}2.7.1{color}* to *{color:#FF0000}3.0.0{color}* and started causing the memory leak. The service is using a standard spring *katkaTemplate* to send messages. {code:java} kafkaTemplate.send( topic, id, data ).addCallback(kafkaLoggerCallback) {code} This producer is quite heavy (2-2k messages/s) *Downgrading* just the lib *kafka-clients* to *{color:#00875a}2.7.1{color}* solves the issue. h2. Memory leak sample * The green line around 16:40 is the service using kafka-clients 2.7.1 * The pink line around 16:55 is without downgrading, that means kafka-clients 3.0.0 !image-2022-01-17-12-59-43-411.png|width=1379,height=411! h2. Profiling sample !image-2022-01-17-13-01-43-418.png! > Memory leak with kafka-clients 3.0.0 > ------------------------------------ > > Key: KAFKA-13597 > URL: https://issues.apache.org/jira/browse/KAFKA-13597 > Project: Kafka > Issue Type: Bug > Components: clients > Affects Versions: 3.0.0 > Reporter: Willian Dallastella > Priority: Major > Attachments: image-2022-01-17-12-59-43-411.png, > image-2022-01-17-13-01-43-418.png > > > I'm having this issue reported here: > [https://github.com/spring-projects/spring-kafka/issues/2056] > > It is a Spring Boot 2.5.7 application that started failing (out of memory) > when updated to Spring Boot 2.6.1. > This updated *kafka-clients {color:#00875a}2.7.1{color}* to > *{color:#ff0000}3.0.0{color}* and started causing the memory leak. > > The service is using a standard spring *katkaTemplate* to send messages. > {code:java} > kafkaTemplate.send( > topic, > id, > data > ).addCallback(kafkaLoggerCallback) {code} > This producer is quite heavy (2-2k messages/s) > > *Downgrading* just the lib *kafka-clients* to *{color:#00875a}2.7.1{color}* > solves the issue. > h2. Memory leak sample > * The green line around 16:40 is the service using kafka-clients 2.7.1 > * The pink line around 16:55 is without downgrading, that means > kafka-clients 3.0.0 > !image-2022-01-17-12-59-43-411.png|width=1379,height=411! > > h2. Profiling sample > > !image-2022-01-17-13-01-43-418.png! -- This message was sent by Atlassian Jira (v8.20.1#820001)