I had built a docker container with a spring boot application. Container built with normal user ( USER XXXXX used in docker file) to run the application. Issue : We are getting an OutOfMemory error while running the container after some time. The same container is running fine with the root user.

How did you create the image? custom image or mvn spring-boot:build-image. Which docker version are you running from which package source?

It’s a custom image and using docker server version 19.03. Yes, the same container is running file with root user and getting out of memory error only in normal user alone.

Can you put this in other words? What java version are you using and did you specificly enable container cgroup support in your JAVA_OPTS in the entrypoint script of your container? The maven spring-boot:build-image target caculates the optimal heap for the cgroup limit that applies to the contai…

Below is the docker file which used to build docker images. I am running a container in EKS Fargate. FROM centos:latest RUN yum install -y tar curl telnet sudo Non-Root User RUN useradd -ms /bin/bash mike RUN echo ‘mike ALL=(ALL) NOPASSWD:ALL’ >> /etc/sudoers ARG JAR_FILE=target/.jar COPY ${JA…

I am not surprised you get OOM errors. Your java version is pretty old and does not respect cgroup limits by default. The background ec2 instance that fargate bootstraps for each pod is way larger when it commes to cpu/ram. Thus, java tries to assign 1/4 of the fargate host’s machine to your java pr…

@meyay I got the same problem for using EKS Fargate to run my container with jboss application. openjdk:8u342-oraclelinux8 is my base image, which is updated image in dockerhub. If problem comes from java itself, I wonder why it works well in using root user, but get trouble after creating a new us…

Out of Memory in Container

General

meyay (Metin Y.) August 27, 2022, 9:38am 8

I have no answer to your question, but I believe the discussion is continued in Out of Memory Error in openjdk Container.

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Out of Memory in Container

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