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https://issues.apache.org/jira/browse/AMQ-9471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Richard Hierlmeier updated AMQ-9471:
------------------------------------
    Description: 
I started the  apache/activemq-classic with this docker-compose file:


{code:yaml}
version: "3.8"
services:
  activemq:
    image: apache/activemq-classic:5.18.3
    container_name: activemq
   ...
    environment:
      ACTIVEMQ_OPTS_MEMORY: "-Xms64M -Xmx2G"
{code}

However the ACTIVEMQ_OPTS_MEMORY env variable is not considered. The max heap 
size is still at the default value 1G:

{noformat}
$ docker-compose logs -f activemq
...
activemq  | Java Runtime: Eclipse Adoptium 11.0.21 /opt/java/openjdk
activemq  |   Heap sizes: current=65536k  free=58725k  max=1003520k
...
{noformat}



  was:
I started the  apache/activemq-classic with this docker-compose file:


{code:yaml}
version: "3.8"
services:
  activemq:
    image: apache/activemq-classic:5.18.3
    container_name: activemq
    expose:
      - "61616"
      - "5672"
      - "61613"
      - "1883"
      - "61614"
      - "8161"
      - "1099"
    ports:
      - "8161:8161"
      - "61616:61616"
      - "5672:5672"
      - "61613:61613"
      - "1883:1883"
      - "61614:61614"
      - "1099:1099"
    volumes:
      - activemq_conf:/opt/apache-activemq/conf/
    environment:
      ACTIVEMQ_OPTS_MEMORY: "-Xms64M -Xmx2G"
    command: activemq console
    stdin_open: true
    tty: true

volumes:
  activemq_conf:
    external: true
{code}

However the ACTIVEMQ_OPTS_MEMORY env variable is not considered. The max heap 
size is still at the default value 1G:

{noformat}
$ docker-compose logs -f activemq
...
activemq  | Java Runtime: Eclipse Adoptium 11.0.21 /opt/java/openjdk
activemq  |   Heap sizes: current=65536k  free=58725k  max=1003520k
...
{noformat}




> Cannot change max heapsize in apache/activemq-classic docker container
> ----------------------------------------------------------------------
>
>                 Key: AMQ-9471
>                 URL: https://issues.apache.org/jira/browse/AMQ-9471
>             Project: ActiveMQ Classic
>          Issue Type: Bug
>          Components: Docker
>    Affects Versions: 5.18.3
>            Reporter: Richard Hierlmeier
>            Priority: Major
>
> I started the  apache/activemq-classic with this docker-compose file:
> {code:yaml}
> version: "3.8"
> services:
>   activemq:
>     image: apache/activemq-classic:5.18.3
>     container_name: activemq
>    ...
>     environment:
>       ACTIVEMQ_OPTS_MEMORY: "-Xms64M -Xmx2G"
> {code}
> However the ACTIVEMQ_OPTS_MEMORY env variable is not considered. The max heap 
> size is still at the default value 1G:
> {noformat}
> $ docker-compose logs -f activemq
> ...
> activemq  | Java Runtime: Eclipse Adoptium 11.0.21 /opt/java/openjdk
> activemq  |   Heap sizes: current=65536k  free=58725k  max=1003520k
> ...
> {noformat}



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