码头工人-ELK-vm.max_map_count [英] Docker - ELK - vm.max_map_count

问题描述

我正在尝试使用docker的映像 elk-docker ( https://elk-docker.readthedocs.io/)，使用Docker Compose..yml文件如下:

I'm trying to use the docker's image elk-docker (https://elk-docker.readthedocs.io/) , using Docker Compose. The .yml file, is like this:

elk:
image: sebp/elk
ports:
  - "5601:5601"
  - "9200:9200"
  - "5044:5044"

当我运行命令:sudo docker-compose up时，控制台显示:

When I run the command: sudo docker-compose up, the console shows:

* Starting Elasticsearch Server
sysctl: setting key "vm.max_map_count": Read-only file system
...fail!
waiting for Elasticsearch to be up (1/30)
waiting for Elasticsearch to be up (2/30)
waiting for Elasticsearch to be up (3/30)
waiting for Elasticsearch to be up (4/30)
waiting for Elasticsearch to be up (5/30)
waiting for Elasticsearch to be up (6/30)
waiting for Elasticsearch to be up (7/30)
waiting for Elasticsearch to be up (8/30)
waiting for Elasticsearch to be up (9/30)
waiting for Elasticsearch to be up (10/30)
waiting for Elasticsearch to be up (11/30)
waiting for Elasticsearch to be up (12/30)
waiting for Elasticsearch to be up (13/30)
waiting for Elasticsearch to be up (14/30)
waiting for Elasticsearch to be up (15/30)
waiting for Elasticsearch to be up (16/30)
waiting for Elasticsearch to be up (17/30)
waiting for Elasticsearch to be up (18/30)
waiting for Elasticsearch to be up (19/30)
waiting for Elasticsearch to be up (20/30)
waiting for Elasticsearch to be up (21/30)
waiting for Elasticsearch to be up (22/30)
waiting for Elasticsearch to be up (23/30)
waiting for Elasticsearch to be up (24/30)
waiting for Elasticsearch to be up (25/30)
waiting for Elasticsearch to be up (26/30)
waiting for Elasticsearch to be up (27/30)
waiting for Elasticsearch to be up (28/30)
waiting for Elasticsearch to be up (29/30)
waiting for Elasticsearch to be up (30/30)
Couln't start Elasticsearch. Exiting.
Elasticsearch log follows below.
cat: /var/log/elasticsearch/elasticsearch.log: No such file or directory
docker_elk_1 exited with code 1

我该如何解决问题?

推荐答案

您可能需要在主机本身的/etc/sysctl.conf 中设置 vm.max_map_count ，这样Elasticsearch不会尝试从容器内部执行此操作.如果您不知道所需的值，请尝试将当前设置加倍并继续操作，直到Elasticsearch成功启动.文档建议至少262144.

You probably need to set vm.max_map_count in /etc/sysctl.conf on the host itself, so that Elasticsearch does not attempt to do that from inside the container. If you don't know the desired value, try doubling the current setting and keep going until Elasticsearch starts successfully. Documentation recommends at least 262144.

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