docker-compose cpus
时间: 2023-11-02 13:06:00 浏览: 62
docker-compose中的cpus字段用于设置容器所能使用的CPU资源的限制。在给定的值下,它可以是小数或字符串。如果是小数,表示该容器可以使用的CPU核心数的百分比(例如0.5表示50%的一个CPU核心)。如果是字符串,则可以指定特定数量的CPU核心和可选的单位(例如"2"表示2个CPU核心)。
相关问题
docker-compose安装logstash
通过docker-compose安装logstash的步骤如下:
1. 首先,需要编写一个docker-compose.yaml文件,指定logstash的版本、资源限制、挂载路径、端口等配置信息。示例文件如下:
version: '3'
services:
logstash:
restart: always
image: logstash:6.7.0
deploy:
replicas: 1
update_config:
parallelism: 2
delay: 10s
restart_policy:
condition: on-failure
delay: 5s
max_attempts: 3
window: 120s
resources:
limits:
cpus: '0.5'
memory: 1024M
reservations:
cpus: '1'
memory: 2408M
volumes:
- /opt/data/logstash/:/opt/data/logstash/
ports:
- "9600:9600"
- "5044:5044"
container_name: "logstash"
networks:
- back-up
networks:
back-up:
driver: bridge
2. 然后,使用docker-compose命令构建logstash容器:
docker-compose -f docker-compose.yaml up -d
3. 最后,通过以下命令进入logstash容器进行操作:
docker exec -it logstash /bin/bash
这样就可以通过docker-compose安装logstash了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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docker-compose mysql5.7
要使用docker-compose来部署MySQL 5.7,你可以按照以下步骤进行操作:
1. 首先,确保你已经安装了docker-compose并创建了所需的文件夹。在Linux上,你需要在/usr/local/geek/mysql目录下创建三个文件夹:data(用于存放数据)、conf(存放自定义配置)和log(存放日志文件)。
2. 在mysql文件夹中创建一个名为docker-compose.yml的文件,并将以下内容复制到该文件中:
```
version: '2.2'
services:
mysql:
container_name: mysql
hostname: docker-tool-mysql
cpus: "2"
mem_limit: "2G"
environment:
MYSQL_ROOT_PASSWORD: "123456"
MYSQL_USER: 'zhongtao'
MYSQL_PASS: '123456'
image: "docker.io/mysql:5.7"
restart: always
volumes:
- "/usr/local/geek/mysql/data:/var/lib/mysql"
- "/usr/local/geek/mysql/conf/my.cnf:/etc/my.cnf"
- "/usr/local/geek/mysql/log:/var/log/mysql"
ports:
- "3306:3306"
networks:
20190116_aidata_network:
ipv4_address: 81.68.172.91
networks:
20190116_aidata_network:
external: true
```
3. 保存并关闭docker-compose.yml文件。
4. 在终端中导航到docker-compose.yml所在的目录,然后运行以下命令启动MySQL容器:
```
/usr/local/geek/mysql# docker-compose up -d
```
5. 等待一段时间,MySQL容器将会自动加载和安装。你可以使用以下命令进入MySQL容器内:
```
/usr/local/geek/mysql# docker exec -it mysql bash
```
这样你就可以在MySQL容器中进行操作了。请注意,上述命令中的路径和参数根据你的实际情况进行调整。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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