CentOS 8 Docker 的警告求助

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这是一个创建于 1814 天前的主题，其中的信息可能已经有所发展或是发生改变。

这两个警告怎么处理呢？

WARNING: No blkio weight support WARNING: No blkio weight_device support

Google 搜了半天没搜到

docker info

Client: Context: default Debug Mode: false Plugins: app: Docker App (Docker Inc., v0.9.1-beta3) buildx: Build with BuildKit (Docker Inc., v0.5.0-docker) Server: Containers: 5 Running: 5 Paused: 0 Stopped: 0 Images: 5 Server Version: 20.10.1 Storage Driver: overlay2 Backing Filesystem: xfs Supports d_type: true Native Overlay Diff: true Logging Driver: json-file Cgroup Driver: cgroupfs Cgroup Version: 1 Plugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog Swarm: inactive Runtimes: io.containerd.runtime.v1.linux runc io.containerd.runc.v2 Default Runtime: runc Init Binary: docker-init containerd version: 269548fa27e0089a8b8278fc4fc781d7f65a939b runc version: ff819c7e9184c13b7c2607fe6c30ae19403a7aff init version: de40ad0 Security Options: seccomp Profile: default userns Kernel Version: 4.18.0-240.1.1.el8_3.x86_64 Operating System: CentOS Linux 8 OSType: linux Architecture: x86_64 CPUs: 8 Total Memory: 7.559GiB Name: V-app-push2021 ID: UXSD:UFLJ:JJTA:RFIC:PMCO:IPA2:MDZB:6NXD:2IGP:OZFK:5WEJ:2HPH Docker Root Dir: /data/lib/docker/1000.1000 Debug Mode: false Registry: https://index.docker.io/v1/ Labels: Experimental: false Insecure Registries: 127.0.0.0/8 Registry Mirrors: https://hub-mirror.c.163.com/ https://dockerhub.azk8s.cn/ Live Restore Enabled: false WARNING: No blkio weight support WARNING: No blkio weight_device support

第 1 条附言 2020-12-30 12:14:38 +08:00

docker version

Client: Docker Engine - Community Version: 20.10.1 API version: 1.41 Go version: go1.13.15 Git commit: 831ebea Built: Tue Dec 15 04:34:30 2020 OS/Arch: linux/amd64 Context: default Experimental: true Server: Docker Engine - Community Engine: Version: 20.10.1 API version: 1.41 (minimum version 1.12) Go version: go1.13.15 Git commit: f001486 Built: Tue Dec 15 04:32:21 2020 OS/Arch: linux/amd64 Experimental: false containerd: Version: 1.4.3 GitCommit: 269548fa27e0089a8b8278fc4fc781d7f65a939b runc: Version: 1.0.0-rc92 GitCommit: ff819c7e9184c13b7c2607fe6c30ae19403a7aff docker-init: Version: 0.19.0 GitCommit: de40ad0

1 条回复 2021-01-21 16:57:14 +08:00

ward56

2021-01-21 16:57:14 +08:00

这只是一个警告，一般我是忽略的，没什么影响。

这个警告是系统 IO 调度算法不兼容问题，下面参数针对特殊设备加权控制，也可以在 redhat 的 blkio 看到详细。
运行容器时加上即可。
blkio-weight （一般 10-100 ）前提你要开启 cfq，或者直接改调度算法。

推荐先看下 centos 的 io 调度算法。