你们的应用都有放到 Docker 里吗，发现有点性能问题

› Boot2docker

This topic created in 3462 days ago, the information mentioned may be changed or developed.

最近几天折腾 docker,好不容易把 PhoenixFramework 好好运行在 container 里，却发现 ttfb waiting 时间比不用 docker 运行平均多 250ms ，要是放到生产环境这个能忍？

是不是 docker 还不够成熟还是我姿势不对？

Supplement 1 · Dec 7, 2016

加下 docker info:

Containers: 2
 Running: 2
 Paused: 0
 Stopped: 0
Images: 4
Server Version: 1.12.3
Storage Driver: devicemapper
 Pool Name: docker-253:1-24834-pool
 Pool Blocksize: 65.54 kB
 Base Device Size: 10.74 GB
 Backing Filesystem: xfs
 Data file: /dev/loop0
 Metadata file: /dev/loop1
 Data Space Used: 592.4 MB
 Data Space Total: 107.4 GB
 Data Space Available: 18.28 GB
 Metadata Space Used: 1.503 MB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.146 GB
 Thin Pool Minimum Free Space: 10.74 GB
 Udev Sync Supported: true
 Deferred Removal Enabled: false
 Deferred Deletion Enabled: false
 Deferred Deleted Device Count: 0
 Data loop file: /var/lib/docker/devicemapper/devicemapper/data
 WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.
 Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
 Library Version: 1.02.107-RHEL7 (2016-06-09)
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: bridge null host overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Security Options: seccomp
Kernel Version: 3.10.0-327.el7.x86_64
Operating System: CentOS Linux 7 (Core)
OSType: linux
Architecture: x86_64
CPUs: 1
Total Memory: 993.1 MiB
Name: VM_46_76_centos
ID: LMQR:K5WQ:NKCQ:DIEQ:X6HQ:3YJV:ZE7A:5QYH:Z4D2:L5R3:D2TE:RZKP
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
WARNING: bridge-nf-call-iptables is disabled
WARNING: bridge-nf-call-ip6tables is disabled
Insecure Registries:
 127.0.0.0/8

Docker

放到

container

TTFB

10 replies • 2016-12-30 16:08:13 +08:00