November 2017
Intermediate to advanced
298 pages
7h 10m
English
Content preview from Deployment with Docker
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CPU limits
Just like in our previous section about memory limits for services, docker run also supports a variety of CPU settings and parameters to tweak the computational needs of your services:
- -c/--cpu-shares: On a high-load host, all tasks are weighted equally by default. Setting this on a task or service (from the default of 1024) will increase or decrease the percentage of CPU utilization that the task can be scheduled for.
- --cpu-quota: This flag sets the number of microseconds that a task or service can use the CPU within a default block of time of 100 milliseconds (100,000 microseconds). For example, to only allow a maximum of 50% of a single CPU's core usage to a task, you would set this flag to 50000. For multiple cores, you would ...
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