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On 11/28/2014 03:47 PM, Nipun Arora wrote:
> Hi folks,
Hi Nipun!

> 1. --cpu-limit puts a limit on the max percentage of cpu that can
> be used in the container.
Exactly. 100% is a core, 200% is two cores and so on.
> Does this also limit the number of processors the container has 
> access to?
No, it does not. For that you need --cpus.
For example: Defining --cpus 2 --cpulimit 100 results in processes
being migrated around 2 cores with either a maximum of 50% for each
core (if both cores are used at the same time) or 100% for one core
(if only one core is used at the same time) or something in between.
So, the resulting sum of both cores calculated does never exceed 100%
(75%+25%=100%, or 10%+90%=100%, and so on...).

> 2. --io-limit is a way to limit the I/O - How is this measured?
> Both read+write combined?
- --iolimit limits both, read and write. Read and write are combined.
But(!), --iolimit never limits cached read/writes, only direct access
or flushed data/access.

- -- 
Best regards

Kevin Holly - r...@hallowe.lt - http://hallowe.lt/
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