[Tutor] airflow dag

[shubham goyal]

Does anybody have answer?

On May 27, 2017 1:53 PM, "Cameron Simpson" <cs at zip.com.au> wrote:

> On 25May2017 18:02, Alan Gauld <alan.gauld at yahoo.co.uk> wrote:
>
>> On 25/05/17 13:15, shubham goyal wrote:
>>
>>> I want to ask that can we pass the parameters as commandline arguments in
>>> airflow when we are triggering the dag and access them inside the dag's
>>> python script/file.
>>>
>>
>> I've no idea what a dag is.
>>
>
> It's a directed acyclic graph, a very standard computer science term.
>
> Determining that that is what AirFlow means when it says "DAG" was
> surprisingly hard, but here we are:
>
>  http://airflow.apache.org/
>
> (So the hardness comes from a web search not dropping me on their front
> page:-)
>
> Looks like a tool for data driven computation using a graph of data
> pipelines.  By restricting it to a DAG on can be certain the computation
> will finish and the termination condition is trivially satisfied. No
> feedback loops.
>
> Cheers,
> Cameron Simpson <cs at zip.com.au>
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