Re: qa/662 (pmwebd) non-determinism

Hi, Ken -

> On a couple of hosts, I'm seeing ...
> 
> kenj@vm24:~/src/pcp/qa$ show-me 662
> 662:
> [...]
> -   metric:sample.string.hullo metadata:7
>     metric:sample.string.bin metadata:8
> [...]
> --- 225,232 ----
> [...]
>     metric:sample.string.bin metadata:8
> +   metric:sample.string.hullo metadata:7
> [...]

> so it would appear pmwebd is returning metrics in a slightly different 
> order.  I am assuming this is sort of expected, rather than a bug.

For what it's worth, pmwebd is not reordering anything here.  It
reports to the web a straight accumulation of the pmTraversePMNS_r
callbacks (pmwebapi.cxx pmwebapi_respond_metric_list).

The qa/src/test_webapi.python test_metadata function however does sort
the output.  And I don't see off the top of my head why it should not
have done so for this report.  (Python bug?)


- FChE

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