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From Thor Martin Abrahamsen <>
Subject Re: [AsterixDB] execution time metric in the HTTP API
Date Sat, 03 Dec 2016 14:47:54 GMT
Thanks for your suggestions, Pouria and Till.

Using the «mode=asynchronous-deferred» returned only the handle, just as I wanted. But I
am not getting any metrics with the response. Just the handle. The same goes for the request
without the «mode» parameter: I only get the results, not any metrics. Is there a way to
get metrics with the API response? Or is it possible to use «mode=asynchronous-deferred»
in the web interface?

The asterixClient worked perfectly, but the execution time returned is calculated in the client,
not by AsterixDB (please correct me if I’m wrong Pouria). Ideally I would like the isolated
AsterixDB execution time, and don’t consider network delay or client performance. I might
try running the client on the same node as the CC :)

Best regards
Thor Martin Abrahamsen
Student @ NTNU
Tlf. +47 470 78 713

2. des. 2016 kl. 20.45 skrev Till Westmann <<>>:


an alternative to using the client that Pouria suggested would be to add
"mode=asynchronous-deferred" as an HTTP parameter when talking to the API. In
that case the query should be evaluated completely and an HTTP response should
come back - however without the result. Instead the response should contain a
handle where you could pick up the query result (which you could choose not to
I'm using "should" a lot, as I haven't used this feature for a while, and so my
recollection of what it does might be buggy or outdated.


On 2 Dec 2016, at 11:16, Pouria Pirzadeh wrote:

You may find the following client useful.
It works against the HTTP, runs query workload for one or more iterations
and dumps the response time per query/iteration in a stats file.


On Fri, Dec 2, 2016 at 10:45 AM, Thor Martin Abrahamsen <


Is it possible to get the execution time metric in the HTTP API?

I’m running some queries and are interested in the execution time. In the
web interface the duration is printed below the results, but I want the
queries to execute without printing the results. Either in the web
interface, or through the API. The specific query is iterating through a
dataset and applying a library function on each record.

I am working on a student project together with Heri.

Thor Martin Abrahamsen
Student @ NTNU
Tlf. +47 470 78 713

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