Danny 

Thanks for reply . Referring the link (
http://www.marklogicevents.com/file/presentations/Effective_XQuery_in_MarkLogic_Heitkamp_Koul.pdf
)  where on slide 36 it is mentioned that HTTP interfaces executes 
asynchronously. Let me know If  I misunderstood.

Can It be possible to run child some transaction asynchronously. I am 
thinking of one way to achieve it where the child module is written into 
separate xqy file and then use xdmp:spawn  to invoke the module. In this 
case the parent transaction will not wait for the response from the 
spawned module. Let me know If I am wrong here.

Any separate way to achieve the asynchronous child transaction?

Thanks 
Abhishek Srivastav
Tata Consultancy Services
Cell:- +91-9883389968
Mailto: abhishek5...@tcs.com
Website: http://www.tcs.com
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From:
Danny Sokolsky <danny.sokol...@marklogic.com>
To:
General MarkLogic Developer Discussion <general@developer.marklogic.com>
Date:
07/14/2011 06:27 AM
Subject:
Re: [MarkLogic Dev General] Async behavior of HTTP request
Sent by:
general-boun...@developer.marklogic.com



Hi Abhishek,
 
I think the http-get requests are *synchronous*, not asynchronous; that 
is, they will wait until they get the results to move on to the next thing 
in the query.  So I am not sure I understand your question.  For example, 
if you run the following:
 
let $x := (xdmp:http-get("http://marklogic.com";), xdmp:log("Req # 1"), 
xdmp:sleep(1000))
let $y := (xdmp:http-get("http://marklogic.com";), xdmp:log("Req # 1"), 
xdmp:sleep(1000))
return
xdmp:log("Process completed")
 
You will see 3 log messages in your log, and they will be about 1 second 
apart from each other.
 
2011-07-13 17:53:48.395 Info: danny: Req # 1
2011-07-13 17:53:49.462 Info: danny: Req # 1
2011-07-13 17:53:50.462 Info: danny: Process completed
 
-Danny
 
From: general-boun...@developer.marklogic.com [
mailto:general-boun...@developer.marklogic.com] On Behalf Of Abhishek53 S
Sent: Wednesday, July 13, 2011 12:36 PM
To: General MarkLogic Developer Discussion
Subject: [MarkLogic Dev General] Async behavior of HTTP request
 
Hi Folks,
 
As per my understanding of HTTP request through Marklogic HTTP APIs is 
that they are asynchronous by nature.Between the HTTP service requests the 
behavior is asynchronous.
 
Is the calling module execute asynchronously with invoked HTTP requests ie 
sample query
 
let $x := xdmp:http-get($uri1,())
let $y := xdmp:http-get($uri2,())
return
xdmp:log("Process completed")
Can the logging be done irrespective to wait for the response from both 
the requests?
 
Your suggestions will be appreciated.
Thanks in advance
Abhishek Srivastav
Tata Consultancy Services
Cell:- +91-9883389968
Mailto: abhishek5...@tcs.com
Website: http://www.tcs.com
____________________________________________
Experience certainty. IT Services
Business Solutions
Outsourcing
____________________________________________
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