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<div class="moz-cite-prefix">On 07/02/2014 06:31 AM, Wen Wang wrote:<br>
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<blockquote cite="mid:53B3D16C.1090001@linux.vnet.ibm.com"
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<div class="moz-cite-prefix">On 7/2/2014 10:04 AM, Aline Manera
wrote:<br>
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<blockquote cite="mid:53B36893.7030502@linux.vnet.ibm.com"
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<div class="moz-cite-prefix">On 06/27/2014 08:15 AM, Wen Wang
wrote:<br>
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<blockquote cite="mid:53AD524B.6020909@linux.vnet.ibm.com"
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Dear all,<br>
<b><br>
</b><b>Problems:</b><br>
Now our strategy for long time operation is using task which
the browser needs to check up-to-date task status time by time
until the task ends. It's time consuming and less efficient.
Also there exists several problems when locating each task
when doing debug generating and storage pool as well as some
new features that might use task strategy in the future. <br>
<br>
<b>Solution</b>:<br>
As talked with Sheldon and Zhengsheng, we came up with a
solution that avoid browser checking status every 200ms. Also,
we might need some more labels in each task to provide more
information when getting the task like we might need to
indicate which operation triggered certain task. What's in our
mind is to use the strategy that allow the server inform
browser about the task information. Our proposal is designed
as follows.<br>
<br>
1) Browser needs to register to the back end to indicate which
part the result needs to reply to when the task finished.<br>
2) The back end use broker to manage message distribution:
when a task is finished or experiencing an error, back end
inform the browser certain part of work is finished or error.<br>
3) Using websocket of cherrypy to accomplish the message
transfer.<br>
<br>
</blockquote>
<br>
+1<br>
<br>
We just need more details to accomplish that<br>
Can we do it in 3 weeks (1 sprint)? or 1 sprint for backend and
other one for the frontend?<br>
</blockquote>
We discussed today.It depends on how much we want to use this new
feature. Though it's a good feature, we might need to redesign all
task in the back-end and might need a new tab in the front which
indicates user what kind of message they want to register. </blockquote>
<br>
A new tab to register for messages??<br>
I don't think so. The frontend (ie, our JS code) should be enough
expert to do it by itself. It should not require any user
interaction.<br>
<br>
<blockquote cite="mid:53B3D16C.1090001@linux.vnet.ibm.com"
type="cite">Also just for the task issue, simply we might just
need to add some pairs of keys that provide more information of
the task so that the browser will identify which user is running
which tasks, in which case, we still need the browser check over
and over again whether one task is finished.<br>
<br>
We might need to discuss more about this issue and if we want a
new design of the message deliver, it might need more time for
both the back-end and the front-end work for a long time since
there hardly exist one good solution for that. We need to design
all my our own. And for the task improvement proposal, it should
be a much more quick job.<br>
<br>
Best Regards<br>
<br>
Wang Wen<br>
<blockquote cite="mid:53B36893.7030502@linux.vnet.ibm.com"
type="cite"> <br>
<blockquote cite="mid:53AD524B.6020909@linux.vnet.ibm.com"
type="cite"> Best Regards<br>
<br>
Wang Wen<br>
<br>
<br>
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