Sorry, I don't understand. From what I found in the wiki trickle messages are
from the application to the server and vice-versa.

We need the clients to contact the server and ask for work every few minutes.
What I understand is that work is only given to clients when they ask for it.

The issue with 7.0.25 is that when there is no work the clients start taking
longer and longer time to ask for work. Then, when there is work the clients
maybe waiting hours before asking for it.

Patricio.



                                                                       
             yoyo                                                      
             <yoyo@mailueberfall                                       
             .de>                                                            To
                                         Patricio Vidal                
             08/09/2012 03:35 PM         <[email protected]>  
                                                                             cc
                                         [email protected],       
                                         [email protected],   
                                         [email protected]
                                                                        Subject
                                         Re: [boinc_dev] Changes to client
                                         scheduler from 6.12.33 to 7.0.25?
                                                                       
                                                                       
                                                                       
                                                                       
                                                                       
                                                                       




For what reason should the client contact the server so often?
You just can use trickle messages to be sent by the client.

yoyo

Patricio Vidal schrieb:
      Yes, for our project we need the clients to contact the server every few
      minutes. We send jobs that last from 20 minutes to few hours. If the
      clients
      don't contact the server for several hour then we are in trouble.

      Regards,
      Patricio.






                   John.McLeod@sybase.

                   com

      To
                   08/09/2012 11:21 AM         Patricio Vidal

                                               <[email protected]>

      cc
                                               [email protected],


      [email protected]

      Subject
                                               Re: [boinc_dev] Changes to client

                                               scheduler from 6.12.33 to 7.0.25?











      It was removed in order to avoid hammering projects from clients that were
      not going to ask for work and had no work they were working on.

      Perhaps, the code could be modified slightly again.  Only ignore the
      setting for contact server every X if the client has no work from the
      server and the client would not ask for work from the project.

      BTW, a really short contact period will play havoc with multi project
      clients as they will not be able to get work from elsewhere while you have
      no work.

      jm7


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        |[boinc_dev] Changes to client scheduler from 6.12.33 to 7.0.25?
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      Hello,

      I noticed a change in the client scheduler when moving from 6.12.33 to
      7.0.25: I
      have the <next_rpc_delay> set 180 in the config.xml.

      For 6.12.33 the clients contact the server even if there is no work, which
      is
      our desired behavior:

      8/8/2012 11:39:09 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 11:42:12 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 11:45:15 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 11:48:18 PM | AlgoGrid | Requesting new tasks for CPU


      For 7.0.25, when there are available task the scheduler contacts the
      server
      as
      expected:

      8/8/2012 9:26:33 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 9:27:10 PM | AlgoGrid | Requesting new tasks for CPU

      ... but when there is no tasks it starts delaying the request
      exponentially:

      8/8/2012 9:49:45 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 10:08:23 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 10:32:36 PM | AlgoGrid | Requesting new tasks for CPU
      8/8/2012 11:37:35 PM | AlgoGrid | Requesting new tasks for CPU
      8/9/2012 2:59:13 AM | AlgoGrid | Requesting new tasks for CPU
      8/9/2012 10:41:06 AM | AlgoGrid | Requesting new tasks for CPU


      Is there a new option to force the rpc call even if there is no tasks
      available?
      We need this behavior because our boinc project needs a quick response
      from
      the
      clients when we schedule a job (we have workunits of about 1 min
      processing
      time
      and we schedule thousands at a time).

      Thank you,
      Patricio.


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