Re: work unit rotation

At 23:12 +0100 on 09/05/2012, Mike Reed wrote about Re: [RC5] work 
unit rotation:

>Hi,
>
>What is wrong with letting the client handle the buffers?
>
>Kind regards,
>Mike

Nothing if you let the buffers flush and refresh. This will insure 
that all the blocks get processed before you get new blocks. The 
stated scenario however does not insure that you process all the 
blocks before adding more. If newly added blocks can get processed 
before ones that were there before they were added, then in theory 
you can keep adding blocks that jump to the top of the queue and thus 
prevent older blocks from ever getting selected. I am NOT saying that 
this can occur and that the queue is not processed FIFO. My suggested 
method just insures that all blocks are processed and some do not get 
stalled due to newly added blocks.

>
>On Sep 5, 2012 8:43 PM, "Robert A. Rosenberg" 
><<mailto:[email protected]>[email protected]> wrote:
>
>At 08:38 -0700 on 09/05/2012, jp68 wrote about [RC5] work unit rotation:
>
>>What I'm  wondering is if there is any work unit date/age selection
>>involved so
>>that the oldest work units in the buff-in file would be completed before
>>newer ones were??
>
>While I can not answer your question, if your intent is to insure
>that old units are processed before new ones, you can do this by
>setting your running client to flush its work into a 2nd set of
>buffers as well as refresh from the 2nd set of buffers. By keeping
>the number of work units low it will periodically flush and refresh.
>The 2nd set of buffers are controlled by a 2nd client you just launch
>to do the -import (and you just copy the completed work to your flash
>drive and delete the file). This will cause the refresh to get the
>oldest units.
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