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system:config:messagequeue_prepare

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system:config:messagequeue_prepare [2016/06/29 17:36]
samtuke
system:config:messagequeue_prepare [2016/06/29 17:38] (current)
samtuke
Line 1: Line 1:
  
 +---- dataentry configoptions ----
 +type             : constant
 +name             : MESSAGEQUEUE_PREPARE
 +purpose          : Run the queue in a two-process way
 +allowed          : true false 0 1
 +default          : 0
 +status_s         : 
 +category         : queue processing
 +----
 +
 +This option will initially mark all subscribers that need to receive the campaign as "todo" in the table and then start processing on all the "todo" entries.
 +
 +It may save a little on SQL time when you have a large amount of subscribers, as the query to search for subscribers is run fewer times.
 +
 +Comparison:
 +
 +When MESSAGEQUEUE_PREPARE is 0, each batch of messages is processed as
 +follows:
 +
 +  - Find all subscribers who need to receive the campaign and haven't received it yet
 +  - Dispatch the campaign to some subscribers (batch size settings determine how many)
 +
 +When MESSAGEQUEUE_PREPARE is 1, the first batch of messages is processed
 +as follows:
 +
 +  - Find all subscribers who need to receive the campaign (as in step 1 above)
 +  - Mark the found subscribers as "todo" in the database
 +  - Send some of the marked subscribers the campaign
 +
 +Then for all subsequent batches:
 +
 +  - Find subscribers marked "todo"
 +  - Send some of them the campaign (batch size settings determine how many)
 +
 +See also [[MAX_SENDPROCESSES]]
system/config/messagequeue_prepare.txt · Last modified: 2016/06/29 17:38 by samtuke

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