Why don't you just configure it like so: -name:mail-queue rate:8/m bucket_size:8
Now.. this is presuming that when you add a task to this mail-queue.. the task is configured to send 1 e-mail to 1 recipient. Though, you could create a recursive task queue that would work something like this: Let, N = number of recipients M = batch number When ready to start emailing.. fire off task: MailTask(1) Where, MailTask(M) = 1. Send emails to recipients M, M+1, M+2, ..., M+7 2. If M+8 > N, Goto Step 4. Else Goto Step 3. 3. Schedule MailTask(M+8) to run in 61 Seconds 4. Success Or you could have it email one recipient at a time and reschedule itself to run M+1 in 8 seconds. That way.. if there is an error during the Task and it automatically restarts.. you won't get a duplicated email sent out to more than one person. Though, you'd also need to give each task a unique name like str(M)+"_NewsletterVersion" to ensure that you didn't double up any tasks on the off chance that there was a timeout during the Task Add stage (I've had this happen.. Task Add timed out.. but the Task had been added.. so the previous task started over.. and added the "next" task again. Thus, the recursive task had forked into two task streams.) On Thu, Jan 14, 2010 at 9:49 AM, Emanuel Berglund < [email protected]> wrote: > I posted a while back about getting an "OverQuotaError" when sending > out 74 emails in quick succession. > It turned out I was breaking the 8 emails per second cap, to solve > this I was told to use a task queue. > > I've now set up a task queue and have created a specific mail queue in > my queue.yml for sending emails out. > I use the following configuration with the aim to send out 8 emails > per minute, and I'm trying to not use the bucket by setting it to 0. > > - name: mail-queue > rate: 8/m > bucket_size: 0 > > > But, when I run a test and send out emails to 28 people, it seems it's > still sending out emails at a very high rate. It sends them out at > about 10 emails per second based on the information on the ETA of the > tasks in the queue in the live App Engine panel. > > This isn't paced out to 8 emails per minute and I'm afraid I might go > over my qota and get the OverQuotaError again. Since I am sending out > a newsletter I really can't afford to have to restart it again and > risk sending the same letter twice to a number of people. > > My account doesn't have billing activated but has had the free quota > bumped up. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > > >--
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