Put this logic in a backend. Start a thread that sleeps for 3 minutes, processes cron, and goes back to sleep for 3 minutes. You'll want to be a little more clever than that because you want to be on 3-minute boundaries not 3-minute intervals but it should be straightforward.
Appengine's cron is "best effort" and your game requires precise timing. It's better to manage the schedule yourself. Jeff On Tue, Jul 10, 2012 at 7:51 PM, Richard <[email protected]> wrote: > I have a game that relies on a synchronous cron job. For the last few days, > the game timer has been out of whack. I pulled the logs and finally figured > out that my 3 min synchronous cron job fires like this (see below). > > In the mean time, is there ANY way I can get my game working and always > firing a URL (to create leaderboards/etc) at 3 minute intervals ? > > 10/Jul/2012:09:39:20 > 10/Jul/2012:09:42:11 > 10/Jul/2012:09:45:06 > 10/Jul/2012:09:48:05 > 10/Jul/2012:09:51:07 > 10/Jul/2012:09:54:11 > 10/Jul/2012:09:57:08 > 10/Jul/2012:10:00:06 > 10/Jul/2012:10:03:04 > 10/Jul/2012:10:06:03 > 10/Jul/2012:10:09:06 > 10/Jul/2012:10:12:03 > 10/Jul/2012:10:15:06 > 10/Jul/2012:10:18:14 > 10/Jul/2012:10:21:12 > 10/Jul/2012:10:24:06 > 10/Jul/2012:10:27:04 > 10/Jul/2012:10:30:03 > 10/Jul/2012:10:33:18 > 10/Jul/2012:10:36:03 > 10/Jul/2012:10:39:07 > 10/Jul/2012:10:42:11 > 10/Jul/2012:10:45:14 > 10/Jul/2012:10:48:03 > 10/Jul/2012:10:51:08 > 10/Jul/2012:10:54:03 > 10/Jul/2012:10:57:04 > 10/Jul/2012:11:00:08 > 10/Jul/2012:11:03:06 > 10/Jul/2012:11:06:15 > 10/Jul/2012:11:09:06 > 10/Jul/2012:11:12:08 > 10/Jul/2012:11:15:16 > 10/Jul/2012:11:18:15 > 10/Jul/2012:11:21:15 > 10/Jul/2012:11:24:09 > 10/Jul/2012:11:27:11 > 10/Jul/2012:11:30:15 > 10/Jul/2012:11:33:08 > 10/Jul/2012:11:36:09 > 10/Jul/2012:11:39:12 > 10/Jul/2012:11:42:08 > 10/Jul/2012:11:45:06 > 10/Jul/2012:11:48:07 > 10/Jul/2012:11:51:03 > 10/Jul/2012:11:54:05 > 10/Jul/2012:11:57:03 > 10/Jul/2012:12:00:10 > 10/Jul/2012:12:03:08 > 10/Jul/2012:12:06:04 > 10/Jul/2012:12:09:07 > 10/Jul/2012:12:12:03 > 10/Jul/2012:12:15:04 > 10/Jul/2012:12:18:03 > 10/Jul/2012:12:21:05 > 10/Jul/2012:12:24:13 > 10/Jul/2012:12:27:09 > 10/Jul/2012:12:30:04 > 10/Jul/2012:12:33:21 > 10/Jul/2012:12:36:10 > 10/Jul/2012:12:39:12 > 10/Jul/2012:12:42:07 > 10/Jul/2012:12:45:15 > 10/Jul/2012:12:48:12 > 10/Jul/2012:12:51:09 > 10/Jul/2012:12:54:14 > 10/Jul/2012:12:57:06 > 10/Jul/2012:13:00:09 > 10/Jul/2012:13:03:10 > 10/Jul/2012:13:06:19 > 10/Jul/2012:13:09:08 > 10/Jul/2012:13:12:17 > 10/Jul/2012:13:15:06 > 10/Jul/2012:13:18:06 > 10/Jul/2012:13:21:03 > 10/Jul/2012:13:24:07 > 10/Jul/2012:13:27:03 > 10/Jul/2012:13:30:04 > 10/Jul/2012:13:33:04 > 10/Jul/2012:13:36:14 > 10/Jul/2012:13:39:07 > 10/Jul/2012:13:42:09 > 10/Jul/2012:13:45:13 > 10/Jul/2012:13:48:06 > 10/Jul/2012:13:51:04 > 10/Jul/2012:13:54:08 > 10/Jul/2012:13:57:10 > 10/Jul/2012:14:00:21 > 10/Jul/2012:14:03:13 > 10/Jul/2012:14:06:02 > 10/Jul/2012:14:13:01 > 10/Jul/2012:14:15:12 > 10/Jul/2012:14:18:11 > 10/Jul/2012:14:21:17 > 10/Jul/2012:14:24:05 > 10/Jul/2012:14:27:12 > 10/Jul/2012:14:30:08 > 10/Jul/2012:14:33:04 > 10/Jul/2012:14:36:13 > 10/Jul/2012:14:39:10 > 10/Jul/2012:14:42:14 > 10/Jul/2012:14:45:11 > 10/Jul/2012:14:48:13 > 10/Jul/2012:14:51:08 > 10/Jul/2012:14:54:11 > 10/Jul/2012:14:57:04 > 10/Jul/2012:15:00:06 > 10/Jul/2012:15:03:09 > 10/Jul/2012:15:06:08 > 10/Jul/2012:15:09:07 > 10/Jul/2012:15:12:07 > 10/Jul/2012:15:15:23 > 10/Jul/2012:15:18:21 > 10/Jul/2012:15:21:08 > 10/Jul/2012:15:24:06 > 10/Jul/2012:15:27:11 > 10/Jul/2012:15:30:04 > 10/Jul/2012:15:33:07 > 10/Jul/2012:15:34:31 > 10/Jul/2012:15:36:12 > 10/Jul/2012:15:39:14 > 10/Jul/2012:15:42:10 > 10/Jul/2012:15:45:11 > 10/Jul/2012:15:46:25 > 10/Jul/2012:15:48:11 > 10/Jul/2012:15:51:10 > 10/Jul/2012:15:54:16 > 10/Jul/2012:15:57:05 > 10/Jul/2012:16:00:07 > 10/Jul/2012:16:03:08 > 10/Jul/2012:16:06:18 > 10/Jul/2012:16:09:18 > 10/Jul/2012:16:12:13 > 10/Jul/2012:16:15:15 > 10/Jul/2012:16:18:06 > 10/Jul/2012:16:21:04 > 10/Jul/2012:16:24:05 > 10/Jul/2012:16:27:10 > 10/Jul/2012:16:30:19 > 10/Jul/2012:16:33:11 > 10/Jul/2012:16:36:19 > 10/Jul/2012:16:39:12 > 10/Jul/2012:16:42:13 > 10/Jul/2012:16:45:14 > 10/Jul/2012:16:48:19 > 10/Jul/2012:16:51:05 > 10/Jul/2012:16:54:09 > 10/Jul/2012:16:57:21 > 10/Jul/2012:17:00:18 > 10/Jul/2012:17:03:04 > 10/Jul/2012:17:06:05 > 10/Jul/2012:17:09:10 > 10/Jul/2012:17:12:12 > 10/Jul/2012:17:15:13 > 10/Jul/2012:17:18:11 > 10/Jul/2012:17:21:14 > 10/Jul/2012:17:24:04 > 10/Jul/2012:17:27:19 > 10/Jul/2012:17:30:16 > 10/Jul/2012:17:33:04 > 10/Jul/2012:17:36:09 > 10/Jul/2012:17:39:08 > 10/Jul/2012:17:42:10 > 10/Jul/2012:17:45:11 > 10/Jul/2012:17:48:24 > 10/Jul/2012:17:51:04 > 10/Jul/2012:17:54:10 > 10/Jul/2012:17:57:19 > 10/Jul/2012:18:00:11 > 10/Jul/2012:18:03:10 > 10/Jul/2012:18:06:10 > 10/Jul/2012:18:09:20 > 10/Jul/2012:18:12:05 > 10/Jul/2012:18:15:26 > 10/Jul/2012:18:18:16 > 10/Jul/2012:18:21:21 > 10/Jul/2012:18:24:11 > 10/Jul/2012:18:27:18 > 10/Jul/2012:18:30:29 > 10/Jul/2012:18:33:13 > 10/Jul/2012:18:36:24 > 10/Jul/2012:18:39:13 > 10/Jul/2012:18:42:18 > 10/Jul/2012:18:45:20 > 10/Jul/2012:18:48:13 > 10/Jul/2012:18:51:24 > 10/Jul/2012:18:54:14 > 10/Jul/2012:18:57:19 > 10/Jul/2012:19:00:12 > 10/Jul/2012:19:03:10 > 10/Jul/2012:19:06:14 > 10/Jul/2012:19:09:13 > 10/Jul/2012:19:12:33 > 10/Jul/2012:19:15:07 > 10/Jul/2012:19:18:14 > > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To view this discussion on the web visit > 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