Cron job on backends not run

[Will]

I have a daily cron job running on backends instance. It has been run without problem until the last couple of days. The log shows "/_ah/start" and "/_ah/stop" have been invoked but not my work url. Yesterday I temporary scheduled one more occurrence and it ran properly, but today the same thing happened again.

It is on HDR.

Any ideas?

Thanks,

Will

[Steve Meyfroidt]

I had the same. I think there's a timeout while the instance is
started.

I fixed it by scheduling a call to _ah/warmup a minute before the
first real work job. Now I see those warmups always fail, but the real
work gets done, presumably because the instance is up by the time
they're scheduled to run.

Steve

[weboo]

I have same problem.
The cron job on dynamic backend instance does not works.

So I set the job which responses only "OK" 1 minites before real job,
it works.

Hidetaka

[Will]

I implemented the same workaround. For the past two days, it worked. It looks more elegant than I schedule another same job just for fail-over.

Thanks,

Will

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