For Sidekiq to be able to retry your jobs it has to be able to catch errors that occur while a job is executed.
Per default, Sidekiq will not raise / notify you if the retry count is exhausted. It will only copy the job to the dead queue (see wiki Show archive.org snapshot ).
If you want to get notified, you have to implement it in your worker explicitly with a sidekiq_retries_exhausted-block, e.g. like this:
class DownloadWorker
include Sidekiq::Worker
# Import jobs are retried a few times without sending exception notifications.
# Only after the configured retries are exhausted we send a notification. That
# way we are only notified about permanent issues.
sidekiq_retries_exhausted do |error_info, exception|
ExceptionNotifier.notify_exception exception, data: { sidekiq: error_info }
end
def perform(record_class, record_id)
# ...
end
end
Since v 5.1, there is also a way to configure this globally Show archive.org snapshot .
Be aware, that if you use the standard count for retries it will take a while until you are notified of your error (~21 days). You could also send a notification each third retry or use less retries.
Also, if you make thousands of calls to an API it may not be wise to send emails if the API is down. Instead you could implement sending an error notification if the data (in the db) is too old.
Testing:
- If you use
sidekiq_retries_exhausted(unit test): https://stackoverflow.com/questions/33930199/rspec-sidekiq-how-to-test-within-sidekiq-retries-exhausted-block-with-another Show archive.org snapshot - If you use the global option (manual test):
# Use this worker to test if the exception notifier for sidekiq works as expected and the retries total duration fits.
# Example: TestWorker.perform_async('foo', 'bar')
class TestWorker
include Sidekiq::Worker
def perform(*args)
raise 'This is a test error. All is well.'
end
end
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