...
04:03 - Since then, no more notifications had been received for the overnight ndw etl jobs.
12:07 - James redirected the email that push of TIS data into NDW failed
12:40 - Yafang found no logs found on
ndw-etl-prod
in the midnight13:02 - Andy D found the event bridge triggered the task and the service considered itself healthy, but no record for the task on prod
14:26 - Yafang & Jay triggered the task
ndw-etl-prod
manually14:56 - The task has been run and exited on etl-prod successfully
15:11 - James let Guy know and NDW started their jobs.
Apr 12, 2023 13:45 - Guy confirmed there were no subsequent issues.
...
Root Cause(s)
We expect the
ndw-etl-prod
job to be triggered by the AWS eventbridge rule every day at 2am UTC.From the metrics, the everntbridge rule was triggered on Apr 11, but there’re no logs found on Cloudwatch. And from the ECSStoppedTasksEvent, we can also find the
ndw-etl-prod
task was not started.The CloudTrail event history shows the reason of failure:
"Capacity is unavailable at this time. Please try again later or in a different availability zone"
...