Final Update: Friday, 06 September 2019 19:59 UTC
We've confirmed that all systems are back to normal with no customer impact as of 09/06, 18:27 UTC. Our logs show the incident started on 09/06 16:47 UTC and that during the 1 hour and 40 minutes that it took to resolve the issue approximately 29% of customers might have experienced issue in Log Search Alerts as well as querying data in East US region.
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Root Cause: The failure was due to load on our storage system which is responsible for data ingestion and query system.
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Incident Timeline: 1 Hour & 40 minutes - 09/06, 16:47 UTC through 09/06, 18:27 UTC
We understand that customers rely on Log Search Alerts as a critical service and apologize for any impact this incident caused.
-Subhash
