%3CLINGO-SUB%20id%3D%22lingo-sub-2092472%22%20slang%3D%22en-US%22%3EExperiencing%20Latency%20and%20Data%20Loss%20issue%20in%20Azure%20Portal%20for%20Many%20Data%20Types%20-%2001%2F25%20-%20Resolved%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-2092472%22%20slang%3D%22en-US%22%3E%3CDIV%20style%3D%22font-size%3A14px%3B%22%3E%3CDIV%20style%3D%22font-size%3A14px%3B%22%3E%3CU%3EFinal%20Update%3C%2FU%3E%3A%20Monday%2C%2025%20January%202021%2001%3A35%20UTC%3CBR%20%2F%3E%3CBR%20%2F%3EWe've%20confirmed%20that%20all%20systems%20are%20back%20to%20normal%20with%20no%20customer%20impact%20as%20of%201%2F25%2C%2001%3A22%20UTC.%20Our%20logs%20show%20the%20incident%20started%20on%201%2F25%2C%2000%3A14%20UTC%20and%20that%20during%20the%2068%20minutes%20that%20it%20took%20to%20resolve%20the%20issue%20customers%20in%20UK%20South%20with%26nbsp%3B%3CSPAN%20style%3D%22color%3A%20rgb(51%2C%2051%2C%2051)%3B%20font-family%3A%20SegoeUI%2C%20Lato%2C%20%26quot%3BHelvetica%20Neue%26quot%3B%2C%20Helvetica%2C%20Arial%2C%20sans-serif%3B%22%3Eworkspace-enabled%20Application%20Insights%20resources%20experienced%20intermittent%20data%20gaps%20and%20latent%20data%20as%20well%20as%20possible%20misfiring%20of%20alerts%20based%20on%20such%20data%20gaps%20or%20latencies.%3C%2FSPAN%3E%3CBR%20%2F%3E%3CUL%3E%3CLI%3E%3CU%3ERoot%20Cause%3C%2FU%3E%3A%20The%20failure%20was%20due%20to%20a%20backend%20resource%20that%20hit%20an%20operational%20threshold.%3C%2FLI%3E%3CLI%3E%3CU%3EIncident%20Timeline%3C%2FU%3E%3A%2068%20minutes%20-%201%2F25%2C%2000%3A14%20UTC%20through%201%2F25%2C%2001%3A22%20UTC%3C%2FLI%3E%3C%2FUL%3EWe%20understand%20that%20customers%20rely%20on%20Application%20Insights%20as%20a%20critical%20service%20and%20apologize%20for%20any%20impact%20this%20incident%20caused.%3CBR%20%2F%3E%3CBR%20%2F%3E-Jeff%3CBR%20%2F%3E%3C%2FDIV%3E%3CHR%20style%3D%22border-top-color%3Alightgray%22%20%2F%3E%3C%2FDIV%3E%3C%2FLINGO-BODY%3E%3CLINGO-LABS%20id%3D%22lingo-labs-2092472%22%20slang%3D%22en-US%22%3E%3CLINGO-LABEL%3EApplication%20Insights%3C%2FLINGO-LABEL%3E%3C%2FLINGO-LABS%3E
Final Update: Monday, 25 January 2021 01:35 UTC

We've confirmed that all systems are back to normal with no customer impact as of 1/25, 01:22 UTC. Our logs show the incident started on 1/25, 00:14 UTC and that during the 68 minutes that it took to resolve the issue customers in UK South with workspace-enabled Application Insights resources experienced intermittent data gaps and latent data as well as possible misfiring of alerts based on such data gaps or latencies.
  • Root Cause: The failure was due to a backend resource that hit an operational threshold.
  • Incident Timeline: 68 minutes - 1/25, 00:14 UTC through 1/25, 01:22 UTC
We understand that customers rely on Application Insights as a critical service and apologize for any impact this incident caused.

-Jeff