Date

Authors

Cai Willis Yafang Deng Jayanta Saha Steven Howard

Status

Documenting

Summary

the system is really slow and when I try to select records they don't open sometimes and the error below has been appearing for a few days

Impact

Users were unable to retrieve information from Recommendation and Connection detail list as the system was reported slow.

Non-technical Description

Revalidation  system is really slow when users tries to  select records they don't open sometimes an error message occurs" oops something went wrong" which has been appearing for a few days. A user in a different region states it is clearly a speed / data retrieval issue. Three users from three different had raised this issue via the UR Teams Channel.(North West, South East and South West).


Trigger

Core service was failing but unclear of the cause.


Detection


Resolution

We restarted the core service and all appeared well soon after.


Timeline

5 Whys (or other analysis of Root Cause)

Q. Why were users unable to load doctor details reliably?
A. The application was intermittently slow/timing out when clicking on individual doctors on the list page

Q. Why was the application slow/timing out?
A. There was a (~2 min) delay between the request for the doctor details and the request to retrieve doctor notes, (resulting in timeout errors reported in X-ray(?))

Why was there a a (~2 min) delay between the request for the doctor details and the request to retrieve doctor notes?


Action Items

Action Items

Owner

Comments

To investigate why core service action was failing

Cai Willis

Monitoring alarm to be set up

Cai Willis


Lessons Learned