2024-01-XX - Intermittent TCS connection issues
Date | Jan 2025 |
Authors | @Cai Willis |
Status |
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Summary | Intermittent Connection Errors in TCS for single tasks |
Impact | Occasionally unable to load pages on Admins UI |
Non-technical Description
All of our services run 3 simultaneous copies of themselves. One of these copies of out “TIS-Core-Service” was experiencing intermittent connection issues to other services such as the database. This meant that occasionally users might be unable to load data if they were being sent to the failing “copy”.
Trigger
Detection
Sentry alerts indicating connection issues
5 Whys (or other analysis of Root Cause)
Resolution
Timeline
All times GMT unless otherwise indicated.
Action Items
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See also:
Lessons Learned
Slack: https://hee-nhs-tis.slack.com/
Jira issues: https://hee-tis.atlassian.net/issues/?filter=14213