Think Lumo incident

Database performance issues

Minor

Resolved after 4 hours 13 minutes, on February 17, 2024.

monitoring Feb 17, 2024, 03:20 PM UTC

Confirming that we are back to BAU. We will be sending our customers a Root Cause Analysis in the coming days as soon as we have confirmation from AWS. If you have any questions about this incident, please reach out to [email protected].

Started
Feb 17, 2024, 11:04 AM UTC
Resolved
Feb 17, 2024, 03:17 PM UTC
Duration
4h 13m
Detected by Pingoru
Feb 17, 2024, 11:04 AM UTC

Update timeline

  1. monitoring Feb 17, 2024, 11:05 AM UTC

    The upgrade to the database went smoothly but we are observing poor performance from the database which is leading to a slowdown in alerts. We are investigating and have raised the issue with AWS.

  2. monitoring Feb 17, 2024, 12:47 PM UTC

    AWS has provided some potential solutions to the issue which involve restarting the database, which may result in downtime of around 10 minutes.

  3. monitoring Feb 17, 2024, 01:11 PM UTC

    We are seeing some improvement in db performance but still not back to normal. We are still working with AWS to identify the root cause.

  4. monitoring Feb 17, 2024, 02:17 PM UTC

    We are adding a few more replica databases that will likely ease the load temporarily so we can return to service faster.

  5. monitoring Feb 17, 2024, 02:51 PM UTC

    Adding new databases seems to have helped significantly. We should see alerts start to flow soon.

  6. monitoring Feb 17, 2024, 03:06 PM UTC

    We can confirm alerts are flowing again. We will continue to monitor the metrics and confirm once we are back to BAU.

  7. monitoring Feb 17, 2024, 03:20 PM UTC

    Confirming that we are back to BAU. We will be sending our customers a Root Cause Analysis in the coming days as soon as we have confirmation from AWS. If you have any questions about this incident, please reach out to [email protected].

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