Outage in Stellar.org

History lag and degraded performance on certain Horizon endpoints

Resolved Minor
March 11, 2024 - Started 2 months ago - Lasted 7 days
Official incident page

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Outage Details

We've identified a high CPU utilization on SDF Horizon nodes due to increased request load that saturated DB connections.
Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 03/18/2024 11:01PM

Service has remained stable over the past week and thus the incident is resolved. Note that rate limits may dynamically adjust to preserve service health in times of high network activity or volatility.

MONITORING 2 months ago - at 03/12/2024 06:53PM

Fix appears to have resolved performance issues, but reduced rate limits are still in effect as we continue to monitor.

MONITORING 2 months ago - at 03/12/2024 12:29AM

A fix has been deployed. We are monitoring to ensure it is stable.

MONITORING 2 months ago - at 03/12/2024 12:24AM

Additional reduction of rate limits.

MONITORING 2 months ago - at 03/12/2024 12:22AM

Performance degradation observed again.

MONITORING 2 months ago - at 03/12/2024 12:20AM

We flipped the standby and active endpoint. This temporarily fixed the problem.

MONITORING 2 months ago - at 03/11/2024 11:45PM

Reports of degraded performance in Discord.

INVESTIGATING 2 months ago - at 03/11/2024 11:37PM

We reduced global rate limits by half for Horizon.

INVESTIGATING 2 months ago - at 03/11/2024 11:34PM

We've identified a high CPU utilization on SDF Horizon nodes due to increased request load that saturated DB connections.

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