Add thumb repsonse time runbooks

documentation/meta/monitoring/runbooks/api_thumbnails_avg_response_time_above_threshold.md

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+# Run Book: API Thumbnails Production Average Response Time above threshold
+
+```{admonition} Metadata
+Status: **Unstable**
+Maintainer: @stacimc
+Alarm link:
+- <https://us-east-1.console.aws.amazon.com/cloudwatch/home?region=us-east-1#alarmsV2:alarm/API+Thumbnails+Production+Average+Response+Time+above+threshold>
+```
+
+## Severity Guide
+
+Confirm that there is not a total outage of the service. If not, the severity is
+likely low. Check for a recent deployment that may have introduced the problem,
+and rollback to the previous version. If not, check the request count and
+general network activity. If abnormally high, refer to the [traffic analysis run
+book][traffic_runbook] to identify and block any malicious traffic.
+
+[traffic_runbook]:
+  /meta/monitoring/traffic/runbooks/identifying-and-blocking-traffic-anomalies.md
+
+## Historical false positives
+
+Nothing registered to date.
+
+## Related incident reports
+
+- 2023-09-05 at 22:15 UTC: Unhealthy thumbnail tasks restarted
+- 2023-07-27 at 19:14 UTC: API Thumbnails unhealthy hosts

documentation/meta/monitoring/runbooks/api_thumbnails_avg_response_time_anomaly.md

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+# Run Book: API Thumbnails Production Average Response Time anomalously high
+
+```{admonition} Metadata
+Status: **Unstable**
+Maintainer: @stacimc
+Alarm link:
+- <https://us-east-1.console.aws.amazon.com/cloudwatch/home?region=us-east-1#alarmsV2:alarm/API+Thumbnails+Production+Average+Response+Time+anomalously+high>
+```
+
+## Severity Guide
+
+Confirm that there is not a total outage of the service. If not, the severity is
+likely low. Check for a recent deployment that may have introduced the problem,
+and rollback to the previous version. If not, check the request count and
+general network activity. If abnormally high, refer to the [traffic analysis run
+book][traffic_runbook] to identify and block any malicious traffic.
+
+[traffic_runbook]:
+  /meta/monitoring/traffic/runbooks/identifying-and-blocking-traffic-anomalies.md
+
+## Historical false positives
+
+Nothing registered to date.
+
+## Related incident reports
+
+- 2023-09-05 at 22:15 UTC: Unhealthy thumbnail tasks restarted
+- 2023-07-27 at 19:14 UTC: API Thumbnails unhealthy hosts

documentation/meta/monitoring/runbooks/api_thumbnails_p99_response_time_above_threshold.md

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+# Run Book: API Thumbnails Production P99 Response Time above threshold
+
+```{admonition} Metadata
+Status: **Unstable**
+Maintainer: @stacimc
+Alarm link:
+- <https://us-east-1.console.aws.amazon.com/cloudwatch/home?region=us-east-1#alarmsV2:alarm/API+Thumbnails+Production+P99+Response+Time+above+threshold>
+```
+
+## Severity Guide
+
+Confirm that there is not a total outage of the service. If not, the severity is
+likely low. Check for a recent deployment that may have introduced the problem,
+and rollback to the previous version. If not, check the request count and
+general network activity. If abnormally high, refer to the [traffic analysis run
+book][traffic_runbook] to identify and block any malicious traffic.
+
+[traffic_runbook]:
+  /meta/monitoring/traffic/runbooks/identifying-and-blocking-traffic-anomalies.md
+
+## Historical false positives
+
+Nothing registered to date.
+
+## Related incident reports
+
+- 2023-09-05 at 22:15 UTC: Unhealthy thumbnail tasks restarted
+- 2023-07-27 at 19:14 UTC: API Thumbnails unhealthy hosts

documentation/meta/monitoring/runbooks/api_thumbnails_p99_response_time_anomaly.md

@@ -0,0 +1,28 @@
+# Run Book: API Thumbnails Production P99 Response Time anomalously high
+
+```{admonition} Metadata
+Status: **Unstable**
+Maintainer: @stacimc
+Alarm link:
+- <https://us-east-1.console.aws.amazon.com/cloudwatch/home?region=us-east-1#alarmsV2:alarm/API+Thumbnails+Production+P99+Response+Time+anomalously+high>
+```
+
+## Severity Guide
+
+Confirm that there is not a total outage of the service. If not, the severity is
+likely low. Check for a recent deployment that may have introduced the problem,
+and rollback to the previous version. If not, check the request count and
+general network activity. If abnormally high, refer to the [traffic analysis run
+book][traffic_runbook] to identify and block any malicious traffic.
+
+[traffic_runbook]:
+  /meta/monitoring/traffic/runbooks/identifying-and-blocking-traffic-anomalies.md
+
+## Historical false positives
+
+Nothing registered to date.
+
+## Related incident reports
+
+- 2023-09-05 at 22:15 UTC: Unhealthy thumbnail tasks restarted
+- 2023-07-27 at 19:14 UTC: API Thumbnails unhealthy hosts