Библиотека девопса | DevOps, SRE, Sysadmin | United States America (US)

Create: 2025-06-16 Update: 2025-06-30 00:21:34

Каким образом мы можем улучшить стабильность работы приложения в k8s?

Прежде всего необходимо описать probe для контейнеров в PODе, а также указать ресурсы запросов / лимиты. Затем целесообразно описать антиаффинити для PODов наших приложений, чтобы упростить обработку сбоев на конкретных узлах.

Если в нашем кластере работают как продуктовые, так и тестовые среды, хорошей практикой будет указать node selector и taints/tolerations, чтобы запускать продуктовые приложения на отдельных узлах.

Если нет возможности выделить узлы под продакшн или мы можем выделить особо важные (ядреные) сервисы в рамках продакшн, рекомендуется установить priority classes для них. Также стоит описать бюджет нарушения работы POD для особо важных приложений. В случае использования многопользовательской модели (multitenant) в пространствах имен пользователей следует указывать resourceQuotas и limitRanges.

Библиотека девопса | DevOps, SRE, Sysadmin

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Каким образом мы можем улучшить стабильность работы приложения в k8s?

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