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Что такое Prometheus и зачем он нужен в микросервисной архитектуре?

Ответ: Prometheus — это система мониторинга и сбора метрик, которая особенно хорошо подходит для распределённых систем. В микросервисной архитектуре она позволяет отслеживать состояние каждого сервиса, собирая числовые показатели (задержки, количество запросов, ошибки и т.п.) через HTTP endpoint’ы. Prometheus регулярно опрашивает сервисы (pull-модель), хранит метрики в своей базе и позволяет строить алерты и дашборды. Это помогает выявлять проблемы на ранней стадии и понимать, как ведёт себя система под нагрузкой.

tags: #собеседование

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❔ Вопрос с собеседования

Что такое Prometheus и зачем он нужен в микросервисной архитектуре?

Ответ: Prometheus — это система мониторинга и сбора метрик, которая особенно хорошо подходит для распределённых систем. В микросервисной архитектуре она позволяет отслеживать состояние каждого сервиса, собирая числовые показатели (задержки, количество запросов, ошибки и т.п.) через HTTP endpoint’ы. Prometheus регулярно опрашивает сервисы (pull-модель), хранит метрики в своей базе и позволяет строить алерты и дашборды. Это помогает выявлять проблемы на ранней стадии и понимать, как ведёт себя система под нагрузкой.

tags: #собеседование

📱 Java Developer | Чат
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Telegram Auto-Delete Messages in Any Chat

Some messages aren’t supposed to last forever. There are some Telegram groups and conversations where it’s best if messages are automatically deleted in a day or a week. Here’s how to auto-delete messages in any Telegram chat. You can enable the auto-delete feature on a per-chat basis. It works for both one-on-one conversations and group chats. Previously, you needed to use the Secret Chat feature to automatically delete messages after a set time. At the time of writing, you can choose to automatically delete messages after a day or a week. Telegram starts the timer once they are sent, not after they are read. This won’t affect the messages that were sent before enabling the feature.

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