25 lines
1020 B
SQL
25 lines
1020 B
SQL
-- Devices being monitored for latency
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CREATE TABLE monitoring_devices (
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id INT UNSIGNED NOT NULL AUTO_INCREMENT,
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host VARCHAR(255) NOT NULL,
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label VARCHAR(255) NOT NULL,
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is_active TINYINT(1) NOT NULL DEFAULT 1,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (id),
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UNIQUE KEY uq_monitoring_devices_host (host)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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-- Individual latency samples captured by the watcher
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CREATE TABLE monitoring_latency_log (
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id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,
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device_id INT UNSIGNED NOT NULL,
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latency_ms INT UNSIGNED NULL,
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status ENUM('up','down','unknown') NOT NULL,
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checked_at DATETIME NOT NULL,
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PRIMARY KEY (id),
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KEY idx_monitoring_latency_device_checked (device_id, checked_at),
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CONSTRAINT fk_monitoring_latency_device
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FOREIGN KEY (device_id) REFERENCES monitoring_devices(id)
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ON DELETE CASCADE
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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