{"id":158,"date":"2026-03-09T04:14:00","date_gmt":"2026-03-09T04:14:00","guid":{"rendered":"https:\/\/blog.rebalai.com\/ja\/2026\/03\/09\/event-driven-architecture-in-2026\/"},"modified":"2026-03-09T04:59:26","modified_gmt":"2026-03-09T04:59:26","slug":"event-driven-architecture-in-2026","status":"publish","type":"post","link":"https:\/\/blog.rebalai.com\/ja\/2026\/03\/09\/event-driven-architecture-in-2026\/","title":{"rendered":"2026\u5e74\u306e\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3: \u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u304c\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306b\u79fb\u884c\u3059\u308b\u7406\u7531"},"content":{"rendered":"

\u306a\u305c\u4eca\u3055\u3089\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u306e\u8a71\u3092\u3059\u308b\u306e\u304b<\/h2>\n

\u6b63\u76f4\u306b\u8a00\u3046\u30023\u5e74\u524d\u3001\u50d5\u306f\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3064\u3044\u3066\u306e\u30d6\u30ed\u30b0\u8a18\u4e8b\u3092\u8aad\u3080\u305f\u3073\u306b\u300c\u7406\u8ad6\u306f\u308f\u304b\u308b\u3051\u3069\u3001\u3046\u3061\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u306f\u5927\u3052\u3055\u3059\u304e\u308b\u300d\u3068\u601d\u3063\u3066\u3044\u305f\u3002<\/p>\n

\u305d\u308c\u304c\u9593\u9055\u3044\u3060\u3063\u305f\u3068\u6c17\u3065\u3044\u305f\u306e\u306f\u3001\u6628\u5e74\u306e\u590f\u3001\u672c\u756a\u74b0\u5883<\/a>\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9<\/a>\u304c\u9023\u9396\u7684\u306b\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3057\u59cb\u3081\u305f\u3068\u304d\u3060\u3002\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\u304c\u5728\u5eab\u30b5\u30fc\u30d3\u30b9\u3092\u547c\u3073\u51fa\u3057\u3001\u5728\u5eab\u30b5\u30fc\u30d3\u30b9\u304c\u901a\u77e5\u30b5\u30fc\u30d3\u30b9\u3092\u547c\u3073\u51fa\u3057\u3001\u901a\u77e5\u30b5\u30fc\u30d3\u30b9\u304c\u30e6\u30fc\u30b6\u30fc\u30b5\u30fc\u30d3\u30b9\u3092\u547c\u3073\u51fa\u3059\u3002\u305d\u306e\u9023\u9396\u306e\u3069\u3053\u304b\u4e00\u70b9\u304c\u8a70\u307e\u308b\u3068\u3001\u5168\u4f53\u304c\u6b62\u307e\u308b\u3002REST API\u3067\u540c\u671f\u7684\u306b\u7e4b\u3044\u3060\u30b7\u30b9\u30c6\u30e0\u306e\u8106\u3055\u3092\u3001\u305d\u306e\u65e5\u521d\u3081\u3066\u4f53\u3067\u7406\u89e3\u3057\u305f\u3002<\/p>\n

2026\u5e74\u73fe\u5728\u3001\u50d5\u304c\u95a2\u308f\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5927\u534a\u306f\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3092\u4e2d\u5fc3\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002Kafka\u3084Redpanda\u3092\u4f7f\u3046\u3082\u306e\u3082\u3042\u308c\u3070\u3001\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9\u306b\u4e57\u3063\u304b\u308b\u3082\u306e\u3082\u3042\u308b\u3002\u79fb\u884c\u306e\u904e\u7a0b\u3067\u304b\u306a\u308a\u306e\u5931\u6557\u3082\u3057\u305f\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u305d\u306e\u5931\u6557\u3082\u542b\u3081\u3066\u3001\u306a\u305c\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9<\/a>\u304c\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306b\u5411\u304b\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u66f8\u3044\u3066\u3044\u304f\u3002<\/p>\n

\n

\u540c\u671fREST API\u306e\u9650\u754c\u306f\u300c\u9045\u3055\u300d\u3058\u3083\u306a\u3044<\/h2>\n

\u3088\u304f\u8aa4\u89e3\u3055\u308c\u3066\u3044\u308b\u306e\u3060\u304c\u3001REST API\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u306b\u79fb\u884c\u3059\u308b\u7406\u7531\u306f\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u60aa\u3044\u304b\u3089\u300d\u3067\u306f\u306a\u3044\u3002\u5c11\u306a\u304f\u3068\u3082\u3001\u305d\u308c\u3060\u3051\u3058\u3083\u306a\u3044\u3002<\/p>\n

\u672c\u5f53\u306e\u554f\u984c\u306f\u6642\u9593\u7684\u7d50\u5408\uff08temporal coupling\uff09<\/strong>\u3060\u3002\u30b5\u30fc\u30d3\u30b9A\u304c\u30b5\u30fc\u30d3\u30b9B\u3092\u547c\u3073\u51fa\u3059\u3068\u304d\u3001A\u306fB\u304c\u4eca\u3053\u306e\u77ac\u9593\u306b\u751f\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u308b\u3002B\u304c\u30c7\u30d7\u30ed\u30a4<\/a>\u4e2d\u3067\u3082\u3001\u30b9\u30b1\u30fc\u30eb\u30a2\u30a6\u30c8\u4e2d\u3067\u3082\u3001\u4e00\u6642\u7684\u306b\u30b9\u30ed\u30fc\u30c0\u30a6\u30f3\u3057\u3066\u3044\u3066\u3082\u3001A\u306f\u5f85\u3064\u304b\u5931\u6557\u3059\u308b\u304b\u3057\u304b\u306a\u3044\u3002<\/p>\n

\u3053\u308c\u3092\u89e3\u6d88\u3057\u3088\u3046\u3068\u3057\u3066\u3001\u307f\u3093\u306a\u30ea\u30c8\u30e9\u30a4\u3068\u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u3002\u50d5\u3082\u305d\u3046\u3057\u305f\u3002\u3067\u3082\u6c17\u3065\u3044\u305f\u306e\u306f\u3001\u30ea\u30c8\u30e9\u30a4\u3092\u5897\u3084\u3059\u307b\u3069\u30b7\u30b9\u30c6\u30e0\u306e\u6319\u52d5\u304c\u4e88\u6e2c\u3057\u306b\u304f\u304f\u306a\u308b\u3068\u3044\u3046\u3053\u3068\u3060\u3002\u30b5\u30fc\u30d3\u30b9\u304c\u300c\u305f\u3076\u3093\u6210\u529f\u3057\u305f\u300d\u300c\u305f\u3076\u3093\u5931\u6557\u3057\u305f\u300d\u3068\u3044\u3046\u4e2d\u9593\u72b6\u614b\u306b\u5165\u308a\u8fbc\u3080\u3002\u51aa\u7b49\u6027\u306e\u5b9f\u88c5\u3092\u5fd8\u308c\u308b\u3068\u3001\u6ce8\u6587\u304c\u4e8c\u91cd\u767b\u9332\u3055\u308c\u308b\u3002<\/p>\n

\u3082\u3046\u4e00\u3064\u306e\u554f\u984c\u304c\u30d5\u30a1\u30f3\u30a2\u30a6\u30c8<\/strong>\u3060\u3002\u4f8b\u3048\u3070\u300c\u30e6\u30fc\u30b6\u30fc\u304c\u8cfc\u5165\u5b8c\u4e86\u300d\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u3001\u305d\u308c\u306b\u53cd\u5fdc\u3059\u3079\u304d\u30b5\u30fc\u30d3\u30b9\u304c10\u500b\u3042\u308b\u3068\u3059\u308b\u3002\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\u306e\u5b9f\u88c5\u8005\u304c10\u500b\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u5168\u90e8\u77e5\u3063\u3066\u3044\u3066\u3001\u5168\u90e8\u547c\u3073\u51fa\u3059\u8cac\u4efb\u3092\u8ca0\u3046\u306e\u304b\uff1f\u3000\u305d\u3093\u306a\u306e\u306f\u660e\u3089\u304b\u306b\u304a\u304b\u3057\u3044\u3002<\/p>\n

\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306f\u3053\u306e\u554f\u984c\u3092\u304d\u308c\u3044\u306b\u9006\u8ee2\u3055\u305b\u308b\u3002\u300c\u8cfc\u5165\u5b8c\u4e86\u300d\u3068\u3044\u3046\u30a4\u30d9\u30f3\u30c8\u3092\u30c8\u30d4\u30c3\u30af\u306b\u30d1\u30d6\u30ea\u30c3\u30b7\u30e5\u3057\u3001\u53cd\u5fdc\u3057\u305f\u3044\u30b5\u30fc\u30d3\u30b9\u304c\u5404\u81ea\u3067\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\u3059\u308b\u3002\u6ce8\u6587\u30b5\u30fc\u30d3\u30b9\u306f\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u5b58\u5728\u3092\u77e5\u3089\u306a\u304f\u3066\u3044\u3044\u3002\u65b0\u3057\u3044\u30b5\u30fc\u30d3\u30b9\u3092\u8ffd\u52a0\u3057\u3066\u3082\u3001\u65e2\u5b58\u306e\u30b3\u30fc\u30c9\u306f\u5909\u308f\u3089\u306a\u3044\u3002<\/p>\n

\n

Kafka\u306b\u79fb\u884c\u3057\u3066\u6700\u521d\u306b\u3084\u3063\u305f3\u3064\u306e\u5931\u6557<\/h2>\n

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\u5931\u65571: \u30b9\u30ad\u30fc\u30de\u3092\u8efd\u304f\u898b\u305f<\/strong><\/p>\n

\u6700\u521d\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092JSON\u306e\u751f\u6587\u5b57\u5217\u3067Kafka\u306b\u6d41\u3057\u3066\u3044\u305f\u3002\u300c\u5f8c\u3067\u30b9\u30ad\u30fc\u30de\u6c7a\u3081\u3088\u3046\u300d\u3068\u3044\u3046\u5178\u578b\u7684\u306a\u5148\u9001\u308a\u3060\u30023\u30f6\u6708\u5f8c\u3001\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u304c6\u500b\u306b\u5897\u3048\u305f\u6bb5\u968e\u3067\u3001\u3042\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u540d\u524d\u3092\u5909\u3048\u3088\u3046\u3068\u3057\u305f\u3068\u304d\u306b\u5730\u7344\u3092\u898b\u305f\u3002\u3069\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u304c\u53e4\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u306b\u4f9d\u5b58\u3057\u3066\u3044\u308b\u304b\u3001\u8ab0\u3082\u628a\u63e1\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u3002<\/p>\n

\u4eca\u306fAvro\u304bProtobuf\u3092\u4f7f\u3044\u3001Schema Registry\u3092\u5fc5\u305a\u7acb\u3066\u308b\u3002\u6700\u521d\u306f\u9762\u5012\u306b\u611f\u3058\u308b\u304c\u3001\u3053\u308c\u3092\u3084\u3089\u306a\u3044\u3068\u5f8c\u3067\u7d76\u5bfe\u306b\u5f8c\u6094\u3059\u308b\u3002<\/p>\n

\u5931\u65572: \u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b0\u30eb\u30fc\u30d7\u306e\u8a2d\u8a08\u3092\u30df\u30b9\u3063\u305f<\/strong><\/p>\n

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\u5931\u65573: \u30c7\u30c3\u30c9\u30ec\u30bf\u30fc\u30ad\u30e5\u30fc\u3092\u5f8c\u56de\u3057\u306b\u3057\u305f<\/strong><\/p>\n

\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u304c\u51e6\u7406\u306b\u5931\u6557\u3057\u305f\u3068\u304d\u3001\u4f55\u304c\u8d77\u304d\u308b\u304b\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30ea\u30c8\u30e9\u30a4\u3057\u7d9a\u3051\u308b\u3002\u6bd2\u5165\u308a\u30e1\u30c3\u30bb\u30fc\u30b8\uff08poison pill\uff09\u304c\u4e00\u3064\u3042\u308b\u3068\u3001\u305d\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5168\u4f53\u304c\u8a70\u307e\u308b\u3002<\/p>\n

\u30c7\u30c3\u30c9\u30ec\u30bf\u30fc\u30ad\u30e5\u30fc\uff08DLQ\uff09\u304c\u5fc5\u8981\u306a\u306e\u306f\u308f\u304b\u3063\u3066\u3044\u305f\u304c\u300c\u3042\u3068\u3067\u5b9f\u88c5\u3057\u3088\u3046\u300d\u3068\u5f8c\u56de\u3057\u306b\u3057\u3066\u3001\u672c\u756a\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8a70\u307e\u3063\u3066\u304b\u3089\u614c\u3066\u3066\u5b9f\u88c5\u3057\u305f\u3002\u6700\u521d\u304b\u3089\u5165\u308c\u3066\u304a\u304f\u3079\u304d\u3060\u3063\u305f\u3002\u3053\u308c\u306f\u672c\u5f53\u306b\u3002<\/p>\n

\n

\u5b9f\u969b\u306e\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u8a2d\u8a08: \u6ce8\u6587\u51e6\u7406\u306e\u4f8b<\/h2>\n

\u30b3\u30fc\u30c9\u3092\u898b\u305f\u307b\u3046\u304c\u65e9\u3044\u3002\u6ce8\u6587\u304c\u5b8c\u4e86\u3057\u305f\u3068\u304d\u306b\u3001\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u4e26\u884c\u3057\u3066\u52d5\u304f\u8a2d\u8a08\u3060\u3002<\/p>\n

# order_service\/events.py\nfrom dataclasses import dataclass\nfrom datetime import datetime\nfrom uuid import UUID\n\n@dataclass\nclass OrderCompletedEvent:\n    event_id: UUID\n    order_id: UUID\n    user_id: UUID\n    total_amount: float\n    items: list[dict]\n    occurred_at: datetime\n    schema_version: str = "1.0"\n\n# \u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u5074\nclass OrderEventProducer:\n    def __init__(self, kafka_producer, topic: str):\n        self.producer = kafka_producer\n        self.topic = topic\n\n    def publish_order_completed(self, event: OrderCompletedEvent):\n        self.producer.produce(\n            topic=self.topic,\n            key=str(event.order_id),  # order_id\u3092\u30ad\u30fc\u306b\u3059\u308b\u3053\u3068\u3067\u540c\u4e00\u6ce8\u6587\u306e\u9806\u5e8f\u4fdd\u8a3c\n            value=event.to_avro(),\n            on_delivery=self._delivery_callback,\n        )\n        self.producer.flush()\n\n    def _delivery_callback(self, err, msg):\n        if err:\n            # \u3053\u3053\u3067\u30a2\u30e9\u30fc\u30c8\u3092\u98db\u3070\u3059\u3002\u30b5\u30a4\u30ec\u30f3\u30c8\u306b\u5931\u6557\u3055\u305b\u306a\u3044\n            logger.error(f"Message delivery failed: {err}")\n            raise EventPublishError(f"Failed to publish event: {err}")\n<\/code><\/pre>\n
# inventory_service\/consumer.py\nclass InventoryEventConsumer:\n    def __init__(self, kafka_consumer, dlq_producer):\n        self.consumer = kafka_consumer\n        self.dlq = dlq_producer\n        self.MAX_RETRIES = 3\n\n    def process_events(self):\n        while True:\n            msg = self.consumer.poll(timeout=1.0)\n            if msg is None:\n                continue\n\n            try:\n                event = OrderCompletedEvent.from_avro(msg.value())\n                self._handle_order_completed(event)\n                self.consumer.commit(msg)  # \u51e6\u7406\u6210\u529f\u5f8c\u306b\u30b3\u30df\u30c3\u30c8\n\n            except RetryableError as e:\n                # \u30ea\u30c8\u30e9\u30a4\u53ef\u80fd\u306a\u30a8\u30e9\u30fc\u306f\u30ea\u30c8\u30e9\u30a4\u30ab\u30a6\u30f3\u30c8\u3092\u898b\u3066\u5224\u65ad\n                retry_count = self._get_retry_count(msg)\n                if retry_count < self.MAX_RETRIES:\n                    self._requeue_with_backoff(msg, retry_count)\n                else:\n                    self.dlq.send(msg, reason=str(e))\n                    self.consumer.commit(msg)  # DLQ\u306b\u9001\u3063\u305f\u3089\u30b3\u30df\u30c3\u30c8\n\n            except NonRetryableError as e:\n                # \u5373\u5ea7\u306bDLQ\u3078\n                self.dlq.send(msg, reason=str(e))\n                self.consumer.commit(msg)\n<\/code><\/pre>\n
\u30dd\u30a4\u30f3\u30c8\u306f2\u70b9\u3002\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u5074\u3067\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30ad\u30fc\u3092order_id<\/code>\u306b\u3057\u3066\u3044\u308b\u3002Kafka\u306f\u540c\u3058\u30ad\u30fc\u3092\u6301\u3064\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u540c\u3058\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u9001\u308b\u306e\u3067\u3001\u540c\u4e00\u6ce8\u6587\u306b\u95a2\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u306e\u9806\u5e8f\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002<\/p>\n
\u6b21\u306b\u3001\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u5074\u3067\u30a8\u30e9\u30fc\u3092\u300c\u30ea\u30c8\u30e9\u30a4\u53ef\u80fd\u300d\u3068\u300c\u30ea\u30c8\u30e9\u30a4\u4e0d\u53ef\u80fd\u300d\u306b\u5206\u985e\u3057\u3066\u3044\u308b\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30e9\u30fc\u306f\u30ea\u30c8\u30e9\u30a4\u3067\u304d\u308b\u304c\u3001\u30b9\u30ad\u30fc\u30de\u30a8\u30e9\u30fc\u306f\u30ea\u30c8\u30e9\u30a4\u3057\u3066\u3082\u7121\u99c4\u3060\u3002\u3053\u306e\u5206\u985e\u3092\u6700\u521d\u304b\u3089\u8a2d\u8a08\u306b\u7d44\u307f\u8fbc\u3093\u3067\u304a\u304f\u3068\u3001\u5f8c\u306e\u904b\u7528\u304c\u305a\u3063\u3068\u697d\u306b\u306a\u308b\u2014\u2014\u5b9f\u969b\u306b\u3053\u308c\u3092\u3084\u3063\u3066\u304b\u3089\u3001\u591c\u4e2d\u306e\u30a2\u30e9\u30fc\u30c8\u304c\u660e\u3089\u304b\u306b\u6e1b\u3063\u305f\u3002<\/p>\n
\n
2026\u5e74\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0: \u7d50\u5c40\u4f55\u3092\u9078\u3079\u3070\u3044\u3044\u306e\u304b<\/h2>\n
3\u5e74\u524d\u3068\u6bd4\u3079\u3066\u3001\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u306e\u9078\u629e\u80a2\u306f\u5927\u5e45\u306b\u5897\u3048\u305f\u3002\u6b63\u76f4\u3001\u9078\u3076\u306e\u304c\u96e3\u3057\u304f\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n
Apache Kafka<\/strong> \u306f\u4f9d\u7136\u3068\u3057\u3066\u696d\u754c\u6a19\u6e96\u3060\u3002\u6210\u719f\u3057\u3066\u304a\u308a\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3082\u8c4a\u5bcc\u3067\u3001\u56f0\u3063\u305f\u3068\u304d\u306bStack Overflow\u3067\u7b54\u3048\u304c\u898b\u3064\u304b\u308b\u78ba\u7387\u304c\u9ad8\u3044\u3002\u305f\u3060\u3057\u3001\u904b\u7528\u30b3\u30b9\u30c8\u306f\u4f4e\u304f\u306a\u3044\u3002KRaft\u3078\u306e\u79fb\u884c\u304c\u5b8c\u4e86\u3057\u3066\u5b89\u5b9a\u3057\u305f\u3068\u306f\u3044\u3048\u3001\u30af\u30e9\u30b9\u30bf\u7ba1\u7406\u306f\u5c02\u9580\u77e5\u8b58\u304c\u8981\u308b\u3002\u300cKafka\u3092\u672c\u756a\u3067\u4f7f\u3063\u3066\u3044\u308b\u300d\u3068\u8a00\u3048\u308b\u3068\u63a1\u7528\u5e02\u5834\u3067\u306e\u4fe1\u983c\u611f\u304c\u4e0a\u304c\u308b\u3001\u3068\u3044\u3046\u526f\u6b21\u52b9\u679c\u3082\u3042\u308b\uff08\u3053\u308c\u306f\u534a\u5206\u5197\u8ac7\u3001\u534a\u5206\u672c\u6c17\u3060\uff09\u3002<\/p>\n
Redpanda<\/strong> \u306f\u6700\u8fd1\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u3044\u59cb\u3081\u305f\u3002Kafka\u4e92\u63dbAPI\u3092\u6301\u3061\u306a\u304c\u3089C++\u3067\u66f8\u304b\u308c\u3066\u304a\u308a\u3001JVM\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u306a\u3044\u3002\u5c0f\u301c\u4e2d\u898f\u6a21\u306e\u30c1\u30fc\u30e0\u306b\u306f\u5411\u3044\u3066\u3044\u308b\u3068\u601d\u3046\u3002\u500b\u4eba\u7684\u306b\u306f\u30ed\u30fc\u30ab\u30eb\u958b\u767a\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u30b7\u30f3\u30d7\u30eb\u3055\u304c\u6c17\u306b\u5165\u3063\u3066\u3044\u308b\u2014\u2014Docker\u3067\u7acb\u3061\u4e0a\u3052\u3066\u3059\u3050\u52d5\u304f\u3002\u305f\u3060\u3001\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u6210\u719f\u5ea6\u306f\u307e\u3060Kafka\u306b\u53ca\u3070\u306a\u3044\u3002<\/p>\n
\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9<\/strong>\uff08Confluent Cloud\u3001AWS<\/a> MSK\u3001Google Cloud Pub\/Sub\uff09\u306f\u3001\u30a4\u30f3\u30d5\u30e9\u7ba1\u7406\u306e\u30b3\u30b9\u30c8\u3092\u6255\u3044\u305f\u304f\u306a\u3044\u30c1\u30fc\u30e0\u306b\u306f\u73fe\u5b9f\u7684\u306a\u9078\u629e\u80a2\u3060\u3002\u305f\u3060\u3057\u3001\u30af\u30e9\u30a6\u30c9<\/a>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0” rel=”nofollow sponsored” target=”_blank”>\u30af\u30e9\u30a6\u30c9<\/a>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0” rel=”nofollow sponsored” target=”_blank”>\u30af\u30e9\u30a6\u30c9<\/a>\u3078\u306e\u30ed\u30c3\u30af\u30a4\u30f3\u3068\u30b3\u30b9\u30c8\u306e\u4e0a\u6607\u306f\u610f\u8b58\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002\u6708\u6b21\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u6570\u304c\u5897\u3048\u308b\u3068\u3001\u60f3\u5b9a\u5916\u306e\u8acb\u6c42\u304c\u6765\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u5b9f\u969b\u306b\u4e00\u5ea6\u3084\u3089\u304b\u3057\u305f\u3002\u3042\u306e\u6708\u306e\u8acb\u6c42\u66f8\u3092\u898b\u305f\u3068\u304d\u306e\u9854\u3092\u3001\u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u306b\u898b\u305b\u305f\u304f\u306a\u304b\u3063\u305f\u3002<\/p>\n
\u50d5\u306e\u73fe\u5728\u306e\u5224\u65ad\u57fa\u6e96\u306f\u30b7\u30f3\u30d7\u30eb\u3060\u3002\u30c1\u30fc\u30e0\u304c5\u4eba\u4ee5\u4e0b\u3067\u3001\u30a4\u30f3\u30d5\u30e9\u5c02\u4efb\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u3044\u306a\u3044\u306a\u3089\u8ff7\u308f\u305a\u30de\u30cd\u30fc\u30b8\u30c9\u300210\u4eba\u4ee5\u4e0a\u3067\u3001\u30c7\u30fc\u30bf\u91cf\u304c\u3042\u308b\u7a0b\u5ea6\u4e88\u6e2c\u3067\u304d\u308b\u306a\u3089Kafka\u304bRedpanda\u306e\u30bb\u30eb\u30d5\u30db\u30b9\u30c8\u3002\u305d\u306e\u4e2d\u9593\u306f…\u30b1\u30fc\u30b9\u30d0\u30a4\u30b1\u30fc\u30b9\u3068\u3057\u304b\u8a00\u3048\u306a\u3044\u3002<\/p>\n
\u4e00\u3064\u4ed8\u3051\u52a0\u3048\u3066\u304a\u304f\u3068\u30012026\u5e74\u306e\u30c8\u30ec\u30f3\u30c9\u3068\u3057\u3066WASM\u30d9\u30fc\u30b9\u306e\u30a8\u30c3\u30b8\u3067\u306e\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u304c\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u308b\u3002Cloudflare Workers\u3084Fastly\u306e\u30a8\u30c3\u30b8\u3067\u8efd\u91cf\u306a\u30a4\u30d9\u30f3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u3057\u3066\u3001\u30b3\u30a2\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u8ca0\u8377\u3092\u6e1b\u3089\u3059\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3060\u3002\u307e\u3060\u5b9f\u9a13\u7684\u306a\u30d5\u30a7\u30fc\u30ba\u3060\u304c\u3001\u8208\u5473\u6df1\u3044\u65b9\u5411\u6027\u3060\u3068\u601d\u3063\u3066\u3044\u308b\u3002<\/p>\n
\n
\u79fb\u884c\u3059\u308b\u3068\u304d\u306b\u6700\u521d\u306b\u3084\u308b\u3079\u304d\u3053\u3068<\/h2>\n
\u300c\u308f\u304b\u3063\u305f\u3001\u3084\u3063\u3066\u307f\u3088\u3046\u300d\u3068\u601d\u3063\u305f\u4eba\u306b\u5411\u3051\u3066\u3001\u5b9f\u8df5\u7684\u306a\u30a2\u30c9\u30d0\u30a4\u30b9\u3092\u66f8\u304f\u3002<\/p>\n
\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306e\u5168\u7f6e\u304d\u63db\u3048\u306f\u7d76\u5bfe\u306b\u3084\u3081\u308d\u3002<\/strong> \u5f37\u8abf\u3057\u3066\u304a\u304d\u305f\u3044\u3002\u50d5\u304c\u898b\u3066\u304d\u305f\u5931\u6557\u306e\u5927\u534a\u306f\u300c\u5168\u90e8\u307e\u3068\u3081\u3066\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u306b\u79fb\u884c\u3057\u3088\u3046\u300d\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1\u304b\u3089\u59cb\u307e\u3063\u3066\u3044\u308b\u3002\u30b7\u30b9\u30c6\u30e0\u304c\u5927\u304d\u304f\u306a\u308b\u307b\u3069\u3001\u79fb\u884c\u4e2d\u306e\u4e2d\u9593\u72b6\u614b\u304c\u8907\u96d1\u306b\u306a\u308a\u3001\u3069\u3053\u304b\u3067\u8a70\u307e\u308b\u3002<\/p>\n
\u4ee3\u308f\u308a\u306b\u300c\u30b9\u30c8\u30e9\u30f3\u30b0\u30e9\u30fc\u30d5\u30a3\u30b0\u30d1\u30bf\u30fc\u30f3\u300d\u3092\u4f7f\u3046\u3002\u65e2\u5b58\u306eREST API\u3092\u6b8b\u3057\u306a\u304c\u3089\u3001\u65b0\u3057\u3044\u6a5f\u80fd\u306f\u30a4\u30d9\u30f3\u30c8\u30c9\u30ea\u30d6\u30f3\u3067\u5b9f\u88c5\u3059\u308b\u3002\u5f90\u3005\u306b\u53e4\u3044\u90e8\u5206\u3092\u7f6e\u304d\u63db\u3048\u3066\u3044\u304f\u3002\u5730\u5473\u3060\u304c\u3001\u3053\u308c\u304c\u4e00\u756a\u78ba\u5b9f\u3060\u3002<\/p>\n
\u30a4\u30d9\u30f3\u30c8\u306e\u547d\u540d\u898f\u5247\u3092\u6700\u521d\u306b\u6c7a\u3081\u308b\u3002<\/strong> UserUpdated<\/code>\u306a\u306e\u304buser.updated<\/code>\u306a\u306e\u304bUserAccountUpdated<\/code>\u306a\u306e\u304b\u3002\u5f8c\u304b\u3089\u5909\u3048\u308b\u3068\u5168\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306b\u5f71\u97ff\u3059\u308b\u3002\u30c9\u30e1\u30a4\u30f3\u30a4\u30d9\u30f3\u30c8\u306e\u547d\u540d\u306f\u904e\u53bb\u5f62\u3092\u4f7f\u3046\u306e\u304c\u4e00\u822c\u7684\u3060\uff08OrderCompleted<\/code>\u3001PaymentProcessed<\/code>\uff09\u3002\u3053\u308c\u306f\u30b3\u30de\u30f3\u30c9\uff08ProcessPayment<\/code>\uff09\u3068\u306e\u533a\u5225\u3092\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u3002<\/p>\n
\u30aa\u30d6\u30b6\u30fc\u30d0\u30d3\u30ea\u30c6\u30a3\u3092\u6700\u521d\u304b\u3089\u5165\u308c\u308b\u3002<\/strong> \u5206\u6563\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u4f55\u304b\u304a\u304b\u3057\u3044\u3068\u304d\u306e\u539f\u56e0\u7279\u5b9a\u304c\u96e3\u3057\u3044\u3002\u30c8\u30ec\u30fc\u30b7\u30f3\u30b0ID\u3092\u30a4\u30d9\u30f3\u30c8\u306b\u542b\u3081\u3001\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u30ed\u30b0\u3092\u6b8b\u3059\u8a2d\u8a08\u3092\u6700\u521d\u304b\u3089\u3084\u3063\u3066\u304a\u304f\u3002OpenTelemetry\u3092Kafka\u306e\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u30fb\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306b\u7d44\u307f\u8fbc\u3080\u306e\u306f\u4eca\u3084\u5b9a\u756a\u3060\u3002<\/p>\n
\n
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