{"id":46752,"date":"2022-11-08T03:55:59","date_gmt":"2023-04-14T06:22:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46752-2\/"},"modified":"2024-04-28T23:35:23","modified_gmt":"2024-04-28T15:35:23","slug":"46752-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46752-2\/","title":{"rendered":""},"content":{"rendered":"

** \u672c\u30a8\u30f3\u30c8\u30ea\u306fDistributed computing Advent Calendar 2021\u306e12\/8\u30a8\u30f3\u30c8\u30ea\u3067\u3059\u3002<\/p>\n

\u306f\u3058\u3081\u306b<\/h1>\n

Apache Kafka\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30d6\u30ed\u30fc\u30ab\u30fc\u3068\u306f\u4e00\u7dda\u3092\u753b\u3059\u308b\u601d\u60f3\u3084\u30c7\u30fc\u30bf\u306e\u6271\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u524d\u7de8\u3067\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u8a00\u3046\u3068\u3053\u308d\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u9818\u57df\u306e\u8a71\u306b\u7559\u307e\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u4eca\u56de\u306f\u30af\u30a8\u30ea\u30a8\u30f3\u30b8\u30f3\u306b\u3042\u305f\u308bksqlDB\u306b\u3064\u3044\u3066\u3001Kafka\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3069\u306e\u3088\u3046\u306a\u4e8b\u304c\u53ef\u80fd\u306a\u306e\u304b\u306b\u3064\u3044\u3066\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n

ksqlDB\u306f\u300c\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0DB\u300d\u3068\u610f\u56f3\u7684\u306b\u547c\u3076\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u3082\u305d\u3082\u300cKSQL\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u305f\u6280\u8853\u306b\u3042\u3048\u3066\u300cDB\u300d\u3092\u4ed8\u3051\u52a0\u3048\u3066\u518d\u69cb\u6210\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3053\u306e\u6280\u8853\u306e\u3001\u3072\u3044\u3066\u306fKafka\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306b\u304a\u3051\u308b\u4f4d\u7f6e\u4ed8\u3051\u306b\u3082\u5927\u304d\u304f\u5f71\u97ff\u3057\u3066\u3044\u307e\u3059\u3002\u3084\u3084\u63b4\u307f\u3065\u3089\u3044\u6280\u8853\u3067\u3059\u304c\u3001\u4eca\u56de\u306fKafka\u5168\u4f53\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u3057\u3066\u898b\u7acb\u3066\u3066\u8003\u5bdf\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u6280\u8853\u306b\u3088\u3063\u3066\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7f6e\u304d\u63db\u3048\u308b\u3068\u304b\u3001\u6a5f\u80fd\u5dee\u7570\u304c\u3069\u3053\u306b\u3069\u308c\u304f\u3089\u3044\u3042\u308b\u306e\u304b\u3068\u3044\u3063\u305f\u70b9\u306b\u3064\u3044\u3066\u306f\u8a00\u53ca\u3057\u307e\u305b\u3093\u3002\u3042\u304f\u307e\u3067Kafka\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306a\u308b\u3068\u3044\u3046\u300c\u5922\u300d\u3092\u898b\u305f\u3068\u3057\u3066\u3001\u3067\u306f\u305d\u308c\u306f\u3069\u3093\u306a\u5922\u306a\u306e\u304b\u3001\u305d\u306e\u5922\u306e\u4e2d\u3067ksqlDB\u304c\u3069\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\uff08\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30ebDB\u3068\u304bNewSQL\u306b\u6226\u4e89\u3092\u4ed5\u639b\u3051\u308b\u985e\u306e\u30a8\u30f3\u30c8\u30ea\u3067\u306f\u3042\u308a\u307e\u305b\u3093\uff09<\/div>\n
\u672c\u30a8\u30f3\u30c8\u30ea\u306f\u5148\u65e5 (2021\/09\/24) \u5b9f\u65bd\u3055\u308c\u305fApache Kafka Meetup Japan #9\u3067\u306e\u767b\u58c7\u5185\u5bb9\u3092\u306a\u305e\u3089\u3048\u305f\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/div>\n

\u53c2\u8003<\/h4>\n

Apache Kafka Meetup Japan #9
\n\u767b\u58c7\u8cc7\u6599\uff1a\u300c\u30ab\u30d5\u30ab\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5922\u3092\u307f\u308b\u304b\u300d<\/p>\n

ksqlDB\u3068\u306f\uff1f<\/h1>\n

ksqlDB\u306fKafka\u3092\u5229\u7528\u3059\u308b\u4e8b\u3092\u524d\u63d0\u3068\u3057\u305f\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u3067\u3059\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u57fa\u76e4\u3068\u3044\u3046\u8a00\u3044\u65b9\u3092\u907f\u3051\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u306fksqlDB\u81ea\u4f53\u304cJava\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u3042\u308a\u3001\u30bb\u30eb\u30d5\u30aa\u30fc\u30b1\u30b9\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u4e8b\u306b\u3088\u308a\u6a5f\u80fd\u3059\u308b\u4e8b\u304c\u7406\u7531\u3067\u3059\u3002\u307e\u305fksqlDB\u304c\u30c7\u30fc\u30bf\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u306e\u3067\u306f\u306a\u3044\u3053\u3068\u3001\u30af\u30a8\u30ea\u3092\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u3057\u3066\u5b9f\u51e6\u7406\u306fKafka Streams\u3067\u884c\u3046\u3053\u3068\u3001\u305d\u3057\u3066\u4f55\u3088\u308aksqlDB\u306fKafka Streams\u306e\u3055\u3089\u306b\u4e0a\u306b\u5f62\u6210\u3055\u308c\u308b\u62bd\u8c61\u5316\u30ec\u30a4\u30e4\u30fc\u3067\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u304b\u3089\u3001\u300c\u57fa\u76e4\u300d\u3068\u3044\u3046\u8a00\u3044\u65b9\u306f\u9069\u5207\u3067\u306f\u306a\u3044\u3068\u611f\u3058\u307e\u3059\u3002<\/p>\n

\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3068\u306fSource\u3068Sink\u3001\u305d\u3057\u3066\u305d\u306e\u4e2d\u9593\u3092\u6d41\u308c\u308bStream\u306b\u5bfe\u3059\u308b\u51e6\u7406\u5168\u4f53\u3092\u6307\u3057\u307e\u3059\u3002Kafka\u3082\u3057\u304f\u306fksqlDB\u306b\u9650\u3089\u305a\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u81ea\u4f53\u306f\u4e00\u822c\u7684\u306a\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u901a\u5e38\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\uff08DB\u7b49\uff09\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u30d9\u30fc\u30b9\u3068\u3057\u305f\u51e6\u7406\u30e2\u30c7\u30eb\u3068\u6bd4\u3079\u308b\u3068\u69cb\u6210\u304c\u3084\u3084\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u51e6\u7406\u69cb\u6210\u3068\u3057\u3066\u306f\u5927\u304d\u304f\u5206\u5272\u3057\u30663\u3064\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u3088\u308a\u69cb\u6210\u3055\u308c\u307e\u3059\uff1a<\/p>\n

Souce – Source\u3067\u767a\u751f\u3059\u308bEvent\u3092\u62bd\u51fa\u3057Stream\u5316\u3059\u308b\u51e6\u7406<\/p>\n

Stream Processing – Stream\u306b\u5bfe\u3059\u308b\u52a0\u5de5\u51e6\u7406<\/p>\n

Sink – Stream\u306e\u52a0\u5de5\u7d50\u679c\u3092Sink\u306b\u6295\u5165\u3059\u308b\u51e6\u7406<\/p>\n

\"stream<\/div>\n

\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u5f79\u5272\u3067\u3042\u308a\u3001\u7570\u306a\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u63a1\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082Stream Processing\u306f\u305d\u306e\u51e6\u7406\u30c8\u30dd\u30ed\u30b8\u30fc\u3092DAG (Direct Acyclic Graph) \u3067\u8868\u73fe\u3059\u308b\u4e8b\u304c\u4e00\u822c\u7684\u3067\u3042\u308a\u3001\u51e6\u7406\u69cb\u6210\u306f\u8907\u96d1\u306b\u306a\u308a\u307e\u3059\u3002DAG\u30c8\u30dd\u30ed\u30b8\u30fc\u306e\u5b9a\u7fa9\u3084\u5b9f\u884c\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\u3001\u305d\u3057\u3066\u5b9f\u969b\u306e\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001\u307e\u305f\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u30e9\u30f3\u30bf\u30a4\u30e0 (Yarn\u3084Kubernetes) \u304c\u5225\u9014\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\"stream<\/div>\n
\u63a5\u7d9a (Connector) \u306b\u95a2\u3057\u3066\u306f\u305d\u306e\u5b9a\u7fa9\u306e\u6027\u8cea\u4e0a\u3001\u540c\u3058\u30af\u30a8\u30ea\u8a00\u8a9e\u3067\u8868\u73fe\u306f\u3057\u307e\u3059\u304c\u8a18\u8f09\u65b9\u6cd5\u306f\u4e00\u822c\u7684\u306aSQL\u3068\u3060\u3044\u3076\u7570\u306a\u308a\u307e\u3059\u3002\uff08Kafka Connect\u306eConnector\u5b9a\u7fa9\u306b\u8fd1\u3044\uff09<\/div>\n

Kafka Producer\/Consumer\u3068Kafka Strams\u3068ksqlDB<\/h1>\n

Kafka\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u304a\u3044\u3066Kafka\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65b9\u6cd5\u306f3\u3064\u3042\u308a\u307e\u3059\uff1a<\/p>\n

    \n
  • \n
      Kafka Producer\/Consumer<\/ul>\n<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • \n
          Kafka Streams<\/ul>\n<\/li>\n<\/ul>\n

           <\/p>\n

            ksqlDB<\/ul>\n

            \u3057\u304b\u3057\u3053\u308c\u3089\u306f\u5168\u304f\u7570\u306a\u308b\u6280\u8853\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002
            \nKafka Producer\/Consumer\u306fEvent\u51e6\u74061\u30641\u3064\u3092\u3001\u30eb\u30fc\u30d7\u51e6\u7406\u3082\u542b\u3081\u3066\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3078\u306e\u6a19\u6e96\u7684\u306a\u30a2\u30af\u30bb\u30b9\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001Kafka\u306e\u601d\u60f3\u4e0a\u3001\u91cd\u8981\u306a\u51e6\u7406\u306e\u591a\u304f\u3092\u62c5\u3063\u305f\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3082\u306a\u3063\u3066\u3044\u307e\u3059\u3002Kafka Streams\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u306e\u30c8\u30dd\u30ed\u30b8\u30fc\u5b9a\u7fa9\u3068\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\uff08\u3064\u307e\u308a\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u542b\u3080\uff09\u3092\u884c\u3046\u5206\u6563\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u3057\u3066\u7a3c\u50cd\u3057\u307e\u3059\u304c\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u51e6\u7406\u306fProducer\/Consumer\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3057\u3066ksqlDB\u306f\u30a4\u30f3\u30d7\u30c3\u30c8\u3068\u3057\u3066\u53d7\u9818\u3057\u305fSQL\u304b\u3089\u5b9f\u884c\u8a08\u753b\u3092\u4f5c\u6210\u3057\u3001\u51e6\u7406\u306fKafka Streams\u306e\u30c8\u30dd\u30ed\u30b8\u30fc\u306b\u5909\u63db\u306e\u4e0a\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n

            \"abstraction<\/div>\n

            \u3053\u306e\u62bd\u8c61\u5316\u5ea6\u5408\u3044\u304c\u3082\u305f\u3089\u3059\u52b9\u679c\u3067\u3059\u304c\u3001\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u306a\u51e6\u7406\u3092Consumer API\u3092\u5229\u7528\u3057\u3066\u5b9f\u88c5\u3059\u308b\u3068\uff1a<\/p>\n

            ConsumerRecords<\/span><<\/span>String<\/span>,<\/span> String<\/span>><\/span> records<\/span> =<\/span> consumer<\/span>.<\/span>poll<\/span>(<\/span>100<\/span>);<\/span>\r\nMap<\/span><<\/span>String<\/span>,<\/span> Integer<\/span>><\/span> counts<\/span> =<\/span> new<\/span> DefaultMap<\/span><<\/span>String<\/span>,<\/span> Integer<\/span>>();<\/span>\r\nfor<\/span> (<\/span>ConsumerRecord<\/span><<\/span>String<\/span>,<\/span> Integer<\/span>><\/span> record<\/span> :<\/span> records<\/span>)<\/span> {<\/span>\r\n  String<\/span> key<\/span> =<\/span> record<\/span>.<\/span>key<\/span>();<\/span>\r\n  int<\/span> c<\/span> =<\/span> counts<\/span>.<\/span>get<\/span>(<\/span>key<\/span>)<\/span>\r\n  c<\/span> +=<\/span> record<\/span>.<\/span>value<\/span>()<\/span>\r\n  counts<\/span>.<\/span>put<\/span>(<\/span>key<\/span>,<\/span> c<\/span>)<\/span>\r\n}<\/span>\r\nfor<\/span> (<\/span>Map<\/span>.<\/span>Entry<\/span><<\/span>String<\/span>,<\/span> Integer<\/span>><\/span> entry<\/span> :<\/span> counts<\/span>.<\/span>entrySet<\/span>())<\/span> {<\/span>\r\n  int<\/span> stateCount<\/span>;<\/span>\r\n  int<\/span> attempts<\/span>;<\/span>\r\n  while<\/span> (<\/span>attempts<\/span>++<\/span> <<\/span> MAX_RETRIES<\/span>)<\/span> {<\/span>\r\n   try<\/span> {<\/span>\r\n     stateCount<\/span> =<\/span> stateStore<\/span>.<\/span>getValue<\/span>(<\/span>entry<\/span>.<\/span>getKey<\/span>())<\/span>\r\n     stateStore<\/span>.<\/span>setValue<\/span>(<\/span>entry<\/span>.<\/span>getKey<\/span>(),<\/span> entry<\/span>.<\/span>getValue<\/span>()<\/span> +<\/span> stateCount<\/span>)<\/span>\r\n     break<\/span>;<\/span>\r\n   }<\/span> catch<\/span> (<\/span>StateStoreException<\/span> e<\/span>)<\/span> {<\/span>\r\n     RetryUtils<\/span>.<\/span>backoff<\/span>(<\/span>attempts<\/span>);<\/span>\r\n   }<\/span>\r\n }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
            \u305d\u308c\u3092Kafka Streams\u3067\u5b9f\u88c5\u3059\u308b\u3068\uff1a<\/p>\n
            builder<\/span>.<\/span>stream<\/span>(<\/span>\"input-stream\"<\/span>,<\/span>\r\n    Consumed<\/span>.<\/span>with<\/span>(<\/span>Serdes<\/span>.<\/span>String<\/span>(),<\/span>\r\n    Serdes<\/span>.<\/span>String<\/span>()))<\/span>\r\n    .<\/span>groupBy<\/span>((<\/span>key<\/span>,<\/span> value<\/span>)<\/span> -><\/span> value<\/span>)<\/span>\r\n    .<\/span>count<\/span>()<\/span>\r\n    .<\/span>toStream<\/span>()<\/span>\r\n    .<\/span>to<\/span>(<\/span>\"counts\"<\/span>,<\/span>\r\n        Produced<\/span>.<\/span>with<\/span>(<\/span>Serdes<\/span>.<\/span>String<\/span>(),<\/span>\r\n        Serdes<\/span>.<\/span>Long<\/span>()));<\/span>\r\n<\/code><\/pre>\n
            \u3055\u3089\u306bksqlDB\u3067\u8868\u73fe\u3059\u308b\u3068\uff1a<\/p>\n
            SELECT<\/span> x<\/span>,<\/span> count<\/span>(<\/span>*<\/span>)<\/span> \r\n  FROM<\/span> stream<\/span> \r\n  GROUP<\/span> BY<\/span> x<\/span> \r\n  EMIT<\/span> CHANGES<\/span>;<\/span>\r\n<\/code><\/pre>\n
            \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
            Database inside out – \u30af\u30a8\u30ea\u30a8\u30f3\u30b8\u30f3\u3068\u3057\u3066\u306eksqlDB<\/h1>\n
            \"ksqldb<\/div>\n
            \u3057\u304b\u3057\u306a\u304c\u3089\u3001KSQL\u304cksqlDB\u3068\u540d\u524d\u3092\u5909\u3048\u3066\u307e\u3067\u9032\u5316\u3057\u305f\u3053\u3068\u306b\u306f\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002
            \nApache Kafka\u306f\u5143\u3005Linkedin\u5185\u90e8\u3067\u958b\u767a\u3055\u308c\u305f\u3082\u306e\u3067\u3059\u304c\u3001Kafka\u4ee5\u5916\u306bApache Samza \u3082\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002Samza\u306e\u69cb\u60f3\u306f\u300cDatabase inside Out\u300d(\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u518d\u69cb\u7bc9\u3068\u5206\u6563\u5316) \u3068\u3044\u3046\u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u8b33\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u4e2d\u3067\u306fKafka\u305d\u306e\u4ed6\u30b9\u30c8\u30ea\u30fc\u30e0\u57fa\u76e4\u4e0a\u306b\u30b9\u30c8\u30ea\u30fc\u30e0ETL\u306e\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u3082\u306e\u3067\u3057\u305f\u3002Kafka\u306b\u3068\u3063\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5922\u3092\u307f\u308b\u306b\u306fSamza\u304c\u5fc5\u8981\u3067\u3057\u305f\u3002\u4e00\u65b9Samza\u306e\u5922\u306f\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0ETL\u3067\u3042\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306a\u308b\u4e8b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n
            \"database<\/div>\n
            \u305d\u306e\u601d\u60f3\u3092\u89e3\u91c8\u3059\u308b\u624b\u6bb5\u3068\u3057\u3066\u306eSQL\u3067\u3042\u308a\u3001\u6700\u7d42\u7684\u306b\u306f\u6211\u3005\u304c\u5206\u6563\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u8003\u3048\u65b9\u304c\u5909\u308f\u3063\u305f\u5148\u306b\u3042\u308b\u65b0\u3057\u3044\u5f62\u3092\u6a21\u7d22\u3057\u3066\u3044\u304f\u306e\u304cKafka\u3068ksqlDB\u3060\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5922\u306fNewSQL\u306e\u69d8\u306a\u5206\u6563\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u63cf\u304f\u5f62\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001Kafka\u3092\u524d\u63d0\u3068\u3057\u305fKafka\u3089\u3057\u3044\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5922\u3067\u3042\u308b\u69d8\u306b\u601d\u3044\u307e\u3059\u3002<\/p>\n
            \u304a\u308f\u308a\u306b<\/h1>\n
            \u672c\u30a8\u30f3\u30c8\u30ea\u3067\u306f\u524d\u7de8\u306b\u7d9a\u304dKafka\u3068\u3001\u65b0\u305f\u306bksqlDB\u306e\u4e16\u754c\u89b3\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n
            Kafka Streams\u3068ksqlDB\u306f\u5207\u3063\u3066\u3082\u5207\u308c\u306a\u3044\u95a2\u4fc2\u306b\u3042\u308a\u307e\u3059\u3002ksqlDB\u306f\u958b\u767a\u8005\u304b\u3089\u591a\u304f\u306e\u4e8b\u3092\u96a0\u853d\u3057\u3001\u3088\u308a\u624b\u8efd\u306b\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3092\u6271\u3048\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002\u4e00\u65b9SQL\u304b\u3089\u5909\u63db\u3055\u308c\u305f\u51e6\u7406\u306fKafka Streams\u306b\u3088\u308b\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3068\u3057\u3066\u5b9f\u884c\u3055\u308c\u308b\u70ba\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u306a\u4e16\u754c\u306eSQL\u3068\u306f\u5b9f\u969b\u306e\u50cd\u304d\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u5236\u7d04\u3067\u306f\u7121\u304f\u3001\u65b0\u3057\u3044\u300c\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0DB\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3067\u3042\u308b\u3068\u611f\u3058\u3066\u9802\u3051\u308b\u3068\u5e78\u3044\u3067\u3059\u3002<\/p>\n
            \u304a\u307e\u3051<\/h3>\n
            \u300c\u3061\u3087\u3063\u3068ksqlDB\u89e6\u3063\u3066\u307f\u3088\u3046\u304b\u306a\uff1f\u300d\u3068\u304a\u611f\u3058\u306b\u306a\u3063\u305f\u65b9\u306f\u662f\u975e\u30d5\u30eb\u30de\u30cd\u30fc\u30b8\u30c9\u306eConfluent Cloud\u3092\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3084\u30cf\u30f3\u30ba\u30aa\u30f3\u30c7\u30e2\u7b49\u3001\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u3082\u5408\u308f\u305b\u3066\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002
            \nConfluent Cloud
            \n\u30c8\u30e9\u30a4\u30a2\u30eb\u3067\u306f400USD\u306e\u30af\u30ec\u30b8\u30c3\u30c8\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u304c\u3001101KSQLDB\u306e\u30d7\u30ed\u30e2\u30b3\u30fc\u30c9\u3067\u3055\u3089\u306b101USD\u8ffd\u52a0\u3067\u3054\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
            developer.confluent.io \u3067\u306fApache Kafka 101\u3092\u59cb\u3081\u3068\u3057\u3066\u3001ksqlDB\u3084Kafka Streams\u7b49Kafka\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u69d8\u3005\u306a\u6280\u8853\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u30b7\u30ea\u30fc\u30ba\u3092\u3054\u7528\u610f\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
            ** \u672c\u30a8\u30f3\u30c8\u30ea\u306fDistributed computing Advent Calendar 2021\u306e12\/ […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46752","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/46752-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"** \u672c\u30a8\u30f3\u30c8\u30ea\u306fDistributed computing Advent Calendar 2021\u306e12\/ […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/46752-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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