{"id":6034,"date":"2024-12-17T15:10:41","date_gmt":"2024-12-17T06:10:41","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=6034"},"modified":"2026-09-30T13:54:13","modified_gmt":"2026-09-30T04:54:13","slug":"apachekafka_glossary","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/apachekafka_glossary\/","title":{"rendered":"Apache Kafka\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u57fa\u76e4\u3092\u652f\u3048\u308b\u6700\u65b0\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30684.3\u306e\u9032\u5316"},"content":{"rendered":"\n

Apache Kafka\u306e\u57fa\u672c\u69cb\u9020\u304b\u3089KRaft\u3001Kafka Streams\u3001Kafka Connect\u3001Kafka Queues\u3001Tiered Storage\u307e\u3067\u3092\u5fb9\u5e95\u89e3\u8aac\u3002Kafka 4.3\u6642\u4ee3\u306e\u6700\u65b0\u6a5f\u80fd\u3001\u30af\u30e9\u30a6\u30c9\u30fbKubernetes\u30fbAI\u6642\u4ee3\u306b\u304a\u3051\u308b\u6d3b\u7528\u30dd\u30a4\u30f3\u30c8\u3068\u904b\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n

\u306f\u3058\u3081\u306b\uff1aApache Kafka\u3068\u306f\uff1f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u6d3b\u7528\u3092\u652f\u3048\u308b\u57fa\u76e4<\/h2>\n

\u4f01\u696d\u306e\u30c7\u30fc\u30bf\u6d3b\u7528\u306f\u3001\u300c\u30c7\u30fc\u30bf\u3092\u84c4\u7a4d\u3057\u3066\u5f8c\u304b\u3089\u5206\u6790\u3059\u308b\u300d\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u300c\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u3059\u3050\u306b\u51e6\u7406\u3057\u3001\u6b21\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u3064\u306a\u3052\u308b\u300d\u65b9\u5411\u3078\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002EC\u30b5\u30a4\u30c8\u306e\u6ce8\u6587\u3001\u30a2\u30d7\u30ea\u306e\u64cd\u4f5c\u30ed\u30b0\u3001IoT\u30bb\u30f3\u30b5\u30fc\u3001\u6c7a\u6e08\u30a4\u30d9\u30f3\u30c8\u3001\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u901a\u77e5\u306a\u3069\u3001\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u5927\u91cf\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u7d76\u3048\u305a\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Apache Kafka\u306f\u3001\u3053\u3046\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3067\u53d7\u3051\u53d6\u308a\u3001\u4fdd\u5b58\u3057\u3001\u8907\u6570\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u914d\u4fe1\u3067\u304d\u308b\u5206\u6563\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u3059\u3002\u5358\u306a\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u3067\u306f\u306a\u304f\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u4e00\u5b9a\u671f\u9593\u4fdd\u6301\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u904e\u53bb\u306e\u30c7\u30fc\u30bf\u3092\u518d\u8aad\u8fbc\u3067\u304d\u308b\u3053\u3068\u304cKafka\u306e\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002<\/p>\n

2026\u5e749\u6708\u6642\u70b9\u3067\u306f\u3001Apache Kafka\u306e\u6700\u65b0\u7cfb\u5217\u306f4.3\u7cfb\u3067\u30014.3.1\u304c2026\u5e746\u670825\u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

Kafka\u306e\u57fa\u672c\u69cb\u9020\uff1a\u30c8\u30d4\u30c3\u30af\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3001\u30d6\u30ed\u30fc\u30ab\u30fc<\/h2>\n

Kafka\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u91cd\u8981\u306a\u306e\u304c\u3001\u30c8\u30d4\u30c3\u30af\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3001\u30d6\u30ed\u30fc\u30ab\u30fc\u3001\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u3001\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc<\/strong>\u3067\u3059\u3002<\/p>\n

\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u306f\u30a4\u30d9\u30f3\u30c8\u3092Kafka\u3078\u9001\u4fe1\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u306f\u30c8\u30d4\u30c3\u30af\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u30c8\u30d4\u30c3\u30af\u306f\u8907\u6570\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u5206\u5272\u3067\u304d\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5358\u4f4d\u3067\u30c7\u30fc\u30bf\u3092\u4e26\u5217\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u5927\u898f\u6a21\u306a\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u30d6\u30ed\u30fc\u30ab\u30fc\u306f\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u30fb\u914d\u4fe1\u3059\u308b\u30b5\u30fc\u30d0\u30fc\u3067\u3001\u8907\u6570\u306e\u30d6\u30ed\u30fc\u30ab\u30fc\u306b\u3088\u3063\u3066\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u69cb\u6210\u3057\u307e\u3059\u3002<\/p>\n

\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306fKafka\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u8907\u6570\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u3092\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b0\u30eb\u30fc\u30d7\u3068\u3057\u3066\u69cb\u6210\u3059\u308c\u3070\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u5206\u62c5\u3057\u3066\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u5927\u91cf\u30a4\u30d9\u30f3\u30c8\u3092\u6c34\u5e73\u30b9\u30b1\u30fc\u30eb\u3055\u305b\u306a\u304c\u3089\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3053\u3053\u3067\u91cd\u8981\u306a\u306e\u306f\u3001Kafka\u304c\u300c\u9001\u3063\u305f\u3089\u6d88\u3048\u308b\u300d\u3060\u3051\u306e\u4ed5\u7d44\u307f\u3067\u306f\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u4fdd\u6301\u671f\u9593\u3084\u30b5\u30a4\u30ba\u306a\u3069\u306e\u30dd\u30ea\u30b7\u30fc\u306b\u5fdc\u3058\u3066\u30a4\u30d9\u30f3\u30c8\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u3001\u969c\u5bb3\u5fa9\u65e7\u3084\u518d\u51e6\u7406\u3001\u904e\u53bb\u30c7\u30fc\u30bf\u306e\u30d0\u30c3\u30af\u30d5\u30a3\u30eb\u306b\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

<\/p>\n

<\/p>\n

Kafka 4.x\u6700\u5927\u306e\u5909\u5316\u2015\u2015KRaft\u6642\u4ee3\u3078<\/h2>\n

Kafka\u306e\u6700\u65b0\u52d5\u5411\u3092\u8a9e\u308b\u3046\u3048\u3067\u5916\u305b\u306a\u3044\u306e\u304c**KRaft\uff08Kafka Raft\uff09**\u3067\u3059\u3002<\/p>\n

\u5f93\u6765\u306eKafka\u3067\u306f\u30af\u30e9\u30b9\u30bf\u30fc\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u7ba1\u7406\u306bApache ZooKeeper\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3057\u304b\u3057Kafka 3.5\u304b\u3089ZooKeeper\u306f\u975e\u63a8\u5968\u3068\u306a\u308a\u3001Kafka 4.0\u3067\u306fZooKeeper\u30e2\u30fc\u30c9\u305d\u306e\u3082\u306e\u304c\u524a\u9664\u3055\u308c\u307e\u3057\u305f\u3002\u3064\u307e\u308a\u73fe\u5728\u306eKafka 4.x\u3067\u306f\u3001KRaft\u304c\u6a19\u6e96\u7684\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u3059\u3002<\/p>\n

KRaft\u3067\u306fKafka\u81ea\u8eab\u304cRaft\u30d9\u30fc\u30b9\u306e\u4ed5\u7d44\u307f\u3067\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Kafka\u3068ZooKeeper\u3068\u3044\u3046\u8907\u6570\u30b7\u30b9\u30c6\u30e0\u3092\u500b\u5225\u306b\u904b\u7528\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u308a\u3001\u69cb\u6210\u3084\u969c\u5bb3\u5bfe\u5fdc\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306bKafka 3.9\u3067\u306fKRaft\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u52d5\u7684\u306a\u30af\u30a9\u30fc\u30e9\u30e0\u5909\u66f4\u3082\u5c0e\u5165\u3055\u308c\u3001\u30af\u30e9\u30b9\u30bf\u30fc\u904b\u7528\u306e\u67d4\u8edf\u6027\u304c\u9ad8\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u305f\u3060\u3057\u3001\u65e2\u5b58\u306eZooKeeper\u74b0\u5883\u3092Kafka 4.x\u3078\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u307e\u307e\u79fb\u884c\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002KRaft\u3078\u306e\u79fb\u884c\u8a08\u753b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u4e92\u63db\u6027\u3001\u30e1\u30bf\u30c7\u30fc\u30bf\u5909\u66f4\u306a\u3069\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

<\/p>\n

<\/p>\n

Kafka 4.x\u3067\u9032\u3080\u300c\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u300d\u304b\u3089\u300c\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u300d\u3078\u306e\u62e1\u5f35<\/h2>\n

Kafka\u306fProducer\u3068Consumer\u3092\u3064\u306a\u3050\u3060\u3051\u306e\u57fa\u76e4\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002Kafka Streams\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u3067\u30a4\u30d9\u30f3\u30c8\u306e\u5909\u63db\u3001\u96c6\u7d04\u3001\u7d50\u5408\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u51e6\u7406\u306a\u3069\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u305f\u3068\u3048\u3070EC\u30b5\u30a4\u30c8\u306a\u3089\u3001\u300c\u6ce8\u6587\u30a4\u30d9\u30f3\u30c8\u300d\u3068\u300c\u9867\u5ba2\u30a4\u30d9\u30f3\u30c8\u300d\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u7d50\u5408\u3057\u3001\u9867\u5ba2\u3054\u3068\u306e\u8cfc\u5165\u91d1\u984d\u3092\u96c6\u8a08\u3059\u308b\u3068\u3044\u3063\u305f\u51e6\u7406\u304c\u53ef\u80fd\u3067\u3059\u3002\u5916\u90e8\u306e\u5927\u898f\u6a21\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u3092\u5fc5\u305a\u3057\u3082\u5c0e\u5165\u305b\u305a\u3001Kafka\u3092\u4e2d\u5fc3\u306b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n

Kafka 4.2\u3067\u306fStreams\u306e\u30b5\u30fc\u30d0\u30fc\u5074\u30ea\u30d0\u30e9\u30f3\u30b9\u30d7\u30ed\u30c8\u30b3\u30eb\u304cGA\u3068\u306a\u308a\u3001\u4f8b\u5916\u51e6\u7406\u306b\u304a\u3051\u308bDead Letter Queue\u306a\u3069\u3082\u5f37\u5316\u3055\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b4.3\u3067\u306fStreams\u306e\u72b6\u614b\u30b9\u30c8\u30a2\u3067\u30ec\u30b3\u30fc\u30c9\u30d8\u30c3\u30c0\u30fc\u3092\u6271\u3046\u6a5f\u80fd\u306a\u3069\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

Kafka Queues\u3068\u3044\u3046\u65b0\u3057\u3044\u9078\u629e\u80a2<\/h2>\n

Kafka 4.x\u3067\u306f\u3001\u5f93\u6765\u578b\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b0\u30eb\u30fc\u30d7\u3068\u306f\u7570\u306a\u308b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u30e2\u30c7\u30eb\u3082\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Kafka 4.1\u3067\u30d7\u30ec\u30d3\u30e5\u30fc\u3068\u3057\u3066\u5c0e\u5165\u3055\u308c\u305f**Queues\uff08Share Groups\uff09**\u306f\u30014.2\u3067\u30d7\u30ed\u30c0\u30af\u30b7\u30e7\u30f3\u5bfe\u5fdc\u3068\u306a\u308a\u307e\u3057\u305f\u3002\u5f93\u6765\u306eKafka\u304c\u300c\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3068\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306e\u5272\u308a\u5f53\u3066\u300d\u3092\u4e2d\u5fc3\u3068\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001Share Groups\u306f\u30ef\u30fc\u30af\u30ad\u30e5\u30fc\u306b\u8fd1\u3044\u51e6\u7406\u30e2\u30c7\u30eb\u3092\u63d0\u4f9b\u3057\u307e\u3059\u30024.2\u3067\u306f\u51e6\u7406\u6642\u9593\u304c\u9577\u3044\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u5fdc\u3059\u308bRENEW acknowledgement\u3084\u30e9\u30b0\u30e1\u30c8\u30ea\u30af\u30b9\u306a\u3069\u3082\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u3053\u308c\u306b\u3088\u308aKafka\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u3060\u3051\u3067\u306a\u304f\u3001\u975e\u540c\u671f\u30b8\u30e7\u30d6\u51e6\u7406\u306a\u3069\u306b\u3082\u9069\u7528\u7bc4\u56f2\u3092\u5e83\u3052\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

Kafka Connect\uff1a\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u3068Kafka\u3092\u3064\u306a\u3050<\/h2>\n

Kafka Connect\u306f\u3001Kafka\u3068\u5916\u90e8\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u30c7\u30fc\u30bf\u9023\u643a\u3092\u62c5\u3046\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002<\/p>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u691c\u7d22\u57fa\u76e4\u3001\u5206\u6790\u57fa\u76e4\u306a\u3069\u3068\u306e\u9593\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u53d6\u308a\u8fbc\u3093\u3060\u308a\u66f8\u304d\u51fa\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306b\u72ec\u81ea\u306e\u9023\u643a\u51e6\u7406\u3092\u958b\u767a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001Connector\u3092\u5229\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u308b\u70b9\u304c\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n

\u305f\u3068\u3048\u3070\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5909\u66f4\u3092CDC\u3067Kafka\u3078\u9001\u308a\u3001\u305d\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u5225\u306e\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u3084\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3078\u9023\u643a\u3059\u308b\u69cb\u6210\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n

Kafka 4.3\u3067\u306fConnector\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u6271\u3044\u3084MirrorMaker 2\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u306a\u3069\u306b\u3082\u6539\u5584\u304c\u52a0\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n

Tiered Storage\u3067\u5909\u308f\u308bKafka\u306e\u30c7\u30fc\u30bf\u4fdd\u6301<\/h2>\n

Kafka\u306e\u5f31\u70b9\u3068\u3057\u3066\u4ee5\u524d\u304b\u3089\u6319\u3052\u3089\u308c\u3066\u304d\u305f\u306e\u304c\u3001\u5927\u91cf\u30c7\u30fc\u30bf\u3092\u9577\u671f\u9593\u4fdd\u6301\u3057\u305f\u5834\u5408\u306e\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u8ca0\u8377\u3067\u3059\u3002<\/p>\n

\u305d\u3053\u3067\u91cd\u8981\u306b\u306a\u308b\u306e\u304cTiered Storage<\/strong>\u3067\u3059\u3002\u983b\u7e41\u306b\u5229\u7528\u3059\u308b\u30c7\u30fc\u30bf\u3092\u30ed\u30fc\u30ab\u30eb\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u7f6e\u304d\u3001\u53e4\u3044\u30ed\u30b0\u30bb\u30b0\u30e1\u30f3\u30c8\u3092S3\u306a\u3069\u306e\u5916\u90e8\u30b9\u30c8\u30ec\u30fc\u30b8\u3078\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u30ed\u30fc\u30ab\u30eb\u30c7\u30a3\u30b9\u30af\u3068\u9577\u671f\u4fdd\u5b58\u3092\u5206\u96e2\u3067\u304d\u307e\u3059\u3002Kafka 4.x\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3082\u3001\u30ed\u30fc\u30ab\u30eb\u3068\u30ea\u30e2\u30fc\u30c8\u3068\u3044\u30462\u5c64\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u69cb\u6210\u304c\u8aac\u660e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306bKafka 4.3\u3067\u306f\u3001Tiered Storage\u3092\u5229\u7528\u3057\u305f\u30d5\u30a9\u30ed\u30ef\u30fc\u306e\u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7\u306b\u95a2\u3059\u308b\u6a5f\u80fd\u306a\u3069\u3082\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u305f\u3060\u3057Tiered Storage\u306f\u81ea\u52d5\u7684\u306b\u6709\u52b9\u306b\u306a\u308b\u6a5f\u80fd\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u4fdd\u6301\u671f\u9593\u3001\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u3001\u30af\u30e9\u30a6\u30c9\u30b9\u30c8\u30ec\u30fc\u30b8\u6599\u91d1\u3001\u5fa9\u65e7\u8981\u4ef6\u306a\u3069\u3092\u8003\u616e\u3057\u3066\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

<\/p>\n

Kafka\u306e\u4ee3\u8868\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n

Kafka\u306f\u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5178\u578b\u4f8b\u306f\u3001Web\u30b5\u30fc\u30d3\u30b9\u306e\u30a2\u30af\u30bb\u30b9\u30ed\u30b0\u3084\u64cd\u4f5c\u30a4\u30d9\u30f3\u30c8\u3092\u53ce\u96c6\u3059\u308b\u30ed\u30b0\u57fa\u76e4\u3001\u6ce8\u6587\u30fb\u6c7a\u6e08\u30fb\u5728\u5eab\u60c5\u5831\u3092\u9023\u643a\u3059\u308bEC\u57fa\u76e4\u3001\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u975e\u540c\u671f\u30a4\u30d9\u30f3\u30c8\u9023\u643a\u3001IoT\u30bb\u30f3\u30b5\u30fc\u304b\u3089\u306e\u5927\u91cf\u30c7\u30fc\u30bf\u53ce\u96c6\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306a\u3069\u3067\u3059\u3002<\/p>\n

AI\u30fbML\u9818\u57df\u3067\u3082\u3001Kafka\u306f\u30e2\u30c7\u30eb\u305d\u306e\u3082\u306e\u3068\u3044\u3046\u3088\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u3092AI\u51e6\u7406\u3078\u4f9b\u7d66\u3059\u308b\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3<\/strong>\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u884c\u52d5\u3084\u30bb\u30f3\u30b5\u30fc\u60c5\u5831\u3092Kafka\u3078\u96c6\u7d04\u3057\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3084\u7279\u5fb4\u91cf\u751f\u6210\u3092\u7d4c\u3066\u3001\u63a8\u8ad6\u30b7\u30b9\u30c6\u30e0\u3078\u6e21\u3059\u69cb\u6210\u3067\u3059\u3002<\/p>\n

\u3064\u307e\u308aKafka\u306f\u300cAI\u306e\u4ee3\u66ff\u300d\u3067\u306f\u306a\u304f\u3001AI\u304c\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u30c7\u30fc\u30bf\u6d41\u901a\u5c64\u3068\u3057\u3066\u8003\u3048\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

<\/p>\n

<\/p>\n

Kubernetes\u30fb\u30af\u30e9\u30a6\u30c9\u6642\u4ee3\u306eKafka<\/h2>\n

Kafka\u306e\u904b\u7528\u65b9\u6cd5\u3082\u5909\u5316\u3057\u3066\u3044\u307e\u3059\u3002Kubernetes\u4e0a\u3067\u306fStrimzi\u306a\u3069\u306eOperator\u3092\u5229\u7528\u3057\u3066Kafka\u30af\u30e9\u30b9\u30bf\u30fc\u3092\u7ba1\u7406\u3067\u304d\u3001\u30af\u30e9\u30a6\u30c9\u3067\u306fAmazon MSK\u3084Confluent Cloud\u306a\u3069\u306e\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u81ea\u524d\u904b\u7528\u3067\u306f\u3001\u30d6\u30ed\u30fc\u30ab\u30fc\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3001\u76e3\u8996\u3001\u969c\u5bb3\u5fa9\u65e7\u306a\u3069\u3092\u8a2d\u8a08\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u30de\u30cd\u30fc\u30b8\u30c9\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u30a4\u30f3\u30d5\u30e9\u904b\u7528\u306e\u8ca0\u62c5\u3092\u6291\u3048\u3089\u308c\u308b\u305f\u3081\u3001Kafka\u305d\u306e\u3082\u306e\u3088\u308a\u30c7\u30fc\u30bf\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306b\u96c6\u4e2d\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u91cd\u8981\u306a\u306e\u306f\u300cKafka\u3092\u4f7f\u3046\u304b\u300d\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u3069\u3053\u307e\u3067Kafka\u3092\u81ea\u793e\u3067\u904b\u7528\u3059\u308b\u306e\u304b<\/strong>\u3092\u6c7a\u3081\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

<\/p>\n

<\/p>\n

Kafka\u5c0e\u5165\u6642\u306b\u6ce8\u610f\u3057\u305f\u3044\u30dd\u30a4\u30f3\u30c8<\/h2>\n

Kafka\u306f\u9ad8\u3044\u62e1\u5f35\u6027\u3092\u6301\u3064\u4e00\u65b9\u3001\u5c0e\u5165\u3059\u308c\u3070\u81ea\u52d5\u7684\u306b\u9ad8\u901f\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u7279\u306b\u91cd\u8981\u306a\u306e\u304c\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u3001\u30ad\u30fc\u8a2d\u8a08\u3001\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u4fdd\u6301\u671f\u9593\u3001\u5727\u7e2e\u65b9\u5f0f\u3001Consumer\u306e\u30e9\u30b0\u3001\u518d\u51e6\u7406\u65b9\u6cd5\u306a\u3069\u3067\u3059\u3002\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u5897\u3084\u3057\u3059\u304e\u308c\u3070\u7ba1\u7406\u30b3\u30b9\u30c8\u3084\u30e1\u30bf\u30c7\u30fc\u30bf\u8ca0\u8377\u304c\u5897\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u9006\u306b\u5c11\u306a\u3059\u304e\u308c\u3070\u4e26\u5217\u51e6\u7406\u80fd\u529b\u3092\u5341\u5206\u306b\u6d3b\u304b\u305b\u307e\u305b\u3093\u3002<\/p>\n

\u307e\u305f\u3001\u30a4\u30d9\u30f3\u30c8\u306e\u30b9\u30ad\u30fc\u30de\u7ba1\u7406\u3082\u91cd\u8981\u3067\u3059\u3002JSON\u3092\u81ea\u7531\u306b\u6d41\u3059\u3060\u3051\u3067\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u306e\u5909\u66f4\u306b\u3088\u3063\u3066\u4e0b\u6d41\u30b7\u30b9\u30c6\u30e0\u304c\u58ca\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Schema Registry\u306a\u3069\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u4e92\u63db\u6027\u30eb\u30fc\u30eb\u3092\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u76e3\u8996\u3067\u306f\u3001\u30d6\u30ed\u30fc\u30ab\u30fc\u306eCPU\u3084\u30c7\u30a3\u30b9\u30af\u3060\u3051\u3067\u306a\u304f\u3001Consumer Lag\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3001\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u504f\u308a\u306a\u3069\u3092\u7d99\u7d9a\u7684\u306b\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002Kafka 3.7\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ec\u30d9\u30eb\u306e\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u6271\u3046\u4ed5\u7d44\u307f\u3082\u5c0e\u5165\u3055\u308c\u3001Observability\u306e\u5f37\u5316\u304c\u9032\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n

<\/p>\n\n\n

\u3053\u308c\u304b\u3089\u306eKafka\uff1a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u57fa\u76e4\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u57fa\u76e4\u3078<\/h2>\n\n\n\n

2026\u5e74\u306eKafka\u306f\u3001\u5358\u7d14\u306a\u300c\u9ad8\u901f\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u88fd\u54c1\u300d\u3068\u3044\u3046\u4f4d\u7f6e\u3065\u3051\u3060\u3051\u3067\u306f\u6349\u3048\u306b\u304f\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

KRaft\u306b\u3088\u308b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u7c21\u7d20\u5316\u3001Kafka Streams\u306b\u3088\u308b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3001Kafka Connect\u306b\u3088\u308b\u30c7\u30fc\u30bf\u9023\u643a\u3001Tiered Storage\u306b\u3088\u308b\u9577\u671f\u4fdd\u6301\u3001\u305d\u3057\u3066Kafka Queues\u306b\u3088\u308b\u65b0\u3057\u3044\u51e6\u7406\u30e2\u30c7\u30eb\u304c\u7d44\u307f\u5408\u308f\u3055\u308b\u3053\u3068\u3067\u3001Kafka\u306f\u4f01\u696d\u5185\u306e\u3055\u307e\u3056\u307e\u306a\u30a4\u30d9\u30f3\u30c8\u3092\u96c6\u7d04\u3059\u308b\u57fa\u76e4\u3078\u9032\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u30c7\u30fc\u30bf\u3092\u300c\u3069\u3053\u304b\u306b\u4fdd\u5b58\u3057\u3066\u5f8c\u304b\u3089\u4f7f\u3046\u3082\u306e\u300d\u304b\u3089\u300c\u767a\u751f\u3057\u305f\u77ac\u9593\u306b\u4fa1\u5024\u3078\u5909\u63db\u3059\u308b\u3082\u306e\u300d\u3078\u3068\u6349\u3048\u76f4\u3059\u3053\u3068\u3067\u3059\u3002\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5206\u6790\u3001IoT\u3001\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u3001AI\u63a8\u8ad6\u306a\u3069\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u5834\u5408\u3001Kafka\u306f\u305d\u308c\u305e\u308c\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u76f4\u63a5\u7d50\u5408\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30a4\u30d9\u30f3\u30c8\u3092\u4ecb\u3057\u3066\u758e\u7d50\u5408\u306b\u3064\u306a\u3050\u5f79\u5272\u3092\u62c5\u3048\u307e\u3059\u3002<\/p>\n\n\n\n

\u307e\u3068\u3081\uff1aKafka\u3092\u300c\u30c7\u30fc\u30bf\u306e\u901a\u308a\u9053\u300d\u304b\u3089\u300c\u30a4\u30d9\u30f3\u30c8\u57fa\u76e4\u300d\u3068\u3057\u3066\u8003\u3048\u308b<\/h2>\n\n\n\n

Apache Kafka\u306e\u73fe\u5728\u3092\u7406\u89e3\u3059\u308b\u9375\u306f\u3001KRaft\u3001\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u3001\u30c7\u30fc\u30bf\u9023\u643a\u3001\u9577\u671f\u4fdd\u5b58\u3001\u305d\u3057\u3066\u65b0\u3057\u3044\u30ad\u30e5\u30fc\u51e6\u7406\u30e2\u30c7\u30eb<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n

\u7279\u306bKafka 4.0\u3067ZooKeeper\u304c\u5b8c\u5168\u306b\u5ec3\u6b62\u3055\u308c\u305f\u3053\u3068\u306f\u3001Kafka\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3051\u308b\u5927\u304d\u306a\u8ee2\u63db\u70b9\u3067\u3057\u305f\u30022026\u5e74\u306e4.3\u7cfb\u3067\u306f\u3001\u3055\u3089\u306b\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u3001Streams\u3001Tiered Storage\u3001Connect\u3001\u76e3\u8996\u306a\u3069\u306e\u5468\u8fba\u6a5f\u80fd\u304c\u7d99\u7d9a\u7684\u306b\u6539\u5584\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

\u3053\u308c\u304b\u3089Kafka\u3092\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001\u300c\u3068\u308a\u3042\u3048\u305aKafka\u3092\u7f6e\u304f\u300d\u306e\u3067\u306f\u306a\u304f\u3001\u3069\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u6d41\u3057\u3001\u8ab0\u304c\u5229\u7528\u3057\u3001\u3069\u306e\u671f\u9593\u4fdd\u6301\u3057\u3001\u3069\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u518d\u51e6\u7406\u3059\u308b\u306e\u304b\u307e\u3067\u8a2d\u8a08\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n

Kafka\u306e\u672c\u8cea\u306f\u3001\u5358\u306a\u308b\u30c7\u30fc\u30bf\u8ee2\u9001\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f01\u696d\u3084\u30b5\u30fc\u30d3\u30b9\u3067\u767a\u751f\u3059\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u3001\u5fc5\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u3078\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u5c4a\u3051\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u57fa\u76e4<\/strong>\u3067\u3059\u3002AI\u3084\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5206\u6790\u304c\u3055\u3089\u306b\u666e\u53ca\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u3053\u306e\u300c\u30a4\u30d9\u30f3\u30c8\u3092\u4e2d\u5fc3\u306b\u30b7\u30b9\u30c6\u30e0\u3092\u8a2d\u8a08\u3059\u308b\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u306f\u3001\u3088\u308a\u91cd\u8981\u306b\u306a\u3063\u3066\u3044\u304f\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Apache Kafka\u306e\u57fa\u672c\u69cb\u9020\u304b\u3089KRaft\u3001Kafka Streams\u3001Kafka Connect\u3001Kafka Queues\u3001Tiered Storage\u307e\u3067\u3092\u5fb9\u5e95\u89e3\u8aac\u3002Kafka 4.3\u6642\u4ee3\u306e\u6700\u65b0\u6a5f\u80fd\u3001\u30af\u30e9\u30a6\u30c9\u30fb […]<\/p>\n","protected":false},"author":22,"featured_media":6035,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1249],"tags":[1015,1018,1017,1019,1016],"class_list":["post-6034","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-apachekafka","tag-kafkaconnect","tag-kafkastreams","tag-1019","tag-1016"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/6034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=6034"}],"version-history":[{"count":2,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/6034\/revisions"}],"predecessor-version":[{"id":9884,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/6034\/revisions\/9884"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/6035"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=6034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=6034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=6034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}