{"id":36469,"date":"2023-06-06T08:11:15","date_gmt":"2023-06-05T23:11:15","guid":{"rendered":"https:\/\/m9js.shop\/blog\/?p=36469"},"modified":"2023-06-06T08:11:15","modified_gmt":"2023-06-05T23:11:15","slug":"building-reliable-data-pipelines-using-spring-batch-and-apache-kafka","status":"publish","type":"post","link":"https:\/\/m9js.shop\/blog\/development\/building-reliable-data-pipelines-using-spring-batch-and-apache-kafka","title":{"rendered":"\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \ud65c\uc6a9\ud55c \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95"},"content":{"rendered":"

\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74 \uc18c\uac1c<\/h1>\n
\uc2a4\ud504\ub9c1 \ubc30\uce58(Spring Batch)\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74(Apache Kafka)\ub294 \uac01\uac01 \ub370\uc774\ud130 \ucc98\ub9ac\uc640 \uba54\uc2dc\uc9c0 \ud050\uc758 \ub300\ud45c\uc801\uc778 \uc624\ud508\uc18c\uc2a4 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. \ucd5c\uadfc \ub370\uc774\ud130 \ubd84\uc11d\uacfc \uc778\uacf5\uc9c0\ub2a5 \uae30\uc220\uc758 \ubc1c\uc804\uc73c\ub85c \ube45\ub370\uc774\ud130 \ucc98\ub9ac\uc640 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc758 \uc911\uc694\uc131\uc774 \ud06c\uac8c \ub300\ub450\ub418\uba74\uc11c, \uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\uc758 \ud65c\uc6a9\ub3c4\uac00 \ub192\uc544\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc2a4\ud504\ub9c1 \ubc30\uce58\ub294 \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\uc758 \uc77c\ud658\uc73c\ub85c \uac1c\ubc1c\ub41c \ubc30\uce58 \ucc98\ub9ac\uc6a9 \uc624\ud508\uc18c\uc2a4 \ud504\ub85c\uc81d\ud2b8\uc785\ub2c8\ub2e4. \ub300\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uace0, \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131, \uc815\ud569\uc131, \uc911\ubcf5\uc131 \ub4f1\uc744 \uccb4\ud06c\ud558\ub294 \ub4f1\uc758 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ubcf5\uc7a1\ud55c \ubc30\uce58 \uc791\uc5c5\uc744 \ub2e8\uc21c\ud55c \uc791\uc5c5 \ub2e8\uc704\ub85c \ubd84\ub9ac\ud558\uc5ec \uad00\ub9ac\ud560 \uc218 \uc788\uc5b4 \uac1c\ubc1c\uc790\uac00 \uc720\uc9c0\ubcf4\uc218\ud558\uae30 \uc6a9\uc774\ud569\ub2c8\ub2e4.<\/p>\n
\uc544\ud30c\uce58 \uce74\ud504\uce74\ub294 \ub300\uc6a9\ub7c9\uc758 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubd84\uc0b0 \uba54\uc2dc\uc9c0 \ud050\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uc0dd\uc0b0\ud558\ub294 Producer\uc640 \ub370\uc774\ud130\ub97c \uc18c\ube44\ud558\ub294 Consumer\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \ub610\ud55c, \ub2e4\uc591\ud55c API\uc640 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0 \ub2e4\uc591\ud55c \uc5b8\uc5b4\uc640 \ud50c\ub7ab\ud3fc\uc5d0\uc11c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95\uc758 \ud544\uc694\uc131<\/h1>\n
\ube45\ub370\uc774\ud130 \ucc98\ub9ac \ubc0f \ubd84\uc11d\uc5d0 \uc788\uc5b4\uc11c \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc740 \ub300\ub7c9\uc758 \ub370\uc774\ud130\ub97c \uc218\uc9d1, \uc804\ucc98\ub9ac, \uc800\uc7a5, \ubd84\uc11d, \uc2dc\uac01\ud654\ud558\ub294 \uacfc\uc815\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacfc\uc815\uc5d0\uc11c \ub370\uc774\ud130 \uc190\uc2e4, \uc911\ubcf5, \ubd88\uc77c\uce58, \uc9c0\uc5f0 \ub4f1\uc758 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc548\uc815\uc801\uc73c\ub85c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uace0, \ub370\uc774\ud130 \ud488\uc9c8\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n
\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubc30\uce58\ub294 \ub300\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uace0, \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131, \uc815\ud569\uc131, \uc911\ubcf5\uc131 \ub4f1\uc744 \uccb4\ud06c\ud558\ub294 \ub4f1\uc758 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ud30c\uce58 \uce74\ud504\uce74\ub294 \ub300\uc6a9\ub7c9\uc758 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubd84\uc0b0 \uba54\uc2dc\uc9c0 \ud050\ub85c, \ub370\uc774\ud130\ub97c \uc548\uc815\uc801\uc73c\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \ud65c\uc6a9\ud55c \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95 \ubc29\ubc95<\/h1>\n

1. \uc2a4\ud504\ub9c1 \ubc30\uce58\ub97c \uc774\uc6a9\ud55c \ub370\uc774\ud130 \ucc98\ub9ac<\/h2>\n
\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc758 \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 \ub370\uc774\ud130 \uc218\uc9d1\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \uc218\uc9d1\uc740 \ub300\ub7c9\uc758 \ub370\uc774\ud130\ub97c \uac00\uc838\uc640\uc11c \uc804\ucc98\ub9ac\ub97c \uc218\ud589\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc2a4\ud504\ub9c1 \ubc30\uce58\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc2a4\ud504\ub9c1 \ubc30\uce58\ub294 \ub300\uc6a9\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubc30\uce58 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ub370\uc774\ud130\ub97c Chunk \ub2e8\uc704\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4. Chunk \ub2e8\uc704\ub85c \ucc98\ub9ac\ud568\uc73c\ub85c\uc368 \ub300\uc6a9\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc2a4\ud504\ub9c1 \ubc30\uce58\ub294 \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac\ub97c \uc9c0\uc6d0\ud558\uae30 \ub54c\ubb38\uc5d0 \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

2. \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \uc774\uc6a9\ud55c \ub370\uc774\ud130 \uc804\ub2ec<\/h2>\n
\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc758 \ub450 \ubc88\uc9f8 \ub2e8\uacc4\ub294 \ub370\uc774\ud130 \uc804\ub2ec\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \uc804\ub2ec\uc740 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud55c \ud6c4 \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc804\ub2ec\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc544\ud30c\uce58 \uce74\ud504\uce74\ub294 \ub300\uc6a9\ub7c9\uc758 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubd84\uc0b0 \uba54\uc2dc\uc9c0 \ud050\ub85c, Producer\uc640 Consumer\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. Producer\ub294 \ub370\uc774\ud130\ub97c \uc0dd\uc131\ud558\uace0, Consumer\ub294 \ub370\uc774\ud130\ub97c \uc18c\ube44\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub300\uc6a9\ub7c9\uc758 \ub370\uc774\ud130\ub97c \uc548\uc815\uc801\uc73c\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

3. \uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \uc5f0\ub3d9\ud558\uc5ec \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95<\/h2>\n
\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \uc5f0\ub3d9\ud558\uc5ec \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubc30\uce58\uc5d0\uc11c \ucc98\ub9ac\ud55c \ub370\uc774\ud130\ub97c \uc544\ud30c\uce58 \uce74\ud504\uce74\ub85c \uc804\ub2ec\ud558\uace0, \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c \uc18c\ube44\ud55c \ub370\uc774\ud130\ub97c \ub2e4\uc2dc \uc2a4\ud504\ub9c1 \ubc30\uce58\ub85c \uc804\ub2ec\ud558\uc5ec \ucc98\ub9ac\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p>\n
\uc774\ub97c \uc704\ud574 \uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74 \uac01\uac01\uc758 \uc124\uc815\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubc30\uce58\uc5d0\uc11c\ub294 Reader\uc640 Writer\ub97c \uc544\ud30c\uce58 \uce74\ud504\uce74\uc640 \uc5f0\ub3d9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c\ub294 Producer\uc640 Consumer\ub97c \uc124\uc815\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/p>\n

4. \uc608\uc81c \ucf54\ub4dc<\/h2>\n

\ub2e4\uc74c\uc740 \uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \uc5f0\ub3d9\ud558\uc5ec \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \uc608\uc81c \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n

@Configuration\n@EnableBatchProcessing\npublic class BatchConfiguration {\n\n    @Autowired\n    private JobBuilderFactory jobBuilderFactory;\n\n    @Autowired\n    private StepBuilderFactory stepBuilderFactory;\n\n    @Autowired\n    private KafkaTemplate kafkaTemplate;\n\n    @Value(\"${kafka.topic}\")\n    private String kafkaTopic;\n\n    @Bean\n    public Job job() {\n        return this.jobBuilderFactory.get(\"job\")\n                .start(step())\n                .build();\n    }\n\n    @Bean\n    public Step step() {\n        return this.stepBuilderFactory.get(\"step\")\n                .chunk(10)\n                .reader(reader())\n                .writer(writer())\n                .build();\n    }\n\n    @Bean\n    public ItemReader reader() {\n        return new ListItemReader(Arrays.asList(\"1\", \"2\", \"3\"));\n    }\n\n    @Bean\n    public ItemWriter writer() {\n        return items -> {\n            for (String item : items) {\n                this.kafkaTemplate.send(this.kafkaTopic, item);\n            }\n        };\n    }\n\n    @Bean\n    public KafkaTemplate kafkaTemplate() {\n        return new KafkaTemplate(producerFactory());\n    }\n\n    @Bean\n    public ProducerFactory producerFactory() {\n        Map props = new HashMap();\n        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, \"localhost:9092\");\n        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);\n        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);\n        return new DefaultKafkaProducerFactory(props);\n    }\n}<\/code><\/pre>\n\uc548\uc815\uc131\uacfc \ud655\uc7a5\uc131\uc744 \uace0\ub824\ud55c \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95 \uc804\ub7b5<\/h1>\n
1. \uc548\uc815\uc131 \uace0\ub824<\/h2>\n\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \ub54c\ub294 \uc548\uc815\uc131\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130 \uc190\uc2e4, \uc911\ubcf5, \ubd88\uc77c\uce58, \uc9c0\uc5f0 \ub4f1\uc758 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uc804\ub7b5\uc744 \uace0\ub824\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
1) \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131 \ubcf4\uc7a5<\/h3>\n\ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\uc11c\ub294 \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac\ub97c \uc9c0\uc6d0\ud558\ub294 \uc2a4\ud504\ub9c1 \ubc30\uce58\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubc30\uce58\uc5d0\uc11c\ub294 Chunk \ub2e8\uc704\ub85c \ucc98\ub9ac\ud558\uba70, Chunk \ub2e8\uc704\ub85c \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac\ub97c \uc218\ud589\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2) \ub370\uc774\ud130\uc758 \uc911\ubcf5 \uc81c\uac70<\/h3>\n\ub370\uc774\ud130\uc758 \uc911\ubcf5\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c \uc911\ubcf5 \ub370\uc774\ud130\ub97c \ud544\ud130\ub9c1\ud558\ub294 \ubc29\uc2dd\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c\ub294 Consumer Group\uc744 \uc124\uc815\ud558\uc5ec \ub3d9\uc77c\ud55c Consumer Group \ub0b4\uc5d0\uc11c \uc911\ubcf5 \ub370\uc774\ud130\ub97c \ud544\ud130\ub9c1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3) \ub370\uc774\ud130\uc758 \ubd88\uc77c\uce58 \ubc29\uc9c0<\/h3>\n\ub370\uc774\ud130\uc758 \ubd88\uc77c\uce58\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130\uc758 \ud615\uc2dd\uacfc \uad6c\uc870\ub97c \ud1b5\uc77c\ud558\uace0, \ub370\uc774\ud130 \uc804\uc1a1 \uacfc\uc815\uc5d0\uc11c \ubcc0\ud658\ud558\ub294 \ubc29\uc2dd\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c\ub294 \ub370\uc774\ud130 \ubcc0\ud658\uc744 \uc704\ud55c Converter\ub97c \uc81c\uacf5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
4) \ub370\uc774\ud130\uc758 \uc9c0\uc5f0 \ubc29\uc9c0<\/h3>\n\ub370\uc774\ud130\uc758 \uc9c0\uc5f0\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c Producer\uc758 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \ubc29\uc2dd\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 Producer\uc758 \ubc30\uce58 \ucc98\ub9ac \ubc29\uc2dd\uc744 \uc124\uc815\ud558\uac70\ub098, \ub370\uc774\ud130 \uc804\uc1a1\uc744 \ube44\ub3d9\uae30 \ubc29\uc2dd\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \ubc29\uc2dd\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2. \ud655\uc7a5\uc131 \uace0\ub824<\/h2>\n\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \ub54c\ub294 \ud655\uc7a5\uc131\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ub300\uc6a9\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uace0, \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc18c\uc2a4\uc640 \ub300\uc0c1\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \uad6c\uc870\ub97c \uc124\uacc4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uc804\ub7b5\uc744 \uace0\ub824\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
1) \ubd84\uc0b0 \ucc98\ub9ac \uad6c\uc870 \uc124\uacc4<\/h3>\n\ub300\uc6a9\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c\ub294 \ubd84\uc0b0 \ucc98\ub9ac \uad6c\uc870\ub97c \uc124\uacc4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubc30\uce58\uc5d0\uc11c\ub294 \ubd84\uc0b0 \ucc98\ub9ac\ub97c \uc704\ud55c Partitioner\ub97c \uc81c\uacf5\ud558\uace0, \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c\ub294 Partition\uc744 \ud65c\uc6a9\ud558\uc5ec \ubd84\uc0b0 \ucc98\ub9ac\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
2) \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc18c\uc2a4\/\ub300\uc0c1 \ucc98\ub9ac<\/h3>\n\ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc18c\uc2a4\uc640 \ub300\uc0c1\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ub2e4\uc591\ud55c Reader\uc640 Writer\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ucee4\uc2a4\ud140 Reader\uc640 Writer\ub97c \uac1c\ubc1c\ud558\uc5ec \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc18c\uc2a4\uc640 \ub300\uc0c1\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
3) \uc720\uc5f0\ud55c \ud655\uc7a5\uc131 \uc81c\uacf5<\/h3>\n\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \ub54c\ub294 \uc720\uc5f0\ud55c \ud655\uc7a5\uc131\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc2a4\ud504\ub9c1 \ubc30\uce58\uc5d0\uc11c\ub294 Job\uacfc Step\uc744 \ub3c5\ub9bd\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uba70, \uc544\ud30c\uce58 \uce74\ud504\uce74\uc5d0\uc11c\ub294 Topic\uc744 \ud65c\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \uc1a1\uc218\uc2e0\uc744 \uad6c\ubd84\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uac01\uac01\uc758 \ucc98\ub9ac \ub2e8\uc704\ub97c \ub3c5\ub9bd\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\uace0, \ud544\uc694\uc5d0 \ub530\ub77c \ud655\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uacb0\ub860<\/h1>\n\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubc30\uce58\ub294 \ub300\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uace0, \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131, \uc815\ud569\uc131, \uc911\ubcf5\uc131 \ub4f1\uc744 \uccb4\ud06c\ud558\ub294 \ub4f1\uc758 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ud30c\uce58 \uce74\ud504\uce74\ub294 \ub300\uc6a9\ub7c9\uc758 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \ubd84\uc0b0 \uba54\uc2dc\uc9c0 \ud050\ub85c, \ub370\uc774\ud130\ub97c \uc548\uc815\uc801\uc73c\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud65c\uc6a9\ud558\uc5ec \uc548\uc815\uc801\uc774\uace0 \ud655\uc7a5\uc131 \uc788\ub294 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
“\uc2a4\ud504\ub9c1 \ubc30\uce58\uc640 \uc544\ud30c\uce58 \uce74\ud504\uce74\ub97c \ud65c\uc6a9\ud55c \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95” \uae30\uc220 \ub17c\ubb38.<\/p>\n","protected":false},"author":1,"featured_media":12882,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2119,2471,2105,2188,2156,5932],"class_list":["post-36469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-api","tag-configuration","tag-java","tag-public","tag-spring","tag-spring-boot"],"acf":[],"_links":{"self":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/36469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/comments?post=36469"}],"version-history":[{"count":1,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/36469\/revisions"}],"predecessor-version":[{"id":36500,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/36469\/revisions\/36500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media\/12882"}],"wp:attachment":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media?parent=36469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/categories?post=36469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/tags?post=36469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}