{"id":773,"date":"2023-08-09T10:06:28","date_gmt":"2023-08-09T02:06:28","guid":{"rendered":"https:\/\/zhaocunwei.co.uk\/?p=773"},"modified":"2023-08-09T10:13:53","modified_gmt":"2023-08-09T02:13:53","slug":"hdfs","status":"publish","type":"post","link":"https:\/\/zhaocunwei.co.uk\/index.php\/2023\/08\/09\/hdfs\/","title":{"rendered":"\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22"},"content":{"rendered":"

\u524d\u8a00<\/h1>\n

\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22\uff0c\u5177\u4f53\u7684\u642d\u5efa\u6b65\u9aa4\u547d\u4ee4\u884c\uff0c\u8fd8\u6709Springboot\u5b9e\u73b0\u6587\u4ef6\u5b9e\u65f6\u4f20\u8f93\uff0c\u65ad\u70b9\u4f20\u8f93\uff0c\u5206\u7247\u4f20\u8f93\u6d4b\u8bd5\u4ee3\u7801\u5b9e\u73b0<\/p>\n

\u64cd\u4f5c\u6b65\u9aa4<\/h1>\n

1.\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u6280\u672f\uff1a \u9009\u62e9\u9002\u5408\u4f60\u9700\u6c42\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u6280\u672f\uff0c\u5982Hadoop HDFS\u3001Ceph\u3001GlusterFS\u7b49\u3002<\/p>\n

2.\u642d\u5efa\u96c6\u7fa4\uff1a \u90e8\u7f72\u591a\u53f0\u670d\u52a1\u5668\uff0c\u7ec4\u6210\u5b58\u50a8\u96c6\u7fa4\u3002\u6bcf\u53f0\u670d\u52a1\u5668\u4e0a\u90fd\u9700\u8981\u5b89\u88c5\u6240\u9009\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u8f6f\u4ef6\u3002<\/p>\n

3.\u914d\u7f6e\u8282\u70b9\uff1a \u914d\u7f6e\u5404\u4e2a\u8282\u70b9\u7684\u7f51\u7edc\u8bbe\u7f6e\u3001\u4e3b\u673a\u540d\u3001\u9632\u706b\u5899\u89c4\u5219\u7b49\u3002<\/p>\n

4.\u6570\u636e\u5206\u5e03\u548c\u5197\u4f59\uff1a \u914d\u7f6e\u6570\u636e\u5206\u5e03\u7b56\u7565\u548c\u5197\u4f59\u7b56\u7565\uff0c\u786e\u4fdd\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u548c\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n

5.\u76d1\u63a7\u548c\u6545\u969c\u6062\u590d\uff1a \u914d\u7f6e\u76d1\u63a7\u7cfb\u7edf\uff0c\u5b9e\u65f6\u76d1\u6d4b\u5b58\u50a8\u96c6\u7fa4\u7684\u72b6\u6001\uff0c\u8bbe\u7f6e\u6545\u969c\u81ea\u52a8\u6062\u590d\u673a\u5236\u3002<\/p>\n

6.\u6d4b\u8bd5\u548c\u4f18\u5316\uff1a \u8fdb\u884c\u8d1f\u8f7d\u6d4b\u8bd5\u3001\u6545\u969c\u6a21\u62df\u7b49\uff0c\u4e0d\u65ad\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

\u5b89\u88c5Hadoop\uff1a<\/p>\n

# \u4e0b\u8f7dHadoop\u5b89\u88c5\u5305\nwget https:\/\/downloads.apache.org\/hadoop\/common\/hadoop-3.3.1\/hadoop-3.3.1.tar.gz\n# \u89e3\u538b\u5b89\u88c5\u5305\ntar -xzvf hadoop-3.3.1.tar.gz\n# \u914d\u7f6e\u73af\u5883\u53d8\u91cf\nexport HADOOP_HOME=\/path\/to\/hadoop-3.3.1\nexport PATH=$PATH:$HADOOP_HOME\/bin:$HADOOP_HOME\/sbin<\/code><\/pre>\n
\u914d\u7f6eHDFS\uff1a<\/p>\n
\u7f16\u8f91$HADOOP_HOME\/etc\/hadoop\/core-site.xml\u548c$HADOOP_HOME\/etc\/hadoop\/hdfs-site.xml\u6587\u4ef6\uff0c\u914d\u7f6eNameNode\u548cDataNode\u7b49\u4fe1\u606f\u3002<\/code><\/pre>\n
\u542f\u52a8HDFS\uff1a<\/p>\n
# \u683c\u5f0f\u5316NameNode\nhdfs namenode -format\n# \u542f\u52a8HDFS\u96c6\u7fa4\nstart-dfs.sh<\/code><\/pre>\n
Spring Boot\u5b9e\u73b0\u6587\u4ef6\u5b9e\u65f6\u4f20\u8f93\u3001\u65ad\u70b9\u4f20\u8f93\u548c\u5206\u7247\u4f20\u8f93\u7684\u4ee3\u7801\u5b9e\u73b0<\/h1>\n
\u5b9e\u65f6\u4f20\u8f93\uff1a \u4f7f\u7528Spring Boot\u521b\u5efaRESTful API\uff0c\u63a5\u53d7\u6587\u4ef6\u4e0a\u4f20\u8bf7\u6c42\uff0c\u7136\u540e\u5728Controller\u4e2d\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002
\n\u65ad\u70b9\u4f20\u8f93\uff1a \u4f7f\u7528\u65ad\u70b9\u7eed\u4f20\u6280\u672f\uff0c\u5728\u4e0a\u4f20\u6587\u4ef6\u7684\u540c\u65f6\u8bb0\u5f55\u5df2\u4f20\u8f93\u7684\u4f4d\u7f6e\uff0c\u65ad\u70b9\u65f6\u53ef\u4ee5\u4ece\u4e0a\u6b21\u4f20\u8f93\u4f4d\u7f6e\u7ee7\u7eed\u4e0a\u4f20\u3002
\n\u5206\u7247\u4f20\u8f93\uff1a \u5c06\u5927\u6587\u4ef6\u5207\u5206\u6210\u5c0f\u5757\uff0c\u5206\u6279\u4e0a\u4f20\uff0c\u670d\u52a1\u7aef\u63a5\u53d7\u5e76\u5408\u5e76\u8fd9\u4e9b\u5c0f\u5757\u3002<\/p>\n
@RestController\n@RequestMapping("\/api\/files")\npublic class FileUploadController {\n    @PostMapping("\/upload")\n    public ResponseEntity<String> uploadFile(@RequestParam("file") MultipartFile file) {\n        \/\/ \u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u903b\u8f91\n        \/\/ \u8fd9\u91cc\u53ef\u4ee5\u4fdd\u5b58\u6587\u4ef6\u5230\u670d\u52a1\u5668\u3001\u6570\u636e\u5e93\u7b49\n        return ResponseEntity.ok("File uploaded successfully.");\n    }\n}<\/code><\/pre>\n
\u5b9e\u73b0\u65ad\u70b9\u4f20\u8f93\u548c\u5206\u7247\u4f20\u8f93\uff1a<\/p>\n
@RestController\n@RequestMapping("\/api\/files")\npublic class FileUploadController {\n    private final Map<String, Long> uploadStatus = new ConcurrentHashMap<>();\n    @PostMapping("\/upload")\n    public ResponseEntity<String> uploadFile(\n            @RequestParam("file") MultipartFile file,\n            @RequestParam("startByte") Long startByte,\n            @RequestParam("totalBytes") Long totalBytes\n    ) {\n        String fileName = file.getOriginalFilename();\n        try {\n            \/\/ \u68c0\u67e5\u662f\u5426\u4e3a\u65ad\u70b9\u7eed\u4f20\n            Long uploadedBytes = uploadStatus.get(fileName);\n            if (uploadedBytes == null) {\n                uploadedBytes = 0L;\n            }\n            \/\/ \u5b9a\u4f4d\u6587\u4ef6\n            RandomAccessFile raf = new RandomAccessFile(fileName, "rw");\n            raf.seek(uploadedBytes);\n            \/\/ \u8bfb\u53d6\u5e76\u5199\u5165\u6570\u636e\n            byte[] bytes = file.getBytes();\n            raf.write(bytes);\n            \/\/ \u66f4\u65b0\u5df2\u4e0a\u4f20\u5b57\u8282\u6570\n            uploadedBytes += bytes.length;\n            uploadStatus.put(fileName, uploadedBytes);\n            \/\/ \u68c0\u67e5\u662f\u5426\u4e0a\u4f20\u5b8c\u6574\n            if (uploadedBytes >= totalBytes) {\n                uploadStatus.remove(fileName);\n                raf.close();\n                return ResponseEntity.ok("File uploaded successfully.");\n            } else {\n                raf.close();\n                return ResponseEntity.ok("Partial upload successful.");\n            }\n        } catch (Exception e) {\n            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("File upload failed.");\n        }\n    }\n}<\/code><\/pre>\n
\u4f7f\u7528Docker\u5728\u591a\u53f0\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u4e00\u4e2a\u7b80\u5355\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u96c6\u7fa4<\/h1>\n
\u521b\u5efa\u4e00\u4e2a\u540d\u4e3adocker-compose.yml\u7684\u6587\u4ef6\uff0c\u7528\u4e8e\u5b9a\u4e49\u96c6\u7fa4\u4e2d\u7684\u4e0d\u540c\u5bb9\u5668<\/p>\n
version: '3'\nservices:\n  redis-node1:\n    image: redis:latest\n    container_name: redis-node1\n    ports:\n      - "6379:6379"\n    networks:\n      - redis-net\n    command: redis-server --port 6379\n  redis-node2:\n    image: redis:latest\n    container_name: redis-node2\n    ports:\n      - "6380:6379"\n    networks:\n      - redis-net\n    command: redis-server --port 6379\nnetworks:\n  redis-net:\n    driver: bridge<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u524d\u8a00 \u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22\uff0c\u5177\u4f53\u7684\u642d\u5efa\u6b65\u9aa4\u547d\u4ee4\u884c\uff0c\u8fd8\u6709Springboo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false},"categories":[1],"tags":[],"aioseo_notices":[],"yoast_head":"\n\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22 - \u672c\u7f51\u7ad9\u5206\u4eab\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684bug<\/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:\/\/zhaocunwei.co.uk\/index.php\/2023\/08\/09\/hdfs\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22 - \u672c\u7f51\u7ad9\u5206\u4eab\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684bug\" \/>\n<meta property=\"og:description\" content=\"\u524d\u8a00 \u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22\uff0c\u5177\u4f53\u7684\u642d\u5efa\u6b65\u9aa4\u547d\u4ee4\u884c\uff0c\u8fd8\u6709Springboo […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zhaocunwei.co.uk\/index.php\/2023\/08\/09\/hdfs\/\" \/>\n<meta property=\"og:site_name\" content=\"\u672c\u7f51\u7ad9\u5206\u4eab\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684bug\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-09T02:06:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-09T02:13:53+00:00\" \/>\n<meta name=\"author\" content=\"\u603b\u662f\u5e78\u798f\u7684\u8001\u8c4c\u8c46\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u603b\u662f\u5e78\u798f\u7684\u8001\u8c4c\u8c46\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zhaocunwei.co.uk\/index.php\/2023\/08\/09\/hdfs\/\",\"url\":\"https:\/\/zhaocunwei.co.uk\/index.php\/2023\/08\/09\/hdfs\/\",\"name\":\"\u642d\u5efa\u4e00\u4e2a\u9ad8\u53ef\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\uff0c\u652f\u6301\u9ad8\u5e76\u53d1\uff0c\u9ad8\u53ef\u7528\uff0c\u65b9\u4fbf\u68c0\u7d22 - 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