{"id":36551,"date":"2025-05-10T21:55:57","date_gmt":"2025-05-10T13:55:57","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/36551.html"},"modified":"2025-05-10T21:55:57","modified_gmt":"2025-05-10T13:55:57","slug":"%e5%85%83%e6%95%b0%e6%8d%ae%e7%9a%84%e5%ae%88%e6%8a%a4%e8%80%85%ef%bc%9a%e4%ba%91%e5%ad%98%e5%82%a8%e7%b3%bb%e7%bb%9f%e4%b8%ad%e5%91%bd%e5%90%8d%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e8%a7%92%e8%89%b2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/36551.html","title":{"rendered":"\u5143\u6570\u636e\u7684\u5b88\u62a4\u8005\uff1a\u4e91\u5b58\u50a8\u7cfb\u7edf\u4e2d\u547d\u540d\u670d\u52a1\u5668\u7684\u89d2\u8272\u4e0e\u8bbe\u8ba1\u5965\u79d8"},"content":{"rendered":"<p>\u5728\u4efb\u4f55\u4e91\u5b58\u50a8\u5e73\u53f0&#xff0c;\u5ba2\u6237\u7aef\u770b\u89c1\u7684\u662f\u6613\u8bfb\u8def\u5f84\u6216\u5bf9\u8c61\u952e&#xff0c;\u800c\u5e95\u5c42\u4fdd\u5b58\u7684\u5374\u662f\u88ab\u5206\u7247\u3001\u590d\u5236\u3001\u52a0\u5bc6\u5e76\u6563\u843d\u5728\u5168\u7403\u6570\u5343\u78c1\u76d8\u4e0a\u7684\u5b9e\u9645\u6570\u636e\u3002\u8fde\u63a5\u8fd9\u4e24\u5c42\u4e16\u754c\u7684\u5173\u952e\u67a2\u7ebd\u662f \u547d\u540d\u670d\u52a1\u5668&#xff1a;\u5b83\u7ef4\u62a4\u6587\u4ef6\u4e0e\u5bf9\u8c61\u7684\u547d\u540d\u7a7a\u95f4\u3001\u8bb0\u5f55\u6bcf\u4e2a\u6570\u636e\u5757\u6216\u5bf9\u8c61\u526f\u672c\u7684\u7cbe\u786e\u4f4d\u7f6e&#xff0c;\u5e76\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u4fdd\u8bc1\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u4e0e\u53ef\u6062\u590d\u6027\u3002HDFS \u7684 NameNode\u3001GFS \u7684 Master\u3001Ceph \u7684 MDS\/MON \u65cf\u3001OpenStack Swift \u7684 Proxy \u4ee5\u53ca\u5bf9\u8c61\u5b58\u50a8\u4e2d\u7684 \u5206\u533a\u5143\u6570\u636e\u5e93 \u90fd\u662f\u8fd9\u4e00\u601d\u60f3\u7684\u4e0d\u540c\u843d\u5730\u3002\u7406\u89e3\u5b83\u4eec\u7684\u8bbe\u8ba1\u6743\u8861&#xff0c;\u5bf9\u4e8e\u6784\u5efa\u9ad8\u53ef\u9760\u3001\u5927\u89c4\u6a21\u3001\u4f4e\u65f6\u5ef6\u7684\u4e91\u539f\u751f\u5b58\u50a8\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<hr \/>\n<h3>\u547d\u540d\u4e3a\u4f55\u5728\u4e91\u5b58\u50a8\u91cc\u6210\u4e3a\u9996\u8981\u95ee\u9898<\/h3>\n<ul>\n<li>\n<p>\u76ee\u5f55\u5c42\u6b21\u3001\u5bf9\u8c61\u952e\u4e0e ACL \u7b49\u5143\u4fe1\u606f\u4e0d\u4f1a\u968f\u6570\u636e\u6269\u5bb9\u81ea\u52a8\u751f\u957f&#xff0c;\u9700\u8981\u72ec\u7acb\u670d\u52a1\u8ddf\u8e2a&#xff1b;\u8fd9\u5c31\u662f\u547d\u540d\u670d\u52a1\u5668\u5b58\u5728\u7684\u6839\u672c\u7406\u7531\u3002(Database Trends and Applications)<\/p>\n<\/li>\n<li>\n<p>\u5f53\u8282\u70b9\u6570\u7a81\u7834\u4e0a\u5343\u3001\u6570\u636e\u91cf\u8fc8\u5165 PB \u4e43\u81f3 EB \u7ea7&#xff0c;\u4e00\u6b21 ls \u6216 head \u8bf7\u6c42\u82e5\u8ba9\u5ba2\u6237\u7aef\u904d\u5386\u5168\u90e8\u8282\u70b9&#xff0c;\u5c06\u4e0d\u53ef\u63a5\u53d7&#xff1b;\u96c6\u4e2d\u6216\u5206\u5e03\u5f0f\u5143\u670d\u52a1\u628a\u8fd9\u4e00\u6b65\u9aa4\u6536\u655b\u5230 \u4e00\u6b21\u6216\u6570\u6b21 \u7f51\u7edc\u8df3\u6570\u3002(SpringerLink)<\/p>\n<\/li>\n<\/ul>\n<h3>\u540d\u79f0\u670d\u52a1\u5668\u7684\u6838\u5fc3\u804c\u80fd<\/h3>\n<table>\n<tr>\u804c\u80fd\u5173\u952e\u70b9\u5178\u578b\u6280\u672f<\/tr>\n<tbody>\n<tr>\n<td>\u547d\u540d\u7a7a\u95f4\u7ba1\u7406<\/td>\n<td>\u8def\u5f84 \u2192 inode\/id \u6620\u5c04&#xff1b;\u652f\u6301\u91cd\u547d\u540d\u3001\u8f6f\u94fe\u63a5\u3001\u914d\u989d<\/td>\n<td>B \u6811\u3001LSM\u3001\u76ee\u5f55\u5206\u7247<\/td>\n<\/tr>\n<tr>\n<td>\u4f4d\u7f6e\u6620\u5c04<\/td>\n<td>inode\/id \u2192 \u526f\u672c\u7269\u7406\u4f4d\u7f6e<\/td>\n<td>\u4e00\u81f4\u6027\u54c8\u5e0c\u3001CRUSH\u3001ring<\/td>\n<\/tr>\n<tr>\n<td>\u5143\u6570\u636e\u4e00\u81f4\u6027<\/td>\n<td>\u5e76\u53d1\u4fee\u6539\u51b2\u7a81\u68c0\u6d4b<\/td>\n<td>\u4e50\u89c2\u9501 &#043; \u7248\u672c\u53f7\u3001Leases<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u53ef\u7528<\/td>\n<td>\u6545\u969c\u8f6c\u79fb\u3001\u6062\u590d\u987a\u5e8f<\/td>\n<td>Paxos \/ Raft\u3001\u53cc\u6d3b\u9009\u4e3b<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u4e0e\u5ba1\u8ba1<\/td>\n<td>ACL\u3001\u79df\u7ea6\u3001\u8bbf\u95ee\u8ffd\u8e2a<\/td>\n<td>Kerberos\u3001Token\u3001\u5ba1\u8ba1\u65e5\u5fd7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5143\u6570\u636e\u53ea\u5360\u603b\u5b58\u50a8\u5bb9\u91cf\u7684\u51e0\u4e2a\u767e\u5206\u70b9&#xff0c;\u5374\u662f\u7cfb\u7edf\u53ef\u7528\u6027\u7684\u54bd\u5589&#xff1b;\u4efb\u4f55\u5931\u771f\u90fd\u4f1a\u5bfc\u81f4\u201c\u6570\u636e\u4ecd\u5728\u78c1\u76d8\u5374\u6c38\u8fdc\u627e\u4e0d\u5230\u201d\u7684\u707e\u96be\u3002(Apache Hadoop, Google Research)<\/p>\n<h3>\u5178\u578b\u5b9e\u73b0\u4e00\u89c8<\/h3>\n<h4>Hadoop HDFS NameNode<\/h4>\n<p>\u5355\u4e3b\u67b6\u6784\u7b80\u5316\u4e86\u903b\u8f91&#xff1a;\u6240\u6709\u76ee\u5f55\u7ed3\u6784\u3001\u5757\u6620\u5c04\u4fdd\u5b58\u5728\u70ed\u70b9\u5185\u5b58\u4e2d&#xff0c;\u5e76\u4ee5 fsimage &#043; editlog \u65b9\u5f0f\u843d\u76d8&#xff1b;\u4ee5 checkpoint \u628a\u70ed\u65e5\u5fd7\u5408\u5e76\u5230\u5feb\u7167&#xff0c;\u964d\u4f4e\u91cd\u542f\u65f6\u95f4\u3002(Apache Hadoop, Cloudera Documentation) \u9ad8\u53ef\u7528\u7248\u672c\u901a\u8fc7 JournalNode \u590d\u5236 editlog&#xff0c;\u4ee5 ZooKeeper \u534f\u8c03\u4e3b\u5907\u5207\u6362&#xff0c;\u7f13\u89e3\u4e86\u5355\u70b9\u98ce\u9669\u3002(GeeksforGeeks)<\/p>\n<h4>Google File System \/ Colossus<\/h4>\n<p>GFS Master \u8bb0\u5f55\u6587\u4ef6\u2192Chunk \u5217\u8868\u4e0e\u526f\u672c\u4f4d\u7f6e&#xff1b;Colossus \u8fdb\u4e00\u6b65\u5c06\u5143\u4fe1\u606f\u5206\u7247\u3001\u53bb\u4e2d\u5fc3\u5316&#xff0c;\u5e76\u628a Chunk \u7f29\u5c0f\u81f3 1MB&#xff0c;\u4ee5\u652f\u6301\u5b9e\u65f6\u6d41\u5a92\u4f53\u548c\u641c\u7d22\u7d22\u5f15\u5199\u5165\u3002(Google Research, WIRED)<\/p>\n<h4>Ceph MON &#043; MDS<\/h4>\n<ul>\n<li>\n<p>MON \u4f7f\u7528 Paxos \u6295\u7968\u7ef4\u62a4\u6574\u96c6\u7fa4\u56fe&#xff0c;\u5305\u62ec OSD map \u4e0e CRUSH \u89c4\u5219\u3002(Ceph Documentation, Wikipedia)<\/p>\n<\/li>\n<li>\n<p>MDS \u4ec5\u5728 CephFS \u573a\u666f\u4e0b\u542f\u52a8&#xff0c;\u8d1f\u8d23 POSIX \u76ee\u5f55\u6811&#xff1b;\u53ef\u6a2a\u5411\u6269\u5c55\u5230 N \u53f0\u5e76\u52a8\u6001\u5e73\u8861 inodes\u3002(Red Hat Documentation)<\/p>\n<\/li>\n<\/ul>\n<h4>OpenStack Swift Proxy<\/h4>\n<p>\u8bf7\u6c42\u5165\u53e3 Proxy \u6839\u636e\u73af\u5f62\u4e00\u81f4\u6027\u54c8\u5e0c\u8868\u5c06\u5bf9\u8c61\u8def\u7531\u81f3\u5bf9\u5e94\u5b58\u50a8\u8282\u70b9&#xff0c;\u540c\u65f6\u7f13\u5b58\u5bf9\u8c61\u2192\u5206\u7247\u4f4d\u7f6e\u6620\u5c04&#xff1b;\u56e0\u4e3a\u5b83\u662f\u65e0\u72b6\u6001\u8fdb\u7a0b&#xff0c;\u53ef\u8f7b\u677e\u6c34\u5e73\u6269\u5bb9\u907f\u514d\u74f6\u9888\u3002(OpenStack Docs)<\/p>\n<h4>\u516c\u6709\u4e91\u5bf9\u8c61\u5b58\u50a8<\/h4>\n<ul>\n<li>\n<p>Amazon S3 \u628a\u6876\u548c\u5bf9\u8c61\u952e\u62c6\u5206\u4e3a partition&#xff0c;\u6bcf\u4e2a\u5206\u533a\u7ef4\u62a4\u72ec\u7acb\u5143\u6570\u636e\u5e93&#xff0c;\u5e76\u4f7f\u7528 key prefix \u2192 partition \u54c8\u5e0c\u8def\u7531&#xff0c;\u914d\u5408\u4e00\u81f4\u6027\u70ed\u5ea6\u8fc1\u79fb\u3002(Amazon Web Services, Inc.)<\/p>\n<\/li>\n<li>\n<p>Azure Blob Storage \u91c7\u7528 DNS &#043; \u8def\u5f84\u7f16\u7801\u65b9\u5f0f&#xff0c;\u524d\u7f00\u76f4\u63a5\u6620\u5c04\u5230\u8d26\u6237\u5206\u533a&#xff0c;\u518d\u7531\u540e\u7aef\u5143\u670d\u52a1\u5668\u89e3\u6790\u5c42\u7ea7\u76ee\u5f55\u4e0e\u5c5e\u6027\u3002(Microsoft Learn)<\/p>\n<\/li>\n<li>\n<p>\u963f\u91cc\u5df4\u5df4 Pangu \u901a\u8fc7 \u4e09\u526f\u672c Paxos \u4fdd\u62a4\u5143\u6570\u636e&#xff0c;\u5199\u8def\u5f84\u53ea\u9700\u4e00\u6b21 RTT \u5373\u63d0\u4ea4&#xff0c;\u8bfb\u6d41\u91cf\u5c31\u8fd1\u8def\u7531\u3002(Alibaba Cloud)<\/p>\n<\/li>\n<\/ul>\n<h4>\u5b66\u672f\u89c6\u89d2&#xff1a;OceanStore \u4e0e\u672a\u6765\u5168\u5c40\u547d\u540d<\/h4>\n<p>OceanStore \u65e9\u5728 2000 \u5e74\u5c31\u63d0\u51fa \u5168\u7403\u53ef\u53d8\u957f\u5ea6 GUID \u65b9\u6848&#xff1a;\u5c06\u540d\u5b57\u5206\u7ea7\u6563\u5e03\u4e8e\u5730\u7406\u57df&#xff0c;\u4efb\u4f55\u5ba2\u6237\u7aef\u53ef\u5728\u6700\u8fd1\u526f\u672c\u89e3\u6790&#xff1b;\u8be5\u7406\u5ff5\u4eca\u65e5\u5728 serverless metadata \u4e0a\u518d\u5ea6\u590d\u6d3b\u3002(People at UChicago)<\/p>\n<h3>\u8bbe\u8ba1\u6311\u6218\u4e0e\u6280\u672f\u8981\u70b9<\/h3>\n<li>\n<p>\u6269\u5c55\u6027 \u5143\u4fe1\u606f\u91cf\u4e0e\u6587\u4ef6\u6570\u8fd1\u7ebf\u6027\u589e\u957f\u3002\u4e1a\u754c\u91c7\u7528 \u76ee\u5f55\u6563\u5217 &#043; \u5b50\u6811\u5206\u7247 \u6216 \u8868\u683c\u5206\u533a&#xff0c;\u5e76\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u8fc1\u79fb\u5206\u533a&#xff0c;\u4ee5\u907f\u514d\u70ed\u76ee\u5f55\u6210\u4e3a\u70ed\u70b9\u3002(SpringerLink)<\/p>\n<\/li>\n<li>\n<p>\u9ad8\u53ef\u7528\u4e0e\u4e00\u81f4\u6027 Paxos \u4e0e Raft \u662f\u4e8b\u5b9e\u6807\u51c6&#xff1a;\u901a\u8fc7\u6cd5\u5b9a\u7968\u6570\u5199\u5165\u65e5\u5fd7&#xff0c;\u518d\u5f02\u6b65\u5e94\u7528\u5230\u5185\u5b58\u72b6\u6001\u673a&#xff0c;\u505a\u5230\u4e86\u8bfb\u5199\u7ebf\u6027\u4e00\u81f4\u800c\u4e0d\u635f\u6027\u80fd\u3002(Medium, Medium, CNCF)<\/p>\n<\/li>\n<li>\n<p>\u6027\u80fd\u4f18\u5316<\/p>\n<ul>\n<li>\n<p>\u5199\u653e\u5927&#xff1a;\u5143\u6570\u636e\u5e38\u5e38\u5f88\u5c0f&#xff0c;\u5408\u5e76\u65e5\u5fd7\u3001\u6279\u91cf\u63d0\u4ea4\u53ef\u51cf\u5c11\u968f\u673a\u5199\u3002<\/p>\n<\/li>\n<li>\n<p>\u5ba2\u6237\u7aef\u7f13\u5b58&#xff1a;\u79df\u7ea6\u6216 version ID \u63a7\u5236\u5931\u6548&#xff0c;\u964d\u4f4e RTT\u3002<\/p>\n<\/li>\n<li>\n<p>\u96f6\u62f7\u8d1d\u8bfb\u53d6&#xff1a;\u5bf9\u8c61\u5b58\u50a8\u8ba9\u6570\u636e\u5e73\u9762\u76f4\u901a\u5b58\u50a8\u8282\u70b9&#xff0c;\u547d\u540d\u670d\u52a1\u5668\u53ea\u8fd4\u56de\u4f4d\u7f6e\u4fe1\u606f\u3002(Apache Hadoop)<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u53ef\u89c2\u5bdf\u6027\u4e0e\u591a\u79df\u6237\u5b89\u5168 \u7ec6\u7c92\u5ea6\u5ba1\u8ba1\u65e5\u5fd7\u652f\u6301\u5408\u89c4&#xff1b;\u591a\u79df\u6237\u9694\u79bb\u9700\u5728\u5143\u670d\u52a1\u5c42\u9762\u6267\u884c ACL \u548c\u914d\u989d\u9632\u6b62\u566a\u58f0\u90bb\u5c45\u6548\u5e94\u3002(Microsoft Learn, Amazon Web Services, Inc.)<\/p>\n<\/li>\n<h3>\u8d8b\u52bf\u4e0e\u5c55\u671b<\/h3>\n<ul>\n<li>\n<p>\u591a\u4e3b\u5143\u6570\u636e&#xff1a;Colossus \u5df2\u5c55\u73b0\u5168\u6d3b Master \u7684\u53ef\u884c\u6027&#xff1b;\u66f4\u591a\u7cfb\u7edf\u6b63\u628a Paxos\/Raft \u591a\u4e3b\u63a8\u5e7f\u5230\u5168\u5c40\u3002(WIRED)<\/p>\n<\/li>\n<li>\n<p>Serverless Metadata&#xff1a;\u4ee5\u51fd\u6570\u5373\u670d\u52a1\u8fd0\u884c\u5143\u670d\u52a1&#xff0c;\u6839\u636e\u8d1f\u8f7d\u77ac\u65f6\u6269\u7f29&#xff0c;\u6bcf\u6beb\u79d2\u8ba1\u8d39&#xff0c;\u63d0\u5347\u6210\u672c\u5f39\u6027\u3002<\/p>\n<\/li>\n<li>\n<p>AI \u9a71\u52a8\u667a\u80fd\u5e03\u5c40&#xff1a;\u5206\u6790\u8bbf\u95ee\u6a21\u5f0f\u540e\u91cd\u6392\u5206\u7247&#xff0c;\u63d0\u9ad8\u9884\u53d6\u547d\u4e2d\u7387\u5e76\u964d\u4f4e\u5c3e\u5ef6\u8fdf\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>Python \u6781\u7b80\u793a\u4f8b&#xff1a;\u952e\u503c\u578b\u547d\u540d\u670d\u52a1\u5668\u539f\u578b<\/h3>\n<p>import socketserver, json, threading<\/p>\n<p>class NameDB:<br \/>\n    def __init__(self):<br \/>\n        self._lock &#061; threading.Lock()<br \/>\n        self._table &#061; {}          # \u8def\u5f84 -&gt; [\u4f4d\u7f6e\u5217\u8868]<\/p>\n<p>    def put(self, path, locations):<br \/>\n        with self._lock:<br \/>\n            self._table[path] &#061; locations<\/p>\n<p>    def get(self, path):<br \/>\n        with self._lock:<br \/>\n            return self._table.get(path, None)<\/p>\n<p>db &#061; NameDB()<\/p>\n<p>class Handler(socketserver.BaseRequestHandler):<br \/>\n    def handle(self):<br \/>\n        data &#061; self.request.recv(4096).decode()<br \/>\n        req &#061; json.loads(data)<br \/>\n        if req[&#039;op&#039;] &#061;&#061; &#039;put&#039;:<br \/>\n            db.put(req[&#039;path&#039;], req[&#039;loc&#039;])<br \/>\n            self.request.sendall(b&#039;OK&#039;)<br \/>\n        elif req[&#039;op&#039;] &#061;&#061; &#039;get&#039;:<br \/>\n            loc &#061; db.get(req[&#039;path&#039;])<br \/>\n            self.request.sendall(json.dumps(loc).encode())<\/p>\n<p>if __name__ &#061;&#061; &#039;__main__&#039;:<br \/>\n    server &#061; socketserver.ThreadingTCPServer((&#039;0.0.0.0&#039;, 9000), Handler)<br \/>\n    threading.Thread(target&#061;server.serve_forever, daemon&#061;True).start()<br \/>\n    print(&#039;NameServer listening on 9000&#039;)<\/p>\n<p>\u8fd9\u4e00\u767e\u4f59\u884c\u7684\u7c97\u964b\u811a\u672c\u7528\u7ebf\u7a0b\u9501\u4fdd\u969c\u5e76\u53d1\u5b89\u5168&#xff0c;\u6f14\u793a\u4e86\u8def\u5f84\u2192\u7269\u7406\u4f4d\u7f6e\u6620\u5c04\u7684\u6700\u5c0f\u95ed\u73af&#xff1a;\u5ba2\u6237\u7aef\u5199\u5165\u6216\u67e5\u8be2\u5143\u4fe1\u606f\u65f6&#xff0c;\u53ea\u548c\u547d\u540d\u670d\u52a1\u5668\u4ea4\u4e92\u4e00\u6b21\u5373\u53ef\u62ff\u5230\u6570\u636e\u8282\u70b9\u5217\u8868&#xff1b;\u5728\u771f\u6b63\u751f\u4ea7\u7cfb\u7edf\u91cc&#xff0c;\u4f60\u9700\u8981\u66ff\u6362\u9501\u4e3a Raft\u3001\u5c06\u8868\u6301\u4e45\u5316\u4e3a write\u2011ahead log \u5e76\u5b9e\u73b0\u79df\u7ea6\u4e0e\u5feb\u7167\u3002<\/p>\n<hr \/>\n<p>\u901a\u8fc7\u68b3\u7406\u4e0a\u6587&#xff0c;\u6211\u4eec\u53d1\u73b0&#xff1a;\u547d\u540d\u670d\u52a1\u5668\u867d\u4e0d\u76f4\u63a5\u5b58\u7528\u6237\u6bd4\u7279&#xff0c;\u5374\u51b3\u5b9a\u4e86\u4e91\u5b58\u50a8\u7684 \u53ef\u9760\u6027\u3001\u5ef6\u8fdf \u4e0e \u6c34\u5e73\u6269\u5c55\u4e0a\u9650\u3002\u9762\u5411\u672a\u6765\u7684\u8bbe\u8ba1\u6b63\u4ece\u201c\u5355\u4e3b\u5185\u5b58\u5b57\u5178\u201d\u6f14\u8fdb\u5230\u201c\u591a\u4e3b &#043; \u5171\u8bc6 &#043; \u70ed\u81ea\u8fc1\u79fb\u201d\u4e43\u81f3 serverless 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