{"id":34740,"date":"2026-08-02T08:00:11","date_gmt":"2026-08-02T00:00:11","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-much-more-durable-is-pmem-than-ssd\/"},"modified":"2026-08-03T09:11:44","modified_gmt":"2026-08-03T01:11:44","slug":"how-much-more-durable-is-pmem-than-ssd","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-much-more-durable-is-pmem-than-ssd\/","title":{"rendered":"PMem \u7684\u8010\u4e45\u5ea6\u6bd4 SSD \u9ad8\u591a\u5c11\uff1f"},"content":{"rendered":"\n<p>\n      \u5728\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u67b6\u6784<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/tokyo\/\" target=\"_blank\">sample word<\/a>\u4e2d\uff0cPMem \u8010\u4e45\u5ea6\u5e38\u5e38\u88ab\u8ba8\u8bba\u6210\u4e00\u4e2a\u53ef\u4ee5\u76f4\u63a5\u5957\u7528\u5230 SSD \u5bff\u547d\u4e0a\u7684\u7b80\u5355\u500d\u6570\u3002\u4f46\u8fd9\u79cd\u8868\u8ff0\u867d\u7136\u65b9\u4fbf\uff0c\u5374\u5e76\u4e0d\u7b26\u5408\u771f\u5b9e\u7cfb\u7edf\u7684\u8fd0\u884c\u65b9\u5f0f\u3002\u5de5\u7a0b\u5e08\u4e0d\u4f1a\u628a\u6301\u4e45\u5185\u5b58\u548c\u95ea\u5b58\u5b58\u50a8\u7b80\u5355\u585e\u8fdb\u540c\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u7136\u540e\u671f\u5f85\u5f97\u5230\u4e00\u4e2a\u5e72\u51c0\u5229\u843d\u7684\u80dc\u8005\u3002\u4ed6\u4eec\u4f1a\u628a\u4e0d\u540c\u4ecb\u8d28\u653e\u5728 I\/O \u8def\u5f84\u4e2d\u7684\u4e0d\u540c\u5c42\u7ea7\uff0c\u518d\u53bb\u89c2\u5bdf\u5199\u5165\u653e\u5927\u3001\u7f13\u5b58\u7ed5\u8fc7\u3001\u6545\u969c\u57df\u3001\u6301\u4e45\u5316\u8bed\u4e49\u4ee5\u53ca\u6062\u590d\u884c\u4e3a\u3002Linux \u4e2d\u7684\u6301\u4e45\u5185\u5b58\u901a\u8fc7\u4e13\u95e8\u7684\u975e\u6613\u5931\u6027\u5185\u5b58\u5b50\u7cfb\u7edf\u652f\u6301\u8fdb\u884c\u66b4\u9732\uff0c\u5e76\u4e14\u5728\u67d0\u4e9b\u90e8\u7f72\u4e2d\u53ef\u4ee5\u914d\u5408 DAX \u98ce\u683c\u6620\u5c04\uff0c\u4ee5\u51cf\u5c11\u5757\u5c42\u5f00\u9500\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c<a href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-configure-ssd-storage-to-speed-up-map-loading\/\" target=\"_blank\">SSD<\/a> \u7684\u8010\u4e45\u5ea6\u4f9d\u7136\u9ad8\u5ea6\u4f9d\u8d56\u5177\u4f53\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5e76\u4e14\u4f1a\u53d7\u5230\u5757\u64e6\u9664\u3001\u5783\u573e\u56de\u6536\u3001\u53ef\u7528\u7a7a\u95f4\u548c\u5199\u5165\u6a21\u5f0f\u7684\u5171\u540c\u5f71\u54cd\u3002\n    <\/p>\n<h2><strong>\u6301\u4e45\u5185\u5b58\u7a76\u7adf\u6539\u53d8\u4e86\u4ec0\u4e48<\/strong><\/h2>\n<p>\n      \u5bf9\u6280\u672f\u8bfb\u8005\u800c\u8a00\uff0c\u6301\u4e45\u5185\u5b58\u4e4b\u6240\u4ee5\u6709\u8da3\uff0c\u5728\u4e8e\u5b83\u628a\u5b58\u50a8\u8ba8\u8bba\u4ece\u7eaf\u7cb9\u7684\u5757 I\/O \u8fdb\u4e00\u6b65\u62c9\u8fd1\u5230\u5185\u5b58\u8bed\u4e49\u5c42\u9762\u3002\u5b83\u4e0d\u518d\u628a\u6bcf\u4e00\u6b21\u8010\u4e45\u5199\u5165\u90fd\u89c6\u4e3a\u5fc5\u987b\u7a7f\u8d8a\u4f20\u7edf\u5b58\u50a8\u6808\u7684\u4e00\u6b21\u65c5\u884c\uff0c\u800c\u662f\u5141\u8bb8\u8f6f\u4ef6\u4ee5\u66f4\u63a5\u8fd1\u5b57\u8282\u5bfb\u5740\u6301\u4e45\u533a\u57df\u7684\u65b9\u5f0f\u8fdb\u884c\u4ea4\u4e92\uff0c\u4ece\u800c\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u964d\u4f4e\u8f6f\u4ef6\u8def\u5f84\u4e0a\u7684\u6469\u64e6\u3002Linux \u5173\u4e8e\u6301\u4e45\u5185\u5b58\u7684\u6587\u6863\u5f3a\u8c03\u4e86 namespace\u3001\u9762\u5411 DAX \u7684\u6a21\u5f0f\uff0c\u4ee5\u53ca\u9002\u7528\u4e8e\u6587\u4ef6\u7cfb\u7edf\u6216\u8bbe\u5907\u7684\u76f4\u63a5\u6620\u5c04\u65b9\u5f0f\uff0c\u8fd9\u4e9b\u673a\u5236\u4f7f\u5176\u5728\u9700\u8981\u65f6\u80fd\u591f\u7ed5\u8fc7\u4f20\u7edf\u9875\u7f13\u5b58\u548c\u90e8\u5206\u5757\u8def\u5f84\u3002\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u6240\u6709\u5de5\u4f5c\u8d1f\u8f7d\u90fd\u4f1a\u66f4\u5feb\uff0c\u4e5f\u4e0d\u4ee3\u8868\u6240\u6709\u90e8\u7f72\u90fd\u4f1a\u66f4\u7b80\u5355\uff0c\u4f46\u5b83\u786e\u5b9e\u6539\u53d8\u4e86\u5ef6\u8fdf\u548c\u78e8\u635f\u7d2f\u79ef\u7684\u4f4d\u7f6e\u3002\n    <\/p>\n<p>\n      \u771f\u6b63\u4e0e\u8010\u4e45\u5ea6\u76f8\u5173\u7684\u5f71\u54cd\u5176\u5b9e\u66f4\u5fae\u5999\u3002PMem \u5e76\u4e0d\u53ea\u662f\u201c\u66f4\u5feb\u7684\u5b58\u50a8\u201d\u3002\u5b83\u662f\u4ee5\u4e0d\u540c\u8bbf\u95ee\u8bed\u4e49\u66b4\u9732\u51fa\u6765\u7684\u5b58\u50a8\u3002\u8fd9\u4e00\u70b9\u4e4b\u6240\u4ee5\u91cd\u8981\uff0c\u662f\u56e0\u4e3a\u751f\u4ea7\u73af\u5883\u4e2d\u7684\u8010\u4e45\u5ea6\u66f4\u591a\u53d6\u51b3\u4e8e\u8f6f\u4ef6\u591a\u4e45\u89e6\u53d1\u4e00\u6b21\u6301\u4e45\u5316\u5c4f\u969c\u3001\u5199\u5165\u662f\u5426\u8db3\u591f\u7ec6\u788e\u3001\u6a21\u5f0f\u662f\u5426\u8db3\u591f\u968f\u673a\uff0c\u4ee5\u53ca\u5b58\u50a8\u6808\u662f\u5426\u5fc5\u987b\u4e0d\u65ad\u91cd\u5199\u5143\u6570\u636e\u3002\u4e00\u65e6\u8bbf\u95ee\u6a21\u578b\u53d1\u751f\u6539\u53d8\uff0c\u78e8\u635f\u6a21\u578b\u4e5f\u4f1a\u968f\u4e4b\u6539\u53d8\u3002\n    <\/p>\n<h2><strong>\u4e3a\u4ec0\u4e48 SSD \u7684\u8010\u4e45\u5ea6\u5f88\u96be\u4e00\u6982\u800c\u8bba<\/strong><\/h2>\n<p>\n      \u5728\u8bb8\u591a\u5b9e\u9645\u670d\u52a1\u5668\u573a\u666f\u4e2d\uff0cSSD \u76f8\u8f83\u4e8e\u4f20\u7edf\u673a\u68b0\u4ecb\u8d28\u5df2\u7ecf\u76f8\u5f53\u8010\u7528\uff0c\u4f46\u5b83\u7684\u78e8\u635f\u884c\u4e3a\u4f9d\u7136\u53d7\u95ea\u5b58\u7279\u6027\u548c\u63a7\u5236\u5668\u7b56\u7565\u7ea6\u675f\u3002\u4e1a\u5185\u5173\u4e8e SSD \u8010\u4e45\u5ea6\u7684\u6307\u5bfc\u8d44\u6599\u53cd\u590d\u6307\u51fa\uff0c\u5176\u53ef\u7528\u5bff\u547d\u4f1a\u968f\u7740\u968f\u673a\u5199\u4e0e\u987a\u5e8f\u5199\u3001\u5757\u5927\u5c0f\u3001\u9884\u7559\u7a7a\u95f4\u4ee5\u53ca\u8fc7\u91cf\u9884\u7559\u7684\u4e0d\u540c\u800c\u53d1\u751f\u660e\u663e\u53d8\u5316\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u201cSSD \u8010\u4e45\u5ea6\u201d\u8fd9\u4e2a\u8bf4\u6cd5\u80cc\u540e\u5176\u5b9e\u9690\u85cf\u7740\u5927\u91cf\u53d8\u91cf\u3002\u63d0\u4f9b\u8ffd\u52a0\u5199\u65e5\u5fd7\u7684\u5b58\u50a8\u8282\u70b9\uff0c\u4e0e\u5143\u6570\u636e\u5bc6\u96c6\u578b\u6570\u636e\u5e93\u5f15\u64ce\u7684\u8868\u73b0\u5e76\u4e0d\u76f8\u540c\uff0c\u800c\u8fd9\u4e24\u8005\u53c8\u4e0e\u4ee5\u8bfb\u4e3a\u4e3b\u3001\u53ea\u505a\u5468\u671f\u6027\u68c0\u67e5\u70b9\u7684\u7f13\u5b58\u5c42\u5b8c\u5168\u4e0d\u540c\u3002\n    <\/p>\n<ul>\n<li>\u5c0f\u5757\u968f\u673a\u5199\u901a\u5e38\u6bd4\u5927\u5757\u987a\u5e8f\u5199\u66f4\u5bb9\u6613\u538b\u8feb\u95ea\u5b58\u8f6c\u6362\u5c42\u3002<\/li>\n<li>\u9891\u7e41\u7684\u540c\u6b65\u64cd\u4f5c\u4f1a\u66b4\u9732\u5c3e\u5ef6\u8fdf\uff0c\u5e76\u52a0\u5267\u5185\u90e8\u6574\u7406\u8d1f\u62c5\u3002<\/li>\n<li>\u7a7a\u95f4\u7d27\u5f20\u5f80\u5f80\u4f1a\u63d0\u5347\u5199\u5165\u653e\u5927\uff0c\u5e76\u524a\u5f31\u6027\u80fd\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u8bfb\u5199\u6df7\u5408\u6d41\u91cf\u5728\u6d4b\u8bd5\u4e2d\u53ef\u80fd\u8868\u73b0\u5065\u5eb7\uff0c\u4f46\u4ecd\u4f1a\u8ba9\u4ecb\u8d28\u627f\u53d7\u4e0d\u5747\u5300\u8001\u5316\u3002<\/li>\n<\/ul>\n<p>\n      \u6b63\u56e0\u5982\u6b64\uff0c\u4efb\u4f55\u58f0\u79f0 PMem \u201c\u6bd4 SSD \u8010\u4e45\u591a\u5c11\u500d\u201d\u7684\u8bf4\u6cd5\uff0c\u90fd\u503c\u5f97\u5de5\u7a0b\u5e08\u4fdd\u6301\u8b66\u60d5\u3002\u5982\u679c\u6ca1\u6709\u8bf4\u660e\u5199\u5165\u6a21\u5f0f\u3001\u961f\u5217\u6df1\u5ea6\u3001\u6301\u4e45\u5316\u6a21\u578b\u4ee5\u53ca\u8f6f\u4ef6\u6808\uff0c\u90a3\u8fd9\u4e2a\u7ed3\u8bba\u51e0\u4e4e\u6ca1\u6709\u5de5\u7a0b\u610f\u4e49\u3002\n    <\/p>\n<h2><strong>\u90a3\u4e48\uff0cPMem \u771f\u7684\u6bd4 SSD \u66f4\u8010\u4e45\u5417\uff1f<\/strong><\/h2>\n<p>\n      \u4ece\u5b9e\u9645\u7cfb\u7edf\u8bbe\u8ba1\u6765\u770b\uff0c\u7b54\u6848\u901a\u5e38\u662f\u80af\u5b9a\u7684\uff1a\u5728\u90a3\u4e9b\u5bf9\u4f4e\u5ef6\u8fdf\u6301\u4e45\u5316\u8def\u5f84\u8981\u6c42\u4e25\u82db\u7684\u573a\u666f\u4e2d\uff0c\u6301\u4e45\u5185\u5b58\u5f80\u5f80\u4f1a\u88ab\u89c6\u4e3a\u66f4\u80fd\u627f\u53d7\u9ad8\u5f3a\u5ea6\u5199\u5165\u7684\u5c42\u7ea7\u3002\u6765\u81ea\u6807\u51c6\u7ec4\u7ec7\u4ee5\u53ca\u5185\u6838\u76f8\u5173\u6280\u672f\u8d44\u6599\u7684\u5185\u5bb9\uff0c\u901a\u5e38\u90fd\u628a\u6301\u4e45\u5185\u5b58\u653e\u5728\u4e0e\u57fa\u4e8e NAND \u7684 SSD \u4e0d\u540c\u7684\u5c42\u6b21\u4e2d\uff0c\u5e76\u5f3a\u8c03\u95ea\u5b58\u4ecb\u8d28\u4e0e\u5185\u5b58\u7ea7\u6301\u4e45\u5316\u6982\u5ff5\u4e4b\u95f4\u5728\u8010\u4e45\u6027\u4e0a\u7684\u5dee\u5f02\u3002\u8fd9\u624d\u662f\u66f4\u6709\u4ef7\u503c\u7684\u56de\u7b54\u3002\u81f3\u4e8e\u4e0d\u592a\u6709\u610f\u4e49\u7684\u56de\u7b54\uff0c\u5219\u662f\u786c\u628a\u8fd9\u79cd\u5dee\u5f02\u538b\u7f29\u6210\u4e00\u4e2a\u7edf\u4e00\u500d\u6570\u3002\u56e0\u4e3a\u8010\u4e45\u5ea6\u53d6\u51b3\u4e8e\u4ecb\u8d28\u3001\u63a7\u5236\u5668\u6a21\u578b\u3001\u6301\u4e45\u5316\u7c92\u5ea6\uff0c\u4ee5\u53ca\u5e94\u7528\u63d0\u4ea4\u72b6\u6001\u7684\u65b9\u5f0f\u3002\n    <\/p>\n<p>\n      \u5bf9\u5de5\u7a0b\u5e08\u6765\u8bf4\uff0c\u66f4\u51c6\u786e\u7684\u8bf4\u6cd5\u662f\uff1a\u5f53\u5de5\u4f5c\u8d1f\u8f7d\u4ee5\u9891\u7e41\u3001\u7ec6\u7c92\u5ea6\u3001\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u8010\u4e45\u5199\u5165\u4e3a\u4e3b\uff0c\u800c\u8fd9\u4e9b\u5199\u5165\u672c\u4f1a\u4e25\u91cd\u6298\u78e8 SSD \u7684\u95ea\u5b58\u8f6c\u6362\u548c\u5783\u573e\u56de\u6536\u673a\u5236\u65f6\uff0cPMem \u5f80\u5f80\u80fd\u5c55\u73b0\u51fa\u6700\u660e\u663e\u7684\u8010\u4e45\u4f18\u52bf\u3002\u5982\u679c\u4f60\u7684\u5b58\u50a8\u6808\u4e3b\u8981\u662f\u5927\u5bf9\u8c61\u987a\u5e8f\u6d41\u5f0f\u5199\u5165\uff0c\u6216\u8005\u53ea\u662f\u63d0\u4f9b\u9759\u6001\u5185\u5bb9\u670d\u52a1\uff0c\u90a3\u4e48\u8fd9\u79cd\u8010\u4e45\u4f18\u52bf\u53ef\u80fd\u4e3b\u8981\u505c\u7559\u5728\u7eb8\u9762\u4e0a\uff0c\u800c\u4e0d\u4e00\u5b9a\u663e\u8457\u6539\u53d8\u8fd0\u7ef4\u7ed3\u679c\u3002\n    <\/p>\n<h2><strong>\u5728\u54ea\u4e9b\u5de5\u4f5c\u8d1f\u8f7d\u4e0b\uff0c\u8fd9\u79cd\u5dee\u8ddd\u4f1a\u771f\u6b63\u4f53\u73b0\u51fa\u6765<\/strong><\/h2>\n<p>\n      \u53ea\u6709\u628a\u8010\u4e45\u5ea6\u8ba8\u8bba\u653e\u5230\u5177\u4f53\u5de5\u4f5c\u8d1f\u8f7d\u4e2d\uff0c\u95ee\u9898\u624d\u4f1a\u53d8\u5f97\u660e\u786e\u3002\u5bf9\u4e8e\u8fd0\u884c\u670d\u52a1\u5668\u79df\u7528\u6216\u670d\u52a1\u5668\u6258\u7ba1\u5e73\u53f0\u7684\u6280\u672f\u8bfb\u8005\u800c\u8a00\uff0c\u4ee5\u4e0b\u51e0\u7c7b\u6a21\u5f0f\u901a\u5e38\u662f PMem \u66f4\u5bb9\u6613\u4f53\u73b0\u67b6\u6784\u4ef7\u503c\u7684\u5730\u65b9\uff1a\n    <\/p>\n<ol>\n<li>\n        <strong>\u4e8b\u52a1\u65e5\u5fd7\u4e0e\u65e5\u5fd7\u8d26\u672c\u3002<\/strong> \u90a3\u4e9b\u9700\u8981\u4ee5\u5f88\u9ad8\u9891\u7387\u5f3a\u5236\u6267\u884c\u8010\u4e45\u63d0\u4ea4\u7684\u7cfb\u7edf\uff0c\u5f80\u5f80\u4f1a\u5728\u6301\u4e45\u5316\u66f4\u63a5\u8fd1\u5185\u5b58\u8bed\u4e49\u800c\u4e0d\u662f\u4f20\u7edf\u5757\u8def\u5f84\u65f6\u83b7\u76ca\u3002\n      <\/li>\n<li>\n        <strong>\u5143\u6570\u636e\u5bc6\u96c6\u578b\u670d\u52a1\u3002<\/strong> \u6587\u4ef6\u7cfb\u7edf\u5143\u6570\u636e\u3001\u5c0f\u5bf9\u8c61\u7d22\u5f15\u4ee5\u53ca\u6709\u72b6\u6001\u63a7\u5236\u9762\u7684\u6570\u636e\uff0c\u5e38\u5e38\u4f1a\u4ea7\u751f\u5927\u91cf\u7ec6\u5c0f\u66f4\u65b0\uff0c\u800c\u8fd9\u4e9b\u66f4\u65b0\u5bf9\u4e8e\u95ea\u5b58\u540e\u7aef\u6765\u8bf4\u901a\u5e38\u4ee3\u4ef7\u5f88\u9ad8\u3002\n      <\/li>\n<li>\n        <strong>\u9891\u7e41\u505a\u68c0\u67e5\u70b9\u7684\u7f13\u5b58\u7cfb\u7edf\u3002<\/strong> \u4e00\u4e9b\u670d\u52a1\u5e0c\u671b\u5728\u91cd\u542f\u540e\u4fdd\u7559\u6062\u590d\u80fd\u529b\uff0c\u4f46\u53c8\u4e0d\u60f3\u6bcf\u6b21\u8010\u4e45\u72b6\u6001\u5207\u6362\u90fd\u627f\u62c5\u5b8c\u6574\u5757\u8bbe\u5907\u5ef6\u8fdf\uff0c\u8fd9\u65f6\u6301\u4e45\u5185\u5b58\u5c31\u53ef\u4ee5\u5728\u6613\u5931\u6027\u5185\u5b58\u4e0e\u8f83\u6162\u5b58\u50a8\u4e4b\u95f4\u5145\u5f53\u6865\u6881\u3002\n      <\/li>\n<li>\n        <strong>\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u72b6\u6001\u673a\u3002<\/strong> \u6301\u4e45\u5316\u961f\u5217\u3001\u9501\u8bb0\u5f55\u548c\u9884\u5199\u7ed3\u6784\u8fd9\u7c7b\u7ec4\u4ef6\uff0c\u5f80\u5f80\u5173\u5fc3\u7684\u5e76\u4e0d\u662f\u7edd\u5bf9\u541e\u5410\uff0c\u800c\u662f\u6301\u4e45\u5316\u884c\u4e3a\u662f\u5426\u8db3\u591f\u53ef\u9884\u6d4b\u3002\n      <\/li>\n<\/ol>\n<p>\n      \u8fd9\u4e9b\u573a\u666f\u4e0e Linux \u6301\u4e45\u5185\u5b58\u652f\u6301\u6240\u66b4\u9732\u7684\u80fd\u529b\u9ad8\u5ea6\u5951\u5408\uff1a\u5305\u62ec namespace \u7ba1\u7406\u3001\u652f\u6301 DAX \u7684\u6a21\u5f0f\uff0c\u4ee5\u53ca\u5728\u9002\u5f53\u60c5\u51b5\u4e0b\u5e2e\u52a9\u8f6f\u4ef6\u7ed5\u8fc7\u4f20\u7edf\u5b58\u50a8\u6808\u90e8\u5206\u8def\u5f84\u7684\u76f4\u63a5\u8bbf\u95ee\u884c\u4e3a\u3002\n    <\/p>\n<h2><strong>\u4e3a\u4ec0\u4e48\u8bbf\u95ee\u8def\u5f84\u6bd4\u4ecb\u8d28\u6807\u7b7e\u66f4\u91cd\u8981<\/strong><\/h2>\n<p>\n      \u5de5\u7a0b\u5e08\u6709\u65f6\u4f1a\u628a PMem \u548c SSD \u7684\u6bd4\u8f83\uff0c\u8bef\u89e3\u4e3a\u53ea\u8981\u770b\u4ecb\u8d28\u5c5e\u6027\u5c31\u80fd\u5f97\u51fa\u8010\u4e45\u7ed3\u8bba\u3002\u4f46\u5728\u751f\u4ea7\u73af\u5883\u91cc\uff0c\u8bbf\u95ee\u8def\u5f84\u5f80\u5f80\u6bd4\u4ecb\u8d28\u672c\u8eab\u66f4\u91cd\u8981\u3002\u4e00\u6761\u8010\u4e45\u5199\u5165\u5982\u679c\u9700\u8981\u7a7f\u8fc7\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58\u3001\u5757\u8c03\u5ea6\u5668\u3001\u8f6c\u6362\u5c42\u548c\u4ecb\u8d28\u7ba1\u7406\u903b\u8f91\uff0c\u5b83\u5bf9\u786c\u4ef6\u5bff\u547d\u7684\u5f71\u54cd\uff0c\u663e\u7136\u4e0d\u4f1a\u4e0e\u901a\u8fc7\u6301\u4e45\u5316\u611f\u77e5\u7684\u5185\u5b58\u8def\u5f84\u76f4\u63a5\u843d\u76d8\u76f8\u540c\u3002\u8fd9\u5176\u4e2d\u5e76\u6ca1\u6709\u4ec0\u4e48\u795e\u79d8\u4e4b\u5904\uff0c\u6838\u5fc3\u5728\u4e8e\u6808\u6df1\u3001\u7c92\u5ea6\u548c\u5185\u90e8\u91cd\u5199\u673a\u5236\u3002\n    <\/p>\n<ul>\n<li>\u5757\u5b58\u50a8\u901a\u5e38\u4f1a\u5bf9\u5199\u5165\u8fdb\u884c\u6279\u5904\u7406\u548c\u91cd\u6620\u5c04\u3002<\/li>\n<li>\u95ea\u5b58\u4ecb\u8d28\u968f\u7740\u65f6\u95f4\u63a8\u79fb\u5fc5\u987b\u64e6\u9664\u5e76\u91cd\u7ec4\u5757\u3002<\/li>\n<li>\u7ec6\u5c0f\u66f4\u65b0\u5f80\u5f80\u4f1a\u5728\u5185\u90e8\u6f14\u5316\u6210\u66f4\u5927\u7684\u5199\u5165\u3002<\/li>\n<li>\u5177\u5907\u6301\u4e45\u5316\u8bed\u4e49\u7684\u5185\u5b58\u8def\u5f84\u5219\u53ef\u80fd\u51cf\u5c11\u8fd9\u7c7b\u989d\u5916\u6298\u817e\u3002<\/li>\n<\/ul>\n<p>\n      \u5185\u6838\u6587\u6863\u660e\u786e\u533a\u5206\u4e86 PMEM \u4e0e BLK \u98ce\u683c\u884c\u4e3a\uff0c\u800c DAX \u76f8\u5173\u6a21\u5f0f\u4e4b\u6240\u4ee5\u5b58\u5728\uff0c\u6b63\u662f\u56e0\u4e3a\u6709\u4e9b\u5e94\u7528\u66f4\u5e0c\u671b\u83b7\u5f97\u76f4\u63a5\u6620\u5c04\uff0c\u800c\u4e0d\u662f\u4f9d\u8d56\u4f20\u7edf\u7f13\u5b58 I\/O\u3002\u8fd9\u79cd\u533a\u522b\u4e0d\u4ec5\u5173\u7cfb\u5230\u6027\u80fd\uff0c\u540c\u6837\u4e5f\u662f\u8010\u4e45\u5ea6\u5dee\u5f02\u7684\u6838\u5fc3\u3002\n    <\/p>\n<h2><strong>\u670d\u52a1\u5668\u79df\u7528\u4e0e\u670d\u52a1\u5668\u6258\u7ba1\u573a\u666f\u4e2d\u7684 PMem \u4e0e SSD<\/strong><\/h2>\n<p>\n      \u5bf9\u670d\u52a1\u5668\u79df\u7528\u670d\u52a1\u5546\u548c\u670d\u52a1\u5668\u6258\u7ba1\u8fd0\u8425\u65b9\u6765\u8bf4\uff0c\u8010\u4e45\u5ea6\u4ece\u6765\u4e0d\u53ea\u662f\u4e00\u4e2a\u786c\u4ef6\u53c2\u6570\uff0c\u5b83\u66f4\u662f\u4e00\u79cd\u8fd0\u8425\u5c5e\u6027\u3002\u95ee\u9898\u4e0d\u53ea\u662f PMem \u662f\u5426\u80fd\u6bd4 SSD \u627f\u53d7\u66f4\u82db\u523b\u7684\u5199\u5165\u884c\u4e3a\uff0c\u800c\u662f\u8fd9\u79cd\u4f18\u52bf\u662f\u5426\u771f\u7684\u80fd\u591f\u6539\u5584\u4f60\u7684\u5e73\u53f0\u7ecf\u6d4e\u6027\u3002\u82e5\u4e00\u5957\u96c6\u7fa4\u4e3b\u8981\u7528\u4e8e\u63d0\u4f9b\u7f51\u9875\u5185\u5bb9\u3001\u6784\u5efa\u4ea7\u7269\u3001\u955c\u50cf\u4ed3\u5e93\u6216\u5907\u4efd\u76ee\u6807\uff0c\u90a3\u4e48\u628a\u8010\u4e45\u72b6\u6001\u8fc1\u79fb\u5230\u6301\u4e45\u5185\u5b58\u4e0a\uff0c\u53ef\u80fd\u5e76\u4e0d\u4f1a\u5e26\u6765\u591a\u5c11\u5b9e\u8d28\u6536\u76ca\u3002\u76f8\u53cd\uff0c\u5982\u679c\u4e00\u5957\u5e73\u53f0\u627f\u8f7d\u7684\u662f\u9ad8\u9891\u53d8\u5316\u7684\u63a7\u5236\u670d\u52a1\u3001\u4f1a\u8bdd\u5b58\u50a8\u3001\u65e5\u5fd7\u7ed3\u6784\u5316\u72b6\u6001\uff0c\u6216\u662f\u4f4e\u5ef6\u8fdf\u6570\u636e\u5e93\u63d0\u4ea4\uff0c\u90a3\u4e48\u5b83\u5f88\u53ef\u80fd\u663e\u8457\u964d\u4f4e\u5199\u5165\u8def\u5f84\u7684\u538b\u529b\u3002\n    <\/p>\n<p>\n      \u8fd9\u4f1a\u5f15\u5bfc\u51fa\u4e00\u79cd\u5206\u5c42\u8bbe\u8ba1\u601d\u8def\uff1a\n    <\/p>\n<ol>\n<li>\u5c06\u5927\u5bb9\u91cf\u6570\u636e\u548c\u4e0d\u592a\u654f\u611f\u4e8e\u5199\u5165\u78e8\u635f\u7684\u6570\u636e\u4fdd\u7559\u5728 SSD \u5c42\u3002<\/li>\n<li>\u628a\u6700\u70ed\u3001\u6700\u4f9d\u8d56\u8010\u4e45\u63d0\u4ea4\u7684\u5143\u6570\u636e\u653e\u5230\u4ee5 PMem \u4e3a\u5bfc\u5411\u7684\u5c42\u7ea7\u3002<\/li>\n<li>\u5148\u533a\u5206\u541e\u5410\u95ee\u9898\u548c\u63d0\u4ea4\u5ef6\u8fdf\u95ee\u9898\uff0c\u518d\u51b3\u5b9a\u9884\u7b97\u6295\u5411\u54ea\u91cc\u3002<\/li>\n<li>\u4e0d\u4ec5\u8981\u6d4b\u901f\u5ea6\uff0c\u8fd8\u8981\u6d4b\u6062\u590d\u65f6\u95f4\u3002<\/li>\n<\/ol>\n<p>\n      \u6700\u540e\u4e00\u6761\u5c24\u5176\u91cd\u8981\u3002\u6301\u4e45\u5185\u5b58\u5e38\u5e38\u4e4b\u6240\u4ee5\u6709\u4ef7\u503c\uff0c\u5e76\u4e0d\u53ea\u662f\u56e0\u4e3a\u5b83\u8bb2\u51fa\u4e86\u4e00\u4e2a\u66f4\u6f02\u4eae\u7684\u5199\u5165\u6545\u4e8b\uff0c\u800c\u662f\u56e0\u4e3a\u5b83\u6539\u53d8\u4e86\u91cd\u542f\u548c\u4e00\u81f4\u6027\u6062\u590d\u7684\u884c\u4e3a\u6a21\u5f0f\u3002\u56f4\u7ed5\u6301\u4e45\u5185\u5b58\u7684\u6807\u51c6\u5316\u8d44\u6599\u901a\u5e38\u90fd\u4f1a\u628a\u5b83\u63cf\u8ff0\u6210\u5c42\u7ea7\u4f53\u7cfb\u4e2d\u7684\u72ec\u7279\u4e00\u5c42\uff0c\u800c\u4e0d\u662f\u6240\u6709\u95ea\u5b58\u8bbe\u5907\u7684\u901a\u7528\u66ff\u4ee3\u54c1\u3002\n    <\/p>\n<h2><strong>\u5de5\u7a0b\u5e08\u5e94\u907f\u514d\u7684\u5e38\u89c1\u8bef\u8bfb<\/strong><\/h2>\n<p>\n      \u5728\u8010\u4e45\u5ea6\u8ba8\u8bba\u4e2d\uff0c\u6709\u51e0\u4e2a\u5e38\u89c1\u9677\u9631\u4f1a\u8ba9\u7ed3\u8bba\u53d8\u5f97\u566a\u58f0\u5f88\u5927\uff1a\n    <\/p>\n<ul>\n<li><strong>\u8bef\u533a\u4e00\uff1a<\/strong>\u8ba4\u4e3a\u66f4\u5feb\u5c31\u4e00\u5b9a\u66f4\u8010\u4e45\u3002\u9664\u975e\u5de5\u4f5c\u8d1f\u8f7d\u6070\u597d\u5951\u5408\u5176\u8bbf\u95ee\u6a21\u578b\uff0c\u5426\u5219\u5e76\u4e0d\u6210\u7acb\u3002<\/li>\n<li><strong>\u8bef\u533a\u4e8c\uff1a<\/strong>\u5728\u6bd4\u8f83\u4ecb\u8d28\u7c7b\u522b\u65f6\uff0c\u5374\u4e0d\u6bd4\u8f83\u8f6f\u4ef6\u884c\u4e3a\u3002<\/li>\n<li><strong>\u8bef\u533a\u4e09\uff1a<\/strong>\u628a\u6240\u6709 SSD \u90fd\u5f53\u4f5c\u5728\u76f8\u540c\u538b\u529b\u4e0b\u4f1a\u4ee5\u76f8\u540c\u65b9\u5f0f\u8001\u5316\u3002<\/li>\n<li><strong>\u8bef\u533a\u56db\uff1a<\/strong>\u5ffd\u7565\u4e00\u81f4\u6027\u8bed\u4e49\uff0c\u53ea\u76ef\u7740\u541e\u5410\u56fe\u8868\u770b\u3002<\/li>\n<\/ul>\n<p>\n      SSD \u5728\u5f88\u591a\u670d\u52a1\u5668\u89d2\u8272\u4e2d\u4f9d\u7136\u662f\u975e\u5e38\u4f18\u79c0\u7684\u9009\u62e9\uff0c\u5c24\u5176\u9002\u5408\u5f3a\u8c03\u5bb9\u91cf\u5bc6\u5ea6\u3001\u5e7f\u6cdb\u517c\u5bb9\u6027\u548c\u6210\u719f\u8fd0\u7ef4\u5de5\u5177\u94fe\u7684\u573a\u666f\u3002\u6301\u4e45\u5185\u5b58\u771f\u6b63\u4ee4\u4eba\u5fc3\u52a8\u7684\u65f6\u5019\uff0c\u5f80\u5f80\u662f\u8f6f\u4ef6\u8def\u5f84\u672c\u8eab\u6210\u4e86\u74f6\u9888\uff0c\u6216\u8005\u6210\u4e86\u95ea\u5b58\u8fc7\u5ea6\u78e8\u635f\u7684\u6839\u6e90\u3002\u90a3\u662f\u4e00\u4e2a\u67b6\u6784\u95ee\u9898\uff0c\u800c\u4e0d\u662f\u4e00\u53e5\u53e3\u53f7\u53ef\u4ee5\u89e3\u51b3\u7684\u95ee\u9898\u3002\n    <\/p>\n<h2><strong>\u5982\u4f55\u5224\u65ad PMem \u662f\u5426\u503c\u5f97\u91c7\u7528<\/strong><\/h2>\n<p>\n      \u5982\u679c\u4f60\u6b63\u5728\u4e3a\u6280\u672f\u578b\u5de5\u4f5c\u8d1f\u8f7d\u8bbe\u8ba1\u57fa\u7840\u8bbe\u65bd\uff0c\u4e0e\u5176\u7528\u201c\u91c7\u8d2d\u601d\u7ef4\u201d\uff0c\u4e0d\u5982\u5148\u7528\u201c\u8bca\u65ad\u601d\u7ef4\u201d\u3002\n    <\/p>\n<ol>\n<li>\n        <strong>\u5148\u5206\u6790\u5199\u5165\u7279\u5f81\u3002<\/strong> \u8fd9\u4e9b\u5199\u5165\u662f\u7ec6\u788e\u3001\u9891\u7e41\u540c\u6b65\u3001\u968f\u673a\u4e14\u6301\u7eed\u4e0d\u65ad\uff0c\u8fd8\u662f\u4ee5\u5927\u5757\u3001\u7f13\u51b2\u5f0f\u65b9\u5f0f\u4e3a\u4e3b\uff1f\n      <\/li>\n<li>\n        <strong>\u518d\u89c2\u5bdf\u6301\u4e45\u5316\u8fb9\u754c\u3002<\/strong> \u5e94\u7528\u662f\u5426\u56e0\u4e3a\u6b63\u786e\u6027\u8981\u6c42\uff0c\u800c\u4e0d\u5f97\u4e0d\u9891\u7e41\u5237\u5199\u72b6\u6001\uff1f\n      <\/li>\n<li>\n        <strong>\u6d4b\u91cf\u5c3e\u90e8\u884c\u4e3a\u3002<\/strong> \u5e73\u5747\u5ef6\u8fdf\u5f80\u5f80\u63a9\u76d6\u4e86\u8010\u4e45\u5199\u5165\u9ad8\u5cf0\u6240\u5e26\u6765\u7684\u8fd0\u7ef4\u6210\u672c\u3002\n      <\/li>\n<li>\n        <strong>\u6d4b\u8bd5\u6062\u590d\u8bed\u4e49\u3002<\/strong> \u6301\u4e45\u5185\u5b58\u7684\u4ef7\u503c\u53ef\u80fd\u4f1a\u5728\u91cd\u542f\u3001\u56de\u653e\u548c\u6545\u969c\u5207\u6362\u65f6\u4f53\u73b0\u5f97\u66f4\u660e\u663e\uff0c\u800c\u4e0d\u4e00\u5b9a\u662f\u5728\u5cf0\u503c\u541e\u5410\u4e0b\u3002\n      <\/li>\n<li>\n        <strong>\u8ba9\u6210\u672c\u7cbe\u51c6\u547d\u4e2d\u6700\u70ed\u8def\u5f84\u3002<\/strong> \u5982\u679c\u771f\u6b63\u51fa\u95ee\u9898\u7684\u53ea\u6709\u63d0\u4ea4\u65e5\u5fd7\uff0c\u5c31\u6ca1\u5fc5\u8981\u628a\u6574\u5957\u6570\u636e\u5168\u90e8\u8fc1\u79fb\u8fc7\u53bb\u3002\n      <\/li>\n<\/ol>\n<p>\n      \u4e0e\u5176\u62bd\u8c61\u5730\u95ee PMem \u662f\u5426\u201c\u66f4\u8010\u4e45\u201d\uff0c\u8fd9\u79cd\u65b9\u6cd5\u901a\u5e38\u66f4\u5bb9\u6613\u5f97\u51fa\u53ef\u6267\u884c\u7684\u7b54\u6848\u3002\u5728\u5f88\u591a\u73af\u5883\u4e2d\uff0c\u6700\u5408\u9002\u7684\u8bbe\u8ba1\u5176\u5b9e\u662f\u6df7\u5408\u5f0f\u7684\uff1a\u628a\u6301\u4e45\u5185\u5b58\u7528\u4e8e\u5199\u5165\u6700\u5173\u952e\u7684\u8fb9\u7f18\u8def\u5f84\uff0c\u628a SSD \u7528\u4f5c\u66f4\u5e7f\u6cdb\u7684\u5bb9\u91cf\u5c42\u3002Linux \u6301\u4e45\u5185\u5b58\u5de5\u5177\u94fe\u4ee5\u53ca namespace \u6a21\u578b\uff0c\u6070\u6070\u652f\u6301\u8fd9\u79cd\u660e\u786e\u5206\u5c42\u7684\u601d\u8def\uff0c\u800c\u4e0d\u662f\u5f3a\u8feb\u6240\u6709\u4eba\u63a5\u53d7\u4e00\u79cd\u653e\u4e4b\u56db\u6d77\u800c\u7686\u51c6\u7684\u67b6\u6784\u3002\n    <\/p>\n<h2><strong>\u7ed9\u6280\u672f\u8bfb\u8005\u7684\u6700\u7ec8\u7b54\u6848<\/strong><\/h2>\n<p>\n      \u6700\u7b80\u6d01\u4e5f\u6700\u8bda\u5b9e\u7684\u56de\u7b54\u662f\uff1a\u5728\u9ad8\u7ea7\u7cfb\u7edf\u6700\u5728\u610f\u7684\u90a3\u4e9b\u4f4d\u7f6e\u4e0a\u2014\u2014\u4f8b\u5982\u9891\u7e41\u8010\u4e45\u5199\u5165\u3001\u5143\u6570\u636e\u9ad8\u9891\u53d8\u5316\u3001\u63d0\u4ea4\u5bc6\u96c6\u578b\u72b6\u6001\u4ee5\u53ca\u91cd\u542f\u611f\u77e5\u8bbe\u8ba1\u2014\u2014PMem \u5f80\u5f80\u786e\u5b9e\u6bd4 SSD \u66f4\u8010\u4e45\u3002\u4f46\u8fd9\u79cd\u5dee\u5f02\u5e76\u4e0d\u5b58\u5728\u4e00\u4e2a\u653e\u4e4b\u56db\u6d77\u800c\u7686\u51c6\u7684\u56fa\u5b9a\u500d\u6570\uff0c\u56e0\u4e3a\u4e00\u65e6\u8fdb\u5165\u771f\u5b9e\u8f6f\u4ef6\u73af\u5883\uff0c\u7edf\u4e00\u500d\u7387\u5f88\u5feb\u5c31\u4f1a\u5931\u6548\u3002\u6301\u4e45\u5185\u5b58\u4e4b\u6240\u4ee5\u6539\u53d8\u5199\u5165\u884c\u4e3a\uff0c\u662f\u56e0\u4e3a\u5b83\u6539\u53d8\u4e86\u901a\u5f80\u8010\u4e45\u72b6\u6001\u7684\u8bed\u4e49\u548c\u8def\u5f84\u6df1\u5ea6\u3002\u4e0e\u6b64\u540c\u65f6\uff0cSSD \u7684\u8010\u4e45\u5ea6\u4f9d\u7136\u9ad8\u5ea6\u4f9d\u8d56\u5de5\u4f5c\u8d1f\u8f7d\uff1b\u5f53\u5e94\u7528\u5e76\u4e0d\u9700\u8981\u63a5\u8fd1\u5185\u5b58\u5f0f\u7684\u6301\u4e45\u5316\u884c\u4e3a\u65f6\uff0c\u5b83\u5728\u5e7f\u4e49\u7684\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u573a\u666f\u4e2d\u4f9d\u7136\u53ef\u4ee5\u8868\u73b0\u5f97\u975e\u5e38\u51fa\u8272\u3002\u5bf9\u4e8e\u67b6\u6784\u5e08\u6765\u8bf4\uff0c\u771f\u6b63\u6709\u4ef7\u503c\u7684\u95ee\u9898\u4e0d\u662f\u201c\u54ea\u79cd\u4ecb\u8d28\u8d62\u4e86\u201d\uff0c\u800c\u662f\u201c\u5230\u5e95\u662f\u54ea\u4e00\u5c42\u6b63\u5728\u627f\u53d7\u4e0d\u8be5\u7531\u5b83\u627f\u53d7\u7684\u5199\u5165\u201d\u3002\u4e5f\u6b63\u662f\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\uff0cPMem \u8010\u4e45\u5ea6\u624d\u4f1a\u4ece\u8425\u9500\u8bdd\u672f\u53d8\u6210\u771f\u6b63\u7684\u5de5\u7a0b\u4f18\u52bf\u3002\n    <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u670d\u52a1\u5668\u79df\u7528\u548c\u670d\u52a1\u5668\u6258\u7ba1\u67b6\u6784sample word\u4e2d\uff0cPMem \u8010\u4e45\u5ea6\u5e38\u5e38\u88ab\u8ba8\u8bba\u6210\u4e00\u4e2a\u53ef\u4ee5\u76f4\u63a5\u5957\u7528\u5230 SSD \u5bff\u547d\u4e0a\u7684\u7b80\u5355\u500d\u6570\u3002\u4f46\u8fd9\u79cd\u8868\u8ff0\u867d\u7136\u65b9\u4fbf\uff0c\u5374\u5e76\u4e0d\u7b26\u5408\u771f\u5b9e\u7cfb\u7edf\u7684\u8fd0\u884c\u65b9\u5f0f\u3002\u5de5\u7a0b\u5e08\u4e0d\u4f1a\u628a\u6301\u4e45\u5185\u5b58\u548c\u95ea\u5b58\u5b58\u50a8\u7b80\u5355\u585e\u8fdb\u540c\u4e00\u4e2a\u4f4d\u7f6e\uff0c\u7136\u540e\u671f\u5f85\u5f97\u5230\u4e00\u4e2a\u5e72\u51c0\u5229\u843d\u7684\u80dc\u8005\u3002\u4ed6\u4eec\u4f1a\u628a\u4e0d\u540c\u4ecb\u8d28\u653e\u5728 I\/O \u8def\u5f84\u4e2d\u7684\u4e0d\u540c\u5c42\u7ea7\uff0c\u518d\u53bb\u89c2\u5bdf\u5199\u5165\u653e\u5927\u3001\u7f13\u5b58\u7ed5\u8fc7\u3001\u6545\u969c\u57df\u3001\u6301\u4e45\u5316\u8bed\u4e49\u4ee5\u53ca\u6062\u590d\u884c\u4e3a\u3002Linux \u4e2d\u7684\u6301\u4e45\u5185\u5b58\u901a\u8fc7\u4e13\u95e8\u7684\u975e\u6613\u5931\u6027\u5185\u5b58\u5b50\u7cfb\u7edf\u652f\u6301\u8fdb\u884c\u66b4\u9732\uff0c\u5e76\u4e14\u5728\u67d0\u4e9b\u90e8\u7f72\u4e2d\u53ef\u4ee5\u914d\u5408 DAX \u98ce\u683c\u6620\u5c04\uff0c\u4ee5\u51cf\u5c11\u5757\u5c42\u5f00\u9500\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cSSD \u7684\u8010\u4e45\u5ea6\u4f9d\u7136\u9ad8\u5ea6\u4f9d\u8d56\u5177\u4f53\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5e76\u4e14\u4f1a\u53d7\u5230\u5757\u64e6\u9664\u3001\u5783\u573e\u56de\u6536\u3001\u53ef\u7528\u7a7a\u95f4\u548c\u5199\u5165\u6a21\u5f0f\u7684\u5171\u540c\u5f71\u54cd\u3002 \u6301\u4e45\u5185\u5b58\u7a76\u7adf\u6539\u53d8\u4e86\u4ec0\u4e48 \u5bf9\u6280\u672f\u8bfb\u8005\u800c\u8a00\uff0c\u6301\u4e45\u5185\u5b58\u4e4b\u6240\u4ee5\u6709\u8da3\uff0c\u5728\u4e8e\u5b83\u628a\u5b58\u50a8\u8ba8\u8bba\u4ece\u7eaf\u7cb9\u7684\u5757 I\/O \u8fdb\u4e00\u6b65\u62c9\u8fd1\u5230\u5185\u5b58\u8bed\u4e49\u5c42\u9762\u3002\u5b83\u4e0d\u518d\u628a\u6bcf\u4e00\u6b21\u8010\u4e45\u5199\u5165\u90fd\u89c6\u4e3a\u5fc5\u987b\u7a7f\u8d8a\u4f20\u7edf\u5b58\u50a8\u6808\u7684\u4e00\u6b21\u65c5\u884c\uff0c\u800c\u662f\u5141\u8bb8\u8f6f\u4ef6\u4ee5\u66f4\u63a5\u8fd1\u5b57\u8282\u5bfb\u5740\u6301\u4e45\u533a\u57df\u7684\u65b9\u5f0f\u8fdb\u884c\u4ea4\u4e92\uff0c\u4ece\u800c\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u964d\u4f4e\u8f6f\u4ef6\u8def\u5f84\u4e0a\u7684\u6469\u64e6\u3002Linux \u5173\u4e8e\u6301\u4e45\u5185\u5b58\u7684\u6587\u6863\u5f3a\u8c03\u4e86 namespace\u3001\u9762\u5411 DAX \u7684\u6a21\u5f0f\uff0c\u4ee5\u53ca\u9002\u7528\u4e8e\u6587\u4ef6\u7cfb\u7edf\u6216\u8bbe\u5907\u7684\u76f4\u63a5\u6620\u5c04\u65b9\u5f0f\uff0c\u8fd9\u4e9b\u673a\u5236\u4f7f\u5176\u5728\u9700\u8981\u65f6\u80fd\u591f\u7ed5\u8fc7\u4f20\u7edf\u9875\u7f13\u5b58\u548c\u90e8\u5206\u5757\u8def\u5f84\u3002\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u6240\u6709\u5de5\u4f5c\u8d1f\u8f7d\u90fd\u4f1a\u66f4\u5feb\uff0c\u4e5f\u4e0d\u4ee3\u8868\u6240\u6709\u90e8\u7f72\u90fd\u4f1a\u66f4\u7b80\u5355\uff0c\u4f46\u5b83\u786e\u5b9e\u6539\u53d8\u4e86\u5ef6\u8fdf\u548c\u78e8\u635f\u7d2f\u79ef\u7684\u4f4d\u7f6e\u3002 \u771f\u6b63\u4e0e\u8010\u4e45\u5ea6\u76f8\u5173\u7684\u5f71\u54cd\u5176\u5b9e\u66f4\u5fae\u5999\u3002PMem 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