{"id":137,"date":"2014-07-27T15:11:13","date_gmt":"2014-07-27T07:11:13","guid":{"rendered":"https:\/\/yanjingang.com\/blog\/?p=137"},"modified":"2016-01-12T15:11:29","modified_gmt":"2016-01-12T07:11:29","slug":"ext4%ef%bc%8cext3%e7%9a%84%e7%89%b9%e7%82%b9%e5%92%8c%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/yanjingang.com\/blog\/?p=137","title":{"rendered":"Ext4\uff0cExt3\u7684\u7279\u70b9\u548c\u533a\u522b"},"content":{"rendered":"

Linux kernel \u81ea 2.6.28 \u5f00\u59cb\u6b63\u5f0f\u652f\u6301\u65b0\u7684\u6587\u4ef6\u7cfb\u7edf Ext4\u3002 Ext4 \u662f Ext3 \u7684\u6539\u8fdb\u7248\uff0c\u4fee\u6539\u4e86 Ext3 \u4e2d\u90e8\u5206\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\uff0c\u800c\u4e0d\u4ec5\u4ec5\u50cf Ext3 \u5bf9 Ext2 \u90a3\u6837\uff0c\u53ea\u662f\u589e\u52a0\u4e86\u4e00\u4e2a\u65e5\u5fd7\u529f\u80fd\u800c\u5df2\u3002Ext4 \u53ef\u4ee5\u63d0\u4f9b\u66f4\u4f73\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u8fd8\u6709\u66f4\u4e3a\u4e30\u5bcc\u7684\u529f\u80fd\uff1a
\n1. \u4e0e Ext3 \u517c\u5bb9\u3002\u00a0\u6267\u884c\u82e5\u5e72\u6761\u547d\u4ee4\uff0c\u5c31\u80fd\u4ece Ext3 \u5728\u7ebf\u8fc1\u79fb\u5230 Ext4\uff0c\u800c\u65e0\u987b\u91cd\u65b0\u683c\u5f0f\u5316\u78c1\u76d8\u6216\u91cd\u65b0\u5b89\u88c5\u7cfb\u7edf\u3002\u539f\u6709 Ext3 \u6570\u636e\u7ed3\u6784\u7167\u6837\u4fdd\u7559\uff0cExt4 \u4f5c\u7528\u4e8e\u65b0\u6570\u636e\uff0c\u5f53\u7136\uff0c\u6574\u4e2a\u6587\u4ef6\u7cfb\u7edf\u56e0\u6b64\u4e5f\u5c31\u83b7\u5f97\u4e86 Ext4 \u6240\u652f\u6301\u7684\u66f4\u5927\u5bb9\u91cf\u3002<\/p>\n

2. \u66f4\u5927\u7684\u6587\u4ef6\u7cfb\u7edf\u548c\u66f4\u5927\u7684\u6587\u4ef6\u3002\u00a0\u8f83\u4e4b Ext3 \u76ee\u524d\u6240\u652f\u6301\u7684\u6700\u5927 16TB \u6587\u4ef6\u7cfb\u7edf\u548c\u6700\u5927 2TB \u6587\u4ef6\uff0cExt4 \u5206\u522b\u652f\u6301 1EB\uff081,048,576TB\uff0c 1EB=1024PB\uff0c 1PB=1024TB\uff09\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u4ee5\u53ca 16TB \u7684\u6587\u4ef6\u3002<\/p>\n

3. \u65e0\u9650\u6570\u91cf\u7684\u5b50\u76ee\u5f55\u3002\u00a0Ext3 \u76ee\u524d\u53ea\u652f\u6301 32,000 \u4e2a\u5b50\u76ee\u5f55\uff0c\u800c Ext4 \u652f\u6301\u65e0\u9650\u6570\u91cf\u7684\u5b50\u76ee\u5f55\u3002<\/p>\n

4. Extents\u3002\u00a0Ext3 \u91c7\u7528\u95f4\u63a5\u5757\u6620\u5c04\uff0c\u5f53\u64cd\u4f5c\u5927\u6587\u4ef6\u65f6\uff0c\u6548\u7387\u6781\u5176\u4f4e\u4e0b\u3002\u6bd4\u5982\u4e00\u4e2a 100MB \u5927\u5c0f\u7684\u6587\u4ef6\uff0c\u5728 Ext3 \u4e2d\u8981\u5efa\u7acb 25,600 \u4e2a\u6570\u636e\u5757\uff08\u6bcf\u4e2a\u6570\u636e\u5757\u5927\u5c0f\u4e3a 4KB\uff09\u7684\u6620\u5c04\u8868\u3002\u800c Ext4 \u5f15\u5165\u4e86\u73b0\u4ee3\u6587\u4ef6\u7cfb\u7edf\u4e2d\u6d41\u884c\u7684 extents \u6982\u5ff5\uff0c\u6bcf\u4e2a extent \u4e3a\u4e00\u7ec4\u8fde\u7eed\u7684\u6570\u636e\u5757\uff0c\u4e0a\u8ff0\u6587\u4ef6\u5219\u8868\u793a\u4e3a\u201c\u8be5\u6587\u4ef6\u6570\u636e\u4fdd\u5b58\u5728\u63a5\u4e0b\u6765\u7684 25,600 \u4e2a\u6570\u636e\u5757\u4e2d\u201d\uff0c\u63d0\u9ad8\u4e86\u4e0d\u5c11\u6548\u7387\u3002<\/p>\n

5. \u591a\u5757\u5206\u914d\u3002\u00a0\u5f53 \u5199\u5165\u6570\u636e\u5230 Ext3 \u6587\u4ef6\u7cfb\u7edf\u4e2d\u65f6\uff0cExt3 \u7684\u6570\u636e\u5757\u5206\u914d\u5668\u6bcf\u6b21\u53ea\u80fd\u5206\u914d\u4e00\u4e2a 4KB \u7684\u5757\uff0c\u5199\u4e00\u4e2a 100MB \u6587\u4ef6\u5c31\u8981\u8c03\u7528 25,600 \u6b21\u6570\u636e\u5757\u5206\u914d\u5668\uff0c\u800c Ext4 \u7684\u591a\u5757\u5206\u914d\u5668\u201cmultiblock allocator\u201d\uff08mballoc\uff09 \u652f\u6301\u4e00\u6b21\u8c03\u7528\u5206\u914d\u591a\u4e2a\u6570\u636e\u5757\u3002<\/p>\n

6. \u5ef6\u8fdf\u5206\u914d\u3002\u00a0Ext3 \u7684\u6570\u636e\u5757\u5206\u914d\u7b56\u7565\u662f\u5c3d\u5feb\u5206\u914d\uff0c\u800c Ext4 \u548c\u5176\u5b83\u73b0\u4ee3\u6587\u4ef6\u64cd\u4f5c\u7cfb\u7edf\u7684\u7b56\u7565\u662f\u5c3d\u53ef\u80fd\u5730\u5ef6\u8fdf\u5206\u914d\uff0c\u76f4\u5230\u6587\u4ef6\u5728 cache \u4e2d\u5199\u5b8c\u624d\u5f00\u59cb\u5206\u914d\u6570\u636e\u5757\u5e76\u5199\u5165\u78c1\u76d8\uff0c\u8fd9\u6837\u5c31\u80fd\u4f18\u5316\u6574\u4e2a\u6587\u4ef6\u7684\u6570\u636e\u5757\u5206\u914d\uff0c\u4e0e\u524d\u4e24\u79cd\u7279\u6027\u642d\u914d\u8d77\u6765\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6027\u80fd\u3002<\/p>\n

7. \u5feb\u901f fsck\u3002\u00a0\u4ee5\u524d\u6267\u884c fsck \u7b2c\u4e00\u6b65\u5c31\u4f1a\u5f88\u6162\uff0c\u56e0\u4e3a\u5b83\u8981\u68c0\u67e5\u6240\u6709\u7684 inode\uff0c\u73b0\u5728 Ext4 \u7ed9\u6bcf\u4e2a\u7ec4\u7684 inode \u8868\u4e2d\u90fd\u6dfb\u52a0\u4e86\u4e00\u4efd\u672a\u4f7f\u7528 inode \u7684\u5217\u8868\uff0c\u4eca\u540e fsck Ext4 \u6587\u4ef6\u7cfb\u7edf\u5c31\u53ef\u4ee5\u8df3\u8fc7\u5b83\u4eec\u800c\u53ea\u53bb\u68c0\u67e5\u90a3\u4e9b\u5728\u7528\u7684 inode \u4e86\u3002<\/p>\n

8. \u65e5\u5fd7\u6821\u9a8c\u3002\u00a0\u65e5\u5fd7\u662f\u6700\u5e38\u7528\u7684\u90e8\u5206\uff0c\u4e5f\u6781\u6613\u5bfc\u81f4\u78c1\u76d8\u786c\u4ef6\u6545\u969c\uff0c\u800c\u4ece\u635f\u574f\u7684\u65e5\u5fd7\u4e2d\u6062\u590d\u6570\u636e\u4f1a\u5bfc\u81f4\u66f4\u591a\u7684\u6570\u636e\u635f\u574f\u3002Ext4 \u7684\u65e5\u5fd7\u6821\u9a8c\u529f\u80fd\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5224\u65ad\u65e5\u5fd7\u6570\u636e\u662f\u5426\u635f\u574f\uff0c\u800c\u4e14\u5b83\u5c06 Ext3 \u7684\u4e24\u9636\u6bb5\u65e5\u5fd7\u673a\u5236\u5408\u5e76\u6210\u4e00\u4e2a\u9636\u6bb5\uff0c\u5728\u589e\u52a0\u5b89\u5168\u6027\u7684\u540c\u65f6\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n

9. \u201c\u65e0\u65e5\u5fd7\u201d\uff08No Journaling\uff09\u6a21\u5f0f\u3002\u00a0\u65e5\u5fd7\u603b\u5f52\u6709\u4e00\u4e9b\u5f00\u9500\uff0cExt4 \u5141\u8bb8\u5173\u95ed\u65e5\u5fd7\uff0c\u4ee5\u4fbf\u67d0\u4e9b\u6709\u7279\u6b8a\u9700\u6c42\u7684\u7528\u6237\u53ef\u4ee5\u501f\u6b64\u63d0\u5347\u6027\u80fd\u3002<\/p>\n

10. \u5728\u7ebf\u788e\u7247\u6574\u7406\u3002\u00a0\u5c3d\u7ba1\u5ef6\u8fdf\u5206\u914d\u3001\u591a\u5757\u5206\u914d\u548c extents \u80fd\u6709\u6548\u51cf\u5c11\u6587\u4ef6\u7cfb\u7edf\u788e\u7247\uff0c\u4f46\u788e\u7247\u8fd8\u662f\u4e0d\u53ef\u907f\u514d\u4f1a\u4ea7\u751f\u3002Ext4 \u652f\u6301\u5728\u7ebf\u788e\u7247\u6574\u7406\uff0c\u5e76\u5c06\u63d0\u4f9b e4defrag \u5de5\u5177\u8fdb\u884c\u4e2a\u522b\u6587\u4ef6\u6216\u6574\u4e2a\u6587\u4ef6\u7cfb\u7edf\u7684\u788e\u7247\u6574\u7406\u3002<\/p>\n

11. inode \u76f8\u5173\u7279\u6027\u3002\u00a0Ext4 \u652f\u6301\u66f4\u5927\u7684 inode\uff0c\u8f83\u4e4b Ext3 \u9ed8\u8ba4\u7684 inode \u5927\u5c0f 128 \u5b57\u8282\uff0cExt4 \u4e3a\u4e86\u5728 inode \u4e2d\u5bb9\u7eb3\u66f4\u591a\u7684\u6269\u5c55\u5c5e\u6027\uff08\u5982\u7eb3\u79d2\u65f6\u95f4\u6233\u6216 inode \u7248\u672c\uff09\uff0c\u9ed8\u8ba4 inode \u5927\u5c0f\u4e3a 256 \u5b57\u8282\u3002Ext4 \u8fd8\u652f\u6301\u5feb\u901f\u6269\u5c55\u5c5e\u6027\uff08fast extended attributes\uff09\u548c inode \u4fdd\u7559\uff08inodes reservation\uff09\u3002<\/p>\n

12. \u6301\u4e45\u9884\u5206\u914d\uff08Persistent preallocation\uff09\u3002\u00a0P2P \u8f6f\u4ef6\u4e3a\u4e86\u4fdd\u8bc1\u4e0b\u8f7d\u6587\u4ef6\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u5b58\u653e\uff0c\u5e38\u5e38\u4f1a\u9884\u5148\u521b\u5efa\u4e00\u4e2a\u4e0e\u6240\u4e0b\u8f7d\u6587\u4ef6\u5927\u5c0f\u76f8\u540c\u7684\u7a7a\u6587\u4ef6\uff0c\u4ee5\u514d\u672a\u6765\u7684\u6570\u5c0f\u65f6\u6216\u6570\u5929\u4e4b\u5185\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\u5bfc\u81f4\u4e0b\u8f7d\u5931\u8d25\u3002 Ext4 \u5728\u6587\u4ef6\u7cfb\u7edf\u5c42\u9762\u5b9e\u73b0\u4e86\u6301\u4e45\u9884\u5206\u914d\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684 API\uff08libc \u4e2d\u7684 posix_fallocate()\uff09\uff0c\u6bd4\u5e94\u7528\u8f6f\u4ef6\u81ea\u5df1\u5b9e\u73b0\u66f4\u6709\u6548\u7387\u3002<\/p>\n

13. \u9ed8\u8ba4\u542f\u7528 barrier\u3002\u00a0\u78c1 \u76d8\u4e0a\u914d\u6709\u5185\u90e8\u7f13\u5b58\uff0c\u4ee5\u4fbf\u91cd\u65b0\u8c03\u6574\u6279\u91cf\u6570\u636e\u7684\u5199\u64cd\u4f5c\u987a\u5e8f\uff0c\u4f18\u5316\u5199\u5165\u6027\u80fd\uff0c\u56e0\u6b64\u6587\u4ef6\u7cfb\u7edf\u5fc5\u987b\u5728\u65e5\u5fd7\u6570\u636e\u5199\u5165\u78c1\u76d8\u4e4b\u540e\u624d\u80fd\u5199 commit \u8bb0\u5f55\uff0c\u82e5 commit \u8bb0\u5f55\u5199\u5165\u5728\u5148\uff0c\u800c\u65e5\u5fd7\u6709\u53ef\u80fd\u635f\u574f\uff0c\u90a3\u4e48\u5c31\u4f1a\u5f71\u54cd\u6570\u636e\u5b8c\u6574\u6027\u3002Ext4 \u9ed8\u8ba4\u542f\u7528 barrier\uff0c\u53ea\u6709\u5f53 barrier \u4e4b\u524d\u7684\u6570\u636e\u5168\u90e8\u5199\u5165\u78c1\u76d8\uff0c\u624d\u80fd\u5199 barrier \u4e4b\u540e\u7684\u6570\u636e\u3002\uff08\u53ef\u901a\u8fc7 “mount -o barrier=0” \u547d\u4ee4\u7981\u7528\u8be5\u7279\u6027\u3002\uff09<\/p>\n

Ext4 \u968f Linux kernel 2.6.28 \u6b63\u5f0f\u53d1\u5e03\u5df2\u6709\u6570\u5468\uff0c\u4e00\u76f4\u82e6\u4e8e\u627e\u4e0d\u5230\u6d4b\u8bd5\u7528\u7684\u78c1\u76d8\uff0c\u6b63\u5de7\u5e74\u524d Intel \u9001\u6765\u51e0\u5757 SSD \u6d4b\u8bd5\u6837\u54c1\uff0c\u8fd9\u4e24\u5929\u5c31\u987a\u5e26\u628a SSD \u4e5f\u6d4b\u4e86\u3002\u6d4b\u8bd5\u6240\u4f7f\u7528\u7684 Linux \u5185\u6838\u7248\u672c\u4e3a 2.6.28.2\uff0c\u6d4b\u8bd5\u5de5\u5177\u4e3a IOzone 3.318\u3002<\/p>\n

IOzone<\/a>\u00a0\u6d4b\u8bd5\u547d\u4ee4\u4e3a\uff1a<\/p>\n

time \/opt\/iozone\/bin\/iozone -a -s 4G -q 256 -y 4 >|\/root\/ext4-iozone-stdout.txt<\/p><\/blockquote>\n

\u4e0a\u8ff0\u547d\u4ee4\u7684\u8bf4\u660e\u5982\u4e0b\uff1a<\/p>\n

Auto Mode
\nFile size set to 4194304 KB
\nUsing Maximum Record Size 256 KB
\nUsing Minimum Record Size 4 KB
\nCommand line used: \/opt\/iozone\/bin\/iozone -a -s 4G -q 256 -y 4
\nOutput is in Kbytes\/sec
\nTime Resolution = 0.000001 seconds.
\nProcessor cache size set to 1024 Kbytes.
\nProcessor cache line size set to 32 bytes.
\nFile stride size set to 17 * record size.<\/p><\/blockquote>\n

\u6d4b\u8bd5\u7ed3\u679c\u9664\u4e86\u8868\u660e Intel SSD \u7684\u8bfb\u5199\u901f\u5ea6\u5feb\u5f97\u4ee4\u4eba\u548b\u820c\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u8bf4\u660e Ext4 \u7684\u5404\u65b9\u9762\u6027\u80fd\u90fd\u8d85\u8fc7\u4e86\u4e0a\u4e00\u4ee3 Ext3\uff0c\u751a\u81f3\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6bd4\u6ca1\u6709\u65e5\u5fd7\u529f\u80fd\u7684 Ext2 \u8fd8\u8981\u5feb\u51fa\u4e0d\u5c11\uff1a<\/p>\n

<!– TABLE,THEAD,TBODY,TFOOT,TR,TH,TD { font-family:”Arial”; font-size:x-small } –><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nreclen<\/strong><\/td>\nwrite<\/strong><\/td>\nrewrite<\/strong><\/td>\nread<\/strong><\/td>\nreread<\/strong><\/td>\nrandom read<\/strong><\/td>\nrandom write<\/strong><\/td>\nbkwd read<\/strong><\/td>\nrecord rewrite<\/strong><\/td>\nstride read<\/strong><\/td>\nfwrite<\/strong><\/td>\nfrewrite<\/strong><\/td>\nfread<\/strong><\/td>\nfreread<\/strong><\/td>\n<\/tr>\n
Ext2<\/p>\n

real 28m12.718s
\nuser 0m10.725s
\nsys 5m8.265s<\/strong><\/td>\n

4<\/td>\n218,680<\/td>\n216,596<\/td>\n630,248<\/td>\n245,802<\/td>\n88,700<\/td>\n138,065<\/td>\n106,112<\/td>\n1,882,623<\/td>\n73,538<\/td>\n214,175<\/td>\n218,364<\/td>\n566,570<\/td>\n247,381<\/td>\n<\/tr>\n
8<\/td>\n215,308<\/td>\n218,690<\/td>\n556,064<\/td>\n246,260<\/td>\n154,680<\/td>\n150,052<\/td>\n188,397<\/td>\n2,462,367<\/td>\n130,896<\/td>\n217,157<\/td>\n216,647<\/td>\n583,808<\/td>\n248,397<\/td>\n<\/tr>\n
16<\/td>\n216,457<\/td>\n216,843<\/td>\n575,046<\/td>\n245,701<\/td>\n258,660<\/td>\n158,750<\/td>\n306,842<\/td>\n2,654,320<\/td>\n220,939<\/td>\n216,061<\/td>\n218,140<\/td>\n598,174<\/td>\n246,581<\/td>\n<\/tr>\n
32<\/td>\n217,925<\/td>\n214,289<\/td>\n537,976<\/td>\n243,081<\/td>\n394,013<\/td>\n167,002<\/td>\n464,240<\/td>\n2,397,831<\/td>\n340,775<\/td>\n217,434<\/td>\n219,353<\/td>\n583,463<\/td>\n246,341<\/td>\n<\/tr>\n
64<\/td>\n215,460<\/td>\n219,256<\/td>\n527,919<\/td>\n244,362<\/td>\n503,227<\/td>\n162,917<\/td>\n609,546<\/td>\n2,546,079<\/td>\n456,243<\/td>\n216,875<\/td>\n217,692<\/td>\n571,707<\/td>\n244,264<\/td>\n<\/tr>\n
128<\/td>\n219,081<\/td>\n216,173<\/td>\n540,831<\/td>\n242,526<\/td>\n609,750<\/td>\n161,442<\/td>\n721,701<\/td>\n2,656,729<\/td>\n551,122<\/td>\n217,780<\/td>\n217,427<\/td>\n579,271<\/td>\n242,291<\/td>\n<\/tr>\n
256<\/td>\n216,091<\/td>\n217,631<\/td>\n565,111<\/td>\n245,157<\/td>\n654,274<\/td>\n173,955<\/td>\n870,547<\/td>\n2,574,261<\/td>\n634,835<\/td>\n216,638<\/td>\n219,693<\/td>\n563,735<\/td>\n247,101<\/td>\n<\/tr>\n
Ext3<\/p>\n

real 27m42.449s
\nuser 0m11.529s
\nsys 7m17.049s<\/strong><\/td>\n

4<\/td>\n218,242<\/td>\n213,039<\/td>\n482,132<\/td>\n243,986<\/td>\n88,007<\/td>\n156,926<\/td>\n105,557<\/td>\n1,540,739<\/td>\n75,010<\/td>\n216,028<\/td>\n216,432<\/td>\n522,704<\/td>\n243,385<\/td>\n<\/tr>\n
8<\/td>\n218,390<\/td>\n217,915<\/td>\n544,892<\/td>\n244,979<\/td>\n152,424<\/td>\n190,454<\/td>\n181,486<\/td>\n1,945,603<\/td>\n130,737<\/td>\n218,364<\/td>\n216,431<\/td>\n530,853<\/td>\n243,222<\/td>\n<\/tr>\n
16<\/td>\n218,083<\/td>\n217,683<\/td>\n561,038<\/td>\n244,506<\/td>\n255,244<\/td>\n200,032<\/td>\n300,212<\/td>\n2,096,495<\/td>\n221,329<\/td>\n216,930<\/td>\n216,661<\/td>\n514,177<\/td>\n244,069<\/td>\n<\/tr>\n
32<\/td>\n216,258<\/td>\n217,013<\/td>\n569,246<\/td>\n243,811<\/td>\n389,745<\/td>\n198,275<\/td>\n446,462<\/td>\n1,934,853<\/td>\n338,785<\/td>\n216,809<\/td>\n219,296<\/td>\n530,634<\/td>\n243,446<\/td>\n<\/tr>\n
64<\/td>\n218,850<\/td>\n217,711<\/td>\n577,529<\/td>\n243,725<\/td>\n497,689<\/td>\n201,693<\/td>\n589,535<\/td>\n2,036,412<\/td>\n450,449<\/td>\n219,387<\/td>\n214,900<\/td>\n514,353<\/td>\n244,809<\/td>\n<\/tr>\n
128<\/td>\n220,234<\/td>\n215,687<\/td>\n530,519<\/td>\n241,615<\/td>\n608,244<\/td>\n199,619<\/td>\n714,295<\/td>\n1,992,168<\/td>\n553,022<\/td>\n217,828<\/td>\n218,454<\/td>\n513,596<\/td>\n241,510<\/td>\n<\/tr>\n
256<\/td>\n216,011<\/td>\n220,188<\/td>\n592,578<\/td>\n242,548<\/td>\n642,341<\/td>\n199,408<\/td>\n834,240<\/td>\n2,092,959<\/td>\n624,043<\/td>\n217,682<\/td>\n218,165<\/td>\n529,358<\/td>\n242,878<\/td>\n<\/tr>\n
Ext4<\/p>\n

real 27m3.485s
\nuser 0m10.847s
\nsys 6m9.578s<\/strong><\/td>\n

4<\/td>\n221,823<\/td>\n216,992<\/td>\n532,488<\/td>\n273,668<\/td>\n85,210<\/td>\n183,195<\/td>\n103,036<\/td>\n1,862,817<\/td>\n74,781<\/td>\n225,841<\/td>\n220,620<\/td>\n523,799<\/td>\n272,848<\/td>\n<\/tr>\n
8<\/td>\n226,028<\/td>\n218,580<\/td>\n561,960<\/td>\n272,036<\/td>\n154,972<\/td>\n216,505<\/td>\n178,482<\/td>\n2,135,372<\/td>\n132,506<\/td>\n227,423<\/td>\n215,766<\/td>\n641,021<\/td>\n271,328<\/td>\n<\/tr>\n
16<\/td>\n222,241<\/td>\n217,746<\/td>\n547,548<\/td>\n270,895<\/td>\n260,899<\/td>\n223,895<\/td>\n295,288<\/td>\n2,095,966<\/td>\n223,135<\/td>\n226,055<\/td>\n216,210<\/td>\n621,287<\/td>\n273,475<\/td>\n<\/tr>\n
32<\/td>\n220,121<\/td>\n213,025<\/td>\n240,426<\/td>\n247,628<\/td>\n345,210<\/td>\n175,977<\/td>\n451,631<\/td>\n2,145,351<\/td>\n342,236<\/td>\n225,796<\/td>\n213,427<\/td>\n598,331<\/td>\n269,759<\/td>\n<\/tr>\n
64<\/td>\n223,983<\/td>\n214,437<\/td>\n308,696<\/td>\n551,577<\/td>\n754,941<\/td>\n225,897<\/td>\n523,130<\/td>\n2,218,016<\/td>\n448,086<\/td>\n227,030<\/td>\n214,706<\/td>\n582,795<\/td>\n272,323<\/td>\n<\/tr>\n
128<\/td>\n222,576<\/td>\n217,816<\/td>\n624,636<\/td>\n271,293<\/td>\n644,500<\/td>\n224,997<\/td>\n720,468<\/td>\n2,308,315<\/td>\n582,943<\/td>\n225,971<\/td>\n217,373<\/td>\n552,335<\/td>\n274,237<\/td>\n<\/tr>\n
256<\/td>\n221,202<\/td>\n222,238<\/td>\n541,685<\/td>\n270,898<\/td>\n671,748<\/td>\n228,085<\/td>\n845,494<\/td>\n2,215,381<\/td>\n643,715<\/td>\n225,411<\/td>\n219,166<\/td>\n580,066<\/td>\n273,342<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Linux kernel \u81ea 2.6.28 \u5f00\u59cb\u6b63\u5f0f\u652f\u6301\u65b0\u7684\u6587\u4ef6\u7cfb\u7edf Ext4\u3002 Ext4 \u662f Ext3 \u7684\u6539 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[31],"tags":[115,116,32],"_links":{"self":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/137"}],"collection":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=137"}],"version-history":[{"count":0,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/137\/revisions"}],"wp:attachment":[{"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yanjingang.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}