{"id":209376,"date":"2025-09-30T08:55:12","date_gmt":"2025-09-30T00:55:12","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209376\/"},"modified":"2025-09-30T08:55:13","modified_gmt":"2025-09-30T00:55:13","slug":"vps-255","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209376\/","title":{"rendered":"\u9999\u6e2fVPS\u5b9e\u6218\uff1a\u5206\u533a\u8868\u6027\u80fd\u4f18\u5316\u7b56\u7565\u4e0e\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"<p>\u5728\u9999\u6e2f\u90e8\u7f72 VPS \u65f6\uff0c\u5206\u533a\u8868\uff08partition table\uff09\u4e0e\u78c1\u76d8\u5e03\u5c40\u5bf9\u7cfb\u7edf\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u54cd\u3002\u65e0\u8bba\u4f60\u662f\u9762\u5411\u9ad8\u5e76\u53d1\u7684\u7ad9\u957f\u3001\u627f\u8f7d\u5173\u952e\u4e1a\u52a1\u7684\u4f01\u4e1a\u7528\u6237\uff0c\u8fd8\u662f\u505a\u5bb9\u5668\u5316\u5f00\u53d1\u548c\u6d4b\u8bd5\u7684\u5f00\u53d1\u8005\uff0c\u7406\u89e3\u5e76\u4f18\u5316\u5206\u533a\u8868\u76f8\u5173\u7b56\u7565\u90fd\u80fd\u663e\u8457\u63d0\u5347 I\/O \u6027\u80fd\u3001\u964d\u4f4e\u5ef6\u8fdf\u5e76\u63d0\u9ad8\u7a33\u5b9a\u6027\u3002\u672c\u6587\u7ed3\u5408\u5b9e\u6218\u7ecf\u9a8c\uff0c\u6df1\u5165\u8bb2\u89e3\u5206\u533a\u8868\u76f8\u5173\u7684\u539f\u7406\u3001\u4f18\u5316\u7b56\u7565\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u4f60\u5728\u9999\u6e2fVPS\u3001\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fd\u670d\u52a1\u5668\u7b49\u73af\u5883\u4e0b\u505a\u51fa\u66f4\u5408\u9002\u7684\u5b58\u50a8\u5e03\u5c40\u51b3\u7b56\u3002<\/p>\n<h2>\u5206\u533a\u8868\u57fa\u7840\u4e0e\u6027\u80fd\u76f8\u5173\u539f\u7406<\/h2>\n<p>\u5206\u533a\u8868\u51b3\u5b9a\u4e86\u78c1\u76d8\u5982\u4f55\u88ab\u5212\u5206\u548c\u7ba1\u7406\u3002\u5e38\u89c1\u5206\u533a\u8868\u7c7b\u578b\u5305\u62ec MBR\uff08Master Boot Record\uff09\u548c GPT\uff08GUID Partition Table\uff09\u3002\u5728\u73b0\u4ee3 VPS \u73af\u5883\u4e2d\uff0c\u5c24\u5176\u662f\u4f7f\u7528\u5927\u5bb9\u91cf\u78c1\u76d8\uff08&gt;2TB\uff09\u6216 UEFI \u5f15\u5bfc\u7684\u7cfb\u7edf\u65f6\uff0c<strong>\u5efa\u8bae\u4f7f\u7528 GPT<\/strong>\u3002GPT \u652f\u6301\u66f4\u591a\u5206\u533a\u4e14\u517c\u5bb9\u5ea6\u66f4\u9ad8\uff0c\u8fd9\u5bf9\u4e91\u73af\u5883\u4e2d\u9891\u7e41\u8c03\u6574\u78c1\u76d8\u5e03\u5c40\u7684\u573a\u666f\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<p>\u4ece\u6027\u80fd\u89d2\u5ea6\uff0c\u5f71\u54cd I\/O \u7684\u5173\u952e\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7269\u7406\u78c1\u76d8\u7c7b\u578b\uff08HDD\/SSD\/NVMe\uff09\u4e0e\u865a\u62df\u5316\u65b9\u5f0f\uff08\u76f4\u901a\u3001virtio\u3001iSCSI\u3001RBD \u7b49\uff09\uff1b<\/li>\n<li>\u5206\u533a\u4e0e\u6587\u4ef6\u7cfb\u7edf\u7684\u5bf9\u9f50\uff08alignment\uff09\u548c\u8d77\u59cb\u504f\u79fb\uff1b<\/li>\n<li>\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\uff08ext4\u3001xfs\u3001btrfs\u3001f2fs\uff09\u53ca\u5176\u53c2\u6570\uff1b<\/li>\n<li>\u7f13\u5b58\u4e0e\u5199\u56de\uff08writeback\uff09\u7b56\u7565\uff1b<\/li>\n<li>\u5feb\u7167\u4e0e\u514b\u9686\uff08Copy-on-Write\uff09\u5bf9\u968f\u673a\u5199\u7684\u5f71\u54cd\u3002<\/li>\n<\/ul>\n<h3>\u5206\u533a\u5bf9\u9f50\uff08Alignment\uff09<\/h3>\n<p>\u5206\u533a\u6ca1\u6709\u6309\u7269\u7406\u6247\u533a\u6216\u8bbe\u5907\u5185\u90e8\u64e6\u9664\u5757\uff08erase block\uff09\u5bf9\u9f50\u4f1a\u5f15\u53d1\u201c\u8bfb-\u6539-\u5199\u201d\u653e\u5927\u7684\u95ee\u9898\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u548c\u5bff\u547d\u7f29\u77ed\u3002\u5c24\u5176\u5728 SSD\u3001NVMe \u6216\u57fa\u4e8e Ceph\/RBD\u3001LVM thinpool \u7684\u540e\u7aef\u5b58\u50a8\u4e0a\uff0c\u5fc5\u987b\u786e\u4fdd\u5206\u533a\u8d77\u59cb\u504f\u79fb\u4e3a 1MiB\uff08\u5e38\u7528\uff09\u6216\u4e0e\u540e\u7aef\u7684\u5757\/\u6761\u5e26\u5927\u5c0f\u5bf9\u9f50\u3002<\/p>\n<p>\u521b\u5efa\u5206\u533a\u65f6\u63a8\u8350\u4f7f\u7528 parted \u5e76\u8bbe\u7f6e unit \u4e3a MiB\uff0c\u8d77\u59cb\u504f\u79fb\u8bbe\u7f6e\u4e3a 1MiB\u3002\u4f8b\u5982\uff1a<\/p>\n<p><code>parted \/dev\/vdb mklabel gpt; parted \/dev\/vdb mkpart primary 1MiB 100%<\/code><\/p>\n<h3>LVM \u4e0e\u903b\u8f91\u5377\u7684\u5f71\u54cd<\/h3>\n<p>LVM \u63d0\u4f9b\u7075\u6d3b\u6027\uff08\u5feb\u7167\u3001\u5728\u7ebf\u6269\u5bb9\uff09\uff0c\u4f46\u5728\u6027\u80fd\u654f\u611f\u578b\u5de5\u4f5c\u8d1f\u8f7d\u4e0b\u8981\u8c28\u614e\u4f7f\u7528\u3002LVM thin provisioning \u53ef\u8282\u7701\u7a7a\u95f4\uff0c\u4f46 thinpool \u7684\u5199\u653e\u5927\u548c\u5143\u6570\u636e\u5f00\u9500\u4f1a\u964d\u4f4e\u968f\u673a\u5199\u6027\u80fd\u3002\u82e5\u8ffd\u6c42\u9ad8 IOPS \u6216\u4f4e\u5ef6\u8fdf\uff0c\u8003\u8651\u4f7f\u7528\u76f4\u63a5\u5206\u533a\uff08\u4e0d\u901a\u8fc7 LVM\uff09\u6216\u4f7f\u7528 LVM \u7684\u76f4\u5199\u7b56\u7565\uff08\u907f\u514d thin pools\uff09\u3002<\/p>\n<p>\u5982\u679c\u5fc5\u987b\u4f7f\u7528 LVM\uff0c\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5728\u7269\u7406\u5377\uff08PV\uff09\u4e0a\u4fdd\u6301\u5bf9\u9f50\uff1b<\/li>\n<li>\u4e3a\u5143\u6570\u636e\u5355\u72ec\u5206\u533a\u6216\u4f7f\u7528\u5408\u9002\u7684 chunk_size\uff08\u4f8b\u5982 64K\/128K\uff09\u4ee5\u5339\u914d\u6587\u4ef6\u7cfb\u7edf\u7684\u5206\u914d\u5355\u5143\uff1b<\/li>\n<li>\u76d1\u63a7 thinpool \u7684 metadata \u4f7f\u7528\u7387\u5e76\u542f\u7528\u5408\u9002\u7684\u8b66\u62a5\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u4f18\u5316\u7b56\u7565\uff08\u5206\u533a\u8868\u5230\u6587\u4ef6\u7cfb\u7edf\uff09<\/h2>\n<h3>\u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf<\/h3>\n<p>\u4e0d\u540c\u6587\u4ef6\u7cfb\u7edf\u7684\u5b9e\u73b0\u673a\u5236\u5bf9\u6027\u80fd\u6709\u51b3\u5b9a\u6027\u5f71\u54cd\u3002\u5e38\u89c1\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>ext4<\/strong>\uff1a\u7a33\u5b9a\u3001\u517c\u5bb9\u6027\u597d\uff0c\u9002\u5408\u5927\u591a\u6570\u573a\u666f\u3002\u5bf9\u4e8e\u5c0f\u6587\u4ef6\u968f\u673a\u5199\uff0c\u5f00\u542f dir_index\u3001noatime\/nodiratime\uff0c\u5e76\u8c03\u6574 inode_ratio \u53ef\u4f18\u5316\u6027\u80fd\u3002<\/li>\n<li><strong>xfs<\/strong>\uff1a\u64c5\u957f\u5e76\u53d1\u5199\u5165\u548c\u5927\u6587\u4ef6\uff0c\u5e38\u7528\u4e8e\u6570\u636e\u5e93\u3001\u65e5\u5fd7\u5b58\u50a8\u3002\u8c03\u4f18\u65f6\u6ce8\u610f log size \u4e0e inode allocation \u53c2\u6570\u3002<\/li>\n<li><strong>btrfs<\/strong>\uff1a\u529f\u80fd\u4e30\u5bcc\uff08\u5185\u5efa\u5feb\u7167\u3001\u5b50\u5377\uff09\uff0c\u4f46\u5199\u653e\u5927\u548c\u7a33\u5b9a\u6027\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u9700\u8c28\u614e\u8bc4\u4f30\u3002<\/li>\n<li><strong>f2fs<\/strong>\uff1a\u4e3a\u95ea\u5b58\/SSD \u8bbe\u8ba1\uff0c\u5728 SSD\/NVMe \u4e0a\u80fd\u63d0\u4f9b\u4f18\u5f02\u6027\u80fd\uff0c\u4f46\u517c\u5bb9\u6027\u4e0e\u5de5\u5177\u94fe\u76f8\u5bf9\u5c11\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u9999\u6e2f VPS\uff08\u5e38\u89c1\u540e\u7aef\u4e3a SSD\/NVMe \u6216\u5206\u5e03\u5f0f\u5757\u5b58\u50a8\uff09\uff0c\u63a8\u8350\u4f18\u5148\u8003\u8651 ext4 \u6216 xfs\u3002\u82e5\u4f7f\u7528\u9ad8\u9891\u7e41\u5feb\u7167\u7684\u573a\u666f\uff08\u4f8b\u5982\u5bb9\u5668\u955c\u50cf\u4ed3\u5e93\uff09\uff0c\u9700\u8981\u6d4b\u8bd5 btrfs \u6216 ZFS \u7684\u5f00\u9500\u3002<\/p>\n<h3>\u6302\u8f7d\u9009\u9879\u4e0e\u5185\u6838\u53c2\u6570<\/h3>\n<p>\u6302\u8f7d\u9009\u9879\u80fd\u5e26\u6765\u663e\u8457\u5dee\u5f02\u3002\u5e38\u7528\u8c03\u6574\uff1a<\/p>\n<ul>\n<li>noatime \u6216 nodiratime\uff1a\u907f\u514d\u6bcf\u6b21\u8bfb\u53d6\u66f4\u65b0\u8bbf\u95ee\u65f6\u95f4\uff0c\u51cf\u5c11\u5199\u64cd\u4f5c\uff1b<\/li>\n<li>data=writeback \/ journal tuning\uff08ext4\/xfs\uff09\uff1a\u6743\u8861\u4e00\u81f4\u6027\u4e0e\u6027\u80fd\uff1b<\/li>\n<li>discard \/ fstrim\uff1a\u5bf9\u4e8e SSD\/NVMe\uff0c\u5b9a\u671f fstrim \u6bd4\u5f00\u673a\u542f\u7528 discard \u66f4\u7a33\u59a5\uff0c\u907f\u514d\u5728\u7ebf discard \u5bfc\u81f4\u5ef6\u8fdf\u7a81\u589e\uff1b<\/li>\n<li>\u8c03\u6574 I\/O \u8c03\u5ea6\u5668\uff1a\u5728\u865a\u62df\u5316\u73af\u5883\u4e2d\uff0c\u4f7f\u7528 mq-deadline \u6216 none\uff08\u5728\u591a\u961f\u5217\u8bbe\u5907\u5982 NVMe\/virtio-scsi \u4e0b\uff09\u901a\u5e38\u66f4\u4f18\uff1b<\/li>\n<li>sysctl \u8c03\u4f18\uff1avm.dirty_ratio\u3001vm.dirty_background_ratio\u3001vm.dirty_expire_centisecs \u7b49\u5f71\u54cd\u5199\u56de\u884c\u4e3a\uff0c\u8bbe\u7f6e\u66f4\u4f4e\u7684 dirty_ratio \u53ef\u964d\u4f4e\u7a81\u53d1\u5199\u5165\u5e26\u6765\u7684\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h3>\u5feb\u7167\u3001\u5907\u4efd\u4e0e COW (Copy-on-Write) \u7684\u6027\u80fd\u8003\u91cf<\/h3>\n<p>\u4f7f\u7528\u57fa\u4e8e\u5feb\u7167\u7684\u5907\u4efd\uff08\u5982 LVM snapshot\u3001qcow2\u3001Ceph RBD snapshot\uff09\u867d\u7136\u65b9\u4fbf\uff0c\u4f46\u5feb\u7167\u5728\u9ad8\u5199\u8d1f\u8f7d\u4e0b\u4f1a\u5f15\u53d1\u6027\u80fd\u4e0b\u964d\u3002\u539f\u56e0\u5728\u4e8e COW \u7279\u6027\u5bfc\u81f4\u989d\u5916\u7684\u5143\u6570\u636e\u64cd\u4f5c\u548c\u968f\u673a\u5199\u653e\u5927\u3002<\/p>\n<p>\u5b9e\u6218\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u5728\u9ad8\u5199\u573a\u666f\u5c3d\u91cf\u51cf\u5c11\u5feb\u7167\u957f\u5ea6\u548c\u6570\u91cf\uff0c\u4f7f\u7528\u589e\u91cf\u5907\u4efd\u66ff\u4ee3\u9891\u7e41\u5feb\u7167\uff1b<\/li>\n<li>\u5bf9\u4e8e\u6570\u636e\u5e93\u7c7b\u8d1f\u8f7d\uff0c\u53ef\u4f7f\u7528\u6570\u636e\u5e93\u5185\u7f6e\u5907\u4efd\u7ed3\u5408\u6587\u4ef6\u7cfb\u7edf\/\u5757\u8bbe\u5907\u5feb\u7167\uff08\u5c3d\u91cf\u4fdd\u8bc1\u5feb\u7167\u65f6\u95f4\u77ed\uff09\uff1b<\/li>\n<li>\u8bc4\u4f30\u865a\u62df\u5316\u5b58\u50a8\u683c\u5f0f\uff08raw vs qcow2\uff09\uff0craw \u6027\u80fd\u6700\u597d\u4f46\u5c11\u5feb\u7167\u529f\u80fd\uff0cqcow2 \u652f\u6301\u5feb\u7167\u4f46\u5728\u968f\u673a\u5199\u4e0a\u5f00\u9500\u66f4\u5927\u3002<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u6d4b\u8bd5\u4e0e\u76d1\u63a7\u5b9e\u6218<\/h2>\n<h3>\u57fa\u51c6\u6d4b\u8bd5\u5de5\u5177\u4e0e\u6307\u6807<\/h3>\n<p>\u5e38\u7528\u5de5\u5177\u5305\u62ec fio\u3001hdparm\u3001iostat\u3001blktrace\u3001fio \u7684\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<p><code>fio --name=randrw --rw=randrw --rwmixread=70 --bs=4k --size=10G --numjobs=4 --iodepth=64 --direct=1 --filename=\/dev\/vdb<\/code><\/p>\n<p>\u5173\u6ce8\u6307\u6807\uff1aIOPS\u3001\u5e73\u5747\u5ef6\u8fdf\uff08lat\uff09\u300199th\/95th \u767e\u5206\u4f4d\u5ef6\u8fdf\u3001\u541e\u5410\uff08MB\/s\uff09\u4ee5\u53ca CPU \u7b49\u8d44\u6e90\u5360\u7528\u3002\u591a\u7ef4\u76d1\u63a7\u80fd\u5e2e\u52a9\u627e\u5230\u74f6\u9888\u662f\u5b58\u50a8\u3001\u7f51\u7edc\u8fd8\u662f CPU\u3002<\/p>\n<h3>\u6392\u67e5\u6d41\u7a0b\u5efa\u8bae<\/h3>\n<ul>\n<li>\u786e\u8ba4\u865a\u62df\u5316\u7c7b\u578b\u4e0e\u8bbe\u5907\u9a71\u52a8\uff08virtio-blk vs virtio-scsi\uff09\uff0c\u4f7f\u7528\u6700\u65b0\u9a71\u52a8\u901a\u5e38\u80fd\u63d0\u5347\u6027\u80fd\uff1b<\/li>\n<li>\u68c0\u67e5\u961f\u5217\u6df1\u5ea6\uff08queue_depth\uff09\u4e0e I\/O \u8c03\u5ea6\u5668\uff1b<\/li>\n<li>\u901a\u8fc7 blktrace\/blkparse \u5206\u6790\u5b9e\u9645 I\/O \u6a21\u5f0f\uff0c\u5224\u65ad\u662f\u5426\u5b58\u5728\u4e0d\u5bf9\u9f50\u3001\u8fc7\u5ea6\u5c0f\u5757\u5199\u5165\u6216\u540c\u6b65\u5199\u5bfc\u81f4\u963b\u585e\uff1b<\/li>\n<li>\u9010\u5c42\u6392\u67e5\uff1a\u5e94\u7528 \u2192 \u6587\u4ef6\u7cfb\u7edf \u2192 LVM\/\u5feb\u7167 \u2192 \u865a\u62df\u5316\u5c42 \u2192 \u540e\u7aef\u7269\u7406\u5b58\u50a8\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u4f18\u52bf\u5bf9\u6bd4<\/h2>\n<h3>\u9759\u6001\u7f51\u7ad9\/\u4f4e\u5e76\u53d1\u4e1a\u52a1<\/h3>\n<p>\u4f7f\u7528 ext4\u3001\u65e0\u9700 LVM\u3001\u9ed8\u8ba4\u6302\u8f7d\u9009\u9879\u5e76\u5f00\u542f noatime \u901a\u5e38\u8db3\u591f\u3002\u53ef\u4ee5\u4f18\u5148\u9009\u62e9\u6210\u672c\u8f83\u4f4e\u7684\u9999\u6e2fVPS \u6216 \u7f8e\u56fdVPS\uff0c\u6839\u636e\u76ee\u6807\u7528\u6237\u5206\u5e03\u51b3\u5b9a\u5c31\u8fd1\u90e8\u7f72\uff08\u9762\u5411\u4e9a\u592a\u7528\u6237\u63a8\u8350\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u9762\u5411\u5317\u7f8e\u7528\u6237\u63a8\u8350\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u3002<\/p>\n<h3>\u6570\u636e\u5e93\/\u9ad8\u5e76\u53d1\u5199\u5165<\/h3>\n<p>\u5efa\u8bae\u4f7f\u7528 xfs \u6216 ext4\uff08\u914d\u5408\u5408\u9002\u7684 journaling \u8bbe\u7f6e\uff09\uff0c\u907f\u514d LVM thin \u6216\u9891\u7e41\u5feb\u7167\u3002\u4f7f\u7528\u76f4\u901a NVMe \u6216\u9ad8\u6027\u80fd SSD\uff0c\u8c03\u6574 vm.dirty_* \u53c2\u6570\uff0c\u589e\u5927 I\/O depth \u5e76\u4f7f\u7528\u5408\u9002\u7684\u961f\u5217\u8c03\u5ea6\u5668\u3002<\/p>\n<h3>\u5bb9\u5668\u5316\u4e0e\u955c\u50cf\u5bc6\u96c6\u8bfb\u5199<\/h3>\n<p>\u8003\u8651\u4f7f\u7528\u4e13\u95e8\u7684\u5206\u5c42\u5b58\u50a8\uff08\u5982\u955c\u50cf\u4ed3\u5e93\u540e\u7aef\uff09\u3001\u5c06\u955c\u50cf\u7f13\u5b58\u653e\u5230\u72ec\u7acb\u5206\u533a\u6216\u5185\u5b58\uff08tmpfs\uff09\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u5feb\u7167\u4e0e CoW \u5e26\u6765\u7684\u5199\u653e\u5927\u5728\u6b64\u573a\u666f\u5c24\u4e3a\u660e\u663e\uff0c\u9700\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u9009\u62e9 raw \u6216\u53d7\u63a7\u7684 CoW \u7b56\u7565\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\uff08\u9999\u6e2fVPS\u4e0e\u8de8\u5730\u57df\u8003\u91cf\uff09<\/h2>\n<p>\u9009\u8d2d VPS \u65f6\uff0c\u5173\u4e8e\u5b58\u50a8\u7684\u51e0\u70b9\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>\u786e\u8ba4\u540e\u7aef\u5b58\u50a8\u7c7b\u578b\uff1a\u4f18\u5148\u9009\u62e9 NVMe \u6216\u4f01\u4e1a\u7ea7 SSD\uff0c\u907f\u514d\u5171\u4eab\u4f4e\u6027\u80fd HDD\uff1b<\/li>\n<li>\u4e86\u89e3\u865a\u62df\u5316\u6280\u672f\u4e0e\u8bbe\u5907\u9a71\u52a8\uff1aKVM + virtio-scsi \u5728\u591a\u6570\u573a\u666f\u4e0b\u8868\u73b0\u7a33\u5b9a\uff0c\u76f4\u901a\u8bbe\u5907\uff08PCIe passthrough\uff09\u5728\u6027\u80fd\u8981\u6c42\u6781\u9ad8\u65f6\u53ef\u8003\u8651\uff1b<\/li>\n<li>\u8bc4\u4f30\u5feb\u7167\/\u5907\u4efd\u7b56\u7565\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\uff1a\u82e5\u9700\u8981\u9891\u7e41\u5feb\u7167\uff0c\u5e94\u9009\u62e9\u652f\u6301\u9ad8\u6548\u5feb\u7167\u673a\u5236\u7684\u540e\u7aef\u6216\u5728\u903b\u8f91\u4e0a\u9694\u79bb\u5199\u5bc6\u96c6\u578b\u6570\u636e\uff1b<\/li>\n<li>\u6309\u5730\u57df\u9009\u62e9\u8282\u70b9\uff1a\u9762\u5411\u4e9a\u592a\u7528\u6237\u7684\u4e1a\u52a1\u4f18\u5148\u9999\u6e2f\u670d\u52a1\u5668\u4ee5\u964d\u4f4e\u7f51\u7edc\u5ef6\u8fdf\uff1b\u82e5\u9762\u5411\u7f8e\u56fd\u5e02\u573a\u5219\u53ef\u9009\u62e9\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\uff1b<\/li>\n<li>\u6d4b\u8bd5\u5e76\u9a8c\u8bc1\uff1a\u4f7f\u7528 fio \u4e0e\u4e1a\u52a1\u538b\u6d4b\u811a\u672c\u5728\u4e0a\u7ebf\u524d\u5bf9\u78c1\u76d8 IOPS\u3001\u5ef6\u8fdf\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5\uff0c\u786e\u4fdd\u6ee1\u8db3 SLA \u8981\u6c42\u3002<\/li>\n<\/ul>\n<p>\u6b64\u5916\uff0c\u5173\u6ce8\u670d\u52a1\u5546\u662f\u5426\u63d0\u4f9b\u81ea\u52a9\u6269\u5bb9\u3001\u5feb\u7167\u7ba1\u7406\u4e0e\u76d1\u63a7\u544a\u8b66\uff0c\u8fd9\u4e9b\u529f\u80fd\u80fd\u964d\u4f4e\u8fd0\u7ef4\u6210\u672c\u5e76\u63d0\u524d\u53d1\u73b0\u6027\u80fd\u4e0b\u964d\u98ce\u9669\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5206\u533a\u8868\u548c\u78c1\u76d8\u5e03\u5c40\u5bf9\u9999\u6e2f VPS \u7684 I\/O \u6027\u80fd\u6709\u7740\u76f4\u63a5\u4e14\u6df1\u8fdc\u7684\u5f71\u54cd\u3002\u4ece\u4f7f\u7528 GPT\u3001\u4fdd\u6301\u5206\u533a\u5bf9\u9f50\u3001\u5408\u7406\u9009\u62e9\u6587\u4ef6\u7cfb\u7edf\u548c LVM \u7b56\u7565\uff0c\u5230\u8c03\u4f18\u6302\u8f7d\u9009\u9879\u3001\u5185\u6838\u53c2\u6570\u4e0e\u5feb\u7167\u7b56\u7565\uff0c\u6bcf\u4e00\u6b65\u90fd\u4f1a\u5f71\u54cd\u6700\u7ec8\u7684\u541e\u5410\u4e0e\u5ef6\u8fdf\u8868\u73b0\u3002\u5b9e\u6218\u4e2d\u5e94\u7ed3\u5408\u57fa\u51c6\u6d4b\u8bd5\uff08fio\u3001iostat\u3001blktrace\uff09\u4e0e\u76d1\u63a7\u6570\u636e\u9010\u5c42\u6392\u67e5\u74f6\u9888\uff0c\u5e76\u6839\u636e\u4e1a\u52a1\u7c7b\u578b\uff08\u9759\u6001\u7ad9\u70b9\u3001\u6570\u636e\u5e93\u3001\u5bb9\u5668\u5316\u573a\u666f\uff09\u91c7\u7528\u4e0d\u540c\u7684\u4f18\u5316\u7ec4\u5408\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u9999\u6e2f\u6216\u8de8\u5730\u57df\u90e8\u7f72\u65f6\u5f97\u5230\u7a33\u5b9a\u6027\u80fd\u7684\u7528\u6237\uff0c\u52a1\u5fc5\u5728\u8d2d\u4e70\u524d\u786e\u8ba4\u5e95\u5c42\u5b58\u50a8\u7c7b\u578b\u4e0e\u865a\u62df\u5316\u5b9e\u73b0\uff0c\u5e76\u5728\u4e0a\u7ebf\u524d\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u9999\u6e2fVPS \u7684\u4ea7\u54c1\u4e0e\u914d\u7f6e\u9009\u9879\uff0c\u53ef\u4ee5\u8bbf\u95ee Server.HK \u7684\u4ea7\u54c1\u9875\u67e5\u770b\u5177\u4f53\u89c4\u683c\u4e0e\u6d4b\u8bd5\u4fe1\u606f\uff1a<a href=\"https:\/\/www.server.hk\/cloud.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.server.hk\/cloud.php<\/a>\u3002\u53e6\u5916\uff0cServer.HK \u7ad9\u70b9\uff08<a href=\"https:\/\/www.server.hk\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.server.hk\/<\/a>\uff09\u4e5f\u63d0\u4f9b\u66f4\u591a\u90e8\u7f72\u4e0e\u8fd0\u7ef4\u76f8\u5173\u7684\u53c2\u8003\u8d44\u6599\uff0c\u4fbf\u4e8e\u7ad9\u957f\u4e0e\u4f01\u4e1a\u7528\u6237\u505a\u51fa\u66f4\u5408\u9002\u7684\u9009\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u9999\u6e2f\u90e8\u7f72 VPS \u65f6\uff0c\u9999\u6e2f VPS \u5206\u533a\u8868\u7684\u8bbe\u8ba1\u76f4\u63a5\u5de6\u53f3 I\/O \u6027\u80fd\u4e0e\u7a33\u5b9a\u6027\uff1b\u672c\u6587\u4ee5\u5b9e\u6218\u7ecf\u9a8c\u5e26\u4f60\u4e00\u6b65\u6b65\u4f18\u5316\u5206\u533a\u8868\u4e0e\u78c1\u76d8\u5e03\u5c40\uff0c\u964d\u4f4e\u5ef6\u8fdf\u5e76\u63d0\u5347\u541e\u5410\u91cf\u3002\u65e0\u8bba\u4f60\u662f\u9ad8\u5e76\u53d1\u7ad9\u957f\u3001\u5173\u952e\u4e1a\u52a1\u7684\u4f01\u4e1a\u7528\u6237\uff0c\u8fd8\u662f\u5bb9\u5668\u5316\u5f00\u53d1\u8005\uff0c\u8fd9\u4e9b\u7b56\u7565\u90fd\u80fd\u5e2e\u4f60\u5728\u9999\u6e2f\u6216\u6d77\u5916 VPS \u4e0a\u505a\u51fa\u66f4\u7a33\u59a5\u7684\u5b58\u50a8\u51b3\u7b56\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4927],"tags":[2722,2721,2718,874,2719,2723,2720,107],"class_list":{"0":"post-209376","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4927","7":"tag-gptmbr","8":"tag-i-o","9":"tag-vps","11":"tag-2719","12":"tag-2723","13":"tag-2720"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209376"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209376\/revisions"}],"predecessor-version":[{"id":209377,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209376\/revisions\/209377"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}