{"id":32922,"date":"2026-08-31T14:00:00","date_gmt":"2026-08-31T06:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32922"},"modified":"2026-08-31T15:24:47","modified_gmt":"2026-08-31T07:24:47","slug":"server-ntp-chrony-deployment","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/server-ntp-chrony-deployment\/","title":{"rendered":"NTP chrony \u65f6\u949f\u6f02\u79fb\u6392\u969c\u5b9e\u6218\uff1a\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\u6307\u5357"},"content":{"rendered":"

\"\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65<\/p>\n

\u4e3a\u4ec0\u4e48\u670d\u52a1\u5668\u65f6\u95f4\u5fc5\u987b\u4fdd\u6301\u540c\u6b65<\/h2>\n

\u670d\u52a1\u5668\u65f6\u949f\u4e00\u65e6\u51fa\u73b0\u6f02\u79fb\uff0c\u5f88\u591a\u770b\u4f3c\u65e0\u5173\u7684\u6545\u969c\u4f1a\u9646\u7eed\u6d6e\u73b0\uff1a\u65e5\u5fd7\u65f6\u95f4\u6233\u4e0e\u771f\u5b9e\u4e8b\u4ef6\u5bf9\u4e0d\u4e0a\uff0cSSL\uff08Secure Sockets Layer\uff0c\u5b89\u5168\u5957\u63a5\u5c42\uff09\u8bc1\u4e66\u56e0”\u65f6\u949f\u8d85\u51fa\u6709\u6548\u671f”\u6821\u9a8c\u5931\u8d25\u800c\u62a5\u9519\uff0c\u6570\u636e\u5e93\u590d\u5236\u56e0\u65f6\u95f4\u6233\u51b2\u7a81\u4e2d\u65ad\uff0ccron\uff08\u5b9a\u671f\u6267\u884c\u7684\u5b9a\u65f6\u4efb\u52a1\uff09\u5728\u9519\u8bef\u7684\u65f6\u523b\u89e6\u53d1\u3002\u8fd9\u7bc7\u6307\u5357\u6559\u4f60\u7528 chrony \u4e3a Linux \u670d\u52a1\u5668\u5efa\u7acb\u7a33\u5b9a\u7684\u65f6\u95f4\u540c\u6b65\uff0c\u5e76\u5728\u65f6\u949f\u6f02\u79fb\u51fa\u73b0\u65f6\u5feb\u901f\u627e\u5230\u539f\u56e0\u3002<\/p>\n

\u65f6\u95f4\u540c\u6b65\u6307\u7684\u662f\u8ba9\u670d\u52a1\u5668\u672c\u5730\u65f6\u949f\u6301\u7eed\u5bf9\u9f50\u5230\u4e00\u4e2a\u53ef\u4fe1\u7684\u65f6\u95f4\u6e90\u3002\u73b0\u4ee3\u7cfb\u7edf\u7edd\u5927\u591a\u6570\u573a\u666f\u91c7\u7528 NTP\uff08Network Time Protocol\uff0c\u7f51\u7edc\u65f6\u95f4\u534f\u8bae\uff09\u65b9\u6848\uff1a\u5ba2\u6237\u7aef\u5468\u671f\u6027\u5411\u65f6\u95f4\u670d\u52a1\u5668\u8bf7\u6c42\u6807\u51c6\u65f6\u95f4\uff0c\u518d\u6309\u5f80\u8fd4\u5ef6\u8fdf\u4e0e\u504f\u79fb\u91cf\u4fee\u6b63\u672c\u5730\u65f6\u949f\u3002\u6b63\u786e\u914d\u7f6e\u540e\uff0c\u670d\u52a1\u5668\u65f6\u949f\u504f\u5dee\u53ef\u4ee5\u7a33\u5b9a\u63a7\u5236\u5728\u6beb\u79d2\u7ea7\u3002<\/p>\n

\u9700\u8981\u5148\u660e\u786e\u4e00\u70b9\uff1a\u65f6\u95f4\u540c\u6b65\u4e0d\u662f”\u88c5\u4e2a\u8f6f\u4ef6\u5c31\u4e07\u4e8b\u5927\u5409”\u3002\u6e90\u670d\u52a1\u5668\u53ef\u8fbe\u6027\u3001\u9632\u706b\u5899 UDP \u7aef\u53e3\u3001\u670d\u52a1\u5668\u8d1f\u8f7d\u3001\u786c\u4ef6\u7535\u6c60\u8001\u5316\uff0c\u90fd\u4f1a\u5f71\u54cd\u540c\u6b65\u6548\u679c\u3002\u4e0b\u6587\u56f4\u7ed5\u8fd9\u4e9b\u7ef4\u5ea6\u7ed9\u51fa\u53ef\u843d\u5730\u7684\u68c0\u67e5\u65b9\u6cd5\uff0c\u5e2e\u52a9\u4f60\u4e00\u6b21\u6027\u628a\u65f6\u95f4\u540c\u6b65\u914d\u7f6e\u5230\u4f4d\u3002<\/p>\n

\u7406\u89e3 chrony \u4e0e\u65f6\u949f\u6f02\u79fb<\/h2>\n

chrony \u662f\u5e7f\u6cdb\u7528\u4e8e\u73b0\u4ee3 Linux \u53d1\u884c\u7248\u7684\u65f6\u95f4\u540c\u6b65\u5b88\u62a4\u8fdb\u7a0b\uff0c\u8bbe\u8ba1\u76ee\u6807\u662f\u66ff\u4ee3\u8001\u724c\u7684 ntpd\uff0c\u5c24\u5176\u9002\u5408\u865a\u62df\u5316\u73af\u5883\u3001\u95f4\u6b47\u6027\u8054\u7f51\u4e3b\u673a\u4ee5\u53ca\u9700\u8981\u5feb\u901f\u6536\u655b\u7684\u573a\u666f\u3002Debian \u7cfb\u3001RHEL \u7cfb\u4ee5\u53ca\u4f17\u591a\u4e91\u955c\u50cf\u90fd\u9ed8\u8ba4\u968f chrony \u4e00\u8d77\u5b89\u88c5\u3002<\/p>\n

\u65f6\u949f\u6f02\u79fb\uff08clock drift\uff09\u6e90\u81ea\u786c\u4ef6\u632f\u8361\u5668\u9891\u7387\u7684\u5fae\u5c0f\u504f\u5dee\u3002\u5373\u4fbf\u662f\u8d28\u91cf\u4e0d\u9519\u7684\u670d\u52a1\u5668\u4e3b\u677f\uff0c\u77f3\u82f1\u6676\u632f\u6bcf\u5929\u4e5f\u53ef\u80fd\u4ea7\u751f\u6570\u767e\u6beb\u79d2\u5230\u6570\u79d2\u7684\u7d2f\u8ba1\u504f\u5dee\uff0c\u6e29\u5ea6\u3001\u4f9b\u7535\u7a33\u5b9a\u6027\u3001CPU \u8d1f\u8f7d\u90fd\u4f1a\u653e\u5927\u8fd9\u4e00\u504f\u5dee\u3002\u6f02\u79fb\u6301\u7eed\u7d2f\u79ef\uff0c\u82e5\u957f\u65f6\u95f4\u4e0d\u540c\u6b65\uff0c\u504f\u5dee\u4f1a\u4ece\u6beb\u79d2\u7ea7\u6da8\u5230\u5206\u949f\u7ea7\u3002<\/p>\n

\"\u670d\u52a1\u5668\u672c\u5730\u65f6\u949f\u4e0e\u670d\u52a1\u7aef\u65f6\u95f4\u6e90\u4e4b\u95f4\u4ea7\u751f\u504f\u79fb\u7684\u5bf9\u6bd4\u793a\u610f\u56fe\"<\/p>\n

chrony \u9488\u5bf9\u6f02\u79fb\u505a\u4e86\u4e24\u70b9\u4f18\u5316\uff1a\u4e00\u662f\u6301\u7eed\u4f30\u7b97\u672c\u5730\u65f6\u949f\u7684\u6f02\u79fb\u901f\u7387\u5e76\u7eb3\u5165\u4fee\u6b63\uff1b\u4e8c\u662f\u652f\u6301\u5e73\u6ed1\u6b65\u8fdb\uff08slewing\uff09\uff0c\u504f\u5dee\u8f83\u5927\u65f6\u9010\u6e10\u8c03\u5feb\u65f6\u949f\u800c\u975e\u77ac\u95f4\u8df3\u8dc3\uff0c\u907f\u514d\u6570\u636e\u5e93\u7b49\u5b9e\u65f6\u670d\u52a1\u56e0\u65f6\u95f4\u9aa4\u53d8\u51fa\u9519\u3002\u8fd9\u4e24\u70b9\u8ba9 chrony \u5728\u865a\u62df\u673a\u70ed\u8fc1\u79fb\u3001\u7f51\u7edc\u6296\u52a8\u4e25\u91cd\u7684\u573a\u666f\u4e0b\u8868\u73b0\u4f18\u4e8e\u4f20\u7edf\u65b9\u6848\u3002<\/p>\n

\u5b89\u88c5\u5e76\u542f\u7528 chrony \u670d\u52a1<\/h2>\n

\u5728\u591a\u6570\u4e3b\u6d41\u53d1\u884c\u7248\u4e0a\uff0cchrony \u7684\u5b89\u88c5\u4e0e\u542f\u7528\u90fd\u5f88\u76f4\u63a5\u3002\u4ee5 Ubuntu \/ Debian \u4e3a\u4f8b\uff1a<\/p>\n

\n sudo apt update\n sudo apt install -y chrony\n sudo systemctl enable --now chrony\n<\/pre>\n
\u4ee5 CentOS \/ RHEL \/ AlmaLinux \u4e3a\u4f8b\uff1a<\/p>\n
\n sudo dnf install -y chrony\n sudo systemctl enable --now chronyd\n<\/pre>\n
\u5b89\u88c5\u5b8c\u6210\u540e\u5148\u786e\u8ba4\u670d\u52a1\u5904\u4e8e active \u72b6\u6001\uff1a<\/p>\n
\n sudo systemctl status chrony\n sudo chronyc tracking\n<\/pre>\n
chronyc tracking<\/code> \u662f chrony \u7684\u547d\u4ee4\u884c\u5ba2\u6237\u7aef\uff0c\u4f1a\u663e\u793a\u5f53\u524d\u540c\u6b65\u72b6\u6001\u3001\u4e0e\u6e90\u7684\u504f\u5dee\uff08offset\uff09\u4ee5\u53ca\u4f30\u8ba1\u6f02\u79fb\u7387\u3002\u770b\u5230 Leap status : Normal<\/code> \u4e14 System time<\/code> \u504f\u5dee\u5408\u7406\uff0c\u8bf4\u660e\u57fa\u7840\u540c\u6b65\u5df2\u5efa\u7acb\uff1b\u82e5\u62a5\u9519\u6216\u663e\u793a\u672a\u540c\u6b65\uff0c\u8bf7\u770b\u4e0b\u9762\u7684\u914d\u7f6e\u90e8\u5206\u3002<\/p>\n
\u914d\u7f6e\u53ef\u9760\u7684\u65f6\u95f4\u6e90<\/h2>\n
chrony \u7684\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u4e8e \/etc\/chrony\/chrony.conf<\/code>\uff08Debian \u7cfb\u4e0e RHEL \u7cfb\u8def\u5f84\u4e00\u81f4\uff09\u3002\u6838\u5fc3\u901a\u8fc7 pool<\/code> \u6216 server<\/code> \u6307\u4ee4\u58f0\u660e\u65f6\u95f4\u6e90\u3002<\/p>\n
\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\uff0c\u628a\u65f6\u95f4\u6e90\u66ff\u6362\u4e3a\u4f60\u6240\u5728\u533a\u57df\u53ef\u8fbe\u7684\u6e90\u3002\u4ee5\u4e0b\u662f\u4ee5\u963f\u91cc\u4e91\u3001\u817e\u8baf\u4e91\u5e38\u7528 NTP \u670d\u52a1\u5668\u4ee5\u53ca\u516c\u5171\u6e90\u4e3a\u4f8b\u7684\u5199\u6cd5\uff1a<\/p>\n
\n pool ntp.aliyun.com iburst\n pool ntp1.aliyun.com iburst\n server time.cloudflare.com iburst\n<\/pre>\n
iburst<\/code> \u8868\u793a\u542f\u52a8\u65f6\u5feb\u901f\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\uff0c\u5728\u51e0\u79d2\u5185\u5b8c\u6210\u9996\u6b21\u540c\u6b65\uff0c\u800c\u4e0d\u662f\u7b49\u9ed8\u8ba4\u8f6e\u8be2\u5468\u671f\u3002\u914d\u7f6e\u5b8c\u6210\u540e\u91cd\u542f\u670d\u52a1\u5e76\u68c0\u67e5\u540c\u6b65\uff1a<\/p>\n
\n sudo systemctl restart chrony\n sudo chronyc sources -v\n<\/pre>\n
chronyc sources -v<\/code> \u4f1a\u5217\u51fa\u6bcf\u4e2a\u65f6\u95f4\u6e90\u7684\u5e94\u7b54\u72b6\u6001\u3002^*<\/code> \u524d\u7f00\u8868\u793a\u8be5\u6e90\u88ab\u9009\u4e3a\u5f53\u524d\u6709\u6548\u540c\u6b65\u6e90\uff0c^*<\/code> \u51fa\u73b0\u8bf4\u660e\u540c\u6b65\u94fe\u8def\u6b63\u5e38\uff1b^?<\/code> \u5219\u4ee3\u8868\u6e90\u4e0d\u53ef\u8fbe\u3002\u9762\u5411\u56fd\u5185\u4e1a\u52a1\u65f6\uff0c\u4f18\u5148\u4f7f\u7528\u963f\u91cc\u4e91\u3001\u817e\u8baf\u4e91\u7684 NTP \u6e90\u80fd\u83b7\u5f97\u66f4\u4f4e\u5f80\u8fd4\u5ef6\u8fdf\uff1b\u9762\u5411\u6d77\u5916\u4e1a\u52a1\uff0ctime.cloudflare.com<\/code> \u7b49\u516c\u5171\u6e90\u5f80\u5f80\u66f4\u5408\u9002\u3002<\/p>\n
\u9700\u8981\u7559\u610f\uff0cNTP \u4f7f\u7528 UDP 123 \u7aef\u53e3\u3002\u82e5\u542f\u7528\u4e86\u9632\u706b\u5899\uff0c\u8bf7\u653e\u884c UDP 123 \u7684\u51fa\u7ad9\u4e0e\u5165\u7ad9\u6d41\u91cf\uff0c\u5426\u5219\u5ba2\u6237\u7aef\u53d1\u4e0d\u51fa\u8bf7\u6c42\u3001\u670d\u52a1\u7aef\u4e5f\u6536\u4e0d\u5230\u5e94\u7b54\uff0cchronyc sources<\/code> \u4f1a\u6301\u7eed\u663e\u793a ^?<\/code>\u3002\u5173\u4e8e\u8bbf\u95ee\u63a7\u5236\u4e0e\u9650\u6d41\u7684\u505a\u6cd5\uff0c\u53ef\u53c2\u8003 Nginx limit_req \u9650\u6d41\u9632\u62a4<\/a>\u3002<\/p>\n
\u5904\u7406\u663e\u8457\u7684\u65f6\u95f4\u8df3\u8dc3<\/h2>\n
\u5982\u679c\u4f60\u786e\u8ba4\u5f53\u524d\u6ca1\u6709\u91cd\u8981\u7684\u5b9e\u65f6\u4e8b\u52a1\u5728\u8dd1\uff0c\u53ef\u4ee5\u901a\u8fc7 makestep<\/code> \u6307\u4ee4\u5141\u8bb8\u5927\u504f\u5dee\u65f6\u7acb\u5373\u6b65\u8fdb\u3002\u5728\u914d\u7f6e\u6587\u4ef6\u91cc\u52a0\u5165\uff1a<\/p>\n
\n makestep 1 3\n<\/pre>\n
makestep 1 3<\/code> \u7684\u542b\u4e49\u662f\uff1a\u5f53\u504f\u5dee\u8d85\u8fc7 1 \u79d2\uff08\u793a\u4f8b\u533a\u95f4\uff0c\u53ef\u6309\u9700\u8c03\u5927\uff09\uff0c\u4e14\u5728\u524d 3 \u6b21\u65f6\u949f\u66f4\u65b0\u5c1d\u8bd5\u4e2d\u5141\u8bb8\u6b65\u8fdb\u3002\u9ed8\u8ba4\u914d\u7f6e\u901a\u5e38\u5df2\u5305\u542b\u7c7b\u4f3c\u7684 makestep 1 -1<\/code>\uff08-1<\/code> \u8868\u793a\u4e0d\u9650\u5236\u6b21\u6570\uff09\uff0c\u82e5\u81ea\u884c\u8986\u76d6\u8be5\u884c\uff0c\u52a1\u5fc5\u786e\u8ba4\u8bed\u4e49\u3002\u624b\u52a8\u5f3a\u5236\u5373\u65f6\u540c\u6b65\u53ef\u6267\u884c\uff1a<\/p>\n
\n sudo chronyc makestep\n<\/pre>\n
\u6267\u884c\u540e\u518d\u6b21\u67e5\u770b chronyc tracking<\/code>\uff0c\u786e\u8ba4 System time<\/code> \u548c Last offset<\/code> \u56de\u843d\u3002\u5bf9\u4e8e\u65f6\u95f4\u504f\u5dee\u6781\u5927\u7684\u673a\u5668\uff0c\u8fd9\u662f\u6700\u5feb\u7684\u6062\u590d\u624b\u6bb5\u3002<\/p>\n
\u6301\u4e45\u5316\u4e0e\u786c\u4ef6\u65f6\u949f<\/h2>\n
\u670d\u52a1\u5668\u62e5\u6709\u4e24\u5957\u65f6\u949f\uff1a\u7cfb\u7edf\u65f6\u949f\u4e0e\u786c\u4ef6\u65f6\u949f\uff08RTC\uff0cReal-Time Clock\uff0c\u5b9e\u65f6\u65f6\u949f\uff09\u3002chrony \u53ea\u7ba1\u7cfb\u7edf\u65f6\u949f\uff0c\u4f46\u5f00\u673a\u77ac\u95f4\u7cfb\u7edf\u65f6\u949f\u9700\u8981\u4ece\u786c\u4ef6\u65f6\u949f\u8bfb\u53d6\u521d\u59cb\u503c\uff1b\u82e5\u786c\u4ef6\u65f6\u949f\u957f\u671f\u6ca1\u88ab\u6821\u6b63\uff0c\u91cd\u542f\u540e\u65f6\u95f4\u53c8\u4f1a\u88ab\u5e26\u504f\u3002<\/p>\n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u52a0\u5165 rtcsync<\/code> \u6307\u4ee4\uff0c\u8ba9 chrony \u5468\u671f\u6027\u628a\u7cfb\u7edf\u65f6\u95f4\u5199\u56de\u786c\u4ef6\u65f6\u949f\uff1a<\/p>\n
\n rtcsync\n<\/pre>\n
\u591a\u6570\u53d1\u884c\u7248\u9ed8\u8ba4\u5e26 rtcsync<\/code>\u3002\u82e5\u670d\u52a1\u5668\u9891\u7e41\u65ad\u7535\u91cd\u542f\uff0c\u5efa\u8bae\u663e\u5f0f\u786e\u8ba4\u8fd9\u884c\u5b58\u5728\u3002\u786c\u4ef6\u65f6\u949f\u7684\u7ebd\u6263\u7535\u6c60\u4e00\u822c\u80fd\u7ef4\u6301\u6570\u5e74\uff0c\u4e00\u65e6\u7535\u91cf\u8017\u5c3d\uff0c\u91cd\u542f\u540e\u65f6\u95f4\u4f1a\u56de\u5230\u51fa\u5382\u503c\u2014\u2014\u8fd9\u7c7b\u6545\u969c\u5f80\u5f80\u8868\u73b0\u4e3a”\u6bcf\u6b21\u91cd\u542f\u65f6\u95f4\u90fd\u9519”\uff0c\u9700\u8981\u66f4\u6362 CMOS \u7535\u6c60\uff0c\u8f6f\u4ef6\u914d\u7f6e\u65e0\u6cd5\u6839\u6cbb\u3002<\/p>\n
\u65f6\u949f\u6f02\u79fb\u7684\u5e38\u89c1\u6392\u969c\u8def\u5f84<\/h2>\n
\u65f6\u95f4\u540c\u6b65\u51fa\u95ee\u9898\u7684\u539f\u56e0\u53ef\u5f52\u4e3a\u51e0\u7c7b\uff0c\u53ef\u6309\u4e0b\u9762\u987a\u5e8f\u6392\u67e5\u3002<\/p>\n
\u65f6\u95f4\u6e90\u4e0d\u53ef\u8fbe\u3002<\/strong> \u5148\u770b chronyc sources -v<\/code> \u662f\u5426\u51fa\u73b0 ^?<\/code>\u3002\u53ef\u80fd\u539f\u56e0\uff1aUDP 123 \u88ab\u9632\u706b\u5899\u62e6\u622a\u3001\u65f6\u95f4\u6e90\u57df\u540d\u89e3\u6790\u5931\u8d25\u3001\u6e90\u670d\u52a1\u5668\u6545\u969c\u3002\u6362\u4e00\u4e2a\u6e90\u518d\u8bd5\uff0c\u53ef\u6392\u9664\u5355\u4e2a\u6e90\u7684\u95ee\u9898\u3002\u82e5\u7ad9\u70b9\u540c\u65f6\u5b58\u5728\u8bc1\u4e66\u5f02\u5e38\uff0c\u53ef\u53c2\u8003 Certbot SSL \u8bc1\u4e66\u6392\u969c<\/a>\u3002<\/p>\n
\u672c\u5730\u65f6\u949f\u6f02\u79fb\u8fc7\u5927\u3002<\/strong> \u5982\u679c chronyc tracking<\/code> \u663e\u793a\u7684 Estimated drift<\/code> \u6570\u503c\u5f02\u5e38\u5927\uff0c\u8bf4\u660e\u672c\u5730\u632f\u8361\u5668\u504f\u5dee\u660e\u663e\uff0c\u53ef\u80fd\u53d7\u9ad8\u6e29\u6216\u9ad8\u8d1f\u8f7d\u5f71\u54cd\u3002\u53ef\u5728\u670d\u52a1\u5668\u7a7a\u8f7d\u65f6\u6bb5\u91cd\u65b0\u6821\u51c6\uff0c\u89c2\u5bdf\u6f02\u79fb\u7387\u662f\u5426\u56de\u843d\u3002<\/p>\n
\u865a\u62df\u673a\u65f6\u95f4\u8df3\u8dc3\u3002<\/strong> \u5728 KVM\u3001VMware \u7b49\u865a\u62df\u5316\u73af\u5883\u91cc\uff0c\u5bbf\u4e3b\u673a\u65f6\u949f\u6296\u52a8\u4f1a\u4f20\u5bfc\u7ed9\u865a\u62df\u673a\u3002\u53ef\u5c1d\u8bd5\u6539\u7528 TSC\uff08Timestamp Counter\uff0c\u65f6\u95f4\u6233\u8ba1\u6570\u5668\uff09\u65f6\u949f\u6e90\uff0c\u5e76\u5728\u914d\u7f6e\u4e2d\u907f\u514d\u9891\u7e41 makestep<\/code>\uff0c\u6539\u7528\u5e73\u6ed1\u6821\u51c6\u3002<\/p>\n
DNS \u89e3\u6790\u5931\u8d25\u3002<\/strong> NTP \u6e90\u901a\u5e38\u7528\u57df\u540d\u914d\u7f6e\uff0c\u82e5\u670d\u52a1\u5668\u7684 DNS\uff08Domain Name System\uff0c\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u5f02\u5e38\uff0c\u57df\u540d\u89e3\u6790\u4e0d\u5230 IP\uff0c\u540c\u6b65\u540c\u6837\u5931\u8d25\u3002\u53ef\u4e34\u65f6\u6539\u7528 IP \u5f62\u5f0f\u7684 server<\/code> \u6307\u4ee4\u9a8c\u8bc1\u662f\u5426\u4e3a DNS \u95ee\u9898\uff0c\u786e\u8ba4\u540e\u518d\u6062\u590d\u57df\u540d\u5199\u6cd5\u3002\u628a\u6839\u56e0\u5148\u5b9a\u4f4d\u6e05\u695a\u518d\u52a8\u624b\uff0c\u8fd9\u4e00\u6392\u969c\u601d\u8def\u4e0e MySQL \u6162\u67e5\u8be2\u5206\u6790<\/a> \u5f3a\u8c03\u7684\u65b9\u6cd5\u8bba\u4e00\u81f4\u3002<\/p>\n
\"\u90e8\u7f72<\/p>\n
\u76d1\u63a7\u540c\u6b65\u72b6\u6001\u7684\u957f\u671f\u505a\u6cd5<\/h2>\n
\u65f6\u95f4\u540c\u6b65\u4e0d\u662f\u4e00\u6b21\u6027\u64cd\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6301\u7eed\u89c2\u5bdf\u7684\u6307\u6807\u3002\u5efa\u8bae\u628a”\u65f6\u949f\u504f\u5dee”\u7eb3\u5165\u670d\u52a1\u5668\u57fa\u7840\u76d1\u63a7\uff0c\u4e0e CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u7b49\u6307\u6807\u4e00\u540c\u5de1\u68c0\u3002\u53ef\u4ee5\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u5065\u5eb7\u68c0\u67e5\u811a\u672c\uff0c\u5468\u671f\u8bfb\u53d6 chronyc tracking<\/code> \u7684\u8f93\u51fa\uff0c\u5f53 System time<\/code> \u7edd\u5bf9\u503c\u8d85\u8fc7\u8bbe\u5b9a\u9608\u503c\uff08\u4f8b\u5982 100 \u6beb\u79d2\uff0c\u793a\u4f8b\u533a\u95f4\uff09\u65f6\u89e6\u53d1\u544a\u8b66\u3002<\/p>\n
\u5bf9\u4e8e\u5df2\u7ecf\u8dd1\u7740\u6570\u636e\u5e93\u3001\u7f13\u5b58\u7684\u673a\u5668\uff0c\u65f6\u95f4\u504f\u5dee\u8fc7\u5927\u53ef\u80fd\u5f15\u53d1\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898\u3002MySQL \u6162\u65e5\u5fd7\u7684\u65f6\u95f4\u6233\u82e5\u5931\u771f\uff0c\u4f1a\u5e72\u6270\u6392\u969c\u7ed3\u8bba\uff08\u8be6\u89c1 MySQL \u6162\u67e5\u8be2\u5206\u6790<\/a>\uff09\uff1bRedis \u7684\u8fc7\u671f\u7b56\u7565\u4f9d\u8d56\u65f6\u95f4\u6233\uff0c\u65f6\u949f\u8df3\u8dc3\u4f1a\u5bfc\u81f4\u90e8\u5206\u952e\u63d0\u524d\u6216\u5ef6\u540e\u8fc7\u671f\uff0c\u8fdb\u800c\u5f71\u54cd\u7f13\u5b58\u547d\u4e2d\u7387\uff08\u53ef\u53c2\u8003 Redis \u6301\u4e45\u5316\u4e0e\u6062\u590d\u673a\u5236<\/a>\uff09\u3002<\/p>\n
\u628a\u8fd9\u4e9b\u4f9d\u8d56\u65f6\u95f4\u7684\u670d\u52a1\u4e32\u8d77\u6765\u770b\uff0c\u65f6\u95f4\u540c\u6b65\u662f\u5b83\u4eec\u5171\u540c\u7684\u5730\u57fa\u3002\u5efa\u8bae\u5b9a\u671f\u7528 chronyc tracking<\/code> \u62bd\u67e5\uff0c\u6216\u5728\u76d1\u63a7\u9762\u677f\u4e2d\u52a0\u5165\u65f6\u95f4\u504f\u5dee\u66f2\u7ebf\u3002<\/p>\n
\u603b\u7ed3\u4e0e\u884c\u52a8\u5efa\u8bae<\/h2>\n
\u670d\u52a1\u5668\u65f6\u95f4\u540c\u6b65\u662f\u8fd0\u7ef4\u91cc\u6210\u672c\u6700\u4f4e\u3001\u6536\u76ca\u5374\u5f88\u9ad8\u7684\u57fa\u7840\u5de5\u7a0b\u3002\u90e8\u7f72 chrony\u3001\u914d\u7f6e\u53ef\u9760\u7684\u65f6\u95f4\u6e90\u3001\u5141\u8bb8\u5fc5\u8981\u65f6\u7684 makestep\u3001\u4fdd\u6301 rtcsync \u6301\u4e45\u5316\uff0c\u56db\u6b65\u5373\u53ef\u6784\u5efa\u7a33\u5b9a\u7684\u65f6\u95f4\u540c\u6b65\u94fe\u8def\uff1b\u518d\u7ed3\u5408 chronyc tracking<\/code> \u4e0e chronyc sources -v<\/code>\uff0c\u7edd\u5927\u591a\u6570\u65f6\u949f\u6f02\u79fb\u95ee\u9898\u90fd\u80fd\u5728\u51e0\u5206\u949f\u5185\u5b9a\u4f4d\u3002<\/p>\n
\u5efa\u8bae\u4f60\u5148\u628a\u65f6\u95f4\u6e90\u914d\u7f6e\u4e0e makestep<\/code>\u3001rtcsync<\/code> \u843d\u5230\u6d4b\u8bd5\u670d\u52a1\u5668\u4e0a\u9a8c\u8bc1\uff0c\u518d\u63a8\u5e7f\u5230\u751f\u4ea7\u73af\u5883\u3002\u751f\u4ea7\u53d8\u66f4\u524d\u52a1\u5fc5\u5907\u4efd \/etc\/chrony\/chrony.conf<\/code>\uff0c\u53d8\u66f4\u540e\u901a\u8fc7 chronyc sources -v<\/code> \u786e\u8ba4 ^*<\/code> \u6e90\u51fa\u73b0\u3002\u5982\u679c\u4f60\u9700\u8981\u4e00\u53f0\u62e5\u6709\u5b8c\u6574 root \u6743\u9650\u3001\u4fbf\u4e8e\u81ea\u4e3b\u914d\u7f6e\u65f6\u95f4\u540c\u6b65\u4e0e\u5404\u7c7b\u57fa\u7840\u670d\u52a1\u7684\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4e86\u89e3 Hostease \u7684 \u72ec\u7acb\u670d\u52a1\u5668<\/a> \u65b9\u6848\uff1b\u82e5\u5e0c\u671b\u4ee5\u8f83\u4f4e\u6210\u672c\u542f\u52a8\u5e76\u9010\u6b65\u6269\u5c55\uff0cVPS<\/a>\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff0c\u5373\u5728\u4e00\u53f0\u7269\u7406\u673a\u4e0a\u9694\u79bb\u51fa\u7684\u72ec\u7acb\u8fd0\u884c\u73af\u5883\uff09\u4e3b\u673a\u65b9\u6848<\/a> \u4e5f\u662f\u5408\u7406\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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