{"id":4697,"date":"2020-10-30T00:55:10","date_gmt":"2020-10-29T16:55:10","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=4697"},"modified":"2020-10-30T00:55:10","modified_gmt":"2020-10-29T16:55:10","slug":"%e6%ba%90%e7%a0%81%e8%a7%a3%e8%af%bb-tdengine-%e4%b8%ad%e7%ba%bf%e7%a8%8b%e6%b1%a0%e7%9a%84%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/4697","title":{"rendered":"\u6e90\u7801\u89e3\u8bfb TDengine \u4e2d\u7ebf\u7a0b\u6c60\u7684\u5b9e\u73b0"},"content":{"rendered":"

\u539f\u6587\u5730\u5740<\/a><\/p>\n

 <\/p>\n

\n
\n

\u8fd9\u7bc7\u6587\u7ae0<\/a>\u4e2d\u63d0\u5230\u4e86 tsched \u7684\u6e90\u7801\u53ef\u4ee5\u4e00\u8bfb\uff0c\u6240\u4ee5\u53bb\u9605\u8bfb\u4e86\u4e00\u4e0b\uff0c\u603b\u5171220\u6765\u884c\u3002<\/p>\n

1. \u9605\u8bfb\u524d\u5de5\u4f5c<\/h2>\n

\u901a\u8fc7\u4e0a\u6587<\/a>\u4e86\u89e3\u5230\u8fd9\u6bb5\u7a0b\u5e8f\u5b9e\u73b0\u7684\u662f\u4e00\u4e2a\u4efb\u52a1\u961f\u5217\uff0c\u540c\u65f6\u5e26\u6709\u7ebf\u7a0b\u6c60\u3002\u8fd9\u6bb5\u7a0b\u5e8f\u662f\u8ba1\u7b97\u673a\u64cd\u4f5c\u7cfb\u7edf\u91cc\u7ecf\u5178\u7684consumer-producer (\u751f\u4ea7\u8005-\u6d88\u8d39\u8005)\u95ee\u9898\u7684\u5b9e\u73b0\u3002\u51e1\u662f\u5b66\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u8fd9\u95e8\u8bfe\u7684\uff0c\u90fd\u5e94\u8be5\u77e5\u9053\u8fd9\u4e2a\u95ee\u9898\uff0c\u505a\u8fc7\u4e60\u9898\u3002\u5728\u9605\u8bfb\u6e90\u7801\u4e4b\u524d\u53ef\u4ee5\u5148\u5c1d\u8bd5\u7528\u4f2a\u4ee3\u7801\u5b9e\u73b0\u4e0a\u8ff0\u751f\u4ea7\u8005-\u6d88\u8d39\u8005\u95ee\u9898\u3002<\/p>\n

2. \u5982\u4f55\u9605\u8bfb\uff1f<\/h2>\n

\u4e86\u89e3\u6e05\u695a\u4f7f\u7528\u573a\u666f<\/h3>\n

\u8fd9\u662f\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u63d0\u4ea4\u4efb\u52a1\uff0c\u7ebf\u7a0b\u6c60\u6309\u7167\u987a\u5e8f\u8c03\u5ea6\u6267\u884c\u4efb\u52a1\u3002\u901a\u8fc7\u9605\u8bfb tsched.h \u5934\u6587\u4ef6<\/a>\uff0c\u77e5\u9053\u4e3b\u8981\u6709\u4e09\u4e2a\u51fd\u6570\uff1a<\/p>\n

    \n
  1. \u521d\u59cb\u5316\u547d\u540d\u7684\u8c03\u5ea6\u5668\u3001\u7ebf\u7a0b\u6c60\uff1ataosInitScheduler<\/li>\n
  2. \u751f\u4ea7\u8005\u63d0\u4ea4\u67d0\u4e2a\u4efb\u52a1\uff1ataosScheduleTask<\/li>\n
  3. \u7a0b\u5e8f\u7ed3\u675f\u65f6\u7684\u6e05\u7406\u5de5\u4f5c\uff1ataosCleanUpScheduler<\/li>\n<\/ol>\n

    \u901a\u8fc7\u641c\u7d22\u4e0a\u8ff0\u4e09\u4e2a\u51fd\u6570\u7684\u8c03\u7528\uff0c \u77e5\u9053\u521d\u59cb\u5316\u4e86\u4e24\u4e2a\u8c03\u5ea6\u5668\uff0c\u6709\u4e09\u4e2a\u5730\u65b9\u4f1a\u63d0\u4ea4\u4efb\u52a1\u3002<\/p>\n

    \u4e24\u4e2a\u7ebf\u7a0b\u6c60<\/h3>\n
      \n
    1. \u5b9a\u65f6\u5668\u91cc\u7684\u00a0tmr \u7ebf\u7a0b\u6c60<\/a>\u00a0: \u961f\u5217\u957f\u5ea6\u4e00\u4e07\uff0c\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u670d\u52a1\u3002\u6b64\u7ebf\u7a0b\u4f1a\u6267\u884c\u5230\u671f\u7684 timer<\/a>\u00a0\u7684\u56de\u8c03\u51fd\u6570<\/a>\u3002<\/li>\n
    2. tsc \u7ebf\u7a0b\u6c60<\/a>\uff1a\u961f\u5217\u957f\u5ea6\u4e00\u4e07\uff0c\u7ebf\u7a0b\u6570\u91cf\u4e3a\u6240\u5728\u673a\u5668 CPU \u6838\u5fc3\u6570\u7684\u4e00\u534a\u3002\u8fd9\u4e9b\u7ebf\u7a0b\u8d1f\u8d23<\/a>\uff1a\u5f02\u6b65\u64cd\u4f5c\u5982\u6267\u884c\u8bed\u53e5<\/a>\uff0c\u56fa\u5b9a\u5927\u5c0f\u6ed1\u52a8\u7a97\u53e3\u6d41\u5f0f\u6570\u636e\u5904\u7406<\/a><\/li>\n<\/ol>\n

      \u4e24\u4e2a\u751f\u4ea7\u8005<\/h3>\n

      \u4e0a\u9762\u63d0\u5230\u4e86\uff0c\u6709\u4e09\u4e2a\u751f\u4ea7\u8005\u4f1a\u63d0\u4ea4\u4efb\u52a1\u7ed9\u7ebf\u7a0b\u6c60\uff1a<\/p>\n

        \n
      1. timer<\/a><\/li>\n
      2. stream<\/a><\/li>\n<\/ol>\n

        \u4e86\u89e3\u4e86\u6e05\u695a\u4f7f\u7528\u65b9\u3001\u4f7f\u7528\u573a\u666f\u540e\uff0c\u5c31\u5bb9\u6613\u8bfb\u61c2\u903b\u8f91\u4e86\u3002\u8fd9\u91cc\u662f\u4e00\u4e2a\u6807\u51c6\u7684\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u7684\u95ee\u9898\uff0c\u7528\u7684\u4e5f\u662f\u6807\u51c6\u89e3\u6cd5\uff1a\u4f7f\u7528\u4e00\u4e2a\u4e92\u65a5\u91cf\uff0c\u4e24\u4e2a\u4fe1\u53f7\u91cf\u3002\u7ebf\u7a0b\u6c60\u4f7f\u7528\u00a0pthread<\/a>\u00a0\u6765\u521b\u5efa\u3002<\/p>\n

        \u5173\u952e\u7684\u6570\u636e\u7ed3\u6784<\/h3>\n

        SSchedQueue<\/a>\u00a0\u91cc\u9762\u5c31\u662f\u4e0a\u8ff0\u95ee\u9898\u4e2d\u7684\u6838\u5fc3\u6570\u636e\u7ed3\u6784\uff0c\u9664\u4e86\u653e\u7f6e\u4e0a\u8ff0\u63d0\u5230\u7684\u4e92\u65a5\u91cf\uff0c\u4fe1\u53f7\u91cf\uff0c\u8fd8\u9700\u8981\u4e00\u4e2a\u961f\u5217\u6765\u5b58\u50a8\u8981\u5177\u4f53\u6267\u884c\u7684\u4efb\u52a1\u3002<\/p>\n

        SSchedMsg<\/a>\u00a0\u7ed3\u6784\u6765\u8868\u793a\u7ebf\u7a0b\u6c60\u4efb\u52a1\uff0c\u5305\u542b\u8981\u6267\u884c\u7684\u5177\u4f53\u51fd\u6570\u53ca\u6240\u9700\u53c2\u6570\u3002<\/p>\n

        \u6e90\u7801\u91cc\u6ce8\u91ca\u5e76\u4e0d\u591a\uff0c\u53ea\u80fd\u901a\u8fc7\u770b\u5177\u4f53\u5b9e\u73b0\u6765\u4e86\u89e3\u4e0a\u8ff0\u652f\u6301\u7684\u6267\u884c\u6a21\u5f0f\u3002\u770b\u5230\u652f\u6301\u4e24\u79cd\u6a21\u5f0f<\/a>\uff1a\u6267\u884cfp\uff0c\u6216\u8005\u6267\u884c tfp(ahandle, thandle)\u3002<\/p>\n

        \u6838\u5fc3\u8c03\u5ea6\u903b\u8f91<\/h3>\n

        \u4e0a\u9762\u63d0\u5230\u4e86\u751f\u4ea7\u8005\uff0c\u4e00\u76f4\u6ca1\u6709\u63d0\u5230\u6d88\u8d39\u8005\u3002\u63a5\u7740\u8bfb sched.c \u91cc\u7684\u6e90\u7801\uff0c\u53ef\u4ee5\u770b\u5230\u6d88\u8d39\u8005\u5c31\u662f\u7ebf\u7a0b\u6c60\u91cc\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u4e3b\u6846\u67b6\u903b\u8f91\uff1a taosProcessSchedQueue\u3002\u5e73\u5e38\u8fd9\u4e9b\u7ebf\u7a0b\u5904\u4e8e\u963b\u585e\u72b6\u6001\uff0c\u7b49\u5f85\u4efb\u52a1\u3002\u4e00\u65e6\u751f\u4ea7\u8005\u63d0\u4ea4\u4efb\u52a1\u540e\uff0c\u5c31\u4f1a\u901a\u77e5\u5230\u6d88\u8d39\u8005\u3002\u6d88\u8d39\u8005\u62ff\u5230\u63d0\u4ea4\u7684\u4efb\u52a1\u53ca\u53c2\u6570\uff0c\u53bb\u6267\u884c\u3002\u6267\u884c\u5b8c\u4e4b\u540e\u7ee7\u7eed\u8fdb\u5165\u4e0a\u8ff0\u963b\u585e\u7684\u72b6\u6001\uff0c\u8fd9\u6837\u5468\u800c\u590d\u59cb\u3002<\/p>\n

        \u8fd9\u91cc\u6709\u4e2a\u7591\u95ee\uff0c\u6d88\u8d39\u8005\u548c\u751f\u4ea7\u8005\u4e4b\u95f4\u662f\u5f02\u6b65\u7684\u3002\u6d88\u8d39\u5b8c\u4e4b\u540e\uff0c\u603b\u5f97\u6709\u529e\u6cd5\u901a\u77e5\u6d88\u8d39\u8005\uff0c\u8fd9\u4e00\u6b65\u5728\u54ea\u91cc\u505a\u5462\uff1f\u8bfb\u5230\u8fd9\u91cc\u53ef\u4ee5\u82b1\u70b9\u65f6\u95f4\u7ffb\u7ffb\u6e90\u7801\uff0c\u627e\u627e\u7b54\u6848\u3002<\/p>\n

        \u5176\u5b9e\u79d8\u5bc6\u4e5f\u85cf\u5728\u5f53\u65f6\u63d0\u4ea4\u4efb\u52a1\u7684\u6570\u636e\u7ed3\u6784\u91cc\u3002TDengine \u91cc\u6709\u6837\u4f8b\u4ee3\u7801\uff0c\u7ffb\u4e86\u7ffb\uff0c\u627e\u5230\u4e86\u8fd9\u4e2a\u00a0async demo<\/a>\u3002\u53ef\u4ee5\u770b\u5230 taos_query_a \u5c31\u662f\u4e00\u4e2a\u5f02\u6b65\u7684query\u51fd\u6570\uff0c\u91cc\u9762\u5e26\u4e86 query\u8bed\u53e5\u5f02\u6b65\u6267\u884c\u5b8c\u6210\u540e\u7684\u56de\u8c03\u51fd\u6570\uff1ataos_insert_call_back)\u3002<\/p>\n

        3. \u4e00\u4e9b\u601d\u8003<\/h2>\n

        \u770b\u7684\u65f6\u5019\u5185\u5fc3\u4e0d\u65ad\u5728\u601d\u8003\u3001\u5bf9\u6bd4\uff0c\u6bd4\u5982\u4f18\u52bf\u3001\u52a3\u52bf\u662f\u4ec0\u4e48\uff1f\u6211\u4f1a\u600e\u4e48\u5b9e\u73b0<\/p>\n

        \u4f18\u52bf<\/h3>\n

        \u4e3a\u4f55\u4f7f\u7528\u7ebf\u7a0b\u6c60\uff1f<\/p>\n

          \n
        1. \u901a\u8fc7\u56fa\u5b9a\u7ebf\u7a0b\u6c60\u5927\u5c0f\u6765\u56fa\u5b9a\u8d44\u6e90\u5f00\u9500\uff0c\u800c\u4e14\u662f\u7a0b\u5e8f\u521d\u59cb\u5316\u65f6\u7533\u8bf7\u8d44\u6e90\uff0c\u8fd9\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u91cc\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5982\u679c\u8d44\u6e90\u4e0d\u591f\u7528\uff0c\u90a3\u5c31\u5feb\u901f\u5931\u8d25\uff0c\u5728\u7a0b\u5e8f\u4e00\u5f00\u59cb\u542f\u52a8\u65f6\u5c31\u62a5\u9519\u3002<\/li>\n
        2. \u590d\u7528\u4e86\u7ebf\u7a0b\uff0c\u56e0\u4e3a\u521b\u5efa\u3001\u9500\u6bc1\u7ebf\u7a0b\u90fd\u662f\u6709\u5f00\u9500\u7684\u3002\u8fd9\u6837\u5728\u9891\u7e41\u521b\u5efa\u3001\u9500\u6bc1\u7ebf\u7a0b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u8282\u7701\u5f00\u9500\uff0c\u590d\u7528\u4e4b\u524d\u7684\u7ebf\u7a0b\u3002<\/li>\n
        3. \u4efb\u52a1\u548c\u7ebf\u7a0b\u89e3\u8026\uff1a\u9700\u8981\u4f7f\u7528\u591a\u7ebf\u7a0b\u7684\u5730\u65b9\uff0c\u53ea\u7ba1\u63d0\u4ea4\u4efb\u52a1\u5c31\u597d\u4e86\u3002\u7ebf\u7a0b\u7684\u521d\u59cb\u5316\u3001\u8fd0\u884c\u3001\u72b6\u6001\u5207\u6362\u7531\u7ebf\u7a0b\u6c60\u6765\u8d1f\u8d23\u3002<\/li>\n<\/ol>\n

          \u52a3\u52bf<\/h3>\n
            \n
          1. \u64cd\u4f5c\u5f02\u6b65\u5316\uff0c\u5bf9\u7a0b\u5e8f\u5458\u7684\u5fc3\u667a\u8981\u6c42\u66f4\u9ad8\u3002\u9700\u8981\u4f7f\u7528\u56de\u8c03\u51fd\u6570\uff0c\u9700\u8981\u5b58\u50a8\u4e0a\u4e0b\u6587\u3002\u4f46\u662f\u5728\u4e0a\u8ff0\u573a\u666f\u91cc\u8fd8\u597d\uff0c \u90fd\u662f\u4e00\u4e9b\u56fa\u5b9a\u7684\u903b\u8f91\u3002<\/li>\n
          2. \u8c03\u8bd5\u8f83\u9ebb\u70e6\uff0c\u4e0d\u662f\u76f4\u6765\u76f4\u53bb\u7684\u903b\u8f91\u3002\u9700\u8981\u901a\u8fc7\u5206\u6790\u4e0a\u4e0b\u6587\u53ca\u56de\u8c03\u51fd\u6570\u91cc\u7684\u65e5\u5fd7\u6765\u5206\u6790\u95ee\u9898\u3002<\/li>\n<\/ol>\n

            \u6709\u6ca1\u6709\u5176\u4ed6\u5b9e\u73b0\u65b9\u5f0f\uff1f<\/h3>\n

            \u5982\u679c\u7528 Go \u8bed\u8a00\u5b9e\u73b0\uff0c\u4f1a\u5f88\u7b80\u5355\u3002\u4f7f\u7528 channel \u6765\u505a\u4efb\u52a1\u5206\u53d1\uff0c\u672c\u8eab\u5c31\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/p>\n

            \u4f7f\u7528 C \u6765\u5199\uff0c\u4e2a\u4eba\u89c9\u5f97\u4f1a\u9650\u5236 TDengine \u7684\u5f00\u6e90\u53c2\u4e0e\u65b9\u3002\u56e0\u4e3a\u73b0\u5728\u5e02\u573a\u4e0a\u4f1a C \u7684\u4eba\u6bd4\u8f83\u5c11\uff0c\u800c\u4e14\u4e3b\u8981\u96c6\u4e2d\u5728\u5d4c\u5165\u5f0f\u9886\u57df\u3002\u800c\u4e14 C \u7684\u751f\u6001\u4e00\u822c\uff0c\u8bed\u8a00\u7684\u8f6e\u5b50\u6bd4\u8f83\u5c11\uff0c\u6240\u4ee5\u5f88\u591a\u5de5\u4f5c\u90fd\u9700\u8981\u81ea\u5df1\u505a\uff0c\u6bd4\u5982 http server\uff0crpc \u7b49\u3002\u5982\u679c\u8ba9\u6211\u6765\u8bbe\u8ba1\u5b9e\u73b0 TDengine\uff0c\u6211\u53ef\u80fd\u4f1a\u4f18\u5148\u8003\u8651 Rust\uff0c\u65e2\u80fd\u7cbe\u51c6\u63a7\u5236\u5185\u5b58\uff0c\u53c8\u6709\u6bd4\u8f83\u5b8c\u5584\u7684\u793e\u533a\uff0c\u800c\u4e14\u8bed\u8a00\u5904\u4e8e\u4e0a\u5347\u671f\uff0c\u5bb9\u6613\u6210\u4e3a\u5176\u4e2d\u7684\u660e\u661f\u9879\u76ee\uff0c\u4f1a\u6709\u63a8\u5e7f\u4f18\u52bf\uff0c\u6bd4\u5982\u80fd\u5438\u5f15\u4e00\u4e9b\u672c\u8eab\u5bf9\u6570\u636e\u5e93\u4e0d\u600e\u4e48\u5173\u6ce8\uff0c\u4f46\u662f\u5bf9 Rust \u611f\u5174\u8da3\u7684\u7a0b\u5e8f\u5458\u3002<\/p>\n

            4. \u4e00\u4e2a\u601d\u8003\u9898<\/h2>\n

            \u901a\u8fc7\u641c\u7d22\u00a0pthread_create<\/a>\u00a0\u53ef\u4ee5\u53d1\u73b0\u7cfb\u7edf\u4e2d\u8fd8\u6709\u5176\u4ed6\u521b\u5efa\u7ebf\u7a0b\u7684\u5730\u65b9\uff0c\u5e76\u6ca1\u6709\u7528\u5230\u4e0a\u8ff0\u7684\u7ebf\u7a0b\u6c60\uff0c\u6bd4\u5982\u00a0dnodeMWrite<\/a>,\u00a0TcpPool<\/a>\uff0ccache<\/a>\uff0csync<\/a>\u7b49\u3002\u8fd9\u4e9b\u5730\u65b9\u4e3a\u4ec0\u4e48\u6ca1\u6709\u4f7f\u7528\u7ebf\u7a0b\u6c60\u5462\uff1f<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

            \u539f\u6587\u5730\u5740   \u8fd9\u7bc7\u6587\u7ae0\u4e2d\u63d0\u5230\u4e86<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[119],"class_list":["post-4697","post","type-post","status-publish","format-standard","hentry","tag-03-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4697","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=4697"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/4697\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=4697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=4697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=4697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}