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src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634853\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>DSL\u63a5\u8fd1\u6570\u5b66\u516c\u5f0f\/\u903b\u8f91\u8868\u8fbe\u5f0f\u660e\u6587<\/h3>\n<p>\u793e\u533a\u641c\u7d22\u3001\u793e\u533a\u63a8\u8350\u7684\u7cbe\u6392\u878d\u5408\u516c\u5f0f\uff0c\u670d\u52a1\u4e86\u201c\u591a\u76ee\u6807\u878d\u5408+\u4e1a\u52a1boost\u8c03\u6743\u201d\uff0c\u8bed\u4e49\u5305\u542b\uff1a\u6570\u5b66\u53d8\u6362\u3001\u903b\u8f91\u5224\u65ad\u3001\u81ea\u5b9a\u4e49UDF\u3002\u5f53\u7b97\u6cd5\u5199\u4e0b\u4e00\u4e32sin(log(max(UDF(x), y)))\uff0c\u6846\u67b6\u80fd\u5426\u63a5\u4f4f\uff1f\u6846\u67b6\u5fc5\u987b\u6258\u5e95\uff0c\u6b63\u786e\u6821\u9a8c\u4e0e\u6267\u884c\uff0c\u675c\u7edd\u201c\u914d\u9519\u5373\u5d29\u201d\u3002<\/p>\n<p>\u4ece\u52a0\u4e58\u68111.0\u52303.0\uff0c\u516c\u5f0f\u89e3\u6790\u7edf\u4e00\u9009\u7528 ANTLR\u3002\u76f8\u6bd4\u624b\u6413\u201c\u9006\u6ce2\u5170\u8868\u8fbe\u5f0f\u201d\u6216\u201cFlex &#038; 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\u6846\u67b6\u5c06\u516c\u5f0f\u94fe\u76f4\u63a5\u7ffb\u8bd1\u6210\u53ef\u6267\u884c\u4ee3\u7801\uff0c\u7528\u5b57\u8282\u7801\u6280\u672f\u52a0\u8f7d\u5230JVM\u4e2d\u3002\u6bcf\u4e2aitem\u76f4\u63a5\u8ba1\u7b97\u5373\u53ef\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634854\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u7f16\u8bd1\u6821\u9a8c\u4e0e\u964d\u7ea7\u4f53\u7cfb\u7b51\u7262\u7a33\u5b9a\u6027\u9632\u7ebf<\/h3>\n<p>\u5373\u914d\u5373\u7528\u7ed9\u7b97\u6cd5\u540c\u5b66\u8fed\u4ee3\u63d0\u6548\u5e26\u6765\u4fbf\u5229\uff0c\u540c\u65f6\u7ed9\u5de5\u7a0b\u7ef4\u7a33\u5e26\u6765\u6311\u6218\u3002\u5c24\u5176\u52a0\u4e58\u6811\u9762\u4e34\u7684\u914d\u7f6e\u662f\u53ef\u81ea\u7531\u7ec4\u5408\u3001\u5343\u53d8\u4e07\u5316\u7684\u6570\u5b66\u516c\u5f0f\u65f6\uff0c\u7edd\u5bf9\u4e0d\u80fd\u51fa\u73b0\u201c\u914d\u9519\u5373\u5d29\u201d\u7684\u60c5\u51b5\u3002\u6211\u4eec\u505a\u4e86\u5982\u4e0b\u4e00\u6574\u5957\u5b89\u5168\u8bbe\u8ba1\uff1a<\/p>\n<ul>\n<li><strong>\u7f16\u8bd1\u539f\u7406\u5f3a\u6821\u9a8c\uff1a<\/strong> \u5982\u4f55\u5e94\u5bf9\u65e0\u9650\u7ec4\u5408\u7684\u516c\u5f0f\u914d\u7f6e\uff1f\u52a0\u4e58\u6811\u9009\u62e9\u4e86\u7f16\u8bd1\u539f\u7406\u5f3a\u6821\u9a8c\uff0c\u7528\u4e86ANTLR\u6846\u67b6\uff0c\u628a\u516c\u5f0f\u6821\u9a8c&#038;\u89e3\u6790\u6210\u4e25\u8c28\u7684\u53ef\u8bbf\u95ee\u7ed3\u6784\uff08AST\uff09\u3002<\/li>\n<li><strong>DAG\u5f3a\u6821\u9a8c\u516c\u5f0f\u94fe\uff1a<\/strong> \u52a0\u4e58\u68113.0\u521d\u59cb\u5316\u9636\u6bb5\u81ea\u52a8\u89e3\u6790\u516c\u5f0f\u94fe\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4e00\u8fb9\u5c06\u516c\u5f0f\u94fe\u89e3\u6790\u6210DAG\u3001\u4e00\u8fb9\u5f3a\u6821\u9a8c\u3002\u80fd\u901a\u8fc7\u6821\u9a8c\u3001\u6700\u7ec8\u7f16\u6392\u6210DAG\u7684\u516c\u5f0f\uff0c\u624d\u4f1a\u8fdb\u5165\u5b9e\u9645\u8ba1\u7b97\uff1b\u4e0d\u80fd\u901a\u8fc7\u6821\u9a8c\u7684\u5371\u9669\u914d\u7f6e\uff08\u6f0f\u914d\u516c\u5f0f\u3001\u516c\u5f0f\u914d\u9519\uff09\u90fd\u4f1a\u5728\u521d\u59cb\u5316\u9636\u6bb5\u5c31\u88ab\u62e6\u622a\uff0c\u4e0d\u4f1a\u8fdb\u5165\u5b9e\u9645\u8ba1\u7b97\u3002<\/li>\n<li><strong>\u81ea\u52a8\u964d\u7ea7\u8303\u5f0f\uff1a<\/strong> \u52a0\u4e58\u6811\u8bbe\u8ba1\u4e86\u4e00\u5957\u81ea\u52a8\u964d\u7ea7\u8303\u5f0f\uff0c\u65b9\u4fbf\u201c\u524d\u7f6e\u62e6\u622a\u9519\u8bef\u3001\u4e8b\u4e2d\u6709\u6548\u6258\u5e95\u3001\u540e\u7f6e\u53d1\u51fa\u544a\u8b66\u201d\u3002\u4e00\u65e6\u6709\u9519\u8bef\u7684\u5b9e\u9a8c\u5f00\u6d41\u91cf\uff0c\u52a0\u4e58\u6811\u521d\u59cb\u5316\u9636\u6bb5\u5c31\u4f1a\u6821\u9a8c\u51fa\u9519\u8bef\uff0c\u5f53\u6b21\u8bf7\u6c42\u5ffd\u7565AB\u5b9e\u9a8c\u914d\u7f6e\u3001\u76f4\u63a5\u7528\u5168\u91cf\u914d\u7f6e\u8ba1\u7b97\uff0c\u5e76\u53ca\u65f6\u53d1\u51fa\u201c\u5b9e\u9a8c\u914d\u7f6e\u6709\u8bef\u201d\u7684\u544a\u8b66\u3002<\/li>\n<li><strong>\u4e32\u884c\u91cd\u7b97\u6258\u5e95\uff1a<\/strong> \u5982\u679c\u6709\u201c\u7f16\u8bd1\u539f\u7406\u6821\u9a8c\u201d\u3001\u201cDAG\u6821\u9a8c\u201d\u6ca1\u6709\u6821\u9a8c\u51fa\u7684\u610f\u5916\u600e\u4e48\u529e\uff1f\u5982\u679c\u6846\u67b6\u4ec5\u4ec5\u662f\u9ad8\u5cf0\u671f\u8ba1\u7b97\u8d85\u65f6\u5931\u8d25\u4e86\u600e\u4e48\u529e\uff1f\u52a0\u4e58\u6811\u6700\u540e\u4e00\u5c42\u5b89\u5168\u6258\u5e95\u662f\u201c\u7528\u5168\u91cf\u914d\u7f6e\u4e32\u884c\u91cd\u7b97\u201d\u3002\u65e0\u8bba\u5982\u4f55\u4fdd\u8bc1\u7ebf\u4e0a\u6548\u679c\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634855\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u56db\u3001\u6838\u5fc3\u653b\u575a\uff1a\u52a0\u4e58\u68113.0\u5347\u7ea7\u7f16\u8bd1\u6267\u884c<\/h2>\n<p>\u52a0\u4e58\u68112.0\u5728\u793e\u533a\u641c\u7d22\u843d\u5730\u540e\uff0c\u201c\u6bcf\u6b21\u8bf7\u6c423000\u4e2aitem\u3001\u7ebf\u7a0b\u5e76\u53d1\u62c6\u7684\u591a\u201d\u7684\u60c5\u51b5\uff0c\u66b4\u9732\u51fa\u52a0\u4e58\u6811\u8017CPU\u3001\u8017\u7ebf\u7a0b\u7684\u5f31\u70b9\u3002C++\u7248\u52a0\u4e58\u6811\u66ff\u6362\u4e86\u8ba1\u7b97\u5f15\u64ce\uff0c\u6ca1\u6709\u91c7\u7528antlr visitor\u89e3\u91ca\u6267\u884c\u6570\u5b66\u8fd0\u7b97\u7684\u65b9\u5f0f\uff0c\u800c\u662f\u7528exprtk\u6846\u67b6\u3001\u6536\u83b7\u4e86\u66f4\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n<p>\u53d7C++\u7248\u52a0\u4e58\u6811\u7684\u542f\u53d1\uff0c\u6211\u4eec\u8ba1\u5212\u66ff\u6362Java\u7248\u52a0\u4e58\u6811\u7684\u8ba1\u7b97\u5f15\u64ce\uff0c\u964dCPU\u6d88\u8017\u3001\u964d\u6267\u884c\u5e73\u54cd\u3002\u52a0\u4e58\u68113.0\u53d8\u6210\u201c\u76f4\u63a5\u5c06\u914d\u7f6e\u7ffb\u8bd1\u6210\u4ee3\u7801\uff0c\u5b57\u8282\u7801\u52a0\u8f7d\uff0c\u76f4\u63a5\u8ba1\u7b97\u201d\u7684\u7f16\u8bd1\u6267\u884c\u5f62\u6001\u3002<\/p>\n<h3>\u6781\u81f4\u6027\u80fd\uff1a\u914d\u7f6e\u76f4\u8bd1\u786c\u4ee3\u7801\uff0c\u96f6\u4e2d\u95f4\u635f\u8017 + \u6700\u4f18 JIT<\/h3>\n<p><strong>Antlr\u7ffb\u8bd1&#038;Javassist\u52a0\u8f7d\uff0c\u76f4\u63a5\u201c\u516c\u5f0f\u7ffb\u8bd1\u6210\u53ef\u6267\u884c\u4ee3\u7801\u201d\uff1a<\/strong> \u5305\u62ec\u591a\u884c\u516c\u5f0f\u7684\u4f9d\u8d56\u5173\u7cfb\u3001\u6570\u5b66\u8ba1\u7b97&#038;UDF\u8c03\u7528\uff0c\u76f4\u63a5\u62c9\u5e73\u6210\u786c\u4ee3\u7801\u3002\u786c\u4ee3\u7801\u6267\u884c\u6548\u7387\u6700\u9ad8\uff0c\u6ca1\u6709map\u7f13\u5b58\u3001\u9012\u5f52\u8c03\u7528\u6808\u7b49\u635f\u8017\u3002<\/p>\n<p><strong>\u591a\u884c\u516c\u5f0f\u4f20\u9012\u4e2d\u95f4\u7ed3\u679c\uff0cmap\u6362POJO\uff1a<\/strong> \u6bcf\u4e2aitem\u7ef4\u62a4\u81ea\u5df1\u7684\u7f13\u5b58map\uff0c\u9ad8\u5e76\u53d1put\/resize\uff0c\u9020\u6210\u660e\u663e\u7684CPU\u6d88\u8017\u3001youngGC\u538b\u529b\u3002\u672c\u6b21\u4f1a\u521d\u59cb\u5316\u65f6\u51b3\u7b56\u7f13\u5b58POJO\uff0c\u907f\u514dresize\u3001\u4e14\u8bfb\u5199\u66f4\u9ad8\u6548\u3002<\/p>\n<p><strong>\u6838\u5fc3Javassist\u7ba1\u7406\u7c7b\u501f\u9274Dubbo\u5199\u6cd5\uff1a<\/strong> Dubbo\u7684ClassGenerator\u5199\u6cd5\uff0c\u5bf9\u5185\u5b58\u7ba1\u7406\u8003\u8651\u6bd4\u8f83\u5b8c\u5584\u3002\u672c\u6b21\u501f\u9274ClassGenerator\uff0c\u628a\u52a8\u6001\u751f\u6210\u4ee3\u7801\u6536\u5165\u552f\u4e00\u7ba1\u7406\u5355\u4f8b\u7c7b\u3002<\/p>\n<h4>\u6027\u80fd\u6536\u76ca<\/h4>\n<p>\u665a\u9ad8\u5cf0\u6a21\u5757\u5e73\u54cd\u3001CPU\u706b\u7130\u56fe\u6d88\u8017\u548c\u5185\u5b58\u5206\u914d\u706b\u7130\u56fe\u6d88\u8017\u5747\u663e\u8457\u964d\u4f4e\u3002<\/p>\n<h4>\u5178\u578b\u8e29\u5751<\/h4>\n<p><strong>\u5b57\u8282\u7801\u52a0\u8f7d\u4e0d\u5bb9\u5fcd\u8bed\u6cd5\u7cd6\uff1a<\/strong><\/p>\n<p>\u52a8\u6001\u751f\u6210\u7684\u5b57\u8282\u7801\u5fc5\u987b\u4e25\u683c\u9075\u5faaJVM \u8303\uff0c\u5e73\u65f6\u4e60\u60ef\u624b\u5199\u7684Java\u6cd5\u7cd6\u662f\u4e0d\u5bb9\u5fcd\u7684\u3002\u4f8b\u5982\uff0cFloat a = (float) b; \u5728\u6e90\u7801\u4e2d\u5408\u6cd5\uff0c\u4f46\u82e5b\u662fDouble\u7c7b\u578b\uff0c\u8be5\u8bed\u53e5\u6d89\u53ca\u62c6\u7bb1 + \u7a84\u5316\u8f6c\u6362 + \u88c5\u7bb1\uff0c\u800c\u5b57\u8282\u7801\u5c42\u9762\u9700\u663e\u5f0f\u63d2\u5165doubleValue() \u2192 (float) cast \u2192 Float.valueOf() \u7b49\u6307\u4ee4\u3002\u82e5\u76f4\u63a5\u6309\u8868\u9762\u7c7b\u578b\u751f\u6210\u5b57\u8282\u7801\uff0c\u5c06\u89e6\u53d1VerifyError\u3002<\/p>\n<p><strong>OOM\u5728\u591a\u5904\u9700\u8981\u5173\u6ce8\uff1a<\/strong><\/p>\n<p>Javassist\u4f7f\u7528\u4e0d\u5f53\u5bb9\u6613OOM\uff1aJavassist \u5728\u751f\u6210\u548c\u64cd\u4f5c\u5b57\u8282\u7801\u65f6\uff08\u5982\u901a\u8fc7 CtClass\uff09\uff0c\u56e0\u4e3a\u5176\u7f13\u5b58\u673a\u5236\uff0c\u9700\u8981\u5f00\u53d1\u8005\u4e3b\u52a8\u7ba1\u7406\u8d44\u6e90\u91ca\u653e\u3002\u6bcf\u6b21parse\u5b57\u8282\u7801\u7684CtClass\u8981\u53ca\u65f6\u91ca\u653e\uff0c\u5426\u5219\u9ad8\u9891\u751f\u6210\u5b57\u8282\u7801\u5bb9\u6613\u89e6\u53d1OOM\u3002\u8fd9\u4e00\u70b9\u4e0a\uff0c\u52a0\u4e58\u6811\u53c2\u7167\u4e86Dubbo\u7684ClassGenerator\u5199\u6cd5\uff0c\u521b\u5efa\u3001\u9500\u6bc1\u5185\u805a\u5728\u540c\u4e00\u4e2a\u7c7b\u91cc\uff0c\u5373\u7528\u5373\u91ca\u653e\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634856\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u52a8\u6001\u751f\u6210ClassLoader\/Class\/Instance\u8981\u80fdGC\uff1aInstance\u80fdGC\uff0cClassLoader\/Class\u80fdGC\u5417\uff1f\u7b54\u6848\u662f\u80fd\uff0c\u53ea\u6709\u4eceClassLoader -&gt; Class -&gt; Instance\u5168\u94fe\u8def\u90fdGC Root\u4e0d\u53ef\u8fbe\u4e86\uff0c\u8fd9\u4e00\u4e32\u624d\u80fdGC\u3002\u6240\u4ee5\u7528Spring\u7684ClassLoader\u8fd9\u7c7b\u5e38\u9a7bClassLoader\u52a0\u8f7d\u52a8\u6001\u751f\u6210\u7c7b\u662f\u4e0d\u884c\u7684\uff0c\u5fc5\u987b\u7528\u5373\u7528\u5373\u5f03\u7684\u81ea\u5b9a\u4e49ClassLoader\uff0c\u5e76\u6ce8\u610f\u5168\u94fe\u8def\u7684\u5f3a\u5f15\u7528\u95ee\u9898\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634857\" alt=\"\" title=\"\" loading=\"lazy\"><br \/>\u6211\u4eec\u5b9e\u9645\u9a8c\u8bc1\u4e86\u52a8\u6001\u751f\u6210\u7684\u7c7b\u786e\u5b9e\u80fd\u88abGC\u6389\u3002<\/p>\n<h3>\u591a\u91cd\u62a4\u822a\uff1a\u9632\u6b62\u975e\u6cd5Java\u5b57\u8282\u7801\u5f15\u53d1\u7ebf\u4e0a\u95ee\u9898<\/h3>\n<p><strong>ASM + Javassist\u53cc\u91cd\u68c0\u9a8c\uff1a<\/strong> \u7ffb\u8bd1\u751f\u6210\u7684\u4ee3\u7801\uff0c\u7ecfJavassist\u751f\u6210\u5b57\u8282\u7801\u540e\uff0c\u9664Javassist .toClass()\u7684\u81ea\u68c0\u9a8c\uff0c\u6211\u4eec\u8fd8\u8ba9\u5b57\u8282\u7801\u8fc7\u4e86ASM\u7684\u5b57\u8282\u7801\u9759\u6001\u6821\u9a8c\uff08\u4f1a\u8fd0\u884c\u7c7b\u4f3cJVM\u7684\u7c7b\u578b\u63a8\u65ad\u9a8c\u8bc1\uff0c\u786e\u4fdd\u6bcf\u6761\u6307\u4ee4\u6267\u884c\u524d\u540e\uff0c\u5c40\u90e8\u53d8\u91cf\u8868\u548c\u64cd\u4f5c\u6570\u6808\u7684\u72b6\u6001\u662f\u7c7b\u578b\u5b89\u5168\u7684\uff09\u3002<\/p>\n<p><strong>\u6c99\u7bb1\u52a0\u8f7d\uff1a<\/strong> \u6211\u4eec\u5c06\u52a0\u4e58\u6811\u7ba1\u7406\u5e73\u53f0\u5c01\u88c5\u6210\u4e86\u4e00\u4e2a\u6c99\u7bb1\uff0c\u7b97\u6cd5\u540c\u5b66\u8c03\u8bd5\u516c\u5f0f\u70b9\u51fb\u201c\u6821\u9a8c\u201d\uff0c\u5e73\u53f0\u4f1a\u7528\u540c\u4e00\u5957SDK\u6a21\u62df\u7ebf\u4e0a\u5168\u5957\u52a0\u8f7d\u6d41\u7a0b:\u201cAST\u5f3a\u6821\u9a8c -&gt; DAG\u5f3a\u6821\u9a8c -&gt; \u771f\u5b9e\u7ffb\u8bd1\u4ee3\u7801 -&gt; Javassist &#038; ASM \u53cc\u6821\u9a8c -&gt; \u53cd\u5c04\u8c03\u7528\u6784\u9020\u5668\u521b\u5efa\u5b9e\u4f8b\u201d\uff0c\u4e00\u6574\u5957\u65e0\u8bef\u540e\u624d\u5f80\u7ebf\u4e0a\u63a8\u914d\u7f6e\u3002<\/p>\n<p><strong>\u7ebf\u4e0a\u5f02\u6b65\u52a0\u8f7d\uff0c\u4efb\u4f55\u95ee\u9898\u81ea\u52a8\u964d\u7ea7\uff1a<\/strong> \u201c\u53ef\u6267\u884c\u4ee3\u7801\uff08\u6267\u884c\u5668\uff09\u521d\u59cb\u5316\u201d\u8bfb\u5199\u5206\u79bb\uff0c\u65b0\u914d\u7f6e\u4e0a\u7ebf\u662f\u5f02\u6b65\u5237\u65b0\uff0c\u5237\u65b0\u9519\u8bef\u53ea\u4f1a\u9020\u6210\u7ebf\u4e0a\u6d41\u91cf\u8fc7\u6765\u627e\u4e0d\u5230\u6267\u884c\u5668\uff0c\u81ea\u52a8\u964d\u7ea7\u8d70\u5168\u91cf\u914d\u7f6e\uff08\u5e76\u53d1\u51fa\u544a\u8b66\uff09\uff0c\u4e0d\u5f71\u54cd\u6548\u679c\u3002<\/p>\n<p><strong>\u53ef\u56de\u9000\u89e3\u91ca\u6267\u884c\uff1a<\/strong> \u52a0\u4e58\u68112.0\u30011.0\u7684\u89e3\u91ca\u6267\u884c\u80fd\u529b\u5341\u5206\u7a33\u5b9a\u3001\u53ea\u662f\u6027\u80fd\u7565\u5dee\uff0c3.0\u53ef\u4ee5\u4e00\u952e\u56de\u9000\u89e3\u91ca\u6267\u884c\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634858\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u52a0\u4e58\u6811\u7ba1\u7406\u5e73\u53f0\uff1a\u4e00\u7ad9\u5f0f\u914d\u7f6e\u3001\u8c03\u8bd5\u4e0e\u5b9e\u9a8c\u5e73\u53f0<\/h3>\n<p><strong>\u9762\u5411\u7b97\u6cd5\u540c\u5b66\uff1a<\/strong> \u505a\u4e86\u4e00\u5957\u4e00\u7ad9\u5f0f\u201c\u8f85\u52a9\u914d\u7f6e-&gt;\u6821\u9a8c-&gt;\u5b9e\u65f6\u8c03\u8bd5-&gt;\u5f00\u5b9e\u9a8c-&gt;\u53d8\u66f4\u7ba1\u63a7\u201d\u7684\u4f7f\u7528\u4f53\u9a8c\uff0c\u544a\u522b\u7e41\u7410\u914d\u7f6e\u3001\u4f53\u611f\u66f4\u4e1d\u6ed1\u3002<\/p>\n<p><strong>\u9762\u5411\u7cfb\u7edf\u7a33\u5b9a\uff1a<\/strong> \u52a0\u4e58\u6811\u7ba1\u7406\u5e73\u53f0\u628a\u81ea\u5df1\u5c01\u88c5\u6210\u4e86\u4e00\u4e2a\u6c99\u7bb1\uff0c\u5982\u4e0a\u4e00\u4e2a\u6a21\u5757\u6240\u8ff0\uff0c\u4e00\u5207\u98ce\u9669\u90fd\u62e6\u622a\u5728\u6c99\u7bb1\u7206\u70b8\u3002<\/p>\n<h2>\u4e94\u3001\u7a33\u624e\u7a33\u6253\uff1a\u4ece1.0\u52303.0\u7684\u6f14\u8fdb<\/h2>\n<p>\u52a0\u4e58\u68111.0: \u652f\u6301\u914d\u516c\u5f0f\u3001\u6846\u67b6\u76f4\u63a5\u7b97\u516c\u5f0f\uff0c\u652f\u6301UDF\uff0c\u89e3\u91ca\u6267\u884c\u3002\u52a0\u4e58\u68112.0: \u5c11\u91cf\u6027\u80fd\u4f18\u5316\uff0c\u62bd\u8c61\u6210SDK\u3002\u52a0\u4e58\u68113.0: \u5347\u7ea7\u4e3a\u7f16\u8bd1\u6267\u884c\uff0c\u5916\u89c2\u7b80\u5316\u4e3a\u53ea\u9700\u8981\u914d\u516c\u5f0f\u3001\u6846\u67b6\u81ea\u52a8\u89e3\u6790DAG\u3002<\/p>\n<p>\u52a0\u4e58\u68111.0\u548c2.0\u90fd\u662f\u7528\u7684\u89e3\u91ca\u6267\u884c\uff0cantlr visitor\u904d\u5386AST\u505a\u201c\u6570\u5b66\/\u903b\u8f91\/if\u5224\u65ad\u201d\u8fd0\u7b97\u3002\u52a0\u4e58\u68113.0\u5347\u7ea7\u6210\u4e86\u7f16\u8bd1\u6267\u884c\uff0c\u591a\u884c\u516c\u5f0f\u89e3\u6790DAG\u3001\u6bcf\u884c\u516c\u5f0f\u7528antlr\u89e3\u6790AST\u65f6\uff0c\u76f4\u63a5\u7ffb\u8bd1\u6210Java\u6267\u884c\u4ee3\u7801\uff0c\u7528\u5b57\u8282\u7801\u6280\u672f\u628a\u6267\u884c\u4ee3\u7801\u52a0\u8f7d\u8fdbJVM\u76f4\u63a5\u6267\u884c\u3002\u540c\u65f6\u52a0\u4e58\u68113.0\u4e5f\u652f\u6301\u964d\u7ea7\u81f3\u89e3\u91ca\u6267\u884c\u3002<\/p>\n<h3>\u52a0\u4e58\u68111.0<\/h3>\n<p>\u89e3\u51b3\uff1a\u843d\u5730\u5373\u914d\u5373\u7528\u516c\u5f0f\uff0c\u89e3\u51b3\u624b\u6413\u786c\u4ee3\u7801\u8fed\u4ee3\u6548\u7387\u4f4e\u3001\u4ee3\u7801\u8150\u5316\u5bfc\u81f4\u751f\u6548\u903b\u8f91\u4e0d\u6e05\u6670\u7684\u95ee\u9898\u3002\u7f3a\u9677\uff1a\u8d39\u7ebf\u7a0b&#038;CPU\u3002<\/p>\n<p>\u52a0\u4e58\u68111.0\u4e8e2025\u5e741\u6708\u5728\u793e\u533a\u63a8\u8350\u5916\u6d41\u7cbe\u6392\u843d\u5730\uff0c\u914d\u6cd5\uff08\u4f7f\u7528\u5916\u89c2\uff09\u3001\u964d\u7ea7\u673a\u5236\u662f\u540e\u7eed\u8fed\u4ee3\u4e0d\u53d8\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u914d\u6cd5\uff1a1\uff09\uff1a<\/strong> \u201c\u5168\u91cf\u914d\u7f6e+\u53e0\u5b9e\u9a8c\u6539\u52a8\u201d\u7684\u914d\u7f6e\u673a\u5236 2\uff09\u914d\u7f6e\u603b\u5171\u5206 consts(\u8f93\u5165\u7269\u6599)\u3001paramBranch(\u6761\u4ef6\u5206\u652f\u66ff\u6362\u53c2\u6570)\u3001formulas(\u516c\u5f0f)\u3001root(\u878d\u5408\u7ed3\u679c\u5b57\u6bb5\u540d)\u3002<\/li>\n<li><strong>\u964d\u7ea7\u673a\u5236\uff1a1\uff09\uff1a<\/strong> \u521d\u59cb\u5316\u9636\u6bb5\u5c31\u68c0\u6d4b\u516c\u5f0f\u914d\u9519\u3001\u6f0f\u914d\u516c\u5f0f\u7b49\uff0c\u4e00\u65e6\u68c0\u51fa\u5c31\u81ea\u52a8\u964d\u7ea7\u8d70\u5168\u91cf\u914d\u7f6e\u3001\u5e76\u53d1\u51fa\u544a\u8b66 2\uff09\u5c11\u91cf\u8fd0\u884c\u65f6\u624d\u80fd\u53d1\u73b0\u7684\u95ee\u9898\uff0c\u4e32\u884c\u91cd\u7b97\u3001\u964d\u7ea7\u7b97\u5168\u91cf\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<p>\u5f53\u65f6\u662f\u4ece\u624b\u6413\u786c\u4ee3\u7801\u505a\u516c\u5f0f\u878d\u5408\uff0c\u65e0DIFF\u8fc1\u79fb\u8fc7\u6765\uff0c\u89e3\u51b3\u4e86\u5982\u4e0b2\u4e2a\u8fed\u4ee3\u75db\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u8fed\u4ee3\u6548\u7387\uff1a<\/strong> \u9664\u8c03\u53c2\u662f\u53ef\u914d\uff0c\u8c03\u516c\u5f0f\u5f62\u6001\u3001\u8c03\u751f\u6548\u6761\u4ef6\u7b49\u90fd\u9700\u8981\u5f00\u53d1&#038;\u4e0a\u7ebf\u3002<\/li>\n<li><strong>\u903b\u8f91\u9ed1\u76d2\uff1a<\/strong> boost\u3001\u878d\u5408\u516c\u5f0f\u8fed\u4ee3\u590d\u6742\u4e4b\u540e\uff0c\u751f\u6548\u903b\u8f91\u53d8\u5f97\u9ed1\u76d2\uff0c\u4e0d\u5bb9\u6613\u5206\u6790\u8c03\u53c2\u65b9\u5411\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634859\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h4>\u52a0\u4e58\u68111.0\u7684\u5b9e\u73b0\u8981\u70b9<\/h4>\n<p>\u7eafitem\u7ef4\u5ea6\uff08\u8bf7\u6c42\u7ef4\u5ea6\u7684\u516c\u5f0f\u4e5f\u4f1a\u6bcf\u4e2aitem\u91cd\u590d\u8ba1\u7b97\uff09\u3002consts-&gt;paramBranch-&gt;formulas\u4e32\u884c\u8ba1\u7b97\u3002antlr\u89e3\u6790\u5355\u884c\u516c\u5f0f\u6210AST\uff0c\u6846\u67b6\u9012\u5f52\u89e3\u6790\u6811\u4f9d\u8d56\uff0cantlr visitor\u89e3\u91ca\u6267\u884c\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634860\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h4>\u4e3a\u4ec0\u4e48\u7528antlr<\/h4>\n<p><strong>DSL\u8bed\u6cd5\u6821\u9a8c\uff1a<\/strong> \u6211\u4eec\u9700\u8981\u4e00\u79cd\u914d\u7f6e\u8bbe\u8ba1\uff0c\u80fd\u5c3d\u53ef\u80fd\u7b80\u6d01\u5730\u8868\u5f81\u6a21\u578b\u878d\u5408\u516c\u5f0f\uff08\u652f\u6301\u903b\u8f91\u5224\u65ad\/\u590d\u6742\u6570\u5b66\u53d8\u6362\/UDF\uff09\u2014\u2014\u63a5\u8fd1Java\u8bed\u6cd5&#038;\u6570\u5b66\u516c\u5f0f\u7684DSL\uff08\u5f53\u65f6\u6709\u5bf9\u6807\u5b57\u8282\u7684\u914d\u7f6e\u5916\u89c2\uff09\u3002\u6211\u4eec\u9700\u8981\u51c6\u786e\u6821\u9a8cDSL\u914d\u7f6e\u6b63\u786e\u3001\u5e76\u6b63\u786e\u89e3\u6790DSL\u914d\u7f6e\u2014\u2014\u5728antlr\u3001\u624b\u6413\u9006\u6ce2\u5170\u8868\u8fbe\u5f0f\u3001flex&#038;bison\u91cc\uff0c\u9009\u4e86\u7528antlr\u6821\u9a8c\u3001\u89e3\u6790DSL\uff08\u7528AST\u6821\u9a8c\u539f\u7406\u53ef\u9760\uff0cJava\u4e0a\u624b\u96be\u5ea6\u4f4e\uff09\u3002<\/p>\n<p><strong>antlr visitor\u89e3\u91ca\u6267\u884c\uff1a<\/strong> \u4f9d\u9760AST\u89e3\u6790\u8ba1\u7b97\u662f\u4e00\u79cd\u53ef\u9760\u7684\u8ba1\u7b97\u903b\u8f91\u3002\u6211\u4eec\u9700\u8981\u7a33\u5b9a\u9760\u8c31\u7684\u8ba1\u7b97\u5f15\u64ce\uff0c\u56e0\u4e3a\u7b97\u6cd5\u540c\u5b66\u5927\u89c4\u6a21\u4f7f\u7528\u540e\u3001\u4f1a\u51fa\u73b0\u5927\u91cf\u5343\u53d8\u4e07\u5316\u7684\u516c\u5f0f\u7ec4\u5408\u2014\u2014\u4f9d\u9760AST\u89e3\u6790\u8ba1\u7b97\u662f\u4e00\u79cd\u53ef\u9760\u7684\u8ba1\u7b97\u903b\u8f91\u3002<\/p>\n<p><strong>\u7c7bSIMD\u8bbe\u8ba1\u4f7f\u6027\u80fd\u53ef\u63a5\u53d7\uff1a<\/strong> antlr\u89e3\u6790AST\u975e\u5e38\u8017\u65f6\uff0c\u5fc5\u987b\u4e00\u6b21parse\u591a\u6b21\u590d\u7528\uff0c\u4e0d\u80fd\u5728item\u7ef4\u5ea6\u91cd\u590dparse\u3002\u4e00\u822c\u7528antlr visitor\u505a\u7ebf\u4e0a\u5b9e\u65f6\u8ba1\u7b97\uff0c\u6027\u80fd\u662f\u4e0d\u53ef\u63a5\u53d7\u7684\u3002\u6211\u4eec\u91c7\u7528\u4e86\u4e00\u79cd\u7c7bSIMD\u7684\u4ee3\u7801\u5199\u6cd5\uff0c\u4f7f\u843d\u5730\u6027\u80fd\u53ef\u63a5\u53d7\u2014\u2014\u7c7bSIMD\u7684\u8bbe\u8ba1\uff0c\u4e00\u6b21antlr visitor\u7b97\u4e00\u6279item\u3002\u6700\u7ec8\u843d\u5730\u7684\u6027\u80fd\u3001\u6ca1\u6709\u56e0\u4e3aantlr visitor\u62d6\u8fc7\u591a\u540e\u817f\uff0c\u6027\u80fd\u6bd4\u65e7\u7248\u786c\u4ee3\u7801\u878d\u5408\u516c\u5f0f\u8fd8\u8981\u597d\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634861\" alt=\"\" title=\"\" loading=\"lazy\"><br \/>antlr\u8bed\u6cd5\u5b9a\u4e49\u6587\u4ef6<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634862\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>visitor\u5982\u4f55\u901a\u8fc7\u8bbf\u95eeAST\u8ba1\u7b971\u884c\u516c\u5f0f<\/p>\n<h3>\u52a0\u4e58\u68112.0<\/h3>\n<p>\u89e3\u51b3\uff1a\u62bd\u8c61\u6210SDK\uff1b\u6267\u884c\u8ba1\u5212\u81ea\u52a8\u8bc6\u522b\u8bf7\u6c42\u7ef4\u5ea6\u516c\u5f0f\u3001\u4fbf\u4e8e\u5e8f\u878d\u5408\u7b49\u903b\u8f91\u5199UDF\u3002\u7f3a\u9677\uff1a\u53d7\u9650\u4e8e\u89e3\u91ca\u6267\u884c\uff0c\u4ecd\u7136\u6bd4\u8f83\u8017\u7ebf\u7a0b\u3002<\/p>\n<p>\u52a0\u4e58\u68112.0\u4e8e2025\u5e749\u6708\u5728\u793e\u533a\u641c\u7d22\u843d\u5730\u3002\u4f18\u5316\u70b9\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u4f53\u9a8c\uff1a<\/strong> \u914d\u7f6ejson\u7ed3\u6784\u7b80\u5316\uff0c\u53ea\u9700\u8981\u914d\u9012\u5f52\u7684\u4e00\u7ec4\u516c\u5f0f\u5373\u53ef\uff08\u780d\u6389\u4e86consts\u3001paramBranch\uff09\u3002if()\u7684\u914d\u6cd5\u7b80\u5316\uff1a\u65e7\u7248\u7f16\u8bd1\u5668\u8bbe\u8ba1\u7684\u7b80\u5355\uff0c\u5c06 \u201clogic\u8868\u8fbe\u5f0f\u201d\u4e0e\u201cmath\u8868\u8fbe\u5f0f\u201d\u5206\u522b\u653e\u57282\u4e2a\u7f16\u8bd1\u5668\u91cc\uff0c\u4f7f\u7528\u8005\u4e0d\u5141\u8bb8if\u91cc\u5d4c\u5957\u51fd\u6570\uff0c\u52a0\u4e58\u68112.0\u5408\u5e76\u4e86\u7f16\u8bd1\u5668\uff0cif()\u91cc\u53ef\u4ee5\u5d4c\u5957\u51fd\u6570\u3002\u652f\u6301\u201c\u9690\u5f0fitem\u6b63\u6392\u201d\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634863\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<ul>\n<li><strong>\u6027\u80fd\uff1a<\/strong> \u6846\u67b6\u81ea\u52a8\u8bc6\u522bReq\u7ef4\u5ea6\u7684\u516c\u5f0f\uff0c\u5168\u5c40\u53ea\u8ba1\u7b971\u6b21\u3002\u6267\u884c\u8ba1\u5212\u52a0\u7f13\u5b58\uff0c\u780d\u6389\u201c\u6bcf\u6b21\u8bf7\u6c42\u90fd\u91cd\u65b0build\u6267\u884c\u8ba1\u5212\u201d\uff0c\u5e73\u54cd\u964d\u4f4e\u3002<\/li>\n<li><strong>\u6a2a\u5411\u6269\u5c55\uff1a<\/strong> Java\u7248\u52a0\u4e58\u6811\u62bd\u8c61\u4e3aSDK\uff0c\u65b9\u4fbf\u6269\u573a\u666f\u76f4\u63a5\u5f15\u7528\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634864\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h3>\u52a0\u4e58\u68113.0<\/h3>\n<p>\u89e3\u51b3\uff1a\u5347\u7ea7\u4e3a\u7f16\u8bd1\u6267\u884c\uff0c\u6027\u80fd\u5927\u5e45\u63d0\u5347\u3002<\/p>\n<p>\u52a0\u4e58\u68113.0\u4e8e2026\u5e741\u6708\u5728\u793e\u533a\u641c\u7d22\u843d\u5730\u3002\u4e4b\u524d\u201c\u6838\u5fc3\u653b\u575a\u201d\u6a21\u5757\u6709\u63d0\u5230\uff0c\u9ad8\u5e76\u53d1&#038;\u8ba1\u7b97\u91cf\u5927\u7684\u60c5\u51b5\u4e0b\uff0c\u66b4\u9732\u51fa\u52a0\u4e58\u6811\u8017CPU\u3001\u8017\u7ebf\u7a0b\u7684\u5f31\u70b9\uff08\u7c7bSIMD\u8bbe\u8ba1\u867d\u7136\u80fd\u8ba9\u6027\u80fd\u53ef\u63a5\u53d7\uff0c\u4f46\u6bd5\u7adfantlr visitor\u8ba1\u7b97\u65b9\u5f0f\u9700\u8981\u5347\u7ea7\uff09\u3002<\/p>\n<p>\u52a0\u4e58\u68113.0\u66ff\u6362\u4e86\u6267\u884c\u5f15\u64ce\u3002\u6211\u4eec\u89c2\u5bdf\u706b\u7130\u56fe\u53d1\u73b0\u201c\u6309\u516c\u5f0f\u903b\u8f91\u76f4\u63a5\u88f8\u5199\u7684java\u4ee3\u7801\u201d\u6027\u80fd\u6700\u9ad8\u6548\uff0c\u4f46\u662f\u8fed\u4ee3\u6548\u7387\u6700\u4f4e\u3002\u52a0\u4e58\u6811\u4e3a\u4e86\u5373\u914d\u5373\u7528\u516c\u5f0f\uff0c\u6027\u80fd\u5374\u6253\u4e86\u6298\u6263\u3002\u4e3a\u4e86\u5e73\u8861\u201c\u5373\u914d\u5373\u7528\u201d\u7684\u8fed\u4ee3\u6548\u7387\u95ee\u9898\u548c\u201c\u6027\u80fd\u201d\uff0c\u6211\u4eec\u201c\u5c06\u914d\u7f6e\u516c\u5f0f\u76f4\u63a5\u7ffb\u8bd1\u6210\u53ef\u6267\u884c\u4ee3\u7801\uff0c\u7528\u5b57\u8282\u7801\u6280\u672f\u52a0\u8f7d\u5230JVM\u4e2d\u76f4\u63a5\u8ba1\u7b97\u201d\uff0c\u8fd9\u8ba9\u52a0\u4e58\u6811\u4ece\u89e3\u91ca\u6267\u884c\u5347\u7ea7\u4e3a\u7f16\u8bd1\u6267\u884c\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634865\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634866\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<h2>\u516d\u3001\u8fd8\u80fd\u66f4\u597d<\/h2>\n<p><strong>\u591a\u8bed\u8a00 &#038; \u6a21\u5757\u5316\uff1a<\/strong> \u52a0\u4e58\u6811\u6709Java\u7248\uff0c\u540c\u65f6\u6709C++\u7248\uff0c\u662f\u5f15\u64ce\u540c\u5b66\u521b\u65b0\u5b9e\u73b0\u7684\u53e6\u4e00\u4e2a\u9ad8\u6027\u80fd\u7248\u672c\u3002\u652f\u6301\u591a\u79cd\u4e1a\u52a1\u573a\u666f\u53ca\u6a21\u5757\uff08\u5982\u7c97\u6392\u3001\u7cbe\u6392\uff09\uff0c\u53ef\u7075\u6d3b\u63a5\u5165 Java \u4e1a\u52a1\u5f15\u64ce\u6216 C++ \u9ad8\u6027\u80fd\u5f15\u64ce\u3002\u6b22\u8fce\u5176\u4ed6\u573a\u666f\u548c\u6a21\u5757\u63a5\u5165\u3002<\/p>\n<p><strong>\u7a33\u5b9a\u6027 &#038; \u4ea7\u54c1\u5316\uff1a<\/strong> \u91cd\u70b9\u6253\u78e8\u201c\u52a0\u4e58\u6811\u7ba1\u7406\u5e73\u53f0\u6c99\u7bb1\u62e6\u622a -&gt; \u7ebf\u4e0a\u5bb9\u9519\u964d\u7ea7 -&gt; \u5931\u8d25\u76d1\u63a7\u544a\u8b66\u53d1\u73b0 -&gt; \u89e3\u91ca\u6267\u884c\u6258\u5e95\u201d \u7684\u6709\u6548\u6027\uff0c\u5b9a\u671f\u6f14\u7ec3\u964d\u7ea7\u3001\u9a8c\u8bc1\u7b97\u6cd5\u6548\u679c\u3002\u589e\u5f3a\u201c\u52a0\u4e58\u6811\u7ba1\u7406\u5e73\u53f0\u201dDIFF\u80fd\u529b\uff0c\u6269\u5c55\u5c55\u793a\u201c\u8c03\u8bd5DAG\u201d\u3001\u201c\u53efDIFF\u52a8\u6001\u751f\u6210\u7684\u4ee3\u7801\u201d\uff0c\u6253\u901a\u5b9e\u65f6debug\u5e73\u53f0\uff0c\u53ef\u4ee5\u201cDAG\u5c55\u5f00\u770b\u8ba1\u7b97\u7684\u4e2d\u95f4\u7ed3\u679c\u201d\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634867\" alt=\"\" title=\"\" loading=\"lazy\"><br \/>\u591a\u5c42\u516c\u5f0f\u7ec4\u6210DAG\uff08\u6253\u78e8\u4e2d\uff09<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000047634868\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u914d\u7f6e\u751f\u6210\u7684\u53ef\u6267\u884c\u4ee3\u7801\u505aDIFF\uff08\u5efa\u8bbe\u4e2d\uff09<\/p>\n<p><strong>\u6253\u901a\u6a21\u578b\u8c03\u7528\u81ea\u52a8\u5316\uff1a<\/strong> \u5728\u52a0\u4e58\u6811\u8fd9\u91cc\u6253\u901a\u7cbe\u6392\u6a21\u578b\u8c03\u7528\uff0c\u5bf9\u7cbe\u6392\u6a21\u578b\u7684\u8c03\u7528\u4e5f\u9ad8\u5ea6\u62bd\u8c61\uff0c\u4e00\u914d\u5373\u7528\u3001\u4e00\u914d\u5373\u53ef\u52a0\u5165\u516c\u5f0f\u878d\u5408\u3002<\/p>\n<h2>\u5f80\u671f\u56de\u987e<\/h2>\n<p>1.\u6df1\u5165\u5256\u6790Spark UI\u754c\u9762\uff1a\u53c2\u6570\u4e0e\u754c\u9762\u8be6\u89e3|\u5f97\u7269\u6280\u672f<\/p>\n<p>2.Sentinel Java\u5ba2\u6237\u7aef\u9650\u6d41\u539f\u7406\u89e3\u6790\uff5c\u5f97\u7269\u6280\u672f<\/p>\n<p>3.\u793e\u533a\u63a8\u8350\u91cd\u6392\u6280\u672f\uff1a\u53cc\u9636\u6bb5\u6846\u67b6\u7684\u5b9e\u8df5\u4e0e\u6f14\u8fdb\uff5c\u5f97\u7269\u6280\u672f<\/p>\n<p>4.Flink ClickHouse Sink\uff1a\u751f\u4ea7\u7ea7\u9ad8\u53ef\u7528\u5199\u5165\u65b9\u6848\uff5c\u5f97\u7269\u6280\u672f<\/p>\n<p>5.\u670d\u52a1\u62c6\u5206\u4e4b\u65c5\uff1a\u6d4b\u8bd5\u8fc7\u7a0b\u5168\u63ed\u79d8\uff5c\u5f97\u7269\u6280\u672f<\/p>\n<h2>\u6587 \/\u554a\u4fca \u98ce\u6797 \u76ca\u5609<\/h2>\n<p>\u5173\u6ce8\u5f97\u7269\u6280\u672f\uff0c\u6bcf\u5468\u66f4\u65b0\u6280\u672f\u5e72\u8d27<\/p>\n<p>\u8981\u662f\u89c9\u5f97\u6587\u7ae0\u5bf9\u4f60\u6709\u5e2e\u52a9\u7684\u8bdd\uff0c\u6b22\u8fce\u8bc4\u8bba\u8f6c\u53d1\u70b9\u8d5e\uff5e<\/p>\n<p>\u672a\u7ecf\u5f97\u7269\u6280\u672f\u8bb8\u53ef\u4e25\u7981\u8f6c\u8f7d\uff0c\u5426\u5219\u4f9d\u6cd5\u8ffd\u7a76\u6cd5\u5f8b\u8d23\u4efb\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000047634850\">https:\/\/segmentfault.com\/a\/1190000047634850<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u80cc\u666f\u7b80\u4ecb \u8fd1\u5e74\u6765\uff0c\u641c\u7d22\/\u63a8\u8350\/\u5e7f\u544a\u7cfb\u7edf\u5728\u7c97\u6392\uff08Pre-ranking\uff09\u4e0e\u7cbe\u6392\uff08Ranking\uff09\u9636\u6bb5\u7684\u6a21\u578b\u8bad [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10021291","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10021291"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10021291\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10021291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10021291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10021291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}