{"id":10008116,"date":"2023-08-18T13:02:39","date_gmt":"2023-08-18T05:02:39","guid":{"rendered":"https:\/\/blog.itmax.cn\/?p=10008116"},"modified":"2023-08-18T13:02:39","modified_gmt":"2023-08-18T05:02:39","slug":"flink-%e6%95%b0%e6%8d%ae%e9%9b%86%e6%88%90%e6%9c%8d%e5%8a%a1%e5%9c%a8%e5%b0%8f%e7%ba%a2%e4%b9%a6%e7%9a%84%e9%99%8d%e6%9c%ac%e5%a2%9e%e6%95%88%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10008116","title":{"rendered":"Flink \u6570\u636e\u96c6\u6210\u670d\u52a1\u5728\u5c0f\u7ea2\u4e66\u7684\u964d\u672c\u589e\u6548\u5b9e\u8df5"},"content":{"rendered":"<blockquote>\n<p>\u6458\u8981\uff1a\u672c\u6587\u6574\u7406\u81ea\u5b9e\u65f6\u5f15\u64ce\u7814\u53d1\u5de5\u7a0b\u5e08\u8881\u594e\uff0c\u5728 Flink Forward Asia 2022 \u6570\u636e\u96c6\u6210\u4e13\u573a\u7684\u5206\u4eab\u3002\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5206\u4e3a\u56db\u4e2a\u90e8\u5206\uff1a<\/p>\n<ol>\n<li>\u5c0f\u7ea2\u4e66\u5b9e\u65f6\u670d\u52a1\u964d\u672c\u589e\u6548\u80cc\u666f<\/li>\n<li>Flink \u4e0e\u5728\u79bb\u7ebf\u6df7\u90e8\u5b9e\u8df5<\/li>\n<li>\u5b9e\u8df5\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/li>\n<li>\u672a\u6765\u5c55\u671b<\/li>\n<\/ol>\n<\/blockquote>\n<p><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=05YwVORQUuHrf%2BcQ6rII8w%3D%3D.7l9ayIW0UAu5RfGz7rMa%2BnrnTOx%2Fd9Jbov51mns0QTKtgCUjmJZ%2B6mpHkYnNZ%2BPPD%2Fai9xIAcjwQsoobmqtaw0NlOdPfcsVW9NYiFc7%2FoibYOcRYnrf%2BmYVRRU3JwHS5LrAdrvn%2Fr%2BN8PoY%2FCd636g%3D%3D\" rel=\"noopener noreferrer\">\u70b9\u51fb\u67e5\u770b\u539f\u6587\u89c6\u9891 &#038; \u6f14\u8bb2PPT<\/a><\/p>\n<h2>\u4e00\u3001\u5c0f\u7ea2\u4e66\u5b9e\u65f6\u670d\u52a1\u964d\u672c\u589e\u6548\u80cc\u666f<\/h2>\n<h3>1.1 \u5c0f\u7ea2\u4e66 Flink \u4f7f\u7528\u573a\u666f\u7279\u70b9<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126497\" alt=\"1\" title=\"1\"><\/p>\n<p>\u5c0f\u7ea2\u4e66\u7684 Flink \u7279\u70b9\u5305\u542b\u4ee5\u4e0b\u4e09\u6761\uff1a<\/p>\n<ul>\n<li>\n<p>\u7b2c\u4e00\uff0c\u4e91\u539f\u751f\uff0c\u590d\u6742\u7684\u591a\u4e91\u3001\u6d77\u5185\u5916\u67b6\u6784\u3002\u5c0f\u7ea2\u4e66\u4ece\u6210\u7acb\u4e4b\u521d\u5c31\u5c06\u6240\u6709\u7684\u6280\u672f\u4f53\u7cfb\u5168\u90e8\u642d\u5efa\u5728\u516c\u6709\u4e91\u4e0a\uff0c\u662f\u771f\u6b63\u610f\u4e49\u4e0a\u4e91\u7684\u539f\u4f4f\u6c11\u3002<\/p>\n<p>\u6211\u4eec\u4e0e\u591a\u5bb6\u4e91\u5382\u5546\u90fd\u6709\u5408\u4f5c\uff0c\u6bd4\u5982 AWS\uff0c\u817e\u8baf\u4e91\uff0c\u534e\u4e3a\u4e91\uff0c\u963f\u91cc\u4e91\u7b49\u7b49\u3002\u7ecf\u8fc7\u591a\u5e74\u7684\u53d1\u5c55\uff0c\u4e1a\u52a1\u6570\u636e\u4e5f\u5206\u5e03\u5230\u4e86\u4e0d\u540c\u7684\u4e91\u5382\u5546\u4e0b\u3002\u4e91\u539f\u751f\u672c\u8eab\u5c31\u4f1a\u5e26\u6765\u5929\u7136\u7684\u597d\u5904\uff0c\u6bd4\u5982\u8d44\u6e90\u9694\u79bb\u548c\u6269\u5c55\u90fd\u975e\u5e38\u5bb9\u6613\u3002<\/p>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\uff0c\u6570\u636e\u96c6\u6210\u94fe\u8def\u8f83\u957f\uff0c\u4f5c\u4e1a\u5b58\u5728\u9ad8\u5cf0\u671f\u8d44\u6e90\u4e92\u76f8\u62a2\u5360\u7684\u73b0\u8c61\u3002\u4ee5\u6570\u636e\u96c6\u6210\u4e3a\u4f8b\uff0c\u5728\u591a\u4e91\u4f53\u7cfb\u67b6\u6784\u4e0b\uff0c\u6570\u636e\u8981\u7ecf\u5e38\u8fdb\u884c\u8de8\u4e91\u7684\u4f20\u8f93\uff0c\u6240\u4ee5\u6570\u636e\u96c6\u6210\u4efb\u52a1\u662f\u91cd\u8981\u4e14\u4e0d\u53ef\u6216\u7f3a\u7684\u3002\u6211\u4eec\u5728\u8fc7\u53bb\u642d\u5efa\u4e86 Flink \u7684\u6570\u636e\u96c6\u6210\u7684\u72ec\u5360\u96c6\u7fa4\uff0c\u4f46\u968f\u7740\u6570\u636e\u96c6\u6210\u4efb\u52a1\u7684\u589e\u591a\uff0c\u51fa\u73b0\u4e86\u8d8a\u6765\u8d8a\u591a\u8d44\u6e90\u62a2\u5360\u7684\u73b0\u8c61\u3002<\/p>\n<p>\u56e0\u4e3a Flink \u96c6\u6210\u4efb\u52a1\u90fd\u662f\u6279\u4efb\u52a1\uff0c\u5927\u90e8\u5206\u4f1a\u5728\u51cc\u6668\u540c\u65f6\u96c6\u4e2d\u8fd0\u884c\uff0c\u5c31\u4f1a\u51fa\u73b0\u4e00\u90e8\u5206\u4efb\u52a1\u56e0\u62a2\u5360\u4e0d\u5230\u8d44\u6e90\u800c\u5931\u8d25\u7684\u60c5\u51b5\u3002\u540c\u65f6\u6574\u4e2a\u8d44\u6e90\u6c60\u7684\u6574\u4f53\u5229\u7528\u7387\u4e5f\u6bd4\u8f83\u4f4e\uff0c\u56e0\u4e3a\u767d\u5929\u6279\u4efb\u52a1\u8fd0\u884c\u7684\u6bd4\u8f83\u5c11\uff0c\u8fd9\u4e2a\u65f6\u5019\u8d44\u6e90\u662f\u7a7a\u95f2\u7684\u3002<\/p>\n<\/li>\n<li>\u7b2c\u4e09\uff0c\u6570\u636e\u96c6\u6210\u7684\u9ad8\u4f18\u3001\u4f4e\u4f18\u4f5c\u4e1a\u5747\u4ee5 Flink \u6d41\u6a21\u5f0f\u5f15\u64ce\u8fd0\u884c\u3002\u6709\u4e00\u4e9b\u5386\u53f2\u539f\u56e0\uff0c\u4e00\u4e2a\u662f\u56e0\u4e3a\u65e9\u671f Flink \u7248\u672c\u7684\u6279\u6a21\u5f0f\u5f15\u64ce\u8fd8\u4e0d\u6210\u719f\uff0c\u53e6\u5916\u4e00\u4e2a\u662f\u6d41\u6a21\u5f0f\u6bd4\u8f83\u7b80\u5355\uff0c\u5b83\u901f\u5ea6\u5feb\uff0c\u4e14\u4e0d\u7528\u8003\u8651\u4e2d\u95f4\u6570\u636e\u843d\u76d8\u7684\u95ee\u9898\u3002\u5728\u8d44\u6e90\u6bd4\u8f83\u5bbd\u88d5\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f\u66f4\u4f18\u7684\u9009\u62e9\u3002<\/li>\n<\/ul>\n<h3>1.2 \u5c0f\u7ea2\u4e66 Flink \u6570\u636e\u96c6\u6210\u670d\u52a1<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126498\" alt=\"2\" title=\"2\" loading=\"lazy\"><\/p>\n<p>\u5c0f\u7ea2\u4e66\u5178\u578b\u7684\u6570\u636e\u96c6\u6210\u7c7b\u578b\u6709\u5f88\u591a\u79cd\uff0c\u6bd4\u5982 Hive to Clickhouse\u3001Hive to Doris\u3001Hive to MySQL\u3001Mongo to Hive \u7b49\u7b49\u3002<\/p>\n<p>\u4e0a\u56fe\u53f3\u4fa7\u662f\u662f\u4e00\u5f20 Top \u56fe\uff0c\u4e00\u4e2a\u6570\u636e\u6e90\u8fdb\u884c\u4e86\u4e00\u6b21 Mongo \u7684 Lookup Join\uff0c\u5206\u4e3a\u4e24\u4e2a\u6d41\u5199\u5165\u5230\u4e0b\u6e38\uff0c\u8fd9\u5c31\u662f\u4e00\u4e2a\u5178\u578b\u7684 Flink \u6570\u636e\u96c6\u6210\u4efb\u52a1\u3002<\/p>\n<h3>1.3 \u964d\u672c\u589e\u6548\u7684\u5927\u73af\u5883\u8981\u6c42<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126499\" alt=\"3\" title=\"3\" loading=\"lazy\"><\/p>\n<p>\u968f\u7740\u5c0f\u7ea2\u4e66\u7684\u53d1\u5c55\uff0c\u57fa\u7840\u8bbe\u65bd\u8d8a\u6765\u8d8a\u5b8c\u5584\uff0c\u8d44\u6e90\u7684\u4f7f\u7528\u4e5f\u66f4\u52a0\u89c4\u8303\u5316\u3002\u8fc7\u53bb\u90a3\u79cd\u8d44\u6e90\u91ce\u86ee\u7533\u8bf7\u7684\u65f6\u4ee3\u5df2\u7ecf\u7ed3\u675f\uff0c\u73b0\u5728\u9010\u6e10\u91cd\u89c6\u96c6\u7fa4\u7684 CPU \u5229\u7528\u7387\u3002<\/p>\n<p>\u5728\u8fd9\u6837\u7684\u80cc\u666f\u4e0b\uff0c\u6211\u4eec\u6765\u770b Flink \u7684\u8d44\u6e90\u96c6\u7fa4\u3002\u4e00\u65b9\u9762\u6211\u4eec\u73b0\u5728\u7684 Flink \u8d44\u6e90\u96c6\u7fa4\u4e3b\u8981\u91c7\u7528\u72ec\u5360\u6a21\u5f0f\uff0c\u90e8\u5206\u5c0f\u8d44\u6e90\u6c60\u4efb\u52a1\u6bd4\u8f83\u5c11\uff0c\u5bb9\u6613\u4ea7\u751f\u8d44\u6e90\u788e\u7247\uff0c\u5b58\u5728\u8d44\u6e90\u6d6a\u8d39\u3002\u53e6\u5916\u4e00\u65b9\u9762 Flink \u96c6\u6210\u4efb\u52a1\u7684\u96c6\u7fa4\uff0c\u5728\u665a\u4e0a\u5b58\u5728\u8d44\u6e90\u62a2\u5360\u7684\u73b0\u8c61\uff0c\u800c\u5728\u767d\u5929\u53c8\u56e0\u4e3a\u8d44\u6e90\u7a7a\u95f2\u800c\u5229\u7528\u4e0d\u8d77\u6765\uff0c\u4f1a\u9020\u6210\u6574\u4f53\u7684\u8d44\u6e90\u5229\u7528\u7387\u4e0d\u9ad8\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126500\" alt=\"4\" title=\"4\" loading=\"lazy\"><\/p>\n<p>\u9488\u5bf9\u4ee5\u4e0a\u4e24\u4e2a\u95ee\u9898\uff0c\u6709\u4ec0\u4e48\u89e3\u51b3\u65b9\u6cd5\uff0c\u6765\u63d0\u5347\u6574\u4f53\u8d44\u6e90\u7684\u5229\u7528\u7387\u5462\uff1f\u53ef\u4ee5\u5206\u4e3a\u5982\u4e0b\u4e24\u70b9\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\uff0c\u5982\u4f55\u89c4\u907f\u5c0f\u89c4\u6a21\u96c6\u7fa4\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u5c0f\u89c4\u6a21\u96c6\u7fa4\u8fdb\u884c\u5408\u5e76\uff0c\u7136\u540e\u914d\u5408 K8s \u7684 Resource Quota \u8fdb\u884c\u8d44\u6e90\u9694\u79bb\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u6709\u4e00\u4e2a\u66f4\u597d\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5373\u4f7f\u7528\u5bb9\u5668\u56e2\u961f\u63d0\u4f9b\u7684\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\u3002\u5c06\u5c0f\u89c4\u6a21\u96c6\u7fa4\u7684\u4efb\u52a1\u8fc1\u79fb\u5230\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\u4e2d\uff0c\u7136\u540e\u5c06\u5c0f\u89c4\u6a21\u96c6\u7fa4\u7684\u8d44\u6e90\u91ca\u653e\u6389\u3002<\/li>\n<li>\u7b2c\u4e8c\uff0c\u5982\u4f55\u51cf\u5c11\u9ad8\u5cf0\u65f6\u671f\u7684\u8d44\u6e90\u62a2\u5360\u3002\u4ece\u5e73\u53f0\u7684\u89d2\u5ea6\u6765\u8003\u8651\uff0c\u6211\u4eec\u53ef\u4ee5\u4f18\u5316\u8d44\u6e90\u7684\u8c03\u5ea6\uff0c\u7ec6\u5316\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\u3002\u4ece Flink \u5f15\u64ce\u7684\u89d2\u5ea6\u6765\u8003\u8651\uff0c\u6211\u4eec\u53ef\u4ee5\u63a8\u5e7f Flink \u7684\u6279\u6a21\u5f0f\u5f15\u64ce\uff0c\u56e0\u4e3a\u6279\u6a21\u5f0f\u5f15\u64ce\u5bf9\u8d44\u6e90\u7684\u8981\u6c42\u66f4\u4f4e\u3002\u4f46\u6211\u4eec\u7684\u5207\u5165\u70b9\u4e0d\u592a\u4e00\u6837\uff0c\u6211\u4eec\u662f\u4ece\u8d44\u6e90\u89d2\u5ea6\u6765\u8003\u8651\u7684\u3002<\/li>\n<\/ul>\n<h3>1.4 \u964d\u672c\u589e\u6548\u89c6\u89d2\u4e0b\u7684 Flink \u6d41\u6a21\u5f0f\/\u6279\u6a21\u5f0f\u5bf9\u6bd4<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126501\" alt=\"5\" title=\"5\" loading=\"lazy\"><\/p>\n<p>\u63a5\u4e0b\u6765\u6211\u4eec\u4ece\u8d44\u6e90\u89d2\u5ea6\u5bf9\u6bd4\u4e00\u4e0b Flink \u7684\u6d41\u6a21\u5f0f\u548c\u6279\u6a21\u5f0f\u3002<\/p>\n<p>Flink \u7684\u6d41\u6a21\u5f0f\u5f15\u64ce\u8fd0\u884c\u7684\u65f6\u5019\u6ca1\u6709\u9636\u6bb5\u7684\u6982\u5ff5\uff0c\u6570\u636e\u4ee5 pipeline \u7684\u65b9\u5f0f\u8fdb\u884c\u6d41\u8f6c\u3002\u8fd9\u5c31\u8981\u6c42\u6240\u6709\u7684\u7b97\u5b50\u548c\u5e76\u53d1\u7684\u8d44\u6e90\u90fd\u8981\u5b9e\u65f6\u51c6\u5907\u5c31\u7eea\uff0c\u7a0b\u5e8f\u624d\u80fd\u6b63\u5e38\u8fd0\u884c\u3002\u800c\u5bf9\u4e8e\u6279\u6a21\u5f0f\u5f15\u64ce\u6765\u8bf4\uff0c\u4efb\u52a1\u88ab\u5212\u5206\u5230\u51e0\u4e2a\u9636\u6bb5\uff0c\u4e0a\u4e00\u4e2a\u9636\u6bb5\u8fd0\u884c\u7ed3\u675f\u540e\u624d\u80fd\u8fd0\u884c\u4e0b\u4e00\u4e2a\u9636\u6bb5\uff0c\u4e14\u53ea\u9700\u8981\u90e8\u5206\u7b97\u5b50\u548c\u5e76\u53d1\u83b7\u53d6\u5230\u8d44\u6e90\u5c31\u53ef\u4ee5\u8fd0\u884c\u4e86\u3002<\/p>\n<p>\u4ece\u53e6\u5916\u4e00\u4e2a\u89d2\u5ea6\u6765\u770b\uff0c\u90e8\u5206\u805a\u5408\u7c7b\u578b\u7684\u6279\u4efb\u52a1\uff0c\u5728\u6d41\u6a21\u5f0f\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u4f1a\u4e0d\u53ef\u907f\u514d\u5730\u5f15\u5165 State \u548c Watermark\uff0c\u8fd9\u5c31\u9700\u8981\u66f4\u591a\u7684CPU\u548c\u5185\u5b58\u8d44\u6e90\u3002\u800c\u5728\u6279\u6a21\u5f0f\u5f15\u64ce\u4e0b\u4e0d\u9700\u8981 State \u548c Watermark\uff0c\u4ec5\u9700\u8981 Shuffle \u4e2d\u95f4\u6570\u636e\uff0c\u8fd9\u5bf9\u78c1\u76d8\u7684\u8981\u6c42\u4e5f\u5f88\u9ad8\uff0c\u4f46\u78c1\u76d8\u76f8\u5bf9\u4e8e CPU \u548c\u5185\u5b58\u6765\u8bf4\u66f4\u52a0\u4fbf\u5b9c\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u8d44\u6e90\u89c6\u89d2\u4e0b\u6d41\u6a21\u5f0f\u548c\u6279\u6a21\u5f0f\u7684\u5bf9\u6bd4\uff0c\u4e5f\u662f\u6211\u4eec\u5c06\u6279\u4efb\u52a1\u4ece\u6d41\u6a21\u5f0f\u5207\u6362\u5230\u6279\u6a21\u5f0f\u6765\u8fd0\u884c\u7684\u4e00\u4e9b\u8003\u8651\u3002<\/p>\n<h2>\u4e8c\u3001Flink \u4e0e\u5728\u79bb\u7ebf\u6df7\u90e8\u5b9e\u8df5<\/h2>\n<h3>2.1 \u5728\u79bb\u7ebf\u6df7\u90e8\u7684 K8s \u96c6\u7fa4<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126502\" alt=\"6\" title=\"6\" loading=\"lazy\"><\/p>\n<p>\u9996\u5148\u6765\u770b\u770b\u4ec0\u4e48\u662f\u5728\u79bb\u7ebf\u6df7\u90e8\u3002\u4e00\u822c\u516c\u53f8\u90fd\u4f1a\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u670d\u52a1\u3002\u4e00\u79cd\u662f\u5728\u7ebf\u670d\u52a1\uff0c\u5b83\u7684\u7279\u70b9\u5c31\u662f\u8fd0\u884c\u65f6\u95f4\u957f\uff0c\u670d\u52a1\u6d41\u91cf\u548c\u8d44\u6e90\u5229\u7528\u7387\u5177\u6709\u6f6e\u6c50\u6027\u3002\u4e5f\u5c31\u662f\u5728\u767d\u5929\u4f7f\u7528\u4eba\u6570\u591a\u7684\u65f6\u5019\uff0c\u8d44\u6e90\u5229\u7528\u7387\u5c31\u4f1a\u9ad8\uff0c\u6d41\u91cf\u4e5f\u4f1a\u9ad8\uff0c\u800c\u5230\u4e86\u665a\u4e0a\u4f7f\u7528\u4eba\u7fa4\u6570\u91cf\u964d\u4e0b\u6765\u4e4b\u540e\uff0c\u8d44\u6e90\u5229\u7528\u7387\u4e5f\u4f1a\u964d\u4e0b\u53bb\u3002\u53e6\u5916\u4e00\u79cd\u662f\u79bb\u7ebf\u4f5c\u4e1a\u3002\u5b83\u53ea\u4f1a\u8fd0\u884c\u4e00\u6bb5\u65f6\u95f4\uff0c\u8fd0\u884c\u671f\u95f4\u8d44\u6e90\u5229\u7528\u7387\u975e\u5e38\u9ad8\uff0c\u4e00\u822c\u4e5f\u662f\u65f6\u5ef6\u4e0d\u654f\u611f\u7684\uff0c\u53ea\u8981\u5728\u4e00\u4e2a\u65f6\u95f4\u70b9\u4e4b\u524d\u8fd0\u884c\u7ed3\u675f\u4e4b\u540e\u8d44\u6e90\u5c31\u4f1a\u7a7a\u95f2\u4e0b\u6765\u3002<\/p>\n<p>\u6240\u8c13\u5728\u79bb\u7ebf\u6df7\u90e8\u5c31\u662f\u6307\u5c06\u5728\u7ebf\u670d\u52a1\u7a7a\u95f2\u7684\u8d44\u6e90\u5300\u7ed9\u79bb\u7ebf\u4f5c\u4e1a\u4f7f\u7528\uff0c\u63d0\u5347\u8d44\u6e90\u7684\u6574\u4f53\u5229\u7528\u7387\u3002\u5bf9\u79bb\u7ebf\u4e1a\u52a1\u6765\u8bf4\uff0c\u80fd\u6781\u5927\u964d\u4f4e\u8fd9\u8d44\u6e90\u7684\u4f7f\u7528\u6210\u672c\u3002\u5728\u79bb\u7ebf\u4efb\u52a1\u6df7\u8dd1\u671f\u95f4\uff0c\u9700\u8981\u4fdd\u62a4\u5728\u7ebf\u670d\u52a1\uff0c\u53ef\u80fd\u4f1a\u5bf9\u79bb\u7ebf\u4e1a\u52a1\u7684\u8fd0\u884c\u8fdb\u884c\u8d44\u6e90\u538b\u5236\u7b49\u64cd\u4f5c\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126503\" alt=\"7\" title=\"7\" loading=\"lazy\"><\/p>\n<p>\u4e0a\u56fe\u662f\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\u7684\u793a\u610f\u56fe\u3002\u5bb9\u5668\u56e2\u961f\u5c06\u5404\u4e2a\u5728\u7ebf\u670d\u52a1\u96c6\u7fa4\u7684\u7a7a\u95f2\u8d44\u6e90\u6536\u96c6\u8d77\u6765\uff0c\u7ec4\u6210\u4e00\u4e2a\u8d44\u6e90\u96c6\u7fa4\u3002\u4ece\u7528\u6237\u89d2\u5ea6\uff0c\u53ea\u80fd\u770b\u5230\u4e00\u4e9b\u865a\u62df\u8282\u70b9\uff0c\u4f46\u5b9e\u9645\u4e0a\u6bcf\u4e2a\u865a\u62df\u8282\u70b9\u80cc\u540e\u90fd\u5bf9\u5e94\u7740\u4e00\u5230\u591a\u4e2a\u771f\u6b63\u7684\u8d44\u6e90\u8282\u70b9\u3002\u5bf9\u7528\u6237\u6765\u8bf4\uff0c\u865a\u62df\u96c6\u7fa4\u7684\u4f7f\u7528\u548c\u771f\u6b63\u72ec\u5360\u96c6\u7fa4\u662f\u4e00\u6837\u7684\uff0c\u552f\u4e00\u4e0d\u4e00\u6837\u7684\u662f\uff0c\u865a\u62df\u8282\u70b9\u7684\u8d44\u6e90\u53ef\u80fd\u5728\u4e0d\u65ad\u53d8\u5316\u3002\u5bb9\u5668\u56e2\u961f\u63d0\u4f9b\u4e86\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\uff0c\u800c\u6211\u4eec\u6b63\u597d\u6709\u79bb\u7ebf\u4efb\u52a1\uff0c\u4e14\u6709\u8d44\u6e90\u5229\u7528\u7387\u7684\u538b\u529b\uff0c\u7b97\u662f\u4e00\u62cd\u5373\u5408\u3002<\/p>\n<h3>2.2 \u9002\u5408\u5728\u79bb\u7ebf\u6df7\u90e8\u7684\u79bb\u7ebf\u4efb\u52a1\u7279\u70b9<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126504\" alt=\"8\" title=\"8\" loading=\"lazy\"><\/p>\n<p>\u54ea\u4e9b\u4efb\u52a1\u9002\u5408\u8fc1\u79fb\u8fc7\u53bb\uff0c\u4e3b\u8981\u7684\u8003\u8651\u7684\u7279\u70b9\u6709\u4ee5\u4e0b\u4e09\u4e2a\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\u4e2a\u662f\u8fc1\u79fb\u8fc7\u53bb\u7684\u4efb\u52a1\u5fc5\u987b\u662f\u975e\u5ef6\u65f6\u654f\u611f\u7684\uff0c\u56e0\u4e3a\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\u4f1a\u538b\u7f29\u79bb\u7ebf\u8d44\u6e90\uff0c\u79bb\u7ebf\u4efb\u52a1\u8fd0\u884c\u7684\u65f6\u95f4\u53ef\u80fd\u4f1a\u66f4\u957f\u3002<\/li>\n<li>\u7b2c\u4e8c\u4e2a\u662f\u4efb\u52a1\u8981\u5177\u6709\u6f6e\u6c50\u7684\u7279\u6027\uff0c\u9700\u8981\u9009\u62e9\u521a\u597d\u5728\u8d44\u6e90\u7a7a\u95f2\u65f6\u5927\u91cf\u8fd0\u884c\u7684\u79bb\u7ebf\u4efb\u52a1\u8fc1\u79fb\u8fc7\u53bb\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5728\u7ebf\u670d\u52a1\u5728\u665a\u4e0a\u8d44\u6e90\u6bd4\u8f83\u7a7a\u95f2\uff0c\u800c\u79bb\u7ebf\u4efb\u52a1\u90fd\u662f\u96c6\u4e2d\u5728\u665a\u4e0a\u8fd0\u884c\u6bd4\u8f83\u591a\uff0c\u8fd9\u4e00\u70b9\u6bd4\u8f83\u5951\u5408\u3002<\/li>\n<li>\u7b2c\u4e09\u4e2a\u662f\u5177\u6709\u5bb9\u9519\u80fd\u529b\uff0c\u56e0\u4e3a\u5728\u79bb\u7ebf\u6df7\u90e8\u53ef\u80fd\u4f1a\u538b\u7f29\u79bb\u7ebf\u4efb\u52a1\u7684\u8d44\u6e90\uff0c\u5e76\u5bf9 Pod \u8fdb\u884c\u9a71\u9010\uff0c\u6240\u4ee5\u9700\u8981\u4efb\u52a1\u5177\u6709\u4e00\u5b9a\u5bb9\u9519\u80fd\u529b\u3002<\/li>\n<\/ul>\n<h3>2.3 \u9002\u5408\u5728\u79bb\u7ebf\u6df7\u90e8\u7684 Flink \u4efb\u52a1<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126505\" alt=\"9\" title=\"9\" loading=\"lazy\"><\/p>\n<p>\u5bf9\u6279\u4efb\u52a1\u6765\u8bf4\uff0c\u7531\u4e8e Pod \u53ef\u80fd\u88ab\u9a71\u9010\u6389\uff0c\u5f53\u88ab\u9a71\u9010\u7684\u65f6\u5019\uff0c\u5728\u5176\u4ed6\u8282\u70b9\u4e0a\u62c9\u8d77\u5c31\u6709\u53ef\u80fd\u91cd\u65b0\u6d88\u8d39\u6570\u636e\uff0c\u9020\u6210\u6570\u636e\u7684\u91cd\u590d\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u9009\u62e9 Sink \u7aef\u652f\u6301\u5e42\u7b49\u63d2\u5165\u6216\u4e0d\u5728\u610f\u91cd\u590d\u6570\u636e\u7684\u6279\u4efb\u52a1\u8fc1\u79fb\u3002\u5bf9\u6279\u6a21\u5f0f\u5f15\u64ce\uff0c\u6211\u4eec\u8981\u5c3d\u53ef\u80fd\u8ba9\u6240\u6709\u7b97\u5b50 chain \u5230\u4e00\u8d77\uff0c\u9009\u62e9\u8fd9\u4e00\u90e8\u5206\u7684\u4efb\u52a1\u8fc1\u79fb\u3002\u56e0\u4e3a\u7b97\u5b50\u5982\u679c\u4e0d chain \u5230\u4e00\u8d77\uff0c\u5c31\u4f1a\u8fdb\u884c\u4e2d\u95f4\u6570\u636e\u7684\u843d\u76d8\uff0c\u8fd9\u6837\u5c31\u4f1a\u5bf9\u8d44\u6e90\u8282\u70b9\u7684\u8981\u6c42\u66f4\u9ad8\u3002\u5c3d\u91cf\u9009\u62e9\u5728\u591c\u95f4\u5927\u91cf\u8fd0\u884c\u7684\u6279\u4efb\u52a1\u8fc1\u79fb\uff0c\u56e0\u4e3a\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\u5728\u665a\u4e0a\u8d44\u6e90\u6bd4\u8f83\u7a7a\u95f2\u3002\u4e00\u822c\u5728\u79bb\u7ebf\u6df7\u90e8\u96c6\u7fa4\u4e0d\u9002\u5408\u4e0a\u6d41\u4efb\u52a1\uff0c\u4f46\u56e0\u4e3a\u5b83\u5728\u767d\u5929\u4f1a\u6709\u4e00\u4e9b\u7a7a\u95f2\u8d44\u6e90\u80fd\u591f\u652f\u6301\u4e00\u90e8\u5206\u7684\u6d41\u4efb\u52a1\u8fd0\u884c\uff0c\u6240\u4ee5\u6211\u4eec\u4e5f\u9009\u62e9\u8fc1\u79fb\u4e00\u90e8\u5206\u4f4e\u4f18\u7684\u6d41\u4efb\u52a1\uff0c\u4e14\u8fd9\u90e8\u5206\u6d41\u4efb\u52a1\u9700\u8981\u80fd\u591f\u5bb9\u5fcd Fail Over\uff0c\u5141\u8bb8\u4e00\u6bb5\u65f6\u95f4\u7684\u5ef6\u8fdf\u3002<\/p>\n<h3>2.4 Flink \u4e0e\u5728\u79bb\u7ebf\u5171\u5efa<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126506\" alt=\"10\" title=\"10\" loading=\"lazy\"><\/p>\n<p>\u9996\u5148\u6211\u4eec\u4f1a\u90e8\u7f72\u4e00\u4e2a Flink \u7684\u72ec\u5360\u96c6\u7fa4\uff0c\u5b83\u4e0a\u9762\u6ca1\u6709\u72ec\u5360\u7684\u8282\u70b9\uff0c\u7136\u540e\u5bb9\u5668\u56e2\u961f\u5c06\u865a\u62df\u8282\u70b9\u90e8\u7f72\u5230\u6211\u4eec\u7684\u72ec\u5360\u96c6\u7fa4\u4e2d\u3002\u865a\u62df\u8282\u70b9\u80cc\u540e\u5bf9\u5e94\u7740\u4e00\u4e2a controller \u548c\u771f\u6b63\u7684\u8d44\u6e90\u8282\u70b9\uff0c\u5f53\u6211\u4eec\u63d0\u4ea4\u4efb\u52a1\u65f6\uff0c\u53ea\u9700\u8981\u5c06\u4efb\u52a1\u63d0\u4ea4\u7ed9\u865a\u62df\u8282\u70b9\uff0cdeployment \u5c31\u4f1a\u5728\u865a\u62df\u8282\u70b9\u4e0a\u62c9\u8d77 JobManager \u7684 Pod\u3002\u6700\u540e\u8fd9\u4e2a\u521b\u5efa\u8fc7\u7a0b\u4f1a\u88ab\u865a\u62df\u8282\u70b9\u7684 controller \u4e0b\u53d1\u5230\u80cc\u540e\u771f\u6b63\u7684\u8d44\u6e90\u8282\u70b9\u4e0a\u6267\u884c\u3002<\/p>\n<p>\u6211\u4eec\u91c7\u7528\u7684\u662f Flink Native K8s \u7684\u65b9\u5f0f\uff0c\u6240\u4ee5 TaskManager \u7531 JobManager \u62c9\u8d77\u3002\u8fd9\u4e2a\u521b\u5efa\u8fc7\u7a0b\u548c deployment \u7684\u521b\u5efa\u8fc7\u7a0b\u4e00\u6837\uff0c\u4e5f\u4f1a\u88ab\u865a\u62df\u8282\u70b9\u4e0b\u53d1\u5230\u771f\u6b63\u7684\u8d44\u6e90\u8282\u70b9\u53bb\u6267\u884c\u3002\u4e5f\u5c31\u662f\u8bf4\u6700\u7ec8 JobManager \u548c TaskManager \u7684 Pod \u90fd\u8fd0\u884c\u5728\u80cc\u540e\u7684\u8d44\u6e90\u8282\u70b9\u4e0a\uff0c\u5728\u865a\u62df\u8282\u70b9\u4e0a\u53ea\u6709 Pod \u7684\u4e00\u4efd\u955c\u50cf\u3002\u5bf9\u4e8e Configmaps\u3001Service\u3001Ingress \u7b49 K8s \u8d44\u6e90\uff0c\u5b83\u7684\u6e90\u6570\u636e\u90fd\u5b58\u5728 ETCD \u4e2d\uff0c\u53ea\u9700\u8981\u540c\u6b65\u4e00\u90e8\u5206\u8fc7\u53bb\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5728 Flink \u72ec\u5360\u96c6\u7fa4\u6b63\u5e38\u63d0\u4ea4\u4efb\u52a1\uff0c\u4e14\u80fd\u6b63\u5e38\u901a\u8fc7 kubectl \u547d\u4ee4\u64cd\u4f5c Pod\uff0c\u5bf9\u6211\u4eec\u6765\u8bf4\u4f7f\u7528\u5728\u79bb\u7ebf\u7684\u865a\u62df\u96c6\u7fa4\u5c31\u548c\u4f7f\u7528\u4e00\u4e2a\u666e\u901a\u7684 flink \u72ec\u5360\u96c6\u7fa4\u662f\u4e00\u6837\u7684\u3002\u5f53\u7136\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\u6709\u4e00\u4e9b\u95ee\u9898\uff0c\u6bd4\u5982 JobManager \u548c TaskManager \u5206\u5c5e\u4e8e\u4e24\u4e2a\u96c6\u7fa4\uff0c\u4ed6\u4eec\u4e4b\u95f4\u5982\u4f55\u8fdb\u884c\u901a\u4fe1\uff0c\u65e5\u5fd7\u548c\u76d1\u63a7\u6307\u6807\u5982\u4f55\u91c7\u96c6\u7b49\u7b49\uff0c\u8fd9\u4e9b\u90fd\u662f\u4e00\u4e9b\u5de5\u7a0b\u5b9e\u73b0\u4e0a\u7684\u95ee\u9898\uff0c\u8fd9\u91cc\u5c31\u4e0d\u518d\u8d58\u8ff0\u4e86\u3002<\/p>\n<h2>\u4e09\u3001\u5b9e\u8df5\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6848<\/h2>\n<p>\u6700\u540e\u4e00\u90e8\u5206\u5c31\u662f\u6211\u4eec\u5728\u5b9e\u8df5\u8fc7\u7a0b\u4e2d\u9047\u5230\u7684\u4e00\u4e9b\u95ee\u9898\uff0c\u4f5c\u4e3a\u4e91\u7684\u539f\u4f4f\u6c11\uff0c\u8fd9\u91cc\u95ee\u9898\u4e5f\u805a\u7126\u4e8e\u6211\u4eec\u5728\u4e91\u539f\u751f\u4e0a\u9047\u5230\u7684\u4e00\u4e9b\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h3>3.1 \u907f\u514d\u5bbf\u4e3b\u673a\u4e0a\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u7684\u6b8b\u5b58<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126507\" alt=\"11\" title=\"11\" loading=\"lazy\"><\/p>\n<p>\u7b2c\u4e00\u4e2a\u95ee\u9898\uff0c\u5982\u4f55\u907f\u514d\u5bbf\u4e3b\u673a\u4e0a\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u7684\u6b8b\u5b58\u3002\u4f7f\u7528\u8fc7 K8s \u5bb9\u5668\u6280\u672f\u7684\u4eba\u90fd\u4f1a\u9047\u5230\u8fd9\u6837\u7684\u95ee\u9898\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\uff0c\u5bb9\u5668\u4e2d\u7684\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u90fd\u5b58\u5728 docker \u76d8\u4e2d\u3002\u5982\u679c\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u8fc7\u5927\u5c31\u4f1a\u5f71\u54cd docker \u7684\u8fd0\u884c\u7a33\u5b9a\u6027\uff0c\u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u5728\u5bb9\u5668\u4e2d\u6302\u8f7d\u53e6\u5916\u4e00\u5757\u6570\u636e\u76d8\uff0c\u8ba9\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u5199\u5230\u8fd9\u5757\u6570\u636e\u76d8\u4e2d\uff0c\u8fd9\u6837\u5c31\u4e0d\u4f1a\u5f71\u54cd docker \u7684\u8fd0\u884c\u7a33\u5b9a\u6027\u4e86\u3002<\/p>\n<p>\u5728 K8s \u91cc\u6302\u8f7d\u6570\u636e\u76d8\u4e00\u822c\u90fd\u901a\u8fc7 hostPath volume \u7684\u6302\u8f7d\u65b9\u5f0f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u7684\u597d\u5904\u662f\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2a\u5bbf\u4e3b\u673a\u7684\u6302\u8f7d\u76ee\u5f55\uff0c\u6302\u8f7d\u65b9\u5f0f\u7b80\u5355\uff0c\u4f46 hostPath \u6302\u8f7d\u65b9\u5f0f\u4f9d\u8d56\u7a0b\u5e8f\u672c\u8eab\u4e34\u65f6\u6587\u4ef6\u7684\u6e05\u7406\u903b\u8f91\u3002\u5982\u679c Pod \u5f02\u5e38\u9000\u51fa\uff0c\u6bd4\u5982\u9047\u5230\u4e86 OOM \u88ab K8s Kill \u6389\u4e86\uff0c\u6b64\u65f6\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u7684\u6e05\u7406\u903b\u8f91\u8fd8\u6ca1\u6765\u5f97\u53ca\u6267\u884c Pod \u5df2\u7ecf\u7ed3\u675f\u6389\u4e86\uff0c\u90a3\u4e48\u8fd9\u4e2a\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u5c31\u4f1a\u6b8b\u5b58\u5728\u5bbf\u4e3b\u673a\u4e0a\u3002\u5f53\u6b8b\u5b58\u7684\u6587\u4ef6\u8d8a\u6765\u8d8a\u591a\uff0c\u5360\u6ee1\u4e86\u6574\u4e2a\u6570\u636e\u76d8\uff0c\u5c31\u4f1a\u5f71\u54cd\u4efb\u52a1\u8fd0\u884c\u7684\u7a33\u5b9a\u6027\u3002\u90a3\u4e48\u6211\u4eec\u662f\u5982\u4f55\u89e3\u51b3\u7684\u5462\uff1f<\/p>\n<p>K8s \u6709\u4e00\u79cd\u6302\u8f7d\u65b9\u5f0f\u53eb emptyDir\uff0c\u5b83\u4e0e Pod \u540c\u751f\u547d\u5468\u671f\u3002\u6240\u4ee5\u65e0\u8bba Pod \u662f\u6b63\u5e38\u7ed3\u675f\u8fd8\u662f\u5f02\u5e38\u7ed3\u675f\uff0c\u53ea\u8981\u7ed3\u675f\u4e4b\u540e emptyDir \u6302\u8f7d\u76ee\u5f55\u4e2d\u7684\u4e34\u65f6\u6570\u636e\u6587\u4ef6\u90fd\u4f1a\u88ab\u6e05\u7406\u6389\uff0c\u8fd9\u5c31\u964d\u4f4e\u4e86\u5bf9\u7a0b\u5e8f\u6e05\u7406\u903b\u8f91\u7684\u4f9d\u8d56\u3002<\/p>\n<p>\u8fd9\u91cc\u6709\u4e00\u70b9\u9700\u8981\u8981\u6ce8\u610f\uff0cemptyDir \u4e0d\u80fd\u6307\u5b9a\u6302\u8f7d\u76ee\u5f55\uff0c\u9ed8\u8ba4\u4f7f\u7528 kubelet \u5de5\u4f5c\u76ee\u5f55\u5b58\u50a8\u3002\u4e00\u822c\u8fd9\u4e2a\u76ee\u5f55\u5728\u7cfb\u7edf\u76d8\u91cc\uff0c\u5982\u679c\u4e0d\u505a\u4efb\u4f55\u5904\u7406\uff0c\u4e34\u65f6\u6587\u4ef6\u5199\u5165\u7cfb\u7edf\u76d8\u5c31\u6709\u53ef\u80fd\u4f1a\u5f71\u54cd\u7cfb\u7edf\u8fd0\u884c\u7684\u7a33\u5b9a\u6027\uff0c\u6240\u4ee5\u4e00\u822c\u6211\u4eec\u8981\u5728\u5f00\u673a\u7684\u65f6\u5019\uff0c\u66f4\u6362 kubelet \u7684\u5de5\u4f5c\u76ee\u5f55\u5230\u53e6\u5916\u4e00\u5757\u6570\u636e\u76d8\u3002<\/p>\n<h3>3.2 \u6279\u6a21\u5f0f\u5728\u4e91\u539f\u751f\u573a\u666f\u4e0b\u7684 OOM \u95ee\u9898<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126508\" alt=\"12\" title=\"12\" loading=\"lazy\"><\/p>\n<p>\u7b2c\u4e8c\u4e2a\u95ee\u9898\uff0c\u6279\u6a21\u5f0f\u5728\u4e91\u539f\u751f\u573a\u666f\u4e0b\u7684 OOM \u95ee\u9898\u3002\u8fd9\u4e2a\u4efb\u52a1\u5728\u6d41\u6a21\u5f0f\u5f15\u64ce\u8fd0\u884c\u7684\u975e\u5e38\u987a\u7545\uff0c\u4f46\u8f6c\u6362\u5230\u6279\u6a21\u5f0f\u5f15\u64ce\u8fd0\u884c\u4e4b\u540e\u5c31\u4f1a\u9891\u7e41\u51fa\u73b0 OOM \u95ee\u9898\u3002<\/p>\n<p>\u8fd9\u4e2a\u4efb\u52a1\u5728 chain \u4e4b\u540e\u4f9d\u7136\u6709\u4e24\u4e2a\u7b97\u5b50\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e2d\u95f4\u4f1a\u8fdb\u884c\u4e00\u6b21\u6570\u636e\u7684 Shuffle\uff0cOOM \u5c31\u53d1\u751f\u5728\u5199 Shuffle \u6570\u636e\u7684\u8fd9\u4e2a\u9636\u6bb5\u3002\u4ece\u4e0a\u56fe\u53f3\u4e0a\u89d2\u7684\u76d1\u63a7\u56fe\uff0c\u53ef\u4ee5\u660e\u663e\u770b\u5230\u4e24\u4e2a\u9636\u6bb5\uff0c\u7b2c\u4e00\u4e2a\u9636\u6bb5\u662f\u5199 Shuffle \u6570\u636e\u7684\u9636\u6bb5\uff0c\u6709\u4e00\u4e9b work-set \u98d9\u5347\u7684\u60c5\u51b5\uff0c\u4e00\u65e6\u8d85\u8fc7\u5bb9\u5668\u9650\u5236\u5c31\u4f1a\u89e6\u53d1 OOM Kill\u3002<\/p>\n<p>\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\uff0c\u9996\u5148\u6211\u4eec\u9996\u5148\u4ece Flink \u7684 webui \u4e0a\u89c2\u5bdf\u5806\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u76ee\u524d\u770b\u5806\u5185\u5b58\u7684\u4f7f\u7528\u662f\u6b63\u5e38\u7684\uff0c\u4ece GC \u76d1\u63a7\u754c\u9762\u4e5f\u53ef\u4ee5\u770b\u5230 GC \u60c5\u51b5\u662f\u6b63\u5e38\u7684\u3002\u90a3\u4e48\u6211\u4eec\u6000\u7591\u53ef\u80fd\u662f\u5806\u5916\u5185\u5b58\u51fa\u73b0\u4e86\u6cc4\u6f0f\uff0c\u4e8e\u662f\u6211\u4eec\u8fdb\u5165 Pod \u91cc\u9762\u901a\u8fc7 pmap \u547d\u4ee4\u67e5\u770b RSS \u7684\u4f7f\u7528\u60c5\u51b5\u3002\u4e5f\u5c31\u662f\u53f3\u4e0b\u89d2\u7684\u8fd9\u5f20\u56fe\uff0c\u53ef\u4ee5\u770b\u5230 RSS \u4e5f\u662f\u6b63\u5e38\u7684\uff0c\u4e14 RSS \u53ea\u6709 7G \u5de6\u53f3\uff0c\u6ca1\u6709\u8fbe\u5230 20G \u7684\u9650\u5236\uff0c\u4e5f\u5c31\u53ef\u4ee5\u8bf4\u660e\u4e0d\u662f\u5806\u5916\u5185\u5b58\u6cc4\u9732\u5bfc\u81f4\u7684\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\u7b54\u6848\u5176\u5b9e\u5df2\u7ecf\u547c\u4e4b\u6b32\u51fa\u4e86\u3002work-set \u6307\u6807\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a RSS+Page Cache\uff0cRSS \u662f\u6b63\u5e38\u7684\uff0cwork-set \u53c8\u51fa\u73b0\u98d9\u5347\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u6211\u4eec\u5c31\u53ef\u4ee5\u6000\u7591\u662f Page Cache \u9020\u6210\u7684 OOM\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126509\" alt=\"13\" title=\"13\" loading=\"lazy\"><\/p>\n<p>\u987a\u7740\u8fd9\u4e2a\u601d\u8def\uff0c\u6211\u4eec\u767b\u5f55\u5230\u673a\u5668\u8282\u70b9\u4e0a\u53bb\u67e5\u770b\u673a\u5668\u65e5\u5fd7\u3002\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6211\u4eec\u627e\u5230\u4e86\u4e00\u4e2a\u8c03\u7528\u6808\uff0c\u53ef\u4ee5\u770b\u5230\u662f\u7531\u4e8e\u7533\u8bf7 Page Cache \u9020\u6210\u7684 OOM\u3002\u5b9e\u9645\u4e0a\u5c31\u662f\u4e91\u76d8\u7684\u6027\u80fd\u4e0d\u8db3\uff0c\u5728 Shuffle \u6570\u636e\u65f6\u77ac\u95f4\u5927\u91cf\u5199 Page Cache\uff0c\u4e0d\u80fd\u53ca\u65f6\u5c06\u6570\u636e\u5237\u5230\u78c1\u76d8\uff0c\u5bfc\u81f4\u5185\u5b58\u8d85\u7528\uff0c\u89e6\u53d1 OOM Kill\u3002<\/p>\n<p>\u6211\u4eec\u6709\u4e00\u4e2a\u4e34\u65f6\u7684\u89e3\u51b3\u65b9\u6848\u3002\u589e\u52a0 Pod \u6570\u91cf\uff0c\u51cf\u5c11\u5355\u4e2a Pod \u5904\u7406\u7684\u6570\u636e\u91cf\uff0c\u7136\u540e\u5c3d\u91cf\u8ba9 Pod \u5206\u5e03\u5230\u4e0d\u540c\u7684\u673a\u5668\u8282\u70b9\u4e0a\uff0c\u964d\u4f4e\u673a\u5668\u8282\u70b9\u7684\u538b\u529b\u3002\u6216\u8005\u5347\u7ea7\u673a\u5668\u5185\u6838\uff0c\u901a\u8fc7\u8c03\u6574\u5185\u6838\u53c2\u6570\u8fdb\u884c\u9650\u6d41\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4ece Flink \u5f15\u64ce\u672c\u8eab\u7740\u624b\uff0c\u5728 Shuffle \u6570\u636e\u9636\u6bb5\u76f4\u63a5\u8fdb\u884c\u9650\u6d41\u3002<\/p>\n<h2>\u56db\u3001\u672a\u6765\u5c55\u671b<\/h2>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000044126510\" alt=\"14\" title=\"14\" loading=\"lazy\"><\/p>\n<p>\u672a\u6765\u5c0f\u7ea2\u4e66\u5c06\u8981\u63a2\u7d22\u7684\u65b9\u5411\uff0c\u4e3b\u8981\u5305\u542b\u4ee5\u4e0b\u4e09\u90e8\u5206\u3002<\/p>\n<ul>\n<li>\u7b2c\u4e00\uff0c\u6279\u6a21\u5f0f\u5e94\u7528\u6df1\u5165\u6316\u6398\u3002\u6211\u4eec\u5e0c\u671b\u80fd\u591f\u6df1\u5165\u7528\u6237\uff0c\u6316\u6398\u66f4\u591a\u7684\u6279\u6a21\u5f0f\u5f15\u64ce\u7684\u4f7f\u7528\u573a\u666f\uff0c\u771f\u6b63\u63a8\u5e7f Flink \u7684\u6d41\u6279\u4e00\u4f53\u3002<\/li>\n<li>\u7b2c\u4e8c\uff0c\u914d\u5408\u4f7f\u7528 K8s \u7684 Resource Quota \u529f\u80fd\uff0c\u5c06\u4e1a\u52a1\u65b9\u7684\u591a\u4e2a\u5c0f\u96c6\u7fa4\u8fdb\u884c\u5408\u5e76\uff0c\u51cf\u5c11\u673a\u5668\u7684\u8d44\u6e90\u788e\u7247\u95ee\u9898\u3002<\/li>\n<li>\u7b2c\u4e09\uff0cServerless \u662f\u6279\u6a21\u5f0f\u5f15\u64ce\u5728\u4e91\u539f\u751f\u73af\u5883\u4e0b\u90e8\u7f72\u7684\u4e00\u4e2a\u91cd\u8981\u76ee\u6807\uff0c\u4f46\u662f\u5f3a\u884c\u90e8\u7f72\u4e3a serverless \u610f\u5473\u7740\u5982\u679c pod \u88ab Kill \u6389\u4e2d\u95f4\u6570\u636e\u5c31\u4f1a\u88ab\u6e05\u7406\uff0c\u4f1a\u5f71\u54cd\u4efb\u52a1\u7684\u6545\u969c\u6062\u590d\uff0c\u8fd9\u4e2a\u65f6\u5019 remote Shuffle Service \u7684\u4ef7\u503c\u5c31\u4f53\u73b0\u51fa\u6765\u4e86\uff0c\u4f7f\u7528 Remote Shuffle Service \u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5bf9\u672c\u5730\u78c1\u76d8\u7684\u90e8\u5206\u4f9d\u8d56\uff0c\u63d0\u5347\u8d44\u6e90\u5229\u7528\u7387\uff0c\u52a9\u529b\u4e91\u539f\u751f\u67b6\u6784\u3002<\/li>\n<\/ul>\n<p><a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=SrMRnR0b9jmL3Y2IXZbmuw%3D%3D.VOKJ%2B7Qa8yKX9G9LtgRKij%2BVEV0OS7jRbjpzLmY%2B28zlFZdzYYu0annkIJ2yCeJwfN0XR6hUaP6kQqV9yBbKySnIX650%2FrR8Ky%2BBlxFzQkpVLJVEgVKMD%2BXlNxvFgxXmJRbQUBfl1%2F0sfpHzMhkDbw%3D%3D\" rel=\"noopener noreferrer\">\u70b9\u51fb\u67e5\u770b\u539f\u6587\u89c6\u9891 &#038; \u6f14\u8bb2PPT<\/a><\/p>\n<hr>\n<h3>\u66f4\u591a\u5185\u5bb9<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000043814703\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<hr>\n<p><strong>\u6d3b\u52a8\u63a8\u8350<\/strong><\/p>\n<p>\u963f\u91cc\u4e91\u57fa\u4e8e Apache Flink \u6784\u5efa\u7684\u4f01\u4e1a\u7ea7\u4ea7\u54c1-\u5b9e\u65f6\u8ba1\u7b97 Flink \u7248\u73b0\u5f00\u542f\u6d3b\u52a8\uff1a<br \/>0 \u5143\u8bd5\u7528 <a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=ApEMfw9EWj0tI%2BvdDPZ0uw%3D%3D.gL0G98Fb%2FS8ohSfHciK1bLXXVavWukTKXRD1kkyJgxHb8YuuZXtzEVZSsc%2BMKcf5\" rel=\"noopener noreferrer\">\u5b9e\u65f6\u8ba1\u7b97 Flink \u7248<\/a>\uff085000CU*\u5c0f\u65f6\uff0c3 \u4e2a\u6708\u5185\uff09<br \/>\u4e86\u89e3\u6d3b\u52a8\u8be6\u60c5\uff1a<a target=\"_blank\" href=\"https:\/\/link.segmentfault.com\/?enc=APuehQpnxQNYNGqtrknRSg%3D%3D.uINEnh%2F0cq3dV%2FUxEPpg2jH8ydWCDpdtEBUNJcPU%2BvKK3C863UthLKQJ2zkggftV\" rel=\"noopener noreferrer\">https:\/\/click.aliyun.com\/m\/1000372333\/<\/a><\/p>\n<p><img decoding=\"async\" width=\"723\" height=\"365\" referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/bVc8Vus\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000044126495\">https:\/\/segmentfault.com\/a\/1190000044126495<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u8981\uff1a\u672c\u6587\u6574\u7406\u81ea\u5b9e\u65f6\u5f15\u64ce\u7814\u53d1\u5de5\u7a0b\u5e08\u8881\u594e\uff0c\u5728 Flink Forward Asia 2022 \u6570\u636e\u96c6\u6210\u4e13\u573a\u7684\u5206\u4eab [&hellip;]<\/p>\n","protected":false},"author":1,"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-10008116","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\/10008116","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10008116"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10008116\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10008116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10008116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10008116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}