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href=\"https:\/\/www.fagao.me\/p\/t\/121\">\u641c\u7d22\u5f15\u64ce<\/a>\u67b6\u6784\u6709\u56db\u4e2a\u65b9\u9762\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\n<p>\u654f\u6377\u6027\uff1a\u5e0c\u671b\u7528\u4e00\u4e2a\u4ee3\u7801\u5e93\u6765\u7ef4\u62a4\u6574\u4e2a\u641c\u7d22\u67b6\u6784\uff0c\u540c\u65f6\u671f\u671b\u4e00\u4e2a\u9ad8\u7ea7\u7684API\u6765\u8868\u8fbe\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n<\/li>\n<li>\n<p>\u4e00\u81f4\u6027\uff1a\u5356\u5bb6\u6216\u4ea7\u54c1\u6570\u636e\u5e93\u7684\u53d8\u66f4\u5fc5\u987b\u53cd\u6620\u5728\u6700\u7ec8\u7684\u641c\u7d22\u7ed3\u679c\u4e0a\uff0c\u56e0\u6b64\u9700\u8981\u201cat-least-once\u201d\u8bed\u4e49\uff08Flink\u5728\u516c\u53f8\u5176\u4ed6\u5e94\u7528\u573a\u666f\u4e2d\u4e5f\u53ef\u80fd\u9700\u8981\u201cexactly-once\u201d\u8bed\u4e49\uff09\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f4e\u5ef6\u8fdf\uff1a\u5e93\u5b58\u7684\u53d8\u66f4\u5fc5\u987b\u8981\u7acb\u523b\u53cd\u6620\u5728\u641c\u7d22\u7ed3\u679c\u4e2d\uff1b\u6bd5\u7adf\u4e0d\u5e0c\u671b\u6392\u540d\u9760\u524d\u7684\u662f\u552e\u7f44\u7684\u4ea7\u54c1\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f00\u9500\uff1a\u963f\u91cc\u6709\u5927\u91cf\u6570\u636e\u8981\u5904\u7406\u3002\u5c31\u89c4\u6a21\u800c\u8a00\uff0c\u6548\u7387\u7684\u63d0\u5347\u4f1a\u5927\u5e45\u8282\u7701\u5f00\u9500\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u4e2a\u8db3\u591f\u9ad8\u6548\u7684\u6846\u67b6\u6765\u89e3\u51b3\u9ad8\u6d41\u91cf\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u5bf9\u4e8e\u7edf\u4e00\u7684\u6279\u5904\u7406\u548c\u6d41\u5904\u7406\u6709\u4e24\u79cd\u505a\u6cd5\u3002\u7b2c\u4e00\u79cd\u65b9\u662f\u4ee5\u6279\u5904\u7406\u4e3a\u51fa\u53d1\u70b9\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u5efa\u7acb\u6d41\u5904\u7406\u3002\u53ef\u60dc\u8fd9\u5f88\u96be\u6ee1\u8db3\u82db\u523b\u7684\u5ef6\u8fdf\u8981\u6c42\uff0c\u56e0\u4e3a\u901a\u8fc7\u5fae\u578b\u6279\u5904\u7406\u6765\u6a21\u62df\u6d41\u5904\u7406\u7684\u65b9\u6cd5\u4f1a\u4ea7\u751f\u56fa\u5b9a\u7684\u7cfb\u7edf\u5f00\u9500\uff0c\u4e14\u5ef6\u8fdf\u8d8a\u4f4e\uff0c\u5f00\u9500\u8d8a\u5927\u3002\u5bf9\u963f\u91cc\u7684\u89c4\u6a21\u800c\u8a00\uff0c\u6bcf\u6b21\u5fae\u578b\u6279\u5904\u7406\u9700\u8981\u89e3\u51b31000\u79d2\u7684\u4efb\u52a1\u91cf\u3002\u8fc7\u7a0b\u4e2d\u94fe\u63a5\u88ab\u91cd\u65b0\u5efa\u7acb\uff0c\u72b6\u6001\u88ab\u91cd\u65b0\u52a0\u8f7d\u3002\u56e0\u6b64\u5fae\u578b\u6279\u5904\u7406\u7684\u65b9\u6cd5\u7684\u4ee3\u4ef7\u4f1a\u8fc7\u9ad8\u3002<\/p>\n<p>Flink\u5219\u91c7\u7528\u4e86\u53e6\u4e00\u79cd\u65b9\u5f0f\u3002\u5b83\u4ee5\u6d41\u5904\u7406\u4e3a\u51fa\u53d1\u70b9\uff0c\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u5efa\u7acb\u4e86\u6279\u5904\u7406\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4e5f\u5c31\u662f\u628a\u6279\u5904\u7406\u5f53\u6210\u4e86\u6d41\u7684\u4e00\u79cd\u7279\u6b8a\u60c5\u51b5\u3002\u800c\u4e14\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7528\u6237\u4e5f\u53ef\u4ee5\u5bf9\u6279\u5904\u7406\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<p><span><strong><span>\u7b2c\u4e09\u90e8\u5206\uff1aBlink\u662f\u4ec0\u4e48<\/span><\/strong><\/span><\/p>\n<p>Blink\u662fFlink\u7684\u4e00\u4e2a\u5206\u652f\uff0c\u901a\u8fc7\u7ef4\u62a4\u5b83\u6765\u6ee1\u8db3\u963f\u91cc\u7684\u4e00\u4e9b\u7279\u6b8a\u9700\u6c42\u3002\u5f53\u524d\uff0cBlink\u5728\u51e0\u4e2a\u4e0d\u540c\u7684\u96c6\u7fa4\u4e0a\u8fd0\u884c\uff0c\u800c\u6bcf\u4e2a\u96c6\u7fa4\u5927\u7ea6\u67091000\u53f0\u673a\u5668\u3002\u56e0\u6b64\uff0c\u5927\u89c4\u6a21\u8fd0\u884c\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>Blink\u7684\u6539\u8fdb\u4e3b\u8981\u4f53\u73b0\u5728\u4e24\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\n<p>\u628aTable API\u505a\u7684\u66f4\u5b8c\u6574\uff0c\u8fd9\u6837\u5c31\u80fd\u7528\u76f8\u540c\u7684SQL\u64cd\u4f5c\u6279\u5904\u7406\u548c\u6d41\u5904\u7406<\/p>\n<\/li>\n<li>\n<p>\u63d0\u9ad8\u4e86YARN\u6a21\u5f0f\u7684\u5065\u58ee\u6027\uff0c\u5e76\u4f7f\u5f97\u5b83\u5b8c\u7f8e\u517c\u5bb9Flink\u7684API\u53ca\u66f4\u5e7f\u9614\u7684\u751f\u6001\u7cfb\u7edf<\/p>\n<\/li>\n<\/ul>\n<p><span><strong>Table API<\/strong><\/span><\/p>\n<p>\u9996\u5148\u6dfb\u52a0\u4e86\u5bf9\u53ef\u5b9a\u4e49\u51fd\u6570\u7684\u652f\u6301\uff0c\u8fd9\u6837\u7528\u6237\u5c31\u80fd\u66f4\u65b9\u4fbf\u5730\u628a\u4e1a\u52a1\u903b\u8f91\u5199\u5165Flink\u3002\u8fd9\u91cc\u8fd8\u6dfb\u52a0\u4e86\u6d41\u5bf9\u6d41\u8fde\u63a5\uff0c\u8fd9\u5e76\u4e0d\u5bb9\u6613\uff0c\u4f46Flink\u5bf9\u72b6\u6001\u7684\u652f\u6301\u7b80\u5316\u4e86\u76f8\u5173\u5de5\u4f5c\u3002\u53e6\u5916\u8fd8\u6dfb\u52a0\u4e86\u4e00\u4e9b\u4e0d\u540c\u7684aggregations\uff0c\u5176\u4e2d\u6700\u6709\u8da3\u7684\u5f53\u5c5edistinct_count\u548cwindowing\u652f\u6301\u3002<\/p>\n<p>\uff08\u7f16\u8005\u6309\uff1aFLIP-11\u5305\u542b\u4e86\u4e00\u7cfb\u5217\u4e0a\u6587\u63d0\u53ca\u7684Table API\u548c\u5bf9SQL\u7684\u6539\u8fdb\uff0c\u4f9b\u6709\u5174\u8da3\u7684\u8bfb\u8005\u53c2\u8003\uff09<\/p>\n<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5c06\u4f1a\u901a\u8fc7\u56db\u4e2a\u65b9\u9762\u6765\u8c08runtime\u4e2d\u7684\u6539\u8fdb\u3002<\/p>\n<p><span><strong>Blink on Yarn<\/strong><\/span><\/p>\n<p>\u5f53\u9879\u76ee\u5f00\u59cb\u65f6\uff0cFlink\u652f\u6301\u4e24\u79cd\u96c6\u7fa4\u6a21\u5f0f\uff1astandalone\u53caYarn\u3002\u5728Yarn\u6a21\u5f0f\u4e2d\uff0c\u4e00\u4e2ajob\u4e0d\u80fd\u52a8\u6001\u8bf7\u6c42\u548c\u91ca\u653e\u8d44\u6e90\uff0c\u800c\u662f\u8981\u63d0\u524d\u83b7\u5f97\u6240\u6709\u6240\u9700\u8d44\u6e90\u3002\u4e0d\u540c\u7684\u5de5\u4f5c\u5171\u4eabJVM\u8fdb\u7a0b\uff0c\u4ece\u800c\u8d44\u6e90\u5229\u7528\u7387\u4f18\u5148\u4e8e\u9694\u79bb\u6027\u3002<\/p>\n<p>Blink\u5f15\u8fdb\u4e86\u4e00\u79cd\u65b0\u7684\u67b6\u6784\uff0c\u6bcf\u4e2ajob\u90fd\u6709\u4e00\u4e2aJobMaster\u6765\u8bf7\u6c42\u548c\u91ca\u653e\u5b83\u6240\u9700\u7684\u8d44\u6e90\uff0c\u4e0d\u540c\u7684job\u4e0d\u80fd\u5728\u540c\u4e00\u4e2aJava\u8fdb\u7a0b\u4e2d\u8fd0\u884c\u3002\u8fd9\u5c31\u5728job\u548ctask\u4e4b\u95f4\u5b9e\u73b0\u4e86\u9694\u79bb\u3002\u963f\u91cc\u7684\u56e2\u961f\u6b63\u4e0eFlink\u793e\u533a\u5408\u4f5c\u5c06\u8fd9\u90e8\u5206\u5de5\u4f5c\u5408\u5e76\u5230\u5f00\u6e90\u9879\u76ee\u4e2d\u3002\u8fd9\u4e9b\u6539\u8fdb\u53ef\u53c2\u8003FLIP-6\uff08\u9664\u4e86Yarn\u4ee5\u5916\u8fd8\u6d89\u53ca\u5176\u4ed6\u7684\u96c6\u7fa4\u7ba1\u7406\u5668\uff09\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.fagao.me\/images\/uploads\/2021_024.jpg\" alt=\"\"><\/p>\n<p><span><strong>Operator Rescale<\/strong><\/span><\/p>\n<p>\u5728\u751f\u4ea7\u4e2d\uff0c\u5ba2\u6237\u7aef\u9700\u8981\u5728\u4fdd\u6301\u72b6\u6001\u7684\u540c\u65f6\u6539\u53d8operators\u7684\u5e76\u884c\u6a21\u5f0f\u3002\u521a\u5f00\u59cb\u505aBlink\u65f6\uff0cFlink\u8fd8\u4e0d\u652f\u6301\u8fd9\u4e00\u70b9\u3002\u800cBlink\u5f15\u8fdb\u4e86\u201cbucket\u201d\u7684\u6982\u5ff5\u4f5c\u4e3a\u7ba1\u7406\u72b6\u6001\u7684\u5355\u5143\u3002bucket\u7684\u6570\u91cf\u6bd4task\u591a\u5f97\u591a\uff0c\u4e14\u6bcf\u4e2atask\u4e0e\u591a\u4e2a\u6876\u7ed1\u5b9a\u3002\u5f53parallelism\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u4f1a\u91cd\u65b0\u7ed9\u4efb\u52a1\u5206\u914d\u201cbucket\u201d\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u5c31\u80fd\u5728\u7ef4\u6301\u72b6\u6001\u7684\u540c\u65f6\u6539\u53d8operators\u7684parallelism\u4e86\u3002<\/p>\n<p>\uff08\u7f16\u8005\u6309\uff1aFlink\u793e\u533a\u5df2\u7ecf\u5728Flink 1.2\u4e2d\u89e3\u51b3\u4e86\u8fd9\u4e00\u95ee\u9898\uff0c\u8be5\u7279\u6027\u5b58\u5728\u4e8e\u4e3b\u5206\u652f\u7684\u6700\u65b0\u7248\u672c\u4e2d\u3002Flink\u7684\u201ckey groups\u201d\u6982\u5ff5\u548c\u8fd9\u91cc\u6240\u8bf4\u7684\u201cbucket\u201d\u57fa\u672c\u7b49\u4ef7\u7684\uff0c\u4f46\u91c7\u7528\u4e86\u4e0d\u540c\u7684\u6570\u636e\u7ed3\u6784\u6765\u5b9e\u73b0\u3002\u8be6\u60c5\u53c2\u8003FLINK-3755 in Jira.\uff09<\/p>\n<\/p>\n<p><span><strong>\u589e\u91cfCheckpointing<\/strong><\/span><\/p>\n<p>Flink\u4e2d\uff0cCheckpointing\u7684\u5efa\u7acb\u6709\u4e24\u4e2a\u9636\u6bb5\uff1a\u5728\u672c\u5730\u83b7\u53d6\u72b6\u6001\u5feb\u7167\uff0c\u5e76\u628a\u5b83\u653e\u5230HDFS\uff08\u6216\u8005\u5176\u4ed6\u7684\u5b58\u50a8\u7cfb\u7edf\uff09\u4e0a\uff0c\u8fd9\u6837\u6574\u4e2a\u72b6\u6001\u5feb\u7167\u5c31\u80fd\u548c\u6bcf\u4e2a\u5feb\u7167\u4e00\u8d77\u5b58\u50a8\u5728HDFS\u4e2d\u4e86\u3002\u53ef\u60dc\u8fd9\u91cc\u7684\u72b6\u6001\u592a\u5927\u4e86\uff0c\u8fd9\u79cd\u65b9\u6cd5\u884c\u4e0d\u901a\uff0c\u56e0\u6b64Blink\u53ea\u628a\u88ab\u4fee\u6539\u7684\u72b6\u6001\u5b58\u50a8\u5728HDFS\u4e2d\u3002\u8fd9\u79cd\u65b9\u5f0f\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86Checkpointing\u5efa\u7acb\u7684\u6548\u7387\uff0c\u4f7f\u5f97\u5728\u751f\u4ea7\u4e2d\u4f7f\u7528\u5927\u7684\u72b6\u6001\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n<\/p>\n<p><span><strong>\u5f02\u6b65I\/O<\/strong><\/span><\/p>\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u6027\u80fd\u74f6\u9888\u5f80\u5f80\u5728\u4e8e\u8bbf\u95ee\u5916\u90e8\u5b58\u50a8\uff0c\u5982HBase\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\uff0c\u8fd9\u91cc\u5f15\u5165\u4e86\u5f02\u6b65I\/O\u6280\u672f\u3002\u8fd9\u90e8\u5206\u5de5\u4f5c\u4e5f\u88ab\u56de\u9988\u7ed9\u4e86\u5f00\u6e90\u793e\u533a\uff0c\u7ec6\u8282\u89c1FLIP-12\u3002<\/p>\n<p>\uff08\u7f16\u8005\u6309\uff1a\u56e0\u4e3aFLIP-12\u5185\u5bb9\u8f83\u591a\uff0cData Artisans\u5c06\u5728\u8fd1\u671f\u53d1\u8868\u5355\u72ec\u4ecb\u7ecd\u5b83\u7684\u6587\u7ae0\u3002\u5728\u6b64\u4e00\u7b14\u5e26\u8fc7\uff0c\u5982\u679c\u60f3\u4e86\u89e3\u66f4\u591a\u8bf7\u53c2\u8003FLIP writeup\u3002\u53e6\u5916\uff0c\u672c\u6587\u53d1\u8868\u65f6\u8fd9\u90e8\u5206\u529f\u80fd\u5df2\u52a0\u5165Flink\u3002\uff09<\/p>\n<blockquote>\n<p><span>\u539f\u6587\u94fe\u63a5\uff1aBlink: How Alibaba Uses Apache Flink \uff08\u4f5c\u8005\/\u848b\u6653\u4f1f\uff09<\/span><\/p>\n<\/blockquote>\n<p><strong><span>-END-<\/span><\/strong><strong><span><\/span><\/strong><\/p>\n<p><span><strong>\u4e91\u6816\u793e\u533a<\/strong><\/span><\/p>\n<p><span>ID\uff1a<span>yunqiinsight<\/span><\/span><\/p>\n<p><span>\u4e91\u8ba1\u7b97\u4e28\u4e92\u8054\u7f51\u67b6\u6784\u4e28\u5927\u6570\u636e\u4e28\u673a\u5668\u5b66\u4e60<span>\u4e28\u8fd0\u7ef4<\/span><\/span><\/p>\n<p><strong><span>\u66f4\u591a\u7cbe\u5f69\u5185\u5bb9\u70b9\u51fb\u4e0b\u65b9<span>\u2193\u2193\u2193\u9605\u8bfb\u539f\u6587\u2193\u2193\u2193<\/span>\uff0c\u8fdb\u5165\u4e91\u6816\u793e\u533a\u201c<span>\u5927\u6570\u636e\u9891\u9053<\/span>\u201d\u3002<\/span><\/strong><\/p>\n<div class=\"articleend\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u6574\u7406\u81ea\u963f\u91cc\u641c\u7d22\u57fa\u7840\u8bbe\u65bd\u56e2\u961f\u7814\u7a76\u5458\u848b\u6653\u4f1f\u5728Flink Forward 2016\u5927\u4f1a\u4e0a\u7684\u6f14\u8bb2\uff0c\u539f\u59cb\u6f14\u8bb2\u89c6\u9891\u53ef\u4ee5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[183],"class_list":["post-111529","post","type-post","status-publish","format-standard","hentry","category-news","tag-183"],"_links":{"self":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/posts\/111529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/comments?post=111529"}],"version-history":[{"count":0,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/posts\/111529\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/media?parent=111529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/categories?post=111529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fagao.me\/p\/wp-json\/wp\/v2\/tags?post=111529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}