{"id":1461,"date":"2020-06-01T00:47:35","date_gmt":"2020-05-31T16:47:35","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1461"},"modified":"2020-06-01T00:47:35","modified_gmt":"2020-05-31T16:47:35","slug":"hudi%e3%80%81kudu%e5%92%8cdelta-lake%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1461","title":{"rendered":"Hudi\u3001Kudu\u548cDelta Lake\u5bf9\u6bd4"},"content":{"rendered":"<h3>Hudi<\/h3>\n<p>Hudi\u662fHadoop Updates and Incrementals\u7684\u7f29\u5199\uff0c\u7528\u4e8e\u7ba1\u7406HDFS\u4e0a\u7684\u5927\u578b\u5206\u6790\u6570\u636e\u96c6\u5b58\u50a8\uff0c\u4e3b\u8981\u76ee\u7684\u662f\u9ad8\u6548\u7684\u51cf\u5c11\u5165\u5e93\u5ef6\u65f6\u3002Hudi\u662f\u4e00\u4e2a\u5f00\u6e90Spark\u4e09\u65b9\u5e93\uff0c\u652f\u6301\u5728Hadoop\u4e0a\u6267\u884cupserts\/insert\/delete\u64cd\u4f5c\u3002Hudi\u6570\u636e\u96c6\u901a\u8fc7\u81ea\u5b9a\u4e49\u7684InputFormat\u4e0e\u5f53\u524d\u7684Hadoop\u751f\u6001\u7cfb\u7edf\uff08Hive\u3001parquet\u3001spark\uff09\u96c6\u6210\uff0c\u4f7f\u8be5\u6846\u67b6\u5bf9\u6700\u7ec8\u7528\u6237\u6765\u8bf4\u662f\u65e0\u7f1d\u7684\u3002<\/p>\n<h3>Kudu<\/h3>\n<p>Kudu\u662fcloudera\u5f00\u6e90\u7684\u8fd0\u884c\u5728hadoop\u5e73\u53f0\u4e0a\u7684\u5217\u5f0f\u5b58\u50a8\u7cfb\u7edf,\u62e5\u6709Hadoop\u751f\u6001\u7cfb\u7edf\u5e94\u7528\u7684\u5e38\u89c1\u6280\u672f\u7279\u6027\uff0c\u8fd0\u884c\u5728\u4e00\u822c\u7684\u5546\u7528\u786c\u4ef6\u4e0a\uff0c\u652f\u6301\u6c34\u5e73\u6269\u5c55,\u9ad8\u53ef\u7528\uff0c\u76ee\u524d\u662fApache Hadoop\u751f\u6001\u5708\u7684\u65b0\u6210\u5458\u4e4b\u4e00\uff08incubating\uff09\u3002Kudu\u5b9a\u4f4d\u4e8e\u5e94\u5bf9\u5feb\u901f\u53d8\u5316\u6570\u636e\u7684\u5feb\u901f\u5206\u6790\u578b\u6570\u636e\u4ed3\u5e93\uff0c\u5e0c\u671b\u9760\u7cfb\u7edf\u81ea\u8eab\u80fd\u529b\uff0c\u652f\u6491\u8d77\u540c\u65f6\u9700\u8981\u9ad8\u541e\u5410\u7387\u7684\u987a\u5e8f\u548c\u968f\u673a\u8bfb\u5199\u7684\u5e94\u7528\u573a\u666f\uff0c\u63d0\u4f9b\u4e00\u4e2a\u4ecb\u4e8eHDFS\u548cHBase\u7684\u6027\u80fd\u7279\u70b9\u4e4b\u95f4\u7684\u4e00\u4e2a\u7cfb\u7edf\uff0c\u5728\u968f\u673a\u8bfb\u5199\u548c\u6279\u91cf\u626b\u63cf\u4e4b\u95f4\u627e\u5230\u4e00\u4e2a\u5e73\u8861\u70b9\uff0c\u5e76\u4fdd\u969c\u7a33\u5b9a\u53ef\u9884\u6d4b\u7684\u54cd\u5e94\u5ef6\u8fdf\u3002\u53ef\u4e0eMapReduce, Spark\u548c\u5176\u5b83hadoop\u751f\u6001\u7cfb\u7edf\u96c6\u6210\u3002<\/p>\n<h3>Delta Lake<\/h3>\n<p>Delta Lake\u662f\u4e00\u4e2a\u5f00\u6e90\u5b58\u50a8\u5c42\uff0c\u4e3a\u6570\u636e\u6e56\u5e26\u6765\u4e86\u53ef\u9760\u6027\u3002Delta Lake\u63d0\u4f9b\u4e86ACID\u4e8b\u52a1\u3001\u53ef\u4f38\u7f29\u7684\u5143\u6570\u636e\u5904\u7406\u4ee5\u53ca\u7edf\u4e00\u7684\u6d41\u548c\u6279\u6570\u636e\u5904\u7406\u3002\u901a\u8fc7\u5199\u548c\u5feb\u7167\u9694\u79bb\u4e4b\u95f4\u7684\u4e50\u89c2\u5e76\u53d1\u63a7\u5236\uff08optimistic concurrency control\uff09\uff0c\u5728\u5199\u5165\u6570\u636e\u671f\u95f4\u63d0\u4f9b\u4e00\u81f4\u6027\u7684\u8bfb\u53d6\uff0c\u4ece\u800c\u4e3a\u6784\u5efa\u5728 HDFS \u548c\u4e91\u5b58\u50a8\u4e0a\u7684\u6570\u636e\u6e56\uff08data lakes\uff09\u5e26\u6765\u53ef\u9760\u6027\u3002Delta Lake \u8fd8\u63d0\u4f9b\u5185\u7f6e\u6570\u636e\u7248\u672c\u63a7\u5236\uff0c\u4ee5\u4fbf\u8f7b\u677e\u56de\u6eda\u3002<br \/>\n&nbsp;<br \/>\nkudu\u3001hudi\u548cdelta lake\u662f\u76ee\u524d\u6bd4\u8f83\u70ed\u95e8\u7684\u652f\u6301\u884c\u7ea7\u522b\u6570\u636e\u589e\u5220\u6539\u67e5\u7684\u5b58\u50a8\u65b9\u6848\uff0c\u901a\u8fc7\u5b58\u50a8\u673a\u5236\u3001\u8bfb\u6570\u636e\u3001\u66f4\u65b0\u6570\u636e\u7b49\u65b9\u9762\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n<h3><\/h3>\n<h3 id=\\\"\u5b58\u50a8\u673a\u5236\\\"><strong>\u5b58\u50a8\u673a\u5236<\/strong><\/h3>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u00a0<strong>hudi<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">hudi\u7ef4\u62a4\u4e86\u4e00\u4e2a\u65f6\u95f4\u8f74\uff0c\u8bb0\u5f55\u4e86\u5728\u4e0d\u540c\u65f6\u523b\u5bf9\u6570\u636e\u96c6\u8fdb\u884c\u7684\u6240\u6709\u64cd\u4f5c\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">hudi\u62e5\u67092\u79cd\u5b58\u50a8\u4f18\u5316\uff0c\u8bfb\u4f18\u5316\u9002\u5408\u8bfb\u591a\u5199\u5c11\u7684\u573a\u666f\uff0c\u5199\u4f18\u5316\u9002\u5408\u8bfb\u5c11\u5199\u591a\u7684\u573a\u666f\u3002<\/p>\n<ul>\n<li style=\\\"list-style-type: none;\\\">\n<ol>\n<li>\u8bfb\u4f18\u5316\uff08Copy On Write\uff09\uff1a\u5728\u6bcf\u6b21commit\u540e\u90fd\u5c06\u6700\u65b0\u7684\u6570\u636ecompaction\u6210\u5217\u5f0f\u5b58\u50a8\uff08parquet\uff09\uff1b<\/li>\n<li>\u5199\u4f18\u5316\uff08Merge On Read\uff09\uff1a\u5bf9\u589e\u91cf\u6570\u636e\u4f7f\u7528\u884c\u5f0f\u5b58\u50a8\uff08avro\uff09\uff0c\u540e\u53f0\u5b9a\u671f\u5c06\u5b83compaction\u6210\u5217\u5f0f\u5b58\u50a8\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>kudu<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">kudu\u7684\u5b58\u50a8\u673a\u5236\u548chudi\u7684\u5199\u4f18\u5316\u65b9\u5f0f\u6709\u4e9b\u76f8\u4f3c\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">kudu\u7684\u6700\u65b0\u6570\u636e\u4fdd\u5b58\u5728\u5185\u5b58\uff0c\u79f0\u4e3aMemRowSet\uff08\u884c\u5f0f\u5b58\u50a8\uff0c\u57fa\u4e8eprimary key\u6709\u5e8f\uff09\uff0c<br \/>\n\u5f53MemRowSet\u5199\u6ee1\uff08\u9ed8\u8ba41G\u6216\u8005120s\uff09\u540eflush\u5230\u78c1\u76d8\uff0c\u5f62\u6210DiskRowSet\uff08\u5217\u5f0f\u5b58\u50a8\uff09\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">DiskRowSet\u5305\u542bbaseData\u4e0eDeltaStores\u4e24\u90e8\u5206\uff0cDeltaStores\u5305\u542b\u4e00\u4e2aDeltMemStore\u548c\u591a\u4e2aDeltaFile\uff0c<br \/>\n\u540e\u7eed\u7684\u66f4\u65b0\u6570\u636e\u5b58\u653e\u5728DeltMemStore\u4e2d\uff0c\u589e\u957f\u5230\u4e00\u5b9a\u7a0b\u5ea6\u540eflush\u6210DeltaFile\u6587\u4ef6\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">kudu\u4f1a\u5b9a\u671f\u6267\u884ccompaction\u64cd\u4f5c\uff0c\u5c06DeltaFile\u4e2d\u7684\u66f4\u65b0\u5408\u5e76\u5230DiskRowSet\uff0c\u6216\u8005\u5408\u5e76DiskRowSet\uff0c\u6e05\u9664\u5df2\u5220\u9664\u7684\u6570\u636e\uff0c\u5e76\u51cf\u5c11DiskRowSet\u7684\u6570\u91cf\u3002<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u00a0<strong>delta lake<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">delta lake\u7684\u5b58\u50a8\u673a\u5236\u548chudi\u7684\u8bfb\u4f18\u5316\u65b9\u5f0f\u76f8\u4f3c\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">delta lake\u7684\u6570\u636e\u4e0d\u4f1a\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u662f\u76f4\u63a5\u5199\u5230\u65b0\u7684\u6570\u636e\u6587\u4ef6\u4e2d\uff08parquet\u683c\u5f0f\uff09\uff0c\u540c\u65f6\u5728commit log\u4e2d\u6dfb\u52a0AddFile\u8fd9\u79cdFileAction\uff0c\u5feb\u7167\u65b0\u5efa\/\u66f4\u65b0\u65f6\u8bfb\u53d6\u4e8b\u52a1\u65e5\u5fd7\uff0c\u4f1a\u52a0\u8f7d\u65b0\u7684\u6570\u636e\u6587\u4ef6\u4fe1\u606f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3 id=\\\"\u8bfb\u6570\u636e\\\">\u8bfb\u6570\u636e<\/h3>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>hudi<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">hudi\u4e5f\u7ef4\u62a4\u7740\u4e00\u4e2a\u7d22\u5f15\uff0c\u4ee5\u6b64\u5c06key\u5feb\u901f\u6620\u5c04\u5230\u5bf9\u5e94\u7684fileId\u3002\u7d22\u5f15\u7684\u5b9e\u73b0\u662f\u63d2\u4ef6\u5f0f\u7684\uff0c\u9ed8\u8ba4\u662fbloomFilter\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528HBase\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">hudi\u63d0\u4f9b3\u79cd\u67e5\u8be2\u89c6\u56fe\u3002<\/p>\n<ol>\n<li style=\\\"list-style-type: none;\\\">\n<ol>\n<li>\u8bfb\u4f18\u5316\u89c6\u56fe\uff1a\u4ec5\u63d0\u4f9bcompaction\u540e\u7684\u5217\u5f0f\u5b58\u50a8\u7684\u6570\u636e\uff1b<\/li>\n<li>\u589e\u91cf\u89c6\u56fe\uff1a\u4ec5\u63d0\u4f9b\u4e00\u6b21compaction\/commit\u524d\u7684\u589e\u91cf\u6570\u636e\uff1b<\/li>\n<li>\u5b9e\u65f6\u89c6\u56fe\uff1a\u5305\u62ec\u5217\u5f0f\u5b58\u50a8\u6570\u636e\u548c\u5199\u4f18\u5316\u7684\u884c\u5f0f\u5b58\u50a8\u6570\u636e\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h5><\/h5>\n<ul>\n<li><strong>kudu<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">\u5148\u6839\u636e\u8981\u626b\u63cf\u6570\u636e\u7684\u4e3b\u952e\u8303\u56f4\uff0c\u5b9a\u4f4d\u5230\u76ee\u6807\u7684tablets\uff0c\u7136\u540e\u8bfb\u53d6tablets\u4e2d\u7684DiskRowSet\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">\u5728\u8bfb\u53d6\u6bcf\u4e2aDiskRowSet\u65f6\uff0c\u5148\u6839\u636e\u4e3b\u952e\u8fc7\u6ee4\u8981scan\u7684\u8303\u56f4\uff0c\u7136\u540e\u52a0\u8f7d\u8303\u56f4\u5185\u7684baseData\uff0c\u518d\u627e\u5230\u5bf9\u5e94\u7684DeltaStores\uff0c<br \/>\n\u5e94\u7528\u6240\u6709\u53d8\u66f4\uff0c\u6700\u540eunion\u4e0aMemRowSet\u4e2d\u7684\u5185\u5bb9\uff0c\u6700\u540e\u8fd4\u56de\u6570\u636e\u7ed9client\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">kudu\u63d0\u4f9brange\u5206\u533a\u548chash\u5206\u533a\u4e24\u79cd\u5206\u533a\u65b9\u5f0f\uff0c\u901a\u8fc7\u591a\u79cd\u7d22\u5f15\uff08\u4e3b\u952e\u8303\u56f4\u7d22\u5f15\u3001bloomfilter\u3001\u4e3b\u952e\u7d22\u5f15\uff09\uff0c\u652f\u6301\u968f\u673a\u8bfb\u53d6\u6570\u636e\u548c\u9ad8\u6548\u7684\u6279\u91cf\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n<ul>\n<li>\u00a0<strong>delta lake<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">\u901a\u8fc7\u8bfb\u53d6\u4e8b\u52a1\u65e5\u5fd7\u7684checkpoint\u6587\u4ef6\uff08parquet\u683c\u5f0f\uff09\u548c\u4e4b\u540e\u7248\u672c\u7684commit\u6587\u4ef6\uff08json\u683c\u5f0f\uff09\uff0c<br \/>\n\u5efa\u7acb\u5f53\u524d\u6700\u65b0\u7684\u5feb\u7167\uff0c\u8be5\u5feb\u7167\u5305\u542b\u4e86\u5f53\u524d\u7248\u672c\u6240\u6709\u6570\u636e\u6587\u4ef6\u7684\u5730\u5740\uff0c\u7136\u540e\u4f7f\u7528spark\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n<h2><\/h2>\n<h3 id=\\\"\u66f4\u65b0\u6570\u636e\\\">\u66f4\u65b0\u6570\u636e<\/h3>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>hudi<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">hudi\u6ca1\u6709\u4f20\u7edf\u610f\u4e49\u7684\u66f4\u65b0\uff0c\u53ea\u6709append\u548c\u91cd\u5199\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">hudi\u5199\u6570\u636e\u7684\u65f6\u5019\u9700\u8981\u6307\u5b9a\u4ee5\u4e0b3\u4e2akey\u3002<\/p>\n<ul>\n<li style=\\\"list-style-type: none;\\\">\n<ol>\n<li>RECORDKEY_FIELD_OPT_KEY\uff1a\u6bcf\u6761\u8bb0\u5f55\u7684\u552f\u4e00id\uff0c\u652f\u6301\u591a\u4e2a\u5b57\u6bb5\uff1b<\/li>\n<li>PRECOMBINE_FIELD_OPT_KEY\uff1a\u5728\u6570\u636e\u5408\u5e76\u7684\u65f6\u5019\u4f7f\u7528\u5230\uff0c\u5f53RECORDKEY_FIELD_OPT_KEY\u76f8\u540c\u65f6\uff0c\u9ed8\u8ba4\u53d6PRECOMBINE_FIELD_OPT_KEY\u5c5e\u6027\u914d\u7f6e\u7684\u5b57\u6bb5\u6700\u5927\u503c\u6240\u5bf9\u5e94\u7684\u884c\uff1b<\/li>\n<li>PARTITIONPATH_FIELD_OPT_KEY\uff1a\u7528\u4e8e\u5b58\u653e\u6570\u636e\u7684\u5206\u533a\u5b57\u6bb5\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">hudi\u66f4\u65b0\u6570\u636e\u548c\u63d2\u5165\u6570\u636e\u5f88\u76f8\u4f3c\uff08\u5199\u6cd5\u51e0\u4e4e\u4e00\u6837\uff09\uff0c\u66f4\u65b0\u6570\u636e\u65f6\uff0c\u4f1a\u6839\u636e\u4ee5\u4e0a\u4e09\u4e2a\u5b57\u6bb5\u5bf9\u6570\u636e\u8fdb\u884cMerge\u3002<\/p>\n<h5><\/h5>\n<ul>\n<li><strong>kudu<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">client\u5411master\u53d1\u51fa\u8bf7\u6c42\uff0c\u901a\u8fc7\u7d22\u5f15\u5b9a\u4f4d\u5230\u5177\u4f53\u7684tablet\uff0c\u7136\u540e\u6839\u636e\u5143\u6570\u636e\u8fde\u63a5tablet\u5bf9\u5e94\u7684tserver\u3002<\/p>\n<p style=\\\"padding-left: 40px;\\\">\u82e5\u6570\u636e\u5728\u78c1\u76d8\uff08DiskRowSet\uff09\u4e0a\uff0c\u5219\u5c06\u66f4\u65b0\u4fe1\u606f\u5199\u5165DeltMemStore\u4e2d\uff0c\u82e5\u6570\u636e\u5728\u5185\u5b58\uff08MemRowSet\uff09\u4e2d\uff0c\u5219\u5c06\u4fe1\u606f\u5199\u5165\u6240\u5728\u884c\u7684mutation\u94fe\u8868\u4e2d\u3002<\/p>\n<h5><\/h5>\n<ul>\n<li><strong>delta lake<\/strong><\/li>\n<\/ul>\n<p style=\\\"padding-left: 40px;\\\">delta lake\u66f4\u65b0\u6570\u636e\u65f6\u4f1a\u5148\u5b9a\u4f4d\u5f85\u66f4\u65b0\u6570\u636e\u6240\u5728\u7684\u6587\u4ef6\uff0c\u4f7f\u7528spark join\u83b7\u5f97\u7ed3\u679c\u6570\u636e\u96c6\uff0c\u5c06\u66f4\u65b0\u540e\u7684\u6570\u636e\u548c\u6587\u4ef6\u4e2d\u5176\u4ed6\u4e0d\u9700\u8981\u66f4\u65b0\u7684\u6570\u636e\u4e00\u8d77\u5199\u5165\u5230\u65b0\u7684\u6587\u4ef6\u91cc\uff0c\u540c\u65f6\u5728commit log\u4e2d\u8bb0\u5f55AddFile\uff08\u65b0\u6587\u4ef6\uff09\u548cRemoveFile\uff08\u65e7\u6587\u4ef6\uff09\u4e24\u79cdaction\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\\\"\u5176\u4ed6\\\">kudu\u3001hudi\u548cdelta lake\u5bf9\u6bd4<\/h2>\n<p>&nbsp;<\/p>\n<table>\n<thead>\n<tr>\n<th>&#8212;<\/th>\n<th>kudu<\/th>\n<th>hudi<\/th>\n<th>delta lake<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u884c\u7ea7\u522b\u66f4\u65b0<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>schema\u4fee\u6539<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u6279\u6d41\u5171\u4eab<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528\u7d22\u5f15<\/td>\n<td>\u662f<\/td>\n<td>\u662f<\/td>\n<td>\u5426<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u4f5c\u4e1a\u5e76\u53d1\u5199<\/td>\n<td>\u5141\u8bb8<\/td>\n<td>\u4e0d\u5141\u8bb8<\/td>\n<td>\u5141\u8bb8<\/td>\n<\/tr>\n<tr>\n<td>\u5143\u6570\u636e\u4f4d\u7f6e<\/td>\n<td>master<\/td>\n<td>\u6839\u76ee\u5f55\u6587\u4ef6\u5939<\/td>\n<td>\u6839\u76ee\u5f55\u6587\u4ef6\u5939<\/td>\n<\/tr>\n<tr>\n<td>\u7248\u672c\u56de\u6eda<\/td>\n<td>\u4e0d\u652f\u6301<\/td>\n<td>\u901a\u8fc7\u8bbe\u7f6e\u589e\u91cf\u89c6\u56fe\u7684INSTANTTIME\u8303\u56f4\uff0c\u652f\u6301\u7248\u672c\u56de\u6eda<\/td>\n<td>\u81ea\u5e26Time Travel\u529f\u80fd\uff0c\u652f\u6301\u7248\u672c\u56de\u6eda<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u65f6\u6027<\/td>\n<td>kudu\u4f7f\u7528\u5185\u5b58\u5b58\u50a8\u65b0\u589e\u6570\u636e\uff0c\u5b9e\u65f6\u6027\u76f8\u5bf9\u8f83\u9ad8<\/td>\n<td>hudi\u6709\u5199\u4f18\u5316\u5b58\u50a8\u65b9\u5f0f\uff0c\u80fd\u8fbe\u52301-5\u5206\u949f\u5ef6\u8fdf\u7684\u8fd1\u5b9e\u65f6\u5904\u7406<\/td>\n<td>delta lake\u5fc5\u987b\u5b8c\u6210commit\u63d0\u4ea4\u624d\u80fd\u67e5\u8be2\u5230\u65b0\u589e\u6570\u636e\uff0c\u5b9e\u65f6\u6027\u5dee<\/td>\n<\/tr>\n<tr>\n<td>\u652f\u6301hadoop\u6587\u4ef6\u7cfb\u7edf<\/td>\n<td>\u4e0d\u652f\u6301\uff0ckudu\u901a\u8fc7raft\u7ba1\u7406\u81ea\u5df1\u7684\u5b58\u50a8\u670d\u52a1\u5668<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u7f3a\u7701\u5217\u5904\u7406<\/td>\n<td>\u9ed8\u8ba4\u4e3anull<\/td>\n<td>hudi\u5728\u63d2\u5165\u65f6\u5fc5\u987b\u6307\u5b9a\u6240\u6709\u5b57\u6bb5\uff0c\u5426\u5219\u62a5\u9519<\/td>\n<td>\u9ed8\u8ba4\u4e3anull<\/td>\n<\/tr>\n<tr>\n<td>\u5e76\u53d1\u8bfb\u5199<\/td>\n<td>\u652f\u6301<\/td>\n<td>\u4e0d\u652f\u6301\u591a\u5ba2\u6237\u7aef\u540c\u65f6\u5199<\/td>\n<td>\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>\u517c\u5bb9\u6027<\/td>\n<td>\u4e0eimpala\u96c6\u6210\u652f\u6301sql\uff0c\u652f\u6301spark\u8bfb\u5199<\/td>\n<td>\u652f\u6301spark\u3001presto\u3001hive\u3001mapreduce\uff0c\u517c\u5bb9\u6027\u8f83\u597d<\/td>\n<td>\u6df1\u5ea6\u4f9d\u8d56spark\uff0c\u76ee\u524d\u6709\u9650\u652f\u6301hive\u3001presto\uff0c\u6709\u5f85\u5b8c\u5584<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3 id=\\\"\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u65b9\u6848\\\"><strong>\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u65b9\u6848<\/strong><\/h3>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u00a0<strong>kudu<\/strong><\/li>\n<\/ul>\n<ol>\n<li>\u4e0d\u540c\u4e8ehudi\u548cdelta lake\u662f\u4f5c\u4e3a\u6570\u636e\u6e56\u7684\u5b58\u50a8\u65b9\u6848\uff0ckudu\u8bbe\u8ba1\u7684\u521d\u8877\u662f\u4f5c\u4e3ahive\u548chbase\u7684\u6298\u4e2d\uff0c\u56e0\u6b64\u5b83\u540c\u65f6\u5177\u6709\u968f\u673a\u8bfb\u5199\u548c\u6279\u91cf\u5206\u6790\u7684\u7279\u6027\u3002<\/li>\n<li>kudu\u5141\u8bb8\u5bf9\u4e0d\u540c\u5217\u4f7f\u7528\u5355\u72ec\u7684\u7f16\u7801\u548c\u538b\u7f29\u683c\u5f0f\uff0c\u62e5\u6709\u5f3a\u5927\u7684\u7d22\u5f15\u652f\u6301\uff0c\u642d\u914drange\u5206\u533a\u548chash\u5206\u533a\u7684\u5408\u7406\u5212\u5206\uff0c<br \/>\n\u5bf9\u5206\u533a\u67e5\u770b\u3001\u6269\u5bb9\u548c\u6570\u636e\u9ad8\u53ef\u7528\u6027\u7684\u652f\u6301\u90fd\u975e\u5e38\u597d\uff0c\u9002\u7528\u4e8e\u65e2\u6709\u968f\u673a\u8bbf\u95ee\uff0c\u4e5f\u6709\u6279\u91cf\u6570\u636e\u626b\u63cf\u7684\u590d\u5408\u573a\u666f\u3002<\/li>\n<li>kudu\u53ef\u4ee5\u548cimpala\u3001spark\u96c6\u6210\uff0c\u652f\u6301sql\u64cd\u4f5c\uff0c\u9664\u6b64\u4e4b\u5916\uff0ckudu\u80fd\u591f\u5145\u5206\u53d1\u6325\u9ad8\u6027\u80fd\u5b58\u50a8\u8bbe\u5907\u7684\u4f18\u52bf\u3002<\/li>\n<li>\u76f8\u6bd4\u8f83\u5176\u4ed6\u4e24\u8005\uff0ckudu\u4e0d\u652f\u6301\u4e91\u5b58\u50a8\uff0c\u4e5f\u4e0d\u652f\u6301\u7248\u672c\u56de\u6eda\u548c\u589e\u91cf\u5904\u7406\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u00a0<strong>hudi<\/strong><\/li>\n<\/ul>\n<ol>\n<li>hudi\u7684\u4ea7\u751f\u80cc\u666f\u662f\u4e3a\u4e86\u89e3\u51b3Uber\u7684\u589e\u91cf\u66f4\u65b0\u95ee\u9898\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u89c6\u56fe\u548c\u5b58\u50a8\u4f18\u5316\u65b9\u5f0f\uff0c<br \/>\n\u53ef\u4ee5\u9002\u914d\u6279\u91cf\u8bbf\u95ee\u573a\u666f\uff0c\u589e\u91cf\u5904\u7406\u573a\u666f\uff0c\u4ee5\u53ca\u8fd1\u5b9e\u65f6\u67e5\u8be2\u573a\u666f\uff0c\u65e0\u8bba\u662f\u8bfb\u591a\u5199\u5c11\u8fd8\u662f\u8bfb\u5c11\u5199\u591a\uff0chudi\u90fd\u80fd\u63d0\u4f9b\u5bf9\u5e94\u7684\u4f18\u5316\u65b9\u6848\uff0c<br \/>\n\u7528\u6237\u53ef\u4ee5\u6839\u636e\u81ea\u8eab\u573a\u666f\u7075\u6d3b\u9009\u62e9\u5408\u9002\u7684\u914d\u7f6e\u3002<\/li>\n<li>\u4e09\u8005\u4e4b\u4e2d\uff0chudi\u7684\u517c\u5bb9\u6027\u6700\u597d\uff0c\u5b83\u539f\u751f\u652f\u6301spark\u3001presto\u3001hive\u548cmapreduce\u7b49\u5927\u6570\u636e\u751f\u6001\u7cfb\u7edf\uff0c\u5e76\u4e14\u8bfb\u5199\u5e95\u5c42\u6587\u4ef6\u5b9e\u73b0\u4e86\u81ea\u5df1\u7684InputFormat\uff0c\u66f4\u5bb9\u6613\u4e0e\u5176\u5b83\u7cfb\u7edf\u505a\u517c\u5bb9\u3002<\/li>\n<li>hudi\u76ee\u524d\u8fd8\u4e0d\u652f\u6301\u901a\u8fc7sql\u64cd\u4f5c\u6570\u636e\uff0c\uff0819\u5e7412\u6708\uff09\u793e\u533a\u5df2\u7ecf\u5c06\u5176\u4f5c\u4e3a\u4e0b\u4e00\u6b65\u7684\u65b9\u5411\uff0c\u4f46\u5b8c\u6210\u65f6\u95f4\u4e0d\u786e\u5b9a\u3002<\/li>\n<li>hudi\u4e0d\u5b58\u5728\u9501\u673a\u5236\uff0c\u56e0\u6b64\u4e0d\u652f\u6301\u591a\u5ba2\u6237\u7aef\u540c\u65f6\u5199\u4e00\u5f20\u8868\uff0c\u8fd9\u662f\u9700\u8981\u6ce8\u610f\u7684\u4e00\u70b9\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ul>\n<li>\u00a0<strong>delta lake<\/strong><\/li>\n<\/ul>\n<ol>\n<li>delta lake\u6df1\u5ea6\u7ed1\u5b9aspark\uff0c\u652f\u6301\u7248\u672c\u56de\u6eda\uff0c\u5728\u5199\u5165\u7684\u65f6\u5019\u5bf9\u6570\u636e\u8fdb\u884c\u5408\u5e76\uff0c\u56e0\u6b64\u5bf9\u8bfb\u53d6\u6bd4\u8f83\u53cb\u597d\u3002<\/li>\n<li>delta lake\u6709\u4e50\u89c2\u9501\u673a\u5236\uff0c\u5141\u8bb8\u5e76\u53d1\u5199\u64cd\u4f5c\u3002\u4f46\u76ee\u524d\u6e90\u7801\u4e2d\u5bf9\u51b2\u7a81\u68c0\u6d4b\u5f88\u4e25\u683c\uff0c\u5bf9\u591a\u7528\u6237\u540c\u65f6\u66f4\u65b0\u7684\u573a\u666f\u652f\u6301\u5e76\u4e0d\u597d\uff0c\u9002\u7528\u4e8e\u5199\u5c11\u8bfb\u591a\uff08\u6216\u8005only append\u5199\u591a\u66f4\u65b0\u5c11\uff09\u7684\u573a\u666f\u3002<\/li>\n<li>delta lake\u5f00\u6e90\u7248\u76ee\u524d\u57fa\u672c\u4e0d\u652f\u6301sql\u64cd\u4f5c\u6570\u636e\uff080.5\u7248\u672c\u652f\u6301hive\u548cpresto\u8bfb\u6570\u636e\uff09\uff0c\u5e94\u8be5\u5728spark3.0\u53d1\u5e03\u540e\u624d\u4f1a\u652f\u6301delete\u3001update\u548cmerge\u64cd\u4f5c\u3002<\/li>\n<li>\u5f00\u6e90\u7248\u76ee\u524d\u8fd8\u5b58\u5728\u5c0f\u6587\u4ef6\u5408\u5e76\u95ee\u9898\uff08\u5546\u4e1a\u7248\u6709\u4f18\u5316\uff0c\u4f46\u662f\u56e0\u4e3a\u6d89\u53ca\u5230Databricks\u7684Runtime\u529f\u80fd\uff0c\u6240\u4ee5\u4e0d\u51c6\u5907\u5f00\u6e90\uff0c\u56e0\u6b64\u5f97\u81ea\u5df1\u624b\u52a8\u5408\u5e76\u5c0f\u6587\u4ef6\uff09\u3002<\/li>\n<li>\u603b\u4f53\u6765\u8bf4\uff0cdelta lake\u662f\u4e00\u4e2a\u8f83\u4e3a\u4f18\u79c0\u7684\u6570\u636e\u6e56\u5b58\u50a8\u65b9\u6848\uff0c\u4f46\u76f4\u63a5\u4f7f\u7528\u5f00\u6e90\u7248\u672c\u8fd8\u9700\u8981\u7528\u6237\u7a0d\u5fae\u8fdb\u884c\u4e00\u4e9b\u9488\u5bf9\u6027\u7684\u4f18\u5316\u3002<\/li>\n<\/ol>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hudi Hudi\u662fHadoop Updates and Incrementals\u7684\u7f29\u5199\uff0c\u7528\u4e8e\u7ba1\u7406HDFS\u4e0a\u7684 &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1461\"> <span class=\"screen-reader-text\">Hudi\u3001Kudu\u548cDelta Lake\u5bf9\u6bd4<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[116],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":2,"uagb_excerpt":"Hudi Hudi\u662fHadoop Updates and Incrementals\u7684\u7f29\u5199\uff0c\u7528\u4e8e\u7ba1\u7406HDFS\u4e0a\u7684&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1461"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1461"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1461\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1461"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}