{"id":50180,"date":"2023-06-15T00:30:34","date_gmt":"2023-09-26T08:07:04","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e7%bf%bb%e8%af%91%e3%80%91%e6%95%b0%e6%8d%ae%e5%ba%93%e6%af%94%e8%be%83%ef%bc%9a%e8%af%a6%e7%bb%86%e4%bb%8b%e7%bb%8d%e4%ba%86mapr-db%e8%83%bd%e5%81%9a%e5%88%b0%e8%80%8ccassandra%e5%92%8chbas\/"},"modified":"2024-04-30T08:54:28","modified_gmt":"2024-04-30T00:54:28","slug":"%e3%80%90%e7%bf%bb%e8%af%91%e3%80%91%e6%95%b0%e6%8d%ae%e5%ba%93%e6%af%94%e8%be%83%ef%bc%9a%e8%af%a6%e7%bb%86%e4%bb%8b%e7%bb%8d%e4%ba%86mapr-db%e8%83%bd%e5%81%9a%e5%88%b0%e8%80%8ccassandra%e5%92%8chbas","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e7%bf%bb%e8%af%91%e3%80%91%e6%95%b0%e6%8d%ae%e5%ba%93%e6%af%94%e8%be%83%ef%bc%9a%e8%af%a6%e7%bb%86%e4%bb%8b%e7%bb%8d%e4%ba%86mapr-db%e8%83%bd%e5%81%9a%e5%88%b0%e8%80%8ccassandra%e5%92%8chbas\/","title":{"rendered":"\u3010\u7ffb\u8bd1\u3011\u6570\u636e\u5e93\u6bd4\u8f83\uff1a\u8be6\u7ec6\u4ecb\u7ecd\u4e86MapR-DB\u80fd\u505a\u5230\u800cCassandra\u548cHBase\u7b49\u6570\u636e\u5e93\u65e0\u6cd5\u505a\u5230\u7684\u4e8b\u60c5"},"content":{"rendered":"<p>\u6b64\u6587\u7ae0\u4e3aCarol McDonald\u57282017\u5e749\u6708\u6240\u5199\u7684\u6587\u7ae0\u7684\u65e5\u6587\u7ffb\u8bd1\u3002\u4e3b\u9898\u662f\u5bf9\u6bd4MapR-DB\u4e0eCassandra\u3001HBase\u7b49\u5176\u4ed6\u6570\u636e\u5e93\u7684\u7279\u70b9\u3002\u8fd9\u7bc7\u6587\u7ae0\u5185\u5bb9\u8be6\u5b9e\uff0c\u6db5\u76d6\u4e86MapR-DB\u53caMapR-FS\u57fa\u7840\u6280\u672f\u7684\u5e95\u5c42\u884c\u4e3a\u89e3\u6790\u3002\u6211\u5411Carol\u63d0\u51fa\u4e86\u7ffb\u8bd1\u8fd9\u7bc7\u6587\u7ae0\u7684\u8bf7\u6c42\uff0c\u5979\u6b23\u7136\u540c\u610f\uff0c\u6240\u4ee5\u6211\u5728\u8fd9\u91cc\u8981\u5411\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\u3002<br \/>\n\u7531\u4e8e\u65f6\u95f4\u8fc7\u53bb\u4e86\u4e00\u6bb5\u65f6\u95f4\uff0cCassandra\u548cHBase\u7684\u884c\u4e3a\u53ef\u80fd\u5df2\u7ecf\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u5e0c\u671b\u5927\u5bb6\u53ef\u4ee5\u8c05\u89e3\u3002<br \/>\n\u81f3\u4e8eMapR-DB\u7684\u884c\u4e3a\uff0c\u5219\u6ca1\u6709\u53d1\u751f\u4efb\u4f55\u53d8\u5316\u3002<\/p>\n<hr \/>\n<p>\u5982\u679c\u6d89\u53ca\u5230\u8981\u6c42\u9ad8\u6027\u80fd\u7684\u4ea7\u54c1\u7684\u5f00\u53d1\u4eba\u5458\u6216\u67b6\u6784\u5e08\uff0c\u5c31\u9700\u8981\u7406\u89e3\u4ec0\u4e48\u4f1a\u4ea7\u751f\u5dee\u5f02\u3002<br \/>\n\u8fd9\u5c31\u50cf\u8d5b\u8f66\u624b\u9009\u62e9\u9ad8\u6027\u80fd\u8d5b\u8f66\u4e00\u6837\u3002<br \/>\n\u5728\u8fd9\u4e00\u70b9\u4e0a\uff0c\u6211\u4e4b\u524d\u5199\u7684\u5173\u4e8e\u8be6\u7ec6\u67b6\u6784\u7684\u6587\u7ae0\u300a\u6df1\u5165\u4e86\u89e3HBase\u67b6\u6784\u300b\u3001\u300aApache Drill\u67b6\u6784\uff1a\u7ec8\u6781\u6307\u5357\u300b\u548c\u300a\u5982\u4f55\u4f7f\u6d41\u5148\u5bfc\u7684\u67b6\u6784\u6a21\u5f0f\u6539\u53d8\u533b\u7597\u5e73\u53f0\u300b\u90fd\u975e\u5e38\u53d7\u6b22\u8fce\uff0c\u5e0c\u671b\u5927\u5bb6\u8fd9\u6b21\u4e5f\u80fd\u559c\u6b22\u3002<\/p>\n<p>\u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecdMapR-DB\u7684\u67b6\u6784\uff0c\u5e76\u4e0e\u5177\u6709\u76f8\u540cNoSQL\u67b6\u6784\u7684Cassandra\u548cHBase\u8fdb\u884c\u6bd4\u8f83\u3002\u6211\u4eec\u5c06\u89e3\u91caMapR-DB\u5982\u4f55\u5b9e\u73b0\u5373\u65f6\u6062\u590d\u3001\u96f6\u6570\u636e\u4e22\u5931\u7b49\u529f\u80fd\uff0c\u5e76\u5177\u5907\u5feb\u901f\u3001\u4e00\u81f4\u4e14\u53ef\u6269\u5c55\u7684\u6027\u80fd\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/4-0.png\" alt=\"mapr-db-comparison.png\" \/><\/div>\n<h1>\u4e3a\u4ec0\u4e48\u9009\u62e9NoSQL\u6570\u636e\u5e93\uff1f<\/h1>\n<p>\u7b80\u8a00\u4e4b\uff0c\u9009\u62e9NoSQL\u7684\u52a8\u673a\u662f\u6570\u636e\u7684\u5bb9\u91cf\u3001\u901f\u5ea6\u548c\u591a\u6837\u6027\u3002MapR-DB\u63d0\u4f9b\u4e86\u4e24\u79cd\u4e0d\u540c\u7684\u6a21\u578b\u6765\u6ee1\u8db3\u6570\u636e\u7684\u591a\u6837\u6027\u9700\u6c42\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HBase API\u3092\u6301\u3064\u30ef\u30a4\u30c9\u30ab\u30e9\u30e0\u578b\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">(MongDB API\u306b\u985e\u4f3c\u3057\u305f)Open JSON API\u3092\u6301\u3064\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u578b\u30e2\u30c7\u30eb<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/8-0.png\" alt=\"multi-model-flexibility.png\" \/><\/div>\n<p>\u6700\u8fd1ESG Labs\u7684\u5206\u6790\u663e\u793a\uff0c\u5728\u4e91\u73af\u5883\u4e2d\uff0c\u5c31\u5bb9\u91cf\u548c\u901f\u5ea6\u800c\u8a00\uff0c\u76f8\u8f83\u4e8eCassandra\u548cHBase\uff0c\u7ed3\u679c\u663e\u793a\u5feb\u4e86\u5c06\u8fd110\u500d(\u6570\u503c\u8d8a\u5927\u8868\u660e\u6027\u80fd\u8d8a\u597d)\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/10-0.png\" alt=\"mapr-db-performance-advantage.png\" \/><\/div>\n<h1>\u5982\u4f55\u5728\u4fdd\u6301\u89c4\u6a21\u6027\u80fd\u7684\u540c\u65f6\u5b9e\u73b0\u9ad8\u901f\u8bfb\u5199\uff1f<\/h1>\n<p>\u91cd\u8981\u7684\u662f\u5bf9\u5e76\u884c\u6267\u884c\u8fdb\u884c\u5206\u533a\uff0c\u5e76\u5c3d\u53ef\u80fd\u51cf\u5c11\u78c1\u76d8\u8bfb\u5199\u7684\u65f6\u95f4\u6d88\u8017\u3002<\/p>\n<h1>\u5173\u4e8e\u5173\u7cfb\u6a21\u578b\u7684\u5c40\u9650\u6027<\/h1>\n<p>\u5728\u4f7f\u7528\u5173\u7cfb\u6a21\u578b\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6570\u636e\u7684\u5b58\u50a8\u8fdb\u884c\u89c4\u8303\u5316\uff0c\u6d88\u9664\u5197\u4f59\u6570\u636e\uff0c\u5e76\u6709\u6548\u5730\u4f7f\u7528\u5b58\u50a8\u7a7a\u95f4\u3002<br \/>\n\u7136\u540e\uff0c\u4f7f\u7528\u7d22\u5f15\u548c\u8fde\u63a5\u67e5\u8be2\u6765\u91cd\u65b0\u6c47\u96c6\u6240\u9700\u7684\u6570\u636e\u8fdb\u884c\u5904\u7406\u3002<br \/>\n\u7136\u800c\uff0c\u7531\u4e8e\u7d22\u5f15\u521b\u5efa\u6d89\u53ca\u5230\u5927\u91cf\u7684\u78c1\u76d8I\/O\u64cd\u4f5c\uff0c\u56e0\u6b64\u63d2\u5165\u6570\u636e\u4f1a\u82b1\u8d39\u65f6\u95f4\u3002<br \/>\n\u6b64\u5916\uff0c\u8fde\u63a5\u64cd\u4f5c\u4f1a\u5bfc\u81f4\u5927\u91cf\u6570\u636e\u7684\u8bfb\u53d6\uff0c\u6210\u4e3a\u74f6\u9888\u3002<br \/>\n\u56e0\u6b64\uff0c\u5173\u7cfb\u6a21\u578b\u65e0\u6cd5\u5728\u96c6\u7fa4\u5185\u8fdb\u884c\u6c34\u5e73\u6269\u5c55\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/15-0.png\" alt=\"limitations-relational-model.png\" \/><\/div>\n<h1>MapR-DB \u88ab\u8bbe\u8ba1\u4e3a\u81ea\u52a8\u5206\u533a\uff0c\u4ee5\u5b9e\u73b0\u4f4e\u8c03\u7684\u529f\u80fd\u3002<\/h1>\n<p>\u65e0\u8bba\u662f\u4f7f\u7528HBase API\u8fd8\u662fJSON API\uff0cMapR-DB\u90fd\u4f1a\u6839\u636e\u8868\u7684\u952e\u8303\u56f4\u81ea\u52a8\u5728\u96c6\u7fa4\u4e2d\u8fdb\u884c\u5206\u533a\u3002\u540c\u65f6\uff0c\u96c6\u7fa4\u4e2d\u7684\u6bcf\u4e2a\u670d\u52a1\u5668\u90fd\u62e5\u6709\u7528\u4e8e\u8868\u7684\u5b50\u96c6\u7684\u6570\u636e\u6e90\u3002MapR-DB\u5177\u6709\u201c\u67e5\u8be2\u4f18\u5148\u201d\u7684\u6a21\u5f0f\u8bbe\u8ba1\uff0c\u6240\u4ee5\u8bf7\u5148\u8003\u8651\u8981\u6267\u884c\u7684\u67e5\u8be2\u3002\u7136\u540e\u8bbe\u8ba1\u884c\u952e\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5747\u5300\u5206\u5e03\u548c\u6709\u6548\u7684\u4e3b\u7d22\u5f15\u3002\u4e0d\u8bba\u662f\u4ee5\u6587\u6863\uff08JSON\uff09\u8fd8\u662f\u5217\uff08HBase\uff09\u7684\u5f62\u5f0f\uff0c\u884c\u5e94\u8be5\u88ab\u8bbe\u8ba1\u4e3a\u5305\u542b\u540c\u65f6\u8bfb\u53d6\u7684\u6570\u636e\u7684\u7ec4\u3002\u5728MapR-DB\u4e2d\uff0c\u6a21\u5f0f\u88ab\u975e\u89c4\u8303\u5316\u4e3a\u4e00\u884c\u6216\u4e00\u7bc7\u6587\u6863\uff0c\u5b58\u50a8\u5728\u5173\u7cfb\u578b\u4e16\u754c\u4e2d\u88ab\u7d22\u5f15\u7684\u591a\u8868\u6570\u636e\u3002\u901a\u8fc7\u952e\u8303\u56f4\u5c06\u6570\u636e\u5206\u7ec4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u57fa\u4e8e\u884c\u952e\u7684\u5feb\u901f\u8bfb\u5199\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/18-0.png\" alt=\"mapr-db-designed-scale-horizontally.png\" \/><\/div>\n<p>\u8bf7\u53c2\u8003\u6b64\u94fe\u63a5\u4ee5\u83b7\u53d6\u6709\u5173\u4f7f\u7528HBase API\u7684MapR-DB\u6a21\u5f0f\u8bbe\u8ba1\u7684\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<h1>NoSQL\u5982\u4f55\u5b9e\u73b0\u9ad8\u901f\u5199\u5165<\/h1>\n<p>\u4f7f\u7528\u4ee5B\u6811\u4e3a\u57fa\u7840\u7684\u4f20\u7edf\u6570\u636e\u5e93\u80fd\u591f\u5b9e\u73b0\u975e\u5e38\u5feb\u901f\u7684\u8bfb\u53d6\uff0c\u4f46\u7531\u4e8e\u78c1\u76d8I\/O\u672a\u7ecf\u7ec4\u7ec7\u5e76\u4e14\u6548\u7387\u4f4e\u4e0b\uff0c\u5b9e\u65f6\u66f4\u65b0\u7684\u6210\u672c\u8f83\u9ad8\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/22-0.png\" alt=\"fast-writes.png\" \/><\/div>\n<p>\u4e00\u65b9\u9762\uff0cLog Structured Merge\u6811\uff08LSM\u6811\uff09\u7684\u8bbe\u8ba1\u65e8\u5728\u901a\u8fc7\u6700\u5c0f\u5316\u975e\u987a\u5e8f\u78c1\u76d8I\/O\u7684\u53d1\u751f\uff0c\u63d0\u4f9b\u6bd4\u4f20\u7edf\u7684\u57fa\u4e8eB\u6811\u7684\u6570\u636e\u5e93\u66f4\u9ad8\u7684\u5199\u5165\u541e\u5410\u91cf\u3002<br \/>\nLSM\u6811\u5728HBase\u3001Cassandra\u3001MongoDB\u7b49\u6570\u636e\u5e93\u4e2d\u88ab\u5e7f\u6cdb\u4f7f\u7528\u3002<br \/>\nLSM\u6811\u5c06\u66f4\u65b0\u5199\u5165\u5230\u78c1\u76d8\u548c\u5185\u5b58\u4e2d\u7684\u65e5\u5fd7\u4e2d\u3002<br \/>\n\u66f4\u65b0\u6570\u636e\u88ab\u8ffd\u52a0\u5230\u4ec5\u7528\u4e8e\u6062\u590d\u7684\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u5e76\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u6392\u5e8f\u3002<br \/>\n\u5f53\u5185\u5b58\u4e2d\u7684\u5199\u5165\u6570\u636e\u5b58\u50a8\u533a\u57df\u5168\u90e8\u7528\u5b8c\u65f6\uff0c\u4f1a\u88ab\u5237\u65b0\u5230\u78c1\u76d8\u4e0a\u7684\u4e0d\u53ef\u53d8\u65b0\u6587\u4ef6\u4e2d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/24-0.png\" alt=\"lsm-trees.png\" \/><\/div>\n<h1>\u9605\u8bfb\u653e\u5927<\/h1>\n<p>LSM\u6811\u7684\u8bbe\u8ba1\u53ef\u4ee5\u5b9e\u73b0\u5feb\u901f\u5199\u5165\uff0c\u4f46\u5982\u679c\u67e5\u8be2\u7684\u884c\u6570\u636e\u4e0d\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\uff0c\u968f\u7740\u66f4\u591a\u6587\u4ef6\u88ab\u5199\u5165\u78c1\u76d8\uff0c\u9700\u8981\u68c0\u7d22\u591a\u4e2a\u6587\u4ef6\u6765\u83b7\u53d6\u76ee\u6807\u884c\u6570\u636e\u5c06\u53d8\u5f97\u5fc5\u8981\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8bfb\u53d6\u901f\u5ea6\u5c06\u4e0b\u964d\u3002\uff08\u6ce8\uff1a\u8fd9\u88ab\u79f0\u4e3a\u8bfb\u53d6\u653e\u5927\uff09<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/27-0.png\" alt=\"read-amplification.png\" \/><\/div>\n<h1>\u5199\u5165\u653e\u5927<\/h1>\n<p>\u4e3a\u4e86\u52a0\u5feb\u8bfb\u53d6\u901f\u5ea6\uff0c\u9700\u8981\u901a\u8fc7\u540e\u53f0\u5904\u7406\u8fdb\u7a0b\uff0c\u901a\u8fc7\u547d\u4ee4\u6216\u5b9a\u671f\u65b9\u5f0f\uff0c\u8bfb\u53d6\u591a\u4e2a\u6587\u4ef6\u5e76\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u6392\u5e8f\u548c\u5408\u5e76\uff0c\u7136\u540e\u6309\u7167\u952e\u503c\u5bf9\u5f62\u5f0f\u5bf9\u65b0\u751f\u6210\u7684\u8f83\u5927\u6587\u4ef6\u8fdb\u884c\u6392\u5e8f\u5e76\u5199\u5165\uff0c\u4ee5\u5b9e\u73b0\u7d27\u51d1\u5316\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/30-0.png\" alt=\"write-amplification.png\" \/><\/div>\n<p>\u7136\u800c\uff0c\u7531\u4e8e\u8be5\u7d27\u51d1\u64cd\u4f5c\u4f1a\u5f15\u53d1\u5927\u91cf\u7684\u78c1\u76d8I\/O\u4ece\u800c\u964d\u4f4e\u5199\u5165\u541e\u5410\u91cf\uff0c\u56e0\u6b64\u79f0\u4e3a\u5199\u653e\u5927\u3002<br \/>\nCassandra\u5728\u8fdb\u884c\u538b\u7f29\u65f6\u9700\u898150%\u7684\u53ef\u7528\u78c1\u76d8\u7a7a\u95f4\uff0c\u5982\u679c\u7531\u4e8e\u538b\u7f29\u800c\u5bfc\u81f4\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5c06\u505c\u6b62\u8fd0\u884c\u3002<br \/>\n\u8bfb\/\u5199\u653e\u5927\u4f1a\u5bfc\u81f4HBase\u548cCassandra\u51fa\u73b0\u65e0\u6cd5\u9884\u6d4b\u7684\u5ef6\u8fdf\u589e\u957f\u3002<br \/>\n\u6839\u636eESG Labs\u6700\u8fd1\u7684\u7814\u7a76\uff0cMapR-DB\u76f8\u6bd4Cassandra\u548cHBase\u5c55\u73b0\u51fa\u6700\u591a10\u500d\u7684\u6027\u80fd\u63d0\u5347\uff0c\u5e76\u4e14\u5ef6\u8fdf\u5728\u53ef\u9884\u6d4b\u7684\u8303\u56f4\u5185\u4e14\u8f83\u4f4e\uff08\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u6570\u503c\u8d8a\u4f4e\u8868\u793a\u6027\u80fd\u8d8a\u597d\uff09\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/32-0.png\" alt=\"low-predictable-latency-width-mapr-db.png\" \/><\/div>\n<h1>\u5728MapR-DB\u4e2d\uff0c\u5982\u4f55\u964d\u4f4e\u5ef6\u8fdf\uff1f<\/h1>\n<p>LSM\u6811\u5b9e\u73b0\u4e86\u6bd4B\u6811\u66f4\u5feb\u7684\u5199\u5165\u901f\u5ea6\uff0c\u4f46\u8bfb\u53d6\u6027\u80fd\u8f83\u5dee\u3002<br \/>\n\u6b64\u5916\uff0c\u5728LSM\u6811\u4e2d\uff0c\u5e73\u8861\u4e0d\u8fc7\u5ea6\u7d27\u7f29\u7684\u60c5\u51b5\uff08\u4f1a\u5f71\u54cd\u8bfb\u53d6\u6027\u80fd\uff09\u548c\u8fc7\u5ea6\u7d27\u7f29\u7684\u60c5\u51b5\uff08\u4f1a\u5f71\u54cd\u5199\u5165\u6027\u80fd\uff09\u975e\u5e38\u91cd\u8981\u3002<br \/>\n\u5728MapR-DB\u4e2d\uff0c\u6211\u4eec\u5904\u4e8e\u8fd9\u4e24\u8005\u4e4b\u95f4\uff0c\u65e2\u907f\u514d\u4e86\u50cfHBase\u548cCassandra\u90a3\u6837\u7684\u538b\u529b\uff0c\u53c8\u907f\u514d\u4e86\u8fc7\u53bb\u7cfb\u7edf\u4e2d\u9ad8\u968f\u673aIO\u7684\u95ee\u9898\u3002<br \/>\n\u56e0\u6b64\uff0c\u6211\u4eec\u80fd\u591f\u63d0\u4f9b\u975e\u5e38\u7a33\u5b9a\u3001\u5ef6\u8fdf\u6781\u4f4e\u4e14\u541e\u5410\u91cf\u975e\u5e38\u9ad8\u7684\u6027\u80fd\u3002<\/p>\n<p>\u7406\u89e3MapR-DB\u4e0e\u5176\u4ed6\u7cfb\u7edf\u6240\u80fd\u505a\u5230\u7684\u72ec\u7279\u4e4b\u5904\uff0c\u9700\u8981\u5148\u7406\u89e3MapR Converged Platform\u3002\u5728Apache HBase\u548cApache Cassandra\u4e2d\uff0c\u5b83\u4eec\u5728\u4ec5\u652f\u6301\u8ffd\u52a0\u6587\u4ef6\u7684\u6587\u4ef6\u7cfb\u7edf\u4e0a\u8fd0\u884c\uff0c\u65e0\u6cd5\u6839\u636e\u6570\u636e\u66f4\u6539\u66f4\u65b0\u6570\u636e\u6587\u4ef6\u3002\u800cMapR\u7684\u72ec\u7279\u4e4b\u5904\u5728\u4e8e\uff0cMapR-DB\u8868\u3001MapR\u6587\u4ef6\u548cMapR\u4e8b\u4ef6\u6d41\u5177\u6709\u9ad8\u53ef\u4f38\u7f29\u6027\u3001\u53ef\u9760\u6027\uff0c\u5e76\u4e14\u88ab\u96c6\u6210\u4e3a\u7efc\u5408\u5206\u5e03\u5f0f\u6570\u636e\u5b58\u50a8MapR-XD\u3002MapR-XD\u901a\u8fc7C++\u539f\u751f\u5b9e\u73b0\u4e86\u968f\u673a\u8bfb\u5199\u6587\u4ef6\u7cfb\u7edf\uff0c\u5e76\u4e14\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u786c\u76d8\u800c\u4e0d\u7ecf\u8fc7\u6587\u4ef6\u7cfb\u7edf\uff08\u5982Ext3\uff09\u3002\u56e0\u6b64\uff0cMapR-DB\u53ef\u4ee5\u9ad8\u6548\u5730\u66f4\u65b0\u6587\u4ef6\uff0c\u800c\u4e0d\u662f\u91c7\u53d6\u59cb\u7ec8\u5199\u5165\u4e0d\u53ef\u53d8\u6587\u4ef6\u7684\u884c\u4e3a\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/36-0.png\" alt=\"mapr-cdp.png\" \/><\/div>\n<p>MapR-DB \u901a\u8fc7 LSM \u6811\u548c B \u6811\u7684\u6df7\u5408\u6a21\u578b\uff0c\u5b9e\u73b0\u4e86\u4e00\u81f4\u6027\u548c\u9ad8\u901f\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u4e0e\u4f20\u7edf\u7684 B \u6811\u6a21\u578b\u4e0d\u540c\uff0c\u53f6\u8282\u70b9\u4e0d\u4f1a\u4e3b\u52a8\u8fdb\u884c\u5e73\u8861\uff0c\u56e0\u6b64\u66f4\u65b0\u64cd\u4f5c\u53ef\u4ee5\u975e\u5e38\u5feb\u901f\u5730\u6267\u884c\u3002\u5728 MapR-DB \u4e2d\uff0c\u66f4\u65b0\u64cd\u4f5c\u88ab\u8ffd\u52a0\u5230\u5c0f\u578b\u7684\u201c\u5fae\u578b\u201d\u65e5\u5fd7\u4e2d\uff0c\u5e76\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\u3002\u4e0e\u5c06\u6570\u636e\u5237\u65b0\u5230\u65b0\u6587\u4ef6\u7684 LSM \u6811\u4e0d\u540c\uff0c\u5f53\u5185\u5b58\u9891\u7e41\u5730\u4e0e\u8bfb\u5199\u6587\u4ef6\u7cfb\u7edf\u5408\u5e76\u65f6\uff0cMapR-DB \u4f1a\u91cd\u65b0\u6784\u5efa\u201c\u5fae\u578b\u201d\u6570\u636e\u3002\u8fd9\u610f\u5473\u7740 MapR-DB \u4e0d\u9700\u8981\u8fdb\u884c\u538b\u7f29\uff08\u201c\u5fae\u578b\u201d\u65e5\u5fd7\u5728\u5408\u5e76\u540e\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u4f1a\u88ab\u5220\u9664\uff09\u3002\u6b64\u5916\uff0c\u5728\u8bfb\u53d6\u64cd\u4f5c\u4e2d\uff0cMapR-DB \u5229\u7528 B \u6811\u5feb\u901f\u8bbf\u95ee\u76ee\u6807\u9644\u8fd1\u7684\u6570\u636e\u96c6\uff0c\u7136\u540e\u626b\u63cf\u8fd9\u4e9b\u6570\u636e\u96c6\u4ee5\u67e5\u627e\u76f8\u5e94\u7684\u6570\u636e\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/38-0.png\" alt=\"mapr-xd.png\" \/><\/div>\n<h1>\u5728HBase\u548cCassandra\u4e2d\u7684\u6570\u636e\u6062\u590d<\/h1>\n<p>\u5728\u8ba8\u8bbalog\u4ec5\u7528\u4e8e\u6062\u590d\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u89e3\u91ca\u4e00\u4e0b\u6062\u590d\u7684\u8fc7\u7a0b\u3002<br \/>\n\u4e3a\u4e86\u5b9e\u73b0\u5728\u901a\u7528\u786c\u4ef6\u4e0a\u7684\u53ef\u9760\u6027\uff0c\u9700\u8981\u4f9d\u8d56\u5b58\u50a8\u591a\u4e2a\u5197\u4f59\u6570\u636e\u526f\u672c\u7684\u590d\u5236\u6a21\u5f0f\u3002<br \/>\n\u90a3\u4e48\u5728HBase\u4e2d\uff0c\u6062\u590d\u662f\u5982\u4f55\u8fdb\u884c\u7684\u5462\uff1f<br \/>\n\u5728HDFS\u4e2d\uff0c\u6587\u4ef6\u88ab\u5206\u5272\u621064MB\u7684\u5757\uff0c\u5e76\u4e14\u6bcf\u4e2a\u5757\u90fd\u4ee5\u4e24\u4e2a\u526f\u672c\u7684\u5f62\u5f0f\u8de8\u8d8a\u6570\u636e\u8282\u70b9\u96c6\u7fa4\u8fdb\u884c\u5b58\u50a8\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/41-0.png\" alt=\"network.png\" \/><\/div>\n<p>\u5982\u679cHDFS\u7684DataNode\u5d29\u6e83\uff0c\u5219\u8be5\u533a\u57df\u5c06\u88ab\u5206\u914d\u7ed9\u5176\u4ed6DataNode\u3002<br \/>\n\u5728\u91cd\u65b0\u6062\u590d\u65e5\u5fd7\u5185\u5bb9\u4e4b\u540e\uff0c\u65b0\u7684\u533a\u57df\u5c06\u53d8\u4e3a\u53ef\u7528\u3002<br \/>\n\u6362\u53e5\u8bdd\u8bf4\uff0c\u5c06\u5c1a\u672a\u5237\u65b0\u5230\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u66f4\u65b0\u4ece\u65e5\u5fd7\u4e2d\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u6309\u952e\u503c\u5bf9\u8fdb\u884c\u6392\u5e8f\uff0c\u7136\u540e\u5c06\u5176\u5237\u65b0\u5230\u65b0\u6587\u4ef6\u4e2d\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/43-0.png\" alt=\"hdfs-data-node.png\" \/><\/div>\n<p>HBase\u7684\u6062\u590d\u8fc7\u7a0b\u8f83\u6162\uff0c\u5b58\u5728\u4ee5\u4e0b\u95ee\u9898\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HDFS\u304c64MB\u3068\u3044\u3046\u5927\u304d\u306aBlock\u5358\u4f4d\u3067\u30c7\u30a3\u30b9\u30afI\/O\u3092\u884c\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HDFS\u30d5\u30a1\u30a4\u30eb\u306fread-only\u3067\u3042\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u3054\u3068\u306b\u5358\u4e00\u306ewrite\u30d7\u30ed\u30bb\u30b9\u3057\u304b\u3044\u306a\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u66f8\u304d\u8fbc\u307f\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u9593\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u306f\u3067\u304d\u305a\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30af\u30ed\u30fc\u30ba\u307e\u3067\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406\u3092\u884c\u3063\u3066\u521d\u3081\u3066\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u304c\u53ef\u80fd\u3068\u306a\u308b\u3002\u9014\u4e2d\u3067\u5931\u6557\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u9589\u3058\u3066\u3044\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u306f\u524a\u9664\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">HDFS\u3068HBase\u9593\u306e\u30ec\u30a4\u30e4\u30fc\u306e\u305f\u3081\u3001\u65b0\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u304c\u66f8\u304d\u8fbc\u307e\u308c\u305f\u3068\u304d\u306b\u306e\u307f\u30c7\u30fc\u30bf\u306e\u30ed\u30fc\u30ab\u30ea\u30c6\u30a3\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u3002HBase\u3067\u306f\u30ea\u30fc\u30b8\u30e7\u30f3\u304c\u30d5\u30a7\u30fc\u30eb\u30fc\u30d0\u6642\u306b\u79fb\u52d5\u3057\u305f\u308a\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b9\u3057\u305f\u30c7\u30fc\u30bf\u304c\u30ed\u30fc\u30ab\u30eb\u306b\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001\u30ea\u30fc\u30b8\u30e7\u30f3\u30b5\u30fc\u30d0\u304c\u4ed6\u306e\u30ce\u30fc\u30c9\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Log\uff08\u3082\u3057\u304f\u306fWAL)\u306f\u5927\u304d\u3044\u306e\u3067\u3001\u518d\u8aad\u8fbc\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3068\u5206\u96e2\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u30d5\u30a7\u30fc\u30eb\u30aa\u30fc\u30d0\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u306fzookeeper\/hbase-master\/hbase-region-server\/NameNode\u9593\u3067\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u306b\u306a\u308b<\/ul>\n<p>Cassandra \u7684\u60c5\u51b5\u600e\u4e48\u6837\u5462\uff1f\u5728 Cassandra \u4e2d\uff0c\u5ba2\u6237\u7aef\u4f1a\u5c06\u5199\u5165\u8bf7\u6c42\u53d1\u9001\u5230\u96c6\u7fa4\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u8282\u70b9\u4e0a\uff0c\u8fd9\u4e2a\u8282\u70b9\u4f1a\u4f5c\u4e3a\u5ba2\u6237\u7aef\u7684\u4ee3\u7406\u6765\u64cd\u4f5c\u3002<br \/>\n\u8fd9\u4e2a\u4ee3\u7406\u8282\u70b9\u4f1a\u67e5\u627e\u5177\u6709\u6570\u636e\u526f\u672c\u7684 N \u4e2a\u8282\u70b9\u7684\u4f4d\u7f6e\uff0c\u5e76\u5c06\u5199\u5165\u547d\u4ee4\u8f6c\u53d1\u5230\u6240\u6709\u8fd9\u4e9b\u8282\u70b9\u3002<br \/>\n\u5982\u679c\u67d0\u4e2a\u8282\u70b9\u53d1\u751f\u6545\u969c\uff0c\u534f\u8c03\u8282\u70b9\u4f1a\u7ee7\u7eed\u5411\u5176\u4ed6\u526f\u672c\u8fdb\u884c\u5199\u5165\uff0c\u5bfc\u81f4\u6545\u969c\u8282\u70b9\u4e0a\u7684\u526f\u672c\u5904\u4e8e\u4e0d\u4e00\u81f4\u72b6\u6001\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/47-0.png\" alt=\"cassandra-application.png\" \/><\/div>\n<p>\u6839\u636eDatastax\u7684\u8bf4\u6cd5\uff0c\u8282\u70b9\u5b95\u673a\u662fCassandra\u4e2d\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u5e38\u89c1\u539f\u56e0\uff0c\u9700\u8981\u901a\u8fc7\u4fee\u590d\u71b5\u5de5\u5177\u7684\u6267\u884c\u6765\u5b9a\u671f\u4fee\u6b63\u3002<br \/>\nYammer\u7684Robert Yokota\u62a5\u544a\u79f0\uff0c\u4e0e\u4ed6\u4eec\u62e5\u6709\u7684\u5176\u4ed6\u4e00\u81f4\u6027\u5f3a\u7684\u7cfb\u7edf\u76f8\u6bd4\uff0cCassandra\u4e0d\u591f\u53ef\u9760\uff0c\u800c\u4e14\u7531\u4e8e\u7f3a\u4e4f\u4e00\u81f4\u6027\uff0c\u5904\u7406\u8d77\u6765\u66f4\u52a0\u56f0\u96be\u3002<\/p>\n<h1>MapR-DB \u5982\u4f55\u5728\u4e0d\u4e22\u5931\u6570\u636e\u7684\u60c5\u51b5\u4e0b\u5b9e\u65f6\u8fdb\u884c\u6062\u590d\uff1f<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/50-0.png\" alt=\"mapr-db-instant-recovery-zero-data-loss.png\" \/><\/div>\n<p>\u4e3a\u4e86\u7406\u89e3MapR-DB\u80fd\u591f\u505a\u5230\u5176\u4ed6\u6570\u636e\u5e93\u4e0d\u80fd\u505a\u5230\u7684\u4e8b\u60c5\uff0c\u9700\u8981\u7406\u89e3\u80fd\u591f24\/7\u4fdd\u6301\u6570\u636e\u5b8c\u6574\u6027\u7684MapR\u6587\u4ef6\u7cfb\u7edf\u3002 \u5728\u5e38\u89c4\u64cd\u4f5c\u4e2d\uff0c\u96c6\u7fa4\u9700\u8981\u5c3d\u5feb\u5199\u5165\u548c\u590d\u5236\u8fdb\u5165\u7684\u6570\u636e\u3002 \u5f53\u6587\u4ef6\u88ab\u5199\u5165MapR\u96c6\u7fa4\u65f6\uff0c\u9996\u5148\u4f1a\u88ab\u5206\u5272\u6210\u79f0\u4e3a\u201c\u5757\u201d\u7684\u5355\u5143\u7528\u4e8e\u5206\u7247\u3002 \u6bcf\u4e2a\u5757\u90fd\u4ee5\u6bcf\u79d22GB\u7684\u901f\u5ea6\u5199\u5165\u5bb9\u5668\u4e2d\u76848KB\u5757\u96c6\u3002 \u5757\u88ab\u5199\u5165\u540e\uff0c\u5b83\u4eec\u4f5c\u4e3a\u4e00\u7cfb\u5217\u5757\u96c6\u8fdb\u884c\u590d\u5236\u3002 \u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u5bf9\u6bcf\u4e2a\u5757\u91cd\u590d\u6267\u884c\uff0c\u76f4\u5230\u6574\u4e2a\u6587\u4ef6\u88ab\u5199\u5165\u4e3a\u6b62\uff08MapR-XD\u7684\u89c6\u9891\u4e2d\u6709\u5173\u4e8e\u8fd9\u4e2a\u8fc7\u7a0b\u7684\u52a8\u753b\uff09\u3002 MapR\u786e\u4fdd\u6240\u6709\u5199\u5165\u90fd\u80fd\u591f\u5728\u6ca1\u6709\u5d29\u6e83\u7b49\u60c5\u51b5\u4e0b\u6267\u884c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/52-0.png\" alt=\"mapr-xd-uses-three-sizes.png\" \/><\/div>\n<p>HDFS\u5728\u6570\u636e\u5206\u7247\u3001\u526f\u672c\u4f4d\u7f6e\u548c\u6587\u4ef6I\/O\u65b9\u9762\u4f7f\u7528\u5355\u4e00\u7684\u5757\u5927\u5c0f\uff0c\u800cMapR-XD\u5219\u4f7f\u7528\u4e09\u79cd\u4e0d\u540c\u7684\u5757\u5927\u5c0f\u3002<br \/>\n\u8fd9\u4e9b\u5757\u5927\u5c0f\u7684\u533a\u522b\u5728\u4e8e\u5b83\u4eec\u5982\u4f55\u88ab\u4f7f\u7528\uff0c\u663e\u793a\u51fa\u4e86\u5b83\u4eec\u7684\u91cd\u8981\u6027\uff0c\u5177\u4f53\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u7528\u306e\u30b5\u30a4\u30ba\u3092\u3088\u308a\u5927\u304d\u304f\u3059\u308b\u3053\u3068\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306b\u4ed8\u968f\u3059\u308b\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u30d5\u30c3\u30c8\u30d7\u30ea\u30f3\u30c8\u304c\u3088\u308a\u5c0f\u3055\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ec\u30d7\u30ea\u30ab\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b5\u30a4\u30ba\u304c\u3088\u308a\u5927\u304d\u3044\u3053\u3068\u306f\u3001CLDB\u306b\u5bfe\u3059\u308b\u30ec\u30d7\u30ea\u30ab\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u554f\u3044\u5408\u308f\u305b\u56de\u6570\u304c\u3088\u308a\u5c11\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c7\u30a3\u30b9\u30afI\/O\u306e\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044\u3053\u3068\u306f\u30d5\u30a1\u30a4\u30eb\u304c\u30e9\u30f3\u30c0\u30e0\u306b\u8aad\u307f\u66f8\u304d\u3055\u308c\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059<\/ul>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/55-0.png\" alt=\"mapr-fs-differentiates-use.png\" \/><\/div>\n<p>\u5728MapR-DB\u4e2d\uff0c\u4e0eHBase\u7c7b\u4f3c\uff0c\u8868\u88ab\u5206\u5272\u6210\u8fde\u7eed\u7684\u884c\uff0c\u5e76\u5206\u914d\u7ed9\u533a\u57df\u6216\u7247\u6bb5\u3002\u4f46\u4e0e\u4e4b\u4e0d\u540c\u7684\u662f\uff0cMapR-DB\u4e2d\u7684\u7247\u6bb5\u5b58\u5728\u4e8e\u5bb9\u5668\u5185\u90e8\u3002\u7531\u4e8e\u8868\u4e0e\u6587\u4ef6\u7cfb\u7edf\u96c6\u6210\u5728\u4e00\u8d77\uff0cMapR-DB\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u672c\u5730\u6027\u3002\u7136\u800c\uff0c\u7531\u4e8eHBase\u4e0e\u6587\u4ef6\u7cfb\u7edf\u5206\u79bb\uff0c\u59cb\u7ec8\u4fdd\u8bc1\u6570\u636e\u7684\u672c\u5730\u6027\u5e76\u4e0d\u5bb9\u6613\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/57-0.png\" alt=\"mapr-db-tables.png\" \/><\/div>\n<p>\u5f53\u8282\u70b9\u4e0b\u7ebf\u65f6\uff0cCLDB\u5c06\u4f1a\u5c06\u539f\u672c\u5b58\u5728\u4e8e\u8be5\u8282\u70b9\u4e0a\u7684\u4e3b\u8981\u5bb9\u5668\u5207\u6362\u5230\u5176\u526f\u672c\u5bb9\u5668\u3002<br \/>\n\u8fd9\u4e2a\u65b0\u7684\u5bb9\u5668\u5c06\u4f5c\u4e3aMapR-DB\u8868\u6216\u6587\u4ef6\u7684\u4e3b\u8981\u5bb9\u5668\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/59-0.png\" alt=\"mapr-db-recovery.png\" \/><\/div>\n<p>\u4e0e\u5176\u4ed6\u6570\u636e\u5e93\u76f8\u6bd4\uff0cMapR-DB\u6700\u5927\u7684\u533a\u522b\u662f\u5b83\u80fd\u591f\u5728\u4e0d\u8fdb\u884c\u5c0f\u578b\u5fae\u65e5\u5fd7(replay micro LOGs)\u7684\u60c5\u51b5\u4e0b\u4ece\u5d29\u6e83\u4e2d\u7acb\u5373\u6062\u590d\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5373\u4f7f\u5728\u6062\u590d\u8fc7\u7a0b\u4e2d\uff0c\u7528\u6237\u4e5f\u53ef\u4ee5\u8bbf\u95ee\u6570\u636e\u5e93\u3002\u5982\u679c\u6709\u9700\u8981\u5e94\u7528\u5c0f\u578b\u5fae\u65e5\u5fd7\u7684\u6570\u636e\u8bf7\u6c42\uff0c\u5b83\u5c06\u5728\u5927\u7ea6250\u6beb\u79d2\u5185\u6267\u884c\uff0c\u5bf9\u4e8e\u5927\u591a\u6570\u7528\u6237\u6765\u8bf4\uff0c\u51e0\u4e4e\u5bdf\u89c9\u4e0d\u5230\u7684\u9ad8\u901f\u6267\u884c\u3002<\/p>\n<p>\u5728HBase\u548cCassandra\u4e2d\uff0c\u4f7f\u7528\u4e86\u5927\u578b\u6062\u590d\u65e5\u5fd7\uff0c\u800cMapR\u4f7f\u7528\u6bcf\u4e2aTablet\u7ea640\u4e2a\u5c0f\u578b\u65e5\u5fd7\u3002\u7531\u4e8e\u73b0\u5728\u670d\u52a1\u5668\u5177\u6709\u66f4\u591a\u7684\u6838\u5fc3\uff0c\u6240\u4ee5\u5c3d\u53ef\u80fd\u4f7f\u7528\u66f4\u591a\u7684\u6838\u5fc3\u4ee5\u5c06\u5c0f\u578b\u65e5\u5fd7\u5199\u5165\u5e76\u5e76\u884c\u5316\u6062\u590d\u662f\u5408\u7406\u7684\u3002\u6b64\u5916\uff0cMapR-DB\u59cb\u7ec8\u5e94\u7528\u5c0f\u578b\u5fae\u65e5\u5fd7\uff0c\u56e0\u6b64\u5927\u591a\u6570\u65e5\u5fd7\u5904\u4e8e\u7a7a\u72b6\u6001\u3002<\/p>\n<p>\u8be5\u67b6\u6784\u4f7f\u5f97MapR-DB\u80fd\u591f\u4ee5\u6bd4HBase\u5feb100\u52301000\u500d\u7684\u901f\u5ea6\u4ece\u5d29\u6e83\u4e2d\u6062\u590d\u3002MapR\u5c06\u6b64\u64cd\u4f5c\u79f0\u4e3a&#8221;Instant Recovery&#8221;\u3002<\/p>\n<p>\u6982\u62ec\u6765\u8bf4\uff0c\u5b58\u5728\u4e8e\u5bb9\u5668\u4e2d\u7684MapR-DB\u8868\u683c\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u5c40\u6240\u6027\u306e\u4fdd\u8a3c\uff1a \u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u306f\u30b3\u30f3\u30c6\u30ca\u304c\u5b58\u5728\u3059\u308b\u30ce\u30fc\u30c9\u3068\u540c\u4e00\u306e\u30ce\u30fc\u30c9\u4e0a\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u306e\u30ec\u30d7\u30ea\u30ab\u3092\u4f7f\u3046\u3001\u3088\u308a\u8ce2\u3044\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0: \u3082\u3057\u30bf\u30d6\u30ec\u30c3\u30c8\u304c\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u306e\u305f\u3081\u306b\u79fb\u52d5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u304c\u4ee5\u524d\u30ed\u30fc\u30ab\u30eb\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30ca\u30ec\u30d7\u30ea\u30ab\u306b\u79fb\u52d5\u3057\u307e\u3059<\/p>\n<p>\u30b3\u30f3\u30c6\u30ca\u30ec\u30d7\u30ea\u30ab\u3092\u4f7f\u3046\u3088\u308a\u8ce2\u304f\u30b7\u30f3\u30d7\u30eb\u306a\u30d5\u30a7\u30fc\u30eb\u30aa\u30fc\u30d0: 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class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/65-0.png\" alt=\"mapr-platform.png\" \/><\/div>\n<p>\u5728\u672c\u6587\u4e2d\u6211\u4eec\u4ecb\u7ecd\u4e86\u67b6\u6784\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4f46\u5e76\u6ca1\u6709\u5b8c\u5168\u4ecb\u7ecd\u9009\u62e9MapR-DB\u7684\u6240\u6709\u7406\u7531\u3002<br \/>\n\u8bf7\u70b9\u51fb\u4ee5\u4e0b\u94fe\u63a5\u67e5\u770b\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8fef913a08637a6da96b\/67-0.png\" alt=\"top-10-reasons-devs-choose-mapr-db (1).png\" \/><\/div>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MapR-DB 6.0 &#8211; The Modern Database for Global Data-Intensive Applications<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MapR-DB Product page<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Analyzing the Performance of MapR-DB, a NoSQL Database in the MapR Data Platform<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">MapR-DB documentation<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">An In-Depth Look at the HBase Architecture<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Architecture Matters for Production Success<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Free ODT: MapR Data Platform Essentials<\/ul>\n<p>\u6709\u5173Cassandra\u7684\u4fee\u590d\u548c\u7ef4\u62a4\u7684\u5176\u4ed6\u4fe1\u606f\uff0c\u8bf7\u70b9\u51fb\u4ee5\u4e0b\u94fe\u63a5\uff1a<br \/>\n* Cassandra\u4fee\u590d\u7684\u771f\u5b9e\u4e16\u754c\u6545\u4e8b<br \/>\n* PagerDuty\uff1a\u4e00\u5e74\u7684Cassandra\u6545\u969c<br \/>\n* \u4e0d\u8981\u6ee1\u8db3\u4e8e\u6700\u7ec8\u4e00\u81f4\u6027<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6b64\u6587\u7ae0\u4e3aCarol McDonald\u57282017\u5e749\u6708\u6240\u5199\u7684\u6587\u7ae0\u7684\u65e5\u6587\u7ffb\u8bd1\u3002\u4e3b\u9898\u662f\u5bf9\u6bd4MapR-DB\u4e0eCassa [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50180","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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