\u4ee5\u4e0b\u7b80\u8981\u603b\u7ed3\u4e00\u4e0b\u6587\u6770\u5148\u751f\u535a\u6587\u4e2d\u63d0\u5230\u5173\u4e8eExadata\u7684\u89c2\u70b9\uff1a<\/p>\n

1. \u6570\u636e\u4ed3\u5e93(Data Warehouse)\u7c7b\u578b\u7684\u5e94\u7528\u65e0\u6cd5\u5145\u5206\u5229\u7528smart scan\u7684\u7279\u6027\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u6570\u636e\u4ed3\u5e93\u4e2d\u5e38\u89c1\u7684\u661f\u578b\u8f6c\u6362(star transformation)\uff0c Exadata\u65e0\u6cd5\u4f18\u5316;<\/p>\n

2. Exadata Bug\u4f17\u591a\uff0c\u67d0\u4e9b\u65b0\u7279\u6027\u540d\u5b58\u5b9e\u4ea1\uff0c\u5e76\u4e3e\u4f8b\u8bf4\u660e\u5176\u5728\u5e03\u9686\u8fc7\u6ee4\u5668\u7684\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u906d\u9047\u5230\u7684bug\u3002<\/p>\n

3. Oracle\u6570\u636e\u5e93Bug\u4f17\u591a\uff0c\u4f7f\u7528Exadata\u5bf9\u4e8e\u4e1a\u52a1\u903b\u8f91\u590d\u6742\uff0c\u6570\u636e\u6b63\u786e\u6027\u975e\u5e38\u654f\u611f\u7684\u91d1\u878d\u884c\u4e1a\u5b58\u5728\u5f88\u5927\u7684\u98ce\u9669;<\/p>\n

4. \u7ef4\u62a4\u6210\u672c\u9ad8\uff0c\u8981\u4f7f\u7528Exadata\uff0cDBA\u9700\u8981\u91cd\u65b0\u5b66\u4e60\u5927\u91cf\u7684\u4e3b\u673a\uff0c\u5b58\u50a8\uff0c\u7f51\u7edc\u65b9\u9762\u7684\u77e5\u8bc6\uff0c\u5426\u5219\u65e0\u6cd5\u80dc\u4efb\u4e00\u4f53\u673a\u7ba1\u7406\u5458\u7684\u5de5\u4f5c;<\/p>\n

5. \u5bf9\u4e8e\u52a8\u8f84\u5355\u8868\u4e0a\u767e\u4e2a\u5b57\u6bb5\u7684\u6570\u636e\u4ed3\u5e93\u800c\u8a00\uff0cExadata \u7684Storage Index\u5f62\u540c\u9e21\u808b\uff0c\u56e0\u4e3a\u5bf9\u4e8e\u6bcf\u4e2a\u8868\u53ea\u80fd\u81ea\u52a8\u7ef4\u62a48\u4e2a\u5217\uff0c\u4e0e\u676f\u6c34\u8f66\u85aa\u65e0\u5f02;<\/p>\n

6. Exadata\u8fd8\u662fRAC\uff0c RAC\u7684share everything\u67b6\u6784\u5bfc\u81f4\u5b58\u5728\u5927\u91cf\u7684cache fusion\u4e89\u7528\uff0c\u4e0eOLTP\u5e94\u7528\u683c\u683c\u4e0d\u5165\u3002<\/p>\n

7. RAC\u5bf9ERP\u652f\u6301\u4e0d\u597d\uff0c\u5bfc\u81f4\u5f88\u591aERP\u7528\u6237\u4e0d\u4f7f\u7528RAC\uff0cExadata\u53ea\u63d0\u4f9bRAC\u7684\u6a21\u5f0f\u3002<\/p>\n

8. Exadata\u78c1\u76d8\u5bb9\u91cf\u592a\u5927\uff0c\u5bf9\u4e8eOLTP\u800c\u8a00\u8fd9\u7b80\u76f4\u5c31\u662f\u6d6a\u8d39;<\/p>\n

9. Exadata\u4e0d\u63d0\u4f9b\u4efb\u4f55\u865a\u62df\u5316\u6280\u672f\uff0c\u4e0d\u80fd\u5145\u5206\u5229\u7528\u5176\u786c\u4ef6\u8d44\u6e90\uff0c\u800c\u5b83\u7684\u7ade\u4e89\u5bf9\u624b\u786e\u63d0\u4f9b\u975e\u5e38\u6210\u719f\u7684\u865a\u62df\u5316\u89e3\u51b3\u65b9\u6848;<\/p>\n

10. (\u8fd9\u5e74\u5934\uff0c\u8981\u51d1\u4e0d\u9f50\u5341\u6761\u51fa\u95e8\u90fd\u4e0d\u597d\u610f\u601d\u8ddf\u4eba\u6253\u62db\u547c)Exadata\u7684\u4ef7\u683c\u5341\u5206\u6602\u8d35\uff0c\u666e\u901a\u7684\u7528\u6237\u6839\u672c\u65e0\u6cd5\u627f\u53d7\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u6211\u4e2a\u4eba\u7684\u56de\u5e94\uff0c\u4e0d\u4ee3\u8868Oracle\u516c\u53f8\u7684\u5b98\u65b9\u7acb\u573a\u3002Oracle\u7684salary\u8fd8\u6ca1\u5230\u6211\u60f3\u505aOracle\u516c\u53f85\u6bdb\u7684\u51b2\u52a8\u3002 \u5982\u679c\u60a8\u7231\u770b\u8f6f\u6587\uff0c\u90a3\u4e48\u60a8\u53ef\u4ee5\u8bf7\u79fb\u6b65Loveunix\u548cAIXchina\uff0c\u56e0\u4e3a\u90a3\u91cc\u6bd4\u8f83\u591a\u3002\u5f88\u591a\u6280\u672f\u7ec6\u8282\u4e09\u8a00\u4e24\u8bed\u5f88\u96be\u89e3\u91ca\u6e05\u695a\u7684\uff0c\u9650\u4e8e\u7bc7\u5e45\uff0c\u8fd9\u91cc\u529b\u6c42\u7b80\u4ecb\u6216\u8005\u4e00\u7b14\u5e26\u8fc7\u3002<\/p>\n

1. \u5b9e\u9645\u4e0asmart scan\u53ef\u8c13\u662fExadata\u6240\u6709\u6280\u672f\u7684\u6838\u5fc3\uff0c\u79bb\u5f00\u4e86smart scan\uff0cExadata\u5c31\u6ca1\u6709\u4e86\u7075\u9b42\u3002\u800cExadata\u7684smart scan\u7684\u6761\u4ef6\u8fc7\u4e8e\u82db\u523b\uff0c\u4e00\u76f4\u4ee5\u6765\u5907\u53d7\u7ade\u4e89\u5bf9\u624b\u7684\u8bdf\u75c5\uff0c\u8fd9\u4e2a\u4e5f\u662f\u4e8b\u5b9e\u3002 \u4f46\u662f\u6587\u4e2d\u63d0\u5230\u7684 “\u5982\u679c\u6211\u4eec\u7684\u62a5\u8868\u5982\u679c\u4e0d\u662f\u8d70FULL TABLE SCAN\uff0c\u5219\u65e0\u6cd5\u5229\u7528\u5230\u8fd9\u4e00\u7279\u6027\u3002\u590d\u6742\u7684\u67e5\u8be2\uff0c\u8bf8\u5982Joins, sorts, group-bys, aggregation\u90fd\u5f88\u53ef\u80fd\u65e0\u6cd5\u5229\u7528\u5230\u667a\u80fd\u626b\u63cf\u3002” \u8fd9\u4e00\u8bf4\u6cd5\u662f\u4e0d\u51c6\u786e\u7684\u3002\u6211\u8fd9\u91cc\u4e0d\u538c\u5176\u70e6\u7684\u5217\u4e3e\u4e00\u4e0b\u76ee\u524dsmart scan\u7684\u6761\u4ef6\uff1a(\u867d\u7136\u8fd9\u662f\u4e00\u4e2a\u9519\u8bef\u7684“\u771f\u7406”)<\/p>\n

· Full scans——Table, Partition, Materialized View, Index (FAST FULL SCAN Only)<\/p>\n

\u5bf9\u4e8e\u8f83\u590d\u6742\u7684\u6392\u5e8f\uff0c\u805a\u5408\u7c7b\u7684\u64cd\u4f5c\uff0cstorage index\u5c31\u6709\u5b83\u7684\u7528\u6b66\u4e4b\u5730\u4e86\u3002\u81f3\u4e8e\u661f\u5f62\u8f6c\u6362\uff0c\u4f5c\u8005\u8bf4\u7684\u6050\u6015\u4e5f\u4e0d\u662f\u4e8b\u5b9e\uff0c \u8fd9\u7bc7\u6587\u7ae0\u548c\u8fd9\u7bc7\u6587\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5728data warehouse\u4e2d, Oracle\u5185\u90e8\u662f\u5982\u4f55\u5bf9\u661f\u578b\u8f6c\u6362\u8fdb\u884c\u4f18\u5316\u7684\u4e00\u4e9b\u7ec6\u8282\u3002<\/p>\n

2. \u5e03\u9686\u8fc7\u6ee4\u5668\u662f\u4e00\u79cd\u5904\u7406\u5927\u91cf\u6570\u636e\u7684\u54c8\u5e0c\u7b97\u6cd5\uff0c \u5177\u4f53\u7b97\u6cd5\u53ef\u4ee5\u53c2\u8003wikipedia\u6761\u76ee Bloom Filter\uff0c \u6216\u8005\u53c2\u8003google\u7684\u5434\u519b\u5148\u751f\u7684\u300a\u6570\u5b66\u4e4b\u7f8e\u300b\u4e00\u4e66\u3002\u5f53\u7136\u8fd9\u91cc\u63d0\u5230\u7684bug\u4e5f\u662f\u4e0d\u51c6\u786e\u7684\uff0c \u8fd9\u91cc\u63d0\u5230\u7684\u4e24\u4e2abug\uff1a9124206\u548cbug: 8361126\uff0c \u5b9e\u9645\u4e0a\u662f\u540c\u4e00\u4e2abug\u5373base bug\u4e3a8361126\u3002<\/p>\n<\/p>\n

<\/div>\n<\/p>\n

\u6587\u7ae0\u4e2d\u53e6\u5916\u63d0\u5230\u7684bloom filter\u7684bug\u5e94\u8be5\u662fBug:12637294\u4e86\uff0c\u4f46\u662f\u8fd9\u4e2abug\u572811.2.0.3 BP11\u5df2\u7ecf\u4fee\u590d\u3002<\/p>\n

\u53e6\u5916\u5f88\u6709\u610f\u601d\u7684\u662fsmart scan\u5185\u90e8\u4e5f\u662f\u4f7f\u7528Bloom Filter\u7684\u7b97\u6cd5\u8fdb\u884c\u6570\u636e\u8fc7\u6ee4\u7684\u3002<\/p>\n

3. Oracle Bug\u591a\u662f\u4f17\u6240\u5468\u77e5\u7684\u4e8b\u5b9e\uff0c \u4ece\u6bcf\u6b21\u7684Patchset Release\/PSU\u7684bug list\u53ef\u4ee5\u770b\u51fa\uff0c\u5f88\u591abug\u7684\u5371\u5bb3\u4e5f\u975e\u5e38\u5927\u3002 \u751a\u81f3\u4f5c\u8005\u8bf4\u7684wrong result\u4e5f\u5b8c\u5168\u662f\u4e8b\u5b9e\uff0c\u4f46\u662f\u8fd9\u5e76\u975e\u662f\u65e0\u7f18\u65e0\u6545\u4f1a\u51fa\u73b0\u7684\uff0c\u8fd9\u4e9bbug\u5927\u90fd\u662f\u5728\u4e00\u4e9b\u6781\u7aef\u7684\u60c5\u51b5\u4e0b\u89e6\u53d1\u3002\u5982\u679c\u5e94\u7528\u7ecf\u8fc7\u4e86\u5145\u5206\u7684\u6d4b\u8bd5\uff0c\u90a3\u4e48\u5219\u5f88\u5c11\u4f1a\u9047\u5230 wrong results\u3002 \u89e6\u53d1wrong results bug\u6bd4\u8f83\u5e38\u89c1\u7684\u4e00\u4e9b\u60c5\u51b5\u662f\u5e76\u884c\uff0c \u590d\u6742\u7684\u8868\u8fde\u63a5\u7b49\u64cd\u4f5c\u3002MOS\u6709\u4e00\u7bc7\u6587\u6863\u8be6\u7ec6\u7684\u4ecb\u7ecd\u4e86\u5982\u4f55\u8bca\u65ad\u548c\u5206\u6790\u6b64\u7c7b\u95ee\u9898\uff1a Wrong Results Issues – Recommended Actions [ID 150895.1]\u3002\u987a\u4fbf\u8bf4\u4e00\u53e5\uff1a \u8d8a\u6765\u8d8a\u591a\u91d1\u878d\u884c\u4e1a\u5ba2\u6237\u628aOracle\u6570\u636e\u5e93\u5f53\u4f5c\u6838\u5fc3\u4e86\u3002<\/p>\n

4. \u7ef4\u62a4\u6210\u672c\u7684\u95ee\u9898\u3002\u7ef4\u62a4\u6ca1\u6709\u4f5c\u8005\u8bf4\u7684\u90a3\u4e48\u4e25\u91cd\u3002\u4e3b\u673a\u662fPC server\uff0c\u786c\u4ef6\u6ca1\u6709\u4ec0\u4e48\u7279\u6b8a\u4e4b\u5904\u3002\u64cd\u4f5c\u7cfb\u7edf\u662fLinux X86_64\uff0c\u5f88\u591aSA\/DBA\u90fd\u5df2\u7ecf\u975e\u5e38\u719f\u6089\u4e86\u3002 \u7f51\u7edc\u7ef4\u62a4\u4e5f\u5e76\u4e0d\u9700\u8981\u989d\u5916\u7684\u77e5\u8bc6\uff0c\u53ea\u9700\u8981\u4e86\u89e3\u4e00\u4e9b\u5e38\u7528\u7684infiniband\/cisco\u4ea4\u6362\u673a\u7684\u64cd\u4f5c\u3002 Exadata\u4e0a\u7684\u6570\u636e\u5e93\u7ef4\u62a4\u4e0e\u666e\u901a\u7684RAC\u6570\u636e\u5e93\u5e76\u6ca1\u6709\u4e24\u6837\u3002\u552f\u4e00\u9700\u8981\u91cd\u65b0\u5b66\u4e60\u7684\u662f\u5b58\u50a8\u7aef\u7684\u77e5\u8bc6\uff0c \u800c\u8fd9\u4e00\u90e8\u5206\u5185\u5bb9\u5f88\u591a\u90fd\u80fd\u4ece\u4e92\u8054\u7f51\u4e0a\u83b7\u53d6\u5230\u3002(\u4e07\u4e00\u5b9e\u5728\u65e0\u6cd5\u80dc\u4efb\uff0cOracle\u516c\u53f8\u63a8\u51fa\u4e86\u4e00\u7ad9\u5f0f\u767d\u91d1\u670d\u52a1\uff0c\u7528\u6237\u53ef\u4ee5\u5c06\u7ba1\u7406“\u5916\u5305”\u7ed9Oracle\u516c\u53f8\uff0c\u7b11\uff0c\u8bf7\u8fdb\u5165\u81ea\u52a8\u5ffd\u7565\u5e7f\u544a\u6a21\u5f0f)<\/p>\n

5. Storage Index\u6bcf\u4e2a\u8868\u53ea\u80fd\u81ea\u52a8\u7ef4\u62a48\u4e2a\u5217\u8fd9\u662f\u4e8b\u5b9e\uff0c\u4f46\u662f\u8fd9\u5e76\u975e\u662f\u4ec0\u4e48\u6280\u672f\u4e0a\u7684\u9650\u5236\uff0c Storage Index\u548cNetezza\u7684Zone Maps\u6280\u672f\u539f\u7406\u4e0a\u662f\u4e0d\u4e00\u6837\u7684\u3002Storage Index\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u5c31\u662f\u53ea\u5bf9\u6392\u5e8f\u5b57\u6bb5\u8d77\u4f5c\u7528\uff0c\u5bf9\u4e8e\u65e0\u5e8f\u7684\u5b57\u6bb5\u662f\u65e0\u6cd5\u7528\u5230\u5b83\u7684\uff0c \u6240\u4ee5Storage Index\u6bcf\u4e2a\u8868\u8d85\u8fc78\u5217\u5bf9\u6027\u80fd\u4e0a\u6ca1\u6709\u591a\u5c11\u5e2e\u52a9\uff0c\u56e0\u4e3a\u4e00\u4e2a\u8868\u6838\u5fc3\u5e76\u4e14\u9700\u8981\u7528\u4e8e\u6392\u5e8f\u7684\u5b57\u6bb5\u5e76\u4e0d\u591a\u3002<\/p>\n

6. \u8fd9\u4e2a\u95ee\u9898\u5b9e\u9645\u4e0a\u8fd8\u662fshare disk\u548cshare nothing\u7684\u67b6\u6784\u4e4b\u4e89\uff0c\u8001\u6389\u7259\u7684\u8bdd\u9898\u4e86\uff0c\u6ca1\u6709\u592a\u591a\u5b9e\u9645\u610f\u4e49\u3002<\/p>\n

7. \u76ee\u524d\u884c\u5728Oracle DB\u4e0a\u7684SAP ERP\u8fdc\u6bd4\u8fd0\u884c\u5728DB2\u4e0a\u7684ERP\u8981\u591a\uff0c\u6709\u5174\u8da3\u53ef\u4ee5\u67e5\u770bgartner\u7684\u7edf\u8ba1\u6570\u636e\u3002<\/p>\n

8. \u73b0\u5728\u786c\u76d8\u767d\u83dc\u4ef7\u4e86\uff0c\u5355\u5757\u76d8\u5c312-3T\u4e86\uff0c\u8c01\u8fd8\u5728\u610f\u8fd9\u4e48\u4e00\u70b9\u7a7a\u95f4? \u51b5\u4e14OLTP\u5e94\u7528\u6570\u636e\u91cf\u57281T\u4ee5\u4e0a\u7684\u4e5f\u4e0d\u5728\u5c11\u6570\u3002<\/p>\n

9. \u8fd9\u4e00\u6761\u8bf4\u7684\u662f\u4e8b\u5b9e\uff0c\u4f46\u662f<\/p>\n

· vmware\u8fd9\u6837\u7684\u865a\u62df\u5316\u5e73\u53f0\u76ee\u524d\u6ca1\u6709\u901a\u8fc7Oracle\u8ba4\u8bc1;<\/p>\n

· IBM LPAR\u4e0d\u5c5e\u4e8e\u4e25\u683c\u610f\u4e49\u4e0a\u7684\u865a\u62df\u5316\u6280\u672f;<\/p>\n

· Exadata\u4e0a\u53ef\u4ee5\u901a\u8fc7\u50cfIORM\/instance cage\/cgroups\u8fd9\u6837\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u8d44\u6e90\u9694\u79bb;<\/p>\n

· \u672a\u6765\u5e94\u8be5\u4f1a\u8003\u8651\u4f7f\u7528Oracle\u81ea\u5df1\u7684OVM\u3002<\/p>\n

10. \u76f8\u6bd4\u9ad8\u7aef\u4e3b\u673a+\u9ad8\u7aef\u5b58\u50a8\u52a8\u8f84\u51e0\u767e\u4e0a\u5343\u4e07\uff0c Exadata\u6027\u4ef7\u6bd4\u4e0d\u7b97\u5dee\u5427?\u73b0\u5728Exadata X3\u63a8\u51fa\u4e861\/8\u914d\uff0c\u5f00\u59cb\u62a2\u81ea\u5bb6\u5c0f\u5144\u5f1fODA\u7684\u996d\u7897\u4e86\u3002\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u662f\u9488\u5bf9IBM\u7cfb\u7edf\u67b6\u6784\u5e08\u738b\u6587\u6770\u5148\u751f(valen_won@hotmail.com)\u5728\u5176\u535a\u5ba2\u56ed\u7684\u7f6e\u9876\u535a\u6587\u601d\u8003EXADATA(\u94fe\u63a5\u539f\u6587\u5730\u5740\uff1a http:\/\/www.cnblogs.com\/wenjiewang\/archive\/2012\/10\/0…<\/p>\n","protected":false},"author":131,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4393,3538,3606,4439],"topic":[],"class_list":["post-31790","post","type-post","status-publish","format-standard","hentry","category-news","tag-Exadata","tag-cunchuguanli","tag-cunchuziyuanguanli","tag-jichengxitong"],"_links":{"self":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/31790"}],"collection":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/users\/131"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/comments?post=31790"}],"version-history":[{"count":0,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/31790\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/media?parent=31790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/categories?post=31790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/tags?post=31790"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/topic?post=31790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}精品国产午夜肉伦伦影院,双性老师灌满浓jing上课h,天天做天天爱夜夜爽,攵女乱h边做边走