\u4e0b\u9762\u5177\u4f53\u6765\u770b\u4e00\u4e0bF20\u5361\u7684\u90e8\u5206\u53c2\u6570\u6307\u6807\uff1a<\/p>\n

<\/div>\n

\u6ce8\u610f\u5230\u5176\u4e2d\u7684\u51e0\u4e2a\u5173\u952e\u7684\u6027\u80fd\u6307\u6807\uff1a\u968f\u673a\u8bfb101000 IOPS\uff0c\u968f\u673a\u519988000 IOPS\uff0c \u987a\u5e8f\u8bfb1.1GB\/s, \u987a\u5e8f\u5199567MB\/s\uff0c\u53e6\u5916\u5176\u8bbf\u95ee\u5ef6\u8fdf\u4e5f\u662f\u975e\u5e38\u5c0f\u3002\u4e0d\u8fc7\u8fd9\u53ea\u662fF20\u5361\u7684\u7eaf\u7cb9\u6280\u672f\u6307\u6807\uff0c\u800c\u6ca1\u6709\u8003\u8651DB\u548cExadata\u3002\u5728\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0a\u5c0f\u4e8e8k\u7684I\/O\u8bf7\u6c42\u90fd\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002\u6240\u4ee5\u5728Exadata\u4e0a\u8fd9\u4e2a\u6307\u6807\u9700\u8981\u91cd\u65b0\u8bc4\u4f30\uff0c\u6240\u4ee5\u5728Exadata\u7684datasheet\u4e2d\u63d0\u5230\u5355\u5757F20\u5361\u7684 Database IOP\u4e3a375000\/3\/4=31250, \u6bd44k\u7684I\/O\u8bf7\u6c42\u6d4b\u8bd5\u51fa\u6765\u7684IOPS\u6162\u4e863\u500d\u591a\u3002<\/p>\n

\u9664\u4e86\u6027\u80fd\u7684\u6307\u6807\u4ee5\u5916\u8fd8\u6709\u5bb9\u91cf\u6307\u6807\uff0c\u5355\u5757F20\u5361\u7684\u5b9e\u9645\u53ef\u7528\u7a7a\u95f4\u4e3a96GB, \u5b9e\u9645\u88f8\u5bb9\u91cf\u4e3a128G\u3002\u8fd9\u662f\u600e\u4e48\u56de\u4e8b\u5462? \u518d\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0bF20\u5361\u5185\u90e8\u7ed3\u6784\u7684\u5e03\u5c40\u3002<\/p>\n

<\/div>\n

\u4e00\u5757F20\u5361\u5b9e\u9645\u4e0a\u662f\u7531\u56db\u4e2a\u56fa\u6001\u95ea\u5b58\u6a21\u5757(FDOM)\u7ec4\u6210\u7684\uff0c \u4e5f\u5c31\u662f\u56fe\u4e2d\u6240\u8868\u793a\u7684DOM(Disk on module), \u8fd9\u4e2a\u8bcd\u6ca1\u6709\u5408\u9002\u7684\u4e2d\u6587\u7ffb\u8bd1\uff0c\u53ef\u4ee5\u7b80\u5355\u7684\u8ba4\u4e3a\u5b83\u662f\u4e00\u4e2assd\u8bbe\u5907\uff0c\u4f46\u662f\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u63a5\u53e3\u673a\u5236\u3002\u4f8b\u5982F20\u5361\u5c31\u662f\u4f7f\u7528PCIe\u7684\u63a5\u53e3\uff0c\u76f4\u63a5\u63d2\u5728\u4e3b\u677f\u4e0a\u7684\uff0c\u6240\u4ee5Oracle\u516c\u53f8\u4e00\u518d\u5f3a\u8c03not flash disks, \u5c31\u662f\u4e3a\u4e86\u8bf4\u660e\u8fd9\u4e2aPCIe\u7684\u63a5\u53e3\u80fd\u591f\u4e0d\u53d7\u5230\u78c1\u76d8\u63a7\u5236\u5668\u63a5\u53e3(\u4f8b\u5982SAS\u548cSATA)\u901f\u5ea6\u7684\u9650\u5236\uff0c\u5355\u5361\u80fd\u591f\u63d0\u4f9b1GB\/s\u7684\u5e26\u5bbd\uff0c\u800c4\u5757\u5361\u5176\u5e26\u5bbd\u51e0\u4e4e\u662f\u7ebf\u6027\u6269\u5c55\u3002<\/p>\n

<\/div>\n

\u6bcf\u4e2aDOM\u5305\u542b8\u4e2a(4\u4e2a\u5728\u524d\uff0c4\u4e2a\u5728\u540e)4GB\u7684SLC NAND \u7ec4\u4ef6\uff0c \u4e00\u5171\u4e3a32GB\uff0c\u4f46\u662f\u786e\u53ea\u670924GB\u7684\u7a7a\u95f4\u662f\u53ef\u5bfb\u5740\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ea\u670924GB\u662f\u7cfb\u7edf\u53ef\u8bc6\u522b\u7684\uff0c\u53e6\u5916\u76848GB\u4f5c\u4e3a\u5907\u7528\u7a7a\u95f4\u7528\u4f5c\u5730\u5740\u91cd\u5b9a\u5411\u4f7f\u7528\u3002\u8fd9\u79cd\u65b9\u6cd5\u662f\u56fa\u6001\u786c\u76d8\u8bbe\u5907\u4e3a\u4e86\u5ef6\u957f\u4f7f\u7528\u5bff\u547d\u6700\u5e38\u7528\u7684\u529e\u6cd5\u3002\u4e0d\u8fc7\u65e0\u987b\u62c5\u5fc3\uff0cNAND\u4e3a\u4f01\u4e1a\u7ea7\u7684\u95ea\u5b58\uff0c\u901a\u5e38\u6bd4\u6d88\u8d39\u7535\u5b50\u54c1\u6240\u7528\u7684\u95ea\u5b58\u5bff\u547d\u66f4\u957f\uff0c\u4f7f\u7528\u5bff\u547d\u4e00\u822c\u57285\u5e74\u4ee5\u4e0a\u3002<\/p>\n

F20\u5361\u8fd8\u5305\u542b\u6709\u7535\u6e90\u5b58\u50a8\u6a21\u5757ESM(Energy Storage Module ), \u4e5f\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u7535\u6c60\u3002\u5b9e\u9645\u4e0a\u5b83\u5e76\u4e0d\u662f\u5e38\u89c4\u610f\u4e49\u4e0a\u7684\u7535\u6c60\uff0c\u800c\u662f\u4e00\u4e2a\u53eb\u505a\u8d85\u7ea7\u7535\u5bb9(supercapacito)\u7684\u4e1c\u897f\u3002\u5b83\u548c\u666e\u901a\u7684\u7535\u6c60\u76f8\u6bd4\uff0c \u5177\u6709\u5bff\u547d\u66f4\u957f\uff0c\u5145\u653e\u7535\u7387\u9ad8\uff0c\u529f\u7387\u66f4\u9ad8\u7684\u4f18\u70b9\u3002\u4e0d\u8fc7\u8fd9\u79cdESM\u53ea\u67092-3\u5e74\u7684\u5bff\u547d(Oracle Exadata Owner‘ Guide\u4e0a\u8bf4\u7684\u662f3-4\u5e74\uff0c \u8fd9\u91cc\u4ee5 Sun Flash Accelerator F20 Energy Storage Module (ESM) Lifespan. [ID 1327000.1]\u6587\u6863\u4e3a\u51c6\uff0c\u65e9\u671f\u7684\u8ba1\u7b97ESM\u7684\u8017\u635f\u7387\u4ee5\u4e24\u5e74\u4e3a\u57fa\u51c6\uff0c\u73b0\u5728\u57fa\u672c\u90fd\u662f\u4ee5\u4e09\u5e74\u7684\u5bff\u547d\u6765\u8ba1\u7b97\u7684)\uff0c2-3\u5e74\u4ee5\u540e\u9700\u8981\u66f4\u6362\u8fd9\u4e2aESM\uff0c\u66f4\u6362 ESM\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u7528rolling\u7684\u65b9\u5f0f\u8fdb\u884c\uff0c\u53ea\u5728\u5b58\u50a8\u8282\u70b9\u6bb5\u9010\u4e00\u8fdb\u884c\uff0c\u800c\u4e0d\u9700\u8981\u505c\u6b62\u6570\u636e\u5e93\u3002<\/p>\n

\u5982\u679cESM\u7684\u7535\u91cf\u8017\u5c3d\uff0c\u5219\u95ea\u5b58\u7684\u5199\u6a21\u5f0f\u81ea\u52a8\u4ecewrite-back\u5207\u6362\u5230write-through\u6a21\u5f0f\uff0c\u9020\u6210\u6027\u80fd\u4e0b\u964d\u3002\u5f53\u7136Exadata Smart Flash Cache(ESFC)\u8fd9\u4e2a\u7279\u6027\u65e9\u671f\u53ea\u80fd\u4f7f\u7528write-through\u7684\u6a21\u5f0f\uff0c\u6240\u4ee5\u901a\u5e38\u4e0d\u662f\u4ec0\u4e48\u5927\u95ee\u9898\uff0c\u800c\u4f7f\u7528write-through\u6a21\u5f0f\u7684 FSFC\u6027\u80fd\u63d0\u5347\u6bd4\u8f83\u6709\u9650\u3002\u5728\u6700\u65b0\u7248\u7684Exadata 11.2.3.2\u8fd9\u4e2a\u7248\u672c(X3\u90fd\u662f\u5728\u8fd9\u4e2a\u7248\u672c\u4ee5\u4e0a)\u6b63\u5f0f\u5f15\u5165ESFC\u7684write-back\u7684\u5199\u6a21\u5f0f\uff0c\u8fd9\u4e2a\u7279\u6027\u624d\u771f\u6b63\u5f00\u59cb\u53d1\u6325ESFC\u7684\u5a01\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728Exadata\u4e00\u4f53\u673a\u4e2d\uff0c\u5927\u91cf\u7684\u4f7f\u7528\u4e86flash\u52a0\u901f\u6280\u672f\u4ee5\u63d0\u9ad8\u5176I\/O\u7684\u8bfb\u5199\u6027\u80fd\u3002\u5728\u4e4b\u524d\u7684\u6587\u7ae0\u4e2d\u6709\u63d0\u5230\u4e86\u78c1\u76d8\u7684\u6027\u80fd\u6307\u6807\uff0c\u76ee\u524d\u4ec5\u9650\u4e8e\u4f20\u7edf\u78c1\u76d8\u7684\u8bfb\u5199\u901f\u7387\uff0c\u8fd8\u65e0\u6cd5\u6ee1\u8db3I\/O\u5bc6\u96c6\u578b\u7684OLTP\u7cfb\u7edf\u7684\u8981\u6c42\uff0cExadata\u53ef\u80fd\u4f1a\u5728\u8fd9\u4e9b\u65b9\u9762\u51fa\u73b0I\/O\u6027\u80fd\u74f6…<\/p>\n","protected":false},"author":131,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[4393,3538,3606,4362,4439],"topic":[],"class_list":["post-9917","post","type-post","status-publish","format-standard","hentry","category-tips","tag-Exadata","tag-cunchuguanli","tag-cunchuziyuanguanli","tag-jiaguwen","tag-jichengxitong"],"_links":{"self":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/9917"}],"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=9917"}],"version-history":[{"count":0,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/posts\/9917\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/media?parent=9917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/categories?post=9917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/tags?post=9917"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.homejamesfinance.com\/wp-json\/wp\/v2\/topic?post=9917"}],"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