大数据技术综述

迎新

abstract:weareenteringintoa“big data”era.duetothebottlenecks，such as poor scalability， installationandmaintenancedifficicaty faulttoleranceandlowperformance，intraditionalinformationtechniqueframework， weneedtoleveragethecloudcomputingtechniquesandsolutionstodealwithbigdataproblems.cloudcomputingandbigdataarecomplementarytoem taarecomplementaryto otherandhaveinherentconnectionofdialecticalunity.thebreakthroughofbigdatatechniqueswillnotonlyresolresolvethet

职教在线

教学质量分析

为了实现行业间跨部门的数据集成，特别是在智慧城市的建设中，需要制定统一的数据标准、交换接口、共享协议，这样每个行业、部门、格式都需要不同的数据%E5%9F%BA%E4%BA%8E%E4%B8%80%E4%B8%AA%E7%BB%9F%E4%B8%80%E7%9A%84%E5%9F%BA%E7%A1%80%E8%BF%9B%E8%A1%8C%E8%AE%BF%E9%97%AE%E3%80%81%E4%BA%A4%E6%8D%A2%E5%92%8C%E5%85%B1%E4%BA%AB.%E9%80%9A%E8%BF%87%E5%AE%9E%E7%8E%B0%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E6%80%BB%E7%BA%BF%28EDS%29%2C%E5%8F%AF%E4%BB%A5%E6%8F%90%E4%BE%9B%E5%AF%B9%E4%BC%81%E4%B8%9A%E5%BA%94%E7%94%A8%E4%B8%AD%E5%90%84%E7%B1%BB%E6%95%B0%E6%8D%AE%E7%9A%84%E5%AD%98%E5%8F%96%E5%8A%9F%E8%83%BD%2C%E6%8A%8A%E4%BC%81%0A%E4%B8%9A%E6%95%B0%E6%8D%AE%E7%9A%84%E5%AD%98%E5%8F%96%E9%9B%86%E6%88%90%E4%B8%8E%E4%BC%81%E4%B8%9A%E7%9A%84%E5%8A%9F%E8%83%BD%E9%9B%86%E6%88%90%E5%88%86%E7%A6%BB%E5%BC%80%E6%9D%A5.%20%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E6%80%BB%E7%BA%BF%E6%9C%89%E6%95%88%E5%9C%B0%E5%88%9B%E5%BB%BA%E4%BA%86%E4%B8%80%E5%B1%82%E6%95%B0%E6%8D%AE%E8%AE%BF%E9%97%AE%E6%8A%BD%E8%B1%A1%E5%B1%82%2C%E4%BD%BF%E4%B8%9A%E5%8A%A1%E5%8A%9F%E8%83%BD%E9%81%BF%E5%BC%80%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E8%AE%BF%E9%97%AE%E7%9A%84%E7%BB%86%E8%8A%82.%E4%B8%9A%E5%8A%A1%E7%BB%84%E4%BB%B6%E5%8F%AA%E9%9C%80%E5%8C%85%E5%90%AB%E6%9C%8D%E5%8A%A1%E5%8A%9F%E8%83%BD%E7%BB%84%E4%BB%B6%28%E7%94%A8%E4%BB%A5%E5%AE%9E%E7%8E%B0%E7%8E%B0%E6%9C%89%E6%9C%8D%E5%8A%A1%E5%8A%9F%E8%83%BD%29%E5%92%8C%E6%95%B0%E6%8D%AE%E8%AE%BF%E9%97%AE%E7%BB%84%E4%BB%B6%28%E9%80%9A%E8%BF%87%E4%BD%BF%E7%94%A8%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E6%80%BB%E7%BA%BF%E7%9A%84%E6%96%B9%E5%BC%8F%29.%E9%80%9A%E8%BF%87%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E6%80%BB%E7%BA%BF%E8%BF%99%E7%A7%8D%E6%96%B9%E5%BC%8F%2C%E4%B8%BA%E4%BC%81%E4%B8%9A%E7%9A%84%E7%AE%A1%E7%90%86%E6%95%B0%E6%8D%AE%E6%A8%A1%E5%9E%8B%E5%92%8C%E5%BA%94%E7%94%A8%E7%B3%BB%E7%BB%9F%E6%95%B0%E6%8D%AE%E6%A8%A1%E5%9E%8B%E9%97%B4%E6%8F%90%E4%BE%9B%E4%BA%86%E4%B8%80%E4%B8%AA%E7%BB%9F%E4%B8%80%E7%9A%84%E8%BD%AC%E6%8D%A2%E6%8E%A5%E5%8F%A3%2C%E5%B9%B6%E6%9C%89%E6%95%88%E5%87%8F%E5%B0%91%E4%BA%86%E5%90%84%E5%BA%94%E7%94%A8%E6%9C%8D%E5%8A%A1%E4%B9%8B%E9%97%B4%E7%9A%84%E8%80%A6%E5%90%88%E5%BA%A6.%E5%9C%A8%E5%A4%A7%E6%95%B0%E6%8D%AE%E5%9C%BA%E6%99%AF%E4%B8%8B%2C%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E6%80%BB%E7%BA%BF%E4%B8%8A%E4%BC%9A%E5%AD%98%E5%9C%A8%E5%A4%A7%E9%87%8F%E7%9A%84%E5%90%8C%E6%AD%A5%E7%9A%84%E6%95%B0%E6%8D%AE%E8%AE%BF%E9%97%AE%E8%AF%B7%E6%B1%82%2C%E6%80%BB%E7%BA%BF%E4%B8%8A%E4%BB%BB%E4%BD%95%E4%B8%80%E4%B8%AA%E6%A8%A1%E5%9D%97%E6%80%A7%E8%83%BD%E4%B8%8B%E9%99%8D%2C%E9%83%BD%E4%BC%9A%E5%A4%A7%E5%A4%A7%E5%BD%B1%E5%93%8D%E6%80%BB%E7%BA%BF%E5%8A%9F%E8%83%BD%2C%E5%9B%A0%E6%AD%A4%E4%BC%81%E4%B8%9A%E6%95%B0%E6%8D%AE%E6%80%BB%E7%BA%BF%E4%B9%9F%E9%9C%80%E8%A6%81%E9%87%87%E7%94%A8%E5%A4%A7%E8%A7%84%E6%A8%A1%E5%B9%B6%E5%8F%91%E5%BC%8F%E3%80%81%E5%85%B7%E5%A4%87%E9%AB%98%E5%8F%AF%E6%89%A9%E5%B1%95%E6%80%A7%E7%9A%84%E5%AE%9E%E7%8E%B0%E6%96%B9%E5%BC%8F.%204.3%20%E6%95%B0%E6%8D%AE%E5%AD%98%E5%82%A8%E5%A4%A7%E6%95%B0%E6%8D%AE%E6%AF%8F%E5%B9%B4%E9%83%BD%E5%9C%A8%E6%BF%80%E5%A2%9E%E5%BA%9E%E5%A4%A7%E7%9A%84%E4%BF%A1%E6%81%AF%E9%87%8F%2C%E5%8A%A0%E4%B8%8A%E5%B7%B2%E6%9C%89%E7%9A%84%E5%8E%86%E5%8F%B2%E6%95%B0%E6%8D%AE%E4%BF%A1%E6%81%AF%2C%E5%AF%B9%E6%95%B4%E4%B8%AA%E4%B8%9A%E7%95%8C%E7%9A%84%E6%95%B0%E6%8D%AE%E5%AD%98%E5%82%A8%E3%80%81%E5%A4%84%E7%90%86%E5%B8%A6%E6%9D%A5%E4%BA%86%E5%BE%88%E5%A4%A7%E7%9A%84%E6%9C%BA%E9%81%87%E4%B8%8E%E6%8C%91%E6%88%98.%E4%B8%BA%E4%BA%86%E6%BB%A1%E8%B6%B3%E5%BF%AB%E9%80%9F%E5%A2%9E%E9%95%BF%E7%9A%84%E5%AD%98%E5%82%A8%E9%9C%80%E6%B1%82%2C%E4%BA%91%E5%AD%98%E5%82%A8%E9%9C%80%E8%A6%81%E5%85%B7%E5%A4%87%E9%AB%98%E6%89%A9%E5%B1%95%E6%80%A7%E3%80%81%E9%AB%98%E5%8F%AF%E9%9D%A0%E6%80%A7%E3%80%81%E9%AB%98%E5%8F%AF%E7%94%A8%E6%80%A7%E3%80%81%E4%BD%8E%E6%88%90%E6%9C%AC%E3%80%81%E8%87%AA%E5%8A%A8%E5%AE%B9%E9%94%99%E5%92%8C%E5%8E%BB%E4%B8%AD%E5%BF%83%E5%8C%96%E7%AD%89%E7%89%B9%E7%82%B9.%E5%B8%B8%E8%A7%81%E7%9A%84%E4%BA%91%E5%AD%98%E5%82%A8%E5%BD%A2%E5%BC%8F%E5%8F%AF%E4%BB%A5%E5%88%86%E4%B8%BA%E5%88%86%E5%B8%83%E5%BC%8F%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F%E5%92%8C%E5%88%86%E5%B8%83%E5%BC%8F%E6%95%B0%E6%8D%AE%E5%BA%93.%E5%85%B6%E4%B8%AD%2C%E5%88%86%E5%B8%83%E5%BC%8F%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F%E9%87%87%E7%94%A8%E5%A4%A7%E8%A7%84%E6%A8%A1%E7%9A%84%E5%88%86%E5%B8%83%E5%BC%8F%E5%AD%98%E5%82%A8%E8%8A%82%E7%82%B9%E6%9D%A5%E6%BB%A1%E8%B6%B3%E5%AD%98%E5%82%A8%E5%A4%A7%E9%87%8F%E6%96%87%E4%BB%B6%E7%9A%84%E9%9C%80%E6%B1%82%2C%E8%80%8C%E5%88%86%E5%B8%83%E5%BC%8F%E7%9A%84%20NoSQL%20%E6%95%B0%E6%8D%AE%E5%BA%93%E5%88%99%E4%B8%BA%E5%A4%A7%E8%A7%84%E6%A8%A1%E9%9D%9E%E7%BB%93%E6%9E%84%E5%8C%96%E6%95%B0%E6%8D%AE%E7%9A%84%E5%A4%84%E7%90%86%E5%92%8C%E5%88%86%E6%9E%90%E6%8F%90%E4%BE%9B%E6%94%AF%E6%8C%81.%20Google%20%E5%9C%A8%E6%97%A9%E6%9C%9F%E9%9D%A2%E5%AF%B9%E6%B5%B7%E9%87%8F%E4%BA%92%E8%81%94%E7%BD%91%E7%BD%91%E9%A1%B5%E7%9A%84%E5%AD%98%E5%82%A8%E5%8F%8A%E5%88%86%E6%9E%90%E9%9A%BE%E9%A2%98%E6%97%B6%2C%E7%8E%87%E5%85%88%E5%BC%80%E5%8F%91%E5%87%BA%E4%BA%86%20Google%20%E6%96%87%E4%BB%B6%E7%B3%BB%E7%BB%9F%20GFS%5B13%5D%E4%BB%A5%E5%8F%8A%E5%9F%BA%E4%BA%8EGFS%20%E7%9A%84%20MapReduce%20%E5%88%86%E5%B8%83%E5%BC%8F%E8%AE%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