Understanding System and Architecture for Big Data

简介:IBM Research最近在Big Data领域有很多工作,例如我们组在4月份在10台采用POWER7处理器的P730服务器上成功地用14分钟跑完了1TB数据的排序(7月份又在10台Power7R2上用8分44秒跑完了1TB排序),这项工作已经发表为一篇IBM Research Report,欢迎大家围观,并提出宝贵意见,谢谢。

The use of Big Data underpins critical activities in all sectors of our society. Achieving the full transformative potential of Big Data in this increasingly digital world requires both new data analysis algorithms and a new class of systems to handle the dramatic data growth, the demand to integrate structured and unstructured data analytics, and the increasing computing needs of massive-scale analytics. In this paper, we discuss several Big Data research activities at IBM Research: (1) Big Data benchmarking and methodology; (2) workload optimized systems for Big Data; (3) case study of Big Data workloads on IBM Power systems. In (3), we show that preliminary infrastructure tuning results in sorting 1TB data in 14 minutes on 10 Power 730 machines running IBM InfoSphere BigInsights. Further improvement is expected, among other factors, on the new IBM PowerLinuxTM 7R2 systems.

By: Anne E. Gattiker, Fadi H. Gebara, Ahmed Gheith, H. Peter Hofstee, Damir A. Jamsek, Jian Li, Evan Speight, Ju Wei Shi, Guan Cheng Chen, Peter W. Wong

Published in: RC25281 in 2012

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X-RIME: 基于Hadoop的开源大规模社交网络分析工具

随着互联网的快速发展,涌现出了一大批以Facebook,Twitter,人人,微博等为代表的新型社交网站。这些网站用户数量的迅速增长使得海量的用户数据不断被产生出来,而如何有效地对这些海量的用户数据进行社交网络分析(Social Network Analysis)正成为一个越来越热门的问题。本文向大家介绍由IBM中国研究院和北京邮电大学合作开发的X-RIME开源库(http://xrime.sourceforge.net/),一个基于Hadoop的开源社交网络分析工具。

其实早在90年代初就已经有许多企业和研究机构对社交网络进行过相关研究。然而随着互联网用户的急速的增长,今日的社交网站所需处理的数据已经不是传统的解决方案所能够应对的了。例如,传统的社会网络分析算法和工具往往都是单机形式的,在面对大规模数据集的时候往往会出现存储和处理能力不足等方面问题,再加上原始输入数据和社会网络的内部表示大都属于无结构或者半结构化数据,传统关系数据库并不擅长处理此类数据,使得利用传统的社会网络分析算法和工具对大规模数据集进行处理变得更加困难。另一方面,随着Hadoop的日益流行,许多中小互联网企业可以通过搭建Hadoop集群来方便地进行大规模数据处理。然而,Hadoop并不直接提供社交网络分析的算法库,因此实施海量社交网络分析仍存在较高门槛。基于这些需求,我们设计并实现了X-RIME。

X-RIME是一个基于Hadoop的开源社会网络分析工具。依赖于Hadoop提供的大规模数据并行处理能力,X-RIME实现了对十几中网络分析算法的并行化,提供了一整套用于对大规模社会网络进行分析处理的解决方案。通过使用X-RIME,用户可以方便快捷地对海量社会网络数据进行分析,从这些海量社会网络数据中获取更深层次的有用信息,从而进一步挖掘商业价值,支持商业决策以及发现新的业务增长点。

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[已经招到了,谢谢大家!]IBM中国研究院招聘Hadoop实习生

我们组最近有一个实习生的名额,做Hadoop性能优化相关的研究工作,如果大家感兴趣的话请给我发邮件:)

IBM Research China is looking for graduate computer science/engineering students who are interested in Hadoop performance optimizations works.

Location: Beijing
Job Tile: Research Intern
Job Openings: 1
Expected Duration: at least 3 months (full-time preferred)

Job responsibilities:
– Write MapReduce program and analyze Hadoop performance model.
– Tune and optimize the performance of Hadoop workloads.
– Publish high quality research papers to report your work.

Requirements:
– Creative and Self-motivated
– Knowledge of Parallel Computing and Distributed Systems.
– Knowledge of Java.
– Familiarity with Linux as development and testing environments.
– Knowledge of Apache Hadoop is a plus.
– Past research experience is a plus.

If you’re interested, please feel free to send your Chinese or English resume with the mail title of “Intern_Your Name_University_Major_Grade” (e.g. Intern_Zhang San_XXU_CS_Master) to chengc_at_cn.ibm.com.