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IBM-Infoworld Big Data deep dive
 

IBM-Infoworld Big Data deep dive

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    IBM-Infoworld Big Data deep dive IBM-Infoworld Big Data deep dive Document Transcript

    • SPECIAL REPORTBig DataAnalyticsDeep DiveDeriving Meaning From the Data Explosion © Copyright InfoWorld Media Group. All rights reserved. Sponsored by
    • i Big Data AnalyticsDeep Dive 2 Making sense of big data New analysis tools and abundant processing power unlock critical insights from unfathomable volumes of corporate and external data i By David S. Linthicum analyzed over time, reduce the incidence of failure. Data on the vital signs of infants in hospital nurseries could be THE ABILITY TO DERIVE MEANING quickly from plumbed for patterns that reveal hazards or new oppor- huge quantities of structured and unstructured data has tunities for progress. The use cases are limited only by been an objective of enterprise IT since the inception of the imagination: databases. In the past, this has been a distant dream — or at least a cost-prohibitive one. • A bank visualizes patterns within data and docu- Today we have a growing number of technologies that ments that determine the likelihood of fraud and make that dream a reality. Cloud computing provides can take corrective action before the business is per-drink access to thousands of processor cores and impacted. massive amounts of on-demand data storage. Emerging • Doctors determine patterns of treatment of dis- technologies apply a divide-and-conquer approach to eases that provide the most desirable outcomes big data computing problems, using distributed process- using 20 years of historical data from more than ing to return results almost instantaneously from huge 30 different data sources. data sets. • Auto manufacturers see the core cause of New analytics tools take advantage of all this horse- production delays, and perhaps attach these power. Advanced data visualization technology makes analytics to business processes to automatically large and complex data sets understandable and enables take corrective action, such as leveraging different domain experts to spot underlying trends and patterns. logistical approaches. Some tools even recognize patterns and alert users about • The utility industry creates predictive models issues that need attention. of consumer markets by deploying technologies Big data is riding a sharp growth curve. IDC predicts such as a smart grid. big data technology and services will grow worldwide from $3.2 billion in 2010 to $16.9 billion in 2015. This With the proper data visualization on top, big data can represents a compound annual growth rate of 40 per- shortcut the usual process of business analytics, where cent — about seven times that of the overall information stakeholders pass requirements to analytics profession- and communications technology market. als who create static reports and hand them back over the transom. Big data visualization — even a simple tag cloud — enables those with domain expertise to develop MAKING THE BUSINESS CASE a more direct relationship with the data and spot pat- The business benefits are clear. On the one hand, we terns that an analytics professional might miss. can derive meaning from data that once merely took up Despite all the promise, big data technology and space — website clickstream data, system event logs, and applications are still very much at an early stage. Hadoop so on — and use that information to improve a broad has become the preferred platform for processing large range of systems. A whole new world of vertical appli- quantities of unstructured data, but it’s a distributed pro- cations opens up. cessing framework and development environment that What sort of applications? How about sensor data typically requires specialized application development collected on jet engine performance that could, when skills to use effectively. And that’s just for unstructured INFOWORLD.COM DEEP DIVE SERIES
    • i Big Data AnalyticsDeep Dive 3 or semi-structured data. Big data can also refer to quan- Big data analytics enables better analytical insights by tities of structured data so large they can’t be processed integrating massive amounts of data of varying complex- in a reasonable length of time. ity, formats, and timeliness into one structured output. The larger question is how big data analytics fit into Combining text, voice, streaming data, and unstructured companies that already have a business analytics infra- data analytics into one structure allows businesses to structure. In many cases, exploring large unstructured harness the different views of related information into data sets is a precursor to drilling deep with more con- dynamic analytical models. These models support mul- ventional tools. tidimensional metrics that can be leveraged with tradi- tional analytics. BULKING UP BUSINESS INTELLIGENCE BI tools are still evolving to support this approach to Gartner reports that 45 percent of sales management big data analytics. They provide better data visualization teams identify sales analytics as a priority to help them capabilities that take into account the use of near-real- understand sales performance, market conditions, and time information and the widening range of structured opportunities. In short, the better that information is — and unstructured data. To put it simply, if it exists in any and the more routinely it is put in the hands of those electronic format, chances are it can be analyzed. who need it — the greater likelihood productivity and revenue will increase. REACHING OUT TO THE CLOUD A few key trends within BI relate to the emerging use One of the more exciting areas of big data involves data of big data. They include: sources that are related to your business but were not collected or stored by the business itself. On a simple • The ability to leverage both structured and level, this might entail mashing up your existing sales unstructured data, and visualize that data together trends with key economic data — or, as is in vogue now, as a single, logical set of information. data about trending topics on social networking sites. • The ability to imply structure at the time of analy- Indeed, social content is the fastest-growing category of sis, and thus provide flexibility by decoupling the new content in the enterprise and will eventually attain 20 underlying structure from structured or unstruc- percent market penetration. Gartner defines social con- tured physical data. tent as unstructured data created, edited, and published • The ability to leverage current, or near-real-time on corporate blogs and communication and collaboration data, allowing critical applications, business pro- platforms, along with such commercial platforms as Face- cesses, and humans to view the up-to-the-minute book, LinkedIn, Twitter, YouTube, and more. state of the data. Companies now specialize in providing this data on • The ability to access outside data sources in the demand for use within enterprise BI, including the larger cloud, thus allowing BI analysts to mash up data IaaS and PaaS cloud computing providers such as Google from outside of the enterprise to enhance or and Amazon Web Services. Indeed, the growth of data refine the data analysis process. providers offering big data analytics services should only • The ability to bind data analytics to business pro- increase as BI professionals and their stakeholders under- cesses and applications, and thus allow them to stand the value it offers. automatically deal with issues and opportunities Finally, there’s the ability to close the loop. More without human intervention. and more automated systems will be able to bind big data analytics to business processes, allowing opera- Traditional BI is based on structured data, but these tional systems to react to various thresholds in near-real insights often fall short in predictive and indicative analyt- time. This is known as embedded analytics, and may be ics, due to data sets that are too old or limited in scope. created programmatically, or configured and exposed Structured data is only a small portion of stored business from within tools that support such services. Business data. Indeed, many analysts estimate that structured data examples include analyzing real-time delivery metrics accounts for only 5 percent of total enterprise data. and rerouting orders to suppliers that have better track INFOWORLD.COM DEEP DIVE SERIES
    • i Big Data AnalyticsDeep Dive 4 records, or automatically adjusting production schedules • Legacy unstructured data, such as older based upon predictive sales trends that leverage known text-based databases correlations with key predictive data. So how does this work? The unstructured and struc- tured data is gathered into a file system (e.g., Hadoop MORE DATA SOURCES, Distributed File System, or HDFS). The data is stored in MORE POSSIBILITIES blocks on the various nodes in the Hadoop cluster (see A key challenge for big data analytics is the sheer pro- Figure 1). The file system creates many replications of liferation of data sources that may or may not have the data blocks, distributing them in the cluster in reliable structure. We aggregate these data sources around an ways that can be retrieved faster. Block sizes may vary, implied structure created for the purpose of the data but a typical HDFS block size is 128MB, and is replicated query and then present this structure to either a data to multiple nodes across the cluster. analytics API or service, or to a BI tool for the purposes We deal only with files, which means the content of data visualization or other types of interactive analyt- does not adhere to a structure before it exists in the file ics (see Figure 1). system. Data maps are then applied over the unstruc- Remember that the prevailing trend is to study a mix tured content to define the core metadata for that con- of structured and unstructured data. The unstructured tent. They may be mapped and remapped any number data may come from a variety of sources, including: of times to support the changing metadata requirements of the analytical tools or others who leverage the data. • Web pages In some instances, Hadoop Hive is employed. Hive is • Video and sound files a data warehouse system that provides data summariza- • Documents tion, ad-hoc queries, and analysis of large datasets stored • Social media APIs or services that provide in the Hadoop cluster. Hive provides a mechanism to trending data project structure onto this data and to query the data • External data sources, such as data services pro- using a SQL-like language called HiveQL. The interface vided by IaaS and PaaS cloud computing players depends on your requirements and the data integration FIG. 1. MAKING SENSE OF DATA Big data analytics uses both structured and unstructured data and returns results to the BI tool in a matter of seconds. You can employ BI tools to analyze the data visually or as embedded analytics in an enterprise application or business process using a data analytics API or service. ENTERPRISE APPLICATIONS & HUMAN USER BUSINESS PROCESSES DATA SECURITY BI TOOLS DATA ANALYTICS API GOVERN- ANCE AGGREGATED DATA HADOOP CLUSTER OPERATIONAL LEGACY STRUCTURED DATA UNSTRUCTURED DATA INFOWORLD.COM DEEP DIVE SERIES
    • i Big Data AnalyticsDeep Dive 5 capabilities of your BI tool. details, managing the processing load across Another option is Apache Pig. Pig is a high-level available server resources. platform for creating MapReduce programs used with 4. The requested result set is returned to the BI Hadoop. It abstracts the programming from the MapRe- tool for visualization or other types of process- duce engine. Like Hive, Pig uses its own language to ing, typically bound to specific data structures. interact with the data. 5. The BI tool can layer this data into defined Generally speaking, when you execute a query from models, including loading the data from the a BI tool, the following occurs: result sets directly into a dimensional model for complex analytical processing or into 1. The BI tool will reach out to the cluster to get graphic representations of the data. the file metadata information. Typically, the 6. The data can be refreshed at any increment BI tool will deal directly with a data structure by repeating this process. that may exist specifically for the analytics use case or model (see Figure 2). You should This is a very general scenario, and the BI tools you consider this structure an abstract representa- select may have a different approach. Many BI tools use tion of the underlying structured or unstruc- mappers that make the data appear as if it were stored in tured physical data. a traditional relational database. Others take advantage 2. From there, the system will reach out to the of the native features of big data technology, including data nodes to get the real data blocks and the ability to treat structured and unstructured data dif- bring those back into the structure. There ferently within the analytical models. may be any number of physical and logical Some BI tools load the summarized or aggregated data nodes, depending upon the requirements of into a temporary, multidimensional “cube” structure (see the system and how it’s architected. Figure 3). This allows the analyst to visualize the data com- 3. The MapReduce parallel programming ing from the big data systems in ways that are most useful. model gathers the data from the Hadoop What’s different about this model is that both struc- cluster. This system deals with the operational tured and unstructured data can now be visualized. Also, FIG. 2. STRUCTURE ON-THE-FLY The BI tools use a structure that can be created just for the purpose of data analytics. The information exists in the file system cluster and meta- data is mapped onto the content as required to support the use case. This provides a more dynamic and flexible way to approach BI. BI TOOL TEMPORARY STRUCTURE AGGREGATED DATA WITH METADATA HADOOP CLUSTER OPERATIONAL LEGACY STRUCTURED DATA UNSTRUCTURED DATA INFOWORLD.COM DEEP DIVE SERIES
    • i Big Data AnalyticsDeep Dive 6 new and expanded analysis may be creatively derived of their business with greater detail and accuracy, includ- from the availability of this data, such as: ing the productivity of their business processes. Analytics coupled with data visualization shine a bright light on • Reporting or descriptive analytics areas where business processes fall short. • Modeling or predictive analytics For example, using data visualization, a business can • Clustering zoom in on the process of recording a sale and process- • Affinity grouping ing it for shipping and explore the relationship between that business process and customer satisfaction. Optimiz- What’s most important about big data analytics is the ing that process seldom fails to increase repeat business. new mindset that is emerging. We now consider most data as something to be explored by anyone who needs USE CASE: BUSINESS-CRITICAL to explore it. We’re moving away from a limited view of APPLICATION AUGMENTATION our own business data. Moreover, our analytical mod- Embedded big data analytics coupled with operational enter- els, such as predictive modeling, provide better results prise applications can deliver enormous business value. For because the data is more complete. example, a company could augment a shipping application with analytical information about on-time delivery records culled from perhaps terabytes of PDF shipping records gath- BIG DATA VISUALIZATION AND ered over the years. That data might also be mashed up ANALYSIS USE CASES with information from outside sources such as complaints Within vertical industries, interest in big data is high, but the recorded in social media or blogs. degree of knowledge and investment varies widely (see Figure 4). Health care, transportation, and education lead the pack. USE CASE: IMPROVING HEALTH CARE TREATMENT AND OUTCOMES USE CASE: BUSINESS PROCESS IMPROVEMENT There is much low-hanging fruit when it comes to Big data analytics enable companies to examine the state the business value of big data analytics in health care; FIG. 3. DIMENSIONS BI TOOL OF DATA MULTI- DATA VISUALIZATION BI tools employ a range of analytical DIMENSIONAL 20s DATA models and structures to analyze 30s big data. In this case the data is 40s loaded into a multidimensional MINIVAN TWITTER temporary model where it may be COUPE FACEBOOK visualized in any number of ways. SEDAN YOUTUBE PRODUCTS SOCIAL DATA CUSTOMER AGES AGGREGATED DATA HADOOP CLUSTER OPERATIONAL LEGACY STRUCTURED DATA UNSTRUCTURED DATA INFOWORLD.COM DEEP DIVE SERIES
    • i Big Data AnalyticsDeep Dive 7 however, the best use case is in patient diagnosis and media systems, as compared to patterns around the treatment. The health care system stores our informa- success of products sold in the past, as compared to tion in different places using different formats, which has weather patterns that may affect the use of the product made it difficult or impossible to analyze this data as a (say, a down coat in a very cold winter). The idea is to single cluster of information. provide those who make critical decisions in the retail With big data analytics, we now can gather all struc- space with the means to slice and dice all the relevant tured and unstructured health care data and place this data to determine which products to advertise, discount, content in a single cluster for analysis by a BI tool. This or display adjacent to other products. improves health care professionals’ ability to determine patterns of treatment success by analyzing holistic patient USE CASE: IMPROVING data and treatments that lead to the desired outcome. TRANSPORTATION SYSTEMS Transportation systems depend on efficiencies. For USE CASE: IMPROVING example, airlines need to select the best and most prof- RETAIL BUSINESS PERFORMANCE itable routes. Using big data analytics, they can predict Retail businesses depend on an in-depth understand- the profitability of those routes by leveraging historical ing of specific markets and customers to gain com- data visualized with key predictive metrics applied to petitive advantage. Here, big data analytics has huge data gathered from external sources. potential value, allowing those who drive the BI tools to Big data analytics allows airlines to gather years and create models that determine the success of a product years of flight data from the government, including point based upon predictive data points gathered from huge of origin, number of passengers, on-time records, etc.. amounts of unstructured data. They can then look at this data with known pricing This data may include demographics information information from other carriers. Add in predictive data, around the existing customer base, as compared to the the number of times the destination appeared in Web number of times the product is mentioned within social searches over the past several years, and the number of FIG. 4. Has your organization already invested in technology specifically designed to address the big data challenge? According to Gartner, almost all verticals are investing in big data analytics, with transportation, education, and health care leading the way. Yes No, but plan to within a year No, but plan to within two years No plans Don’t know Education 39% 17% 17% 39% 0% Retail 29% 12% 29% 29% 12% Transportation 36% 11% 21% 36% 4% Health care 36% 15% 15% 36% 9% Communications, Media, Services 25% 20% 15% 25% 10% Insurance 21% 18% 21% 21% 5% Energy, Utilities 31% 17% 11% 31% 14% Banking 22% 12% 18% 22% 18% Manufacturing 23% 18% 9% 23% 13% Government 23% 8% 18% 23% 16% INFOWORLD.COM DEEP DIVE SERIES
    • i Big Data AnalyticsDeep Dive 8 times it’s been mentioned on social networking sites as but ultimately are required for a successful well. By modeling this data within a BI tool, the airline implementation. would have a good idea as to the past use and profit- 6. Spend the time and money to evaluate BI technol- ability of the route, as well as the future possibility that ogy in terms of features and functions. BI and data tickets would sell, and at what price. visualization provide your window into the data, and any limitations will limit the value of the data. 7. Define the metrics of success. Evaluate what’s MAPPING A PATH FOR YOUR BUSINESS working and what’s not after a year of living To fully capitalize on big data analytics, you need to free with this technology. Adjustments can be made yourself from the limitations of traditional BI. Unfortu- with very little disruption. nately, those who created BI often attempt to force tra- 8. Finally, make sure to create a road map for ditional BI approaches (square peg) into the new world this technology. Include how it will be of big data (round hole). As a result, they miss the full leveraged today, and into short- and long-term potential of this technology or fail altogether. business planning. Here’s a rough outline of how to implement big data analytics in your own business: The value of this technology is very clear to those in business. The ability to work with good information has 1. Understand your core business requirements always been the big challenge for IT. Now we have the tools for this technology and create a business case. to address this issue, and it’s up to you to make it work. i 2. Define your data sources. Where are they? What are they? What’s the best way to reach David S. Linthicum is the CTO and founder of Blue Mountain and replicate them when required?. Labs and an internationally recognized industry expert and 3. Define known use cases, including the thought leader. Dave has authored 13 books on computing, analytical models you will need to understand the latest of which is ”Cloud Computing and SOA Convergence aspects of your data. in Your Enterprise, a Step-by-Step Approach.” Dave’s indus- 4. Create a proof-of-concept to both learn about the try experience includes positions as CTO and CEO of several technology and better understand the complexities successful software companies, and upper-level management of bringing the technology into the enterprise. positions in Fortune 100 companies. He keynotes leading tech- 5. Consider performance, security, and data nology conferences on cloud computing, SOA, enterprise appli- governance. These issues are often overlooked, cation integration, and enterprise architecture. INFOWORLD.COM DEEP DIVE SERIES