... - as the biggest challenges for data management Data volume means the size of data, data velocity the speed at which new data arrives and variety means, that data is extracted from varied sources ... general data warehousing architecture described by Chaudhuri and Dayal [82] Figure 2.3: Traditional Data Warehousing Architecture [82] According to this a traditional data warehousing architecture ... dimension table The data bus is then a net of data marts, which are connected via conformed dimensions This architecture (also called data mart bus architecture with linked dimensional data marts by...
Ngày tải lên: 10/12/2016, 09:59
Scalable Big Data Architecture
... Scalable Big Data Architecture A Practitioner’s Guide to Choosing Relevant Big Data Architecture Bahaaldine Azarmi Scalable Big Data Architecture Copyright © 2016 by Bahaaldine ... of architecture, the lambda architecture, which is a combination of different types of architectures First Approach to Data Architecture This section describes the first step of deploying a data ... distributed Big Data architecture based on real life examples Identifying Big Data Symptoms You may choose to start a Big Data project based on different needs: because of the volume of data you handle,...
Ngày tải lên: 13/04/2017, 10:42
Data Warehouse Architecture and Models
... Examine data needed Ascertain data availability Determine data frequency Decide the refresh cycle Types of Warehouse Data Fact data - Measures Dimension data - Query drivers Summary data ... between an enterprise-wide data warehouse and localized data marts Recognize the difference between independent and dependent data marts Identify the data that is stored in a data warehouse Explain ... models Warehouse Architectures Enterprise-wide solution Data mart solution Combined solution Enterprise Data Warehouse Solution Large warehouse containing all business data Incremental...
Ngày tải lên: 25/04/2013, 20:33
... Describe the Data Guard architecture • Explain the operational requirements of Data Guard • Describe how Data Guard processes, transports, and applies redo logs • Describe standby database modes ... primary database RFS Archived redo logs ARC0 MRP/LSP Standby database 2-9 Copyright © 2006, Oracle All rights reserved Physical Standby Database: Redo Apply Architecture Production database ... Physical standby database Redo apply Redo stream Backup Primary database - 10 Physical standby database Copyright © 2006, Oracle All rights reserved Logical Standby Database: SQL Apply Architecture...
Ngày tải lên: 26/10/2013, 20:15
Harness the power of big data IBM platform
... that tried and tested data management principles data quality, data cleansing, master data management, and data governance—are not completely redundant in a world of Big Data In fact, they are ... Power of Big Data: The IBM Big Data Platform / Zikopoulos / 817-5 Harness the Power of Big Data: The IBM Big Data Platform Big Data is all about better analytics on a broader spectrum of data, and ... Harness the Power of Big Data: The IBM Big Data Platform / Zikopoulos / 817-5 10 Harness the Power of Big Data: The IBM Big Data Platform kind of data complements the data that we use to drive...
Ngày tải lên: 07/12/2013, 11:33
Understanding big data
... Velocity of Data 5 Data in the Warehouse and Data in Hadoop (It’s Not a Versus Thing) 12 When to Consider a Big Data Solution Big Data Use Cases: Patterns ... next chapter), but the data isn’t likely to be distributed like data warehouse data We could say that data warehouse data is trusted enough to be “public,” while Hadoop data isn’t as trusted (public ... Big Data into two key areas that only IBM seems to be talking about when defining Big Data: Big Data in motion and Big Data at rest In this chapter, we focus on the at-rest side of the Big Data...
Ngày tải lên: 07/12/2013, 11:34
Tài liệu Server Farm Security in the Business Ready Data Center Architecture v2.0 pdf
... Multi-tier Architectures Layer segment Web/application Database Router Web/application Database Web/application Database 126922 Firewall This design makes it easy for the hacker to find the database ... in the Business Ready Data Center Architecture v2.0 OL-7247-01 2-1 Chapter Enterprise Data Center Topology Enterprise Data Center Topology Overview Figure 2-1 Enterprise Data Center Network with ... Business Ready Data Center Architecture v2.0 OL-7247-01 1-5 Chapter Server Farm Security—Technology and Solution Overview Data Center Security Overview Figure 1-4 Man-in-the-Middle Attack Data Center...
Ngày tải lên: 09/12/2013, 17:15
Tài liệu Data Center Architecture pptx
... How many Data Centers we need one, two, or…? • How far apart should the Data Centers be? • How much redundancy is enough? • What data replication methods should be used? • How should the Data Centers ... Recovery of Data and Resumption of Service DISASTER RECOVERY Mitigating the Impact of a Disaster DC-1101 11201_05_2005_c2 © 2005 Cisco Systems, Inc All rights reserved 27 Multilayer Data Center Architecture ... Data Center Scalable Infrastructure NAS Content IDS Switch App Servers VSANs FC Switch Application and Server Optimization Data Center Security MAN/ DC Storage Networks Internet Distributed Data...
Ngày tải lên: 20/12/2013, 19:15
Tài liệu cisco migrationn_This document describes how to deploy VMware ESX Server 2.5 into the Cisco data center architecture. doc
... FastEthernet0 set ip next-hop dynamic dhcp ! alias exec show_vlan_database vlan database alias exec update_vlan_databas vlan database ! end Branch with Workstation This section shows both the ... cameras The distribution of large data files to all branches by means of a mass update is an efficient way to distribute parts lists, price sheets, or inventory data Commercial software packages ... OL-9028-01 Performance Testing Table Performance Test Results mGRE G.729 Calls VoIP Kpps VoIP Mbps Data Kpps Data Mbps Average Jitter/Delay IP unicast 4140 414 523 187 723 ms 16 ms IP unicast IPmc 4140...
Ngày tải lên: 24/01/2014, 10:20
Tài liệu ORACLE: BIG DATA FOR THE ENTERPRISE ppt
... dynamic data structures NoSQL databases are frequently used to acquire and store big data They are well suited for dynamic data structures and are highly scalable The data stored in a NoSQL database ... The key-value stores or NoSQL databases are the OLTP databases of the big data world; they are optimized for very fast data capture and simple query patterns NoSQL databases are able to provide ... Oracle Database, enabling direct SQL access on data stored in HDFS The data stored in HDFS can then be queried via SQL, joined with data stored in Oracle Database, or loaded into the Oracle Database...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Big Data nguồn mở, Phần 1: Hướng dẫn Hadoop: Tạo ứng dụng Hello World với Java, Pig, Hive, Flume, Fuse, Oozie và Sqoop với Informix, DB2 và MySQL ppt
... access to the JDBC driver for every # database that it will access # please copy the driver for each database you plan to use for these exercises # the MySQL database and driver are already installed ... db2 # #db2 => connect to sample # # Database Connection Information # # Database server = DB2/LINUXX8664 10.1.0 # SQL authorization ID = DB2INST1 # Local database alias = SAMPLE # #db2 => create ... dbaccess stores_demo - eoj Database selected (count(*)) 13837 row(s) retrieved Database closed Liệt kê 14 Những người dùng DB2: Sqoop ghi kết đếm từ...
Ngày tải lên: 22/02/2014, 15:20
NET Data Access Architecture Guide potx
... OleDbDataAdapter OracleDataAdapter SqlDataAdapter ODBCDataAdapter OleDbDataReader OracleDataReader SqlDataReader ODBCDataReader OLE DB NET Data Provider Oracle NET Data Provider SQL Server NET Data ... page shows the full DataSet object model 4 Microsoft DataSet DataRelationCollection ExtendedProperties DataTableCollection DataTable DataRowCollection DataView DataRow ChildRelations ... flexibility NET Data Access Architecture Guide 31 Data Binding All three of these objects can act as data sources for data- bound controls, although the DataSet and DataTable can act as data sources...
Ngày tải lên: 06/03/2014, 03:20
Implementing Splunk: Big Data Essentials for Operational Intelligence ppt
... Manipulating data [ viii ] www.it-ebooks.info 379 379 380 382 384 385 387 390 390 392 392 393 394 Table of Contents Transforming data Generating data Writing a scripted lookup to enrich data Writing ... with Splunk, we find: • Add data: This links to the Add Data to Splunk page This interface is a great start for getting local data flowing into Splunk The new Preview data interface takes an enormous ... configure Splunk as a slave to a Splunk license server • Data: This section is where you manage data flow °° Data Inputs: Splunk can receive data by reading files (either in batch mode or in real...
Ngày tải lên: 07/03/2014, 04:20
Ethics of Big Data doc
... new data storage and processing techniques and tools such as Hadoop clusters, Bloom filters, and R data analysis tools Big data is data too big to be handled and analyzed by traditional database ... access to data? Ownership Who owns data, can rights to it be transferred, and what are the obligations of people who generate and use that data? Reputation How can we determine what data is trustworthy? ... vii Big Data, Big Impact Why Big Data? What Is Big Data Forcing? Big Data Is Ethically Neutral Don’t Tell...
Ngày tải lên: 08/03/2014, 23:20
Cloud Architecture Patterns ppt
... Considerations in Data Center Selection Cost Implications Failover Across Data Centers Example: Building PoP on Windows Azure Choosing a Data Center Routing to the Closest Data Center Replicating User Data ... Cloud Architecture Patterns Bill Wilder Cloud Architecture Patterns by Bill Wilder Copyright © 2012 Bill Wilder All rights reserved ... this tier are stateless Mechanics | 17 The data tier holds business data in one or more types of persistent storage such as relational databases, NoSQL databases, and file storage (which we will...
Ngày tải lên: 15/03/2014, 02:20
Big Data Now: Current Perspectives from O''''Reilly Radar pptx
... vii Data Science and Data Tools What is data science? What is data science? Where data comes from Working with data at scale Making data tell its story Data ... from the data itself, and creates more data as a result It’s not just an application with data; it’s a data product Data science enables the creation of data products One of the earlier data products ... is building the Twitter archive Data journalism, data tools, and the newsroom stack Data journalism and data tools The newsroom stack Bridging the data divide The data analysis path is built on...
Ngày tải lên: 18/03/2014, 01:20
Big Data Glossary pptx
... get the data associated with a particular key, to store some data against a key, and to delete a key and its data Unlike relational databases, with a pure key/value store, it’s impossible to run ... the size of the data increases, and the very largest data processing pipelines are all built on a horizontal model There is a cost to this approach, though Writing distributed data handling code ... for assigning data, but it would require a wholesale shuffling of all the data on the cluster To ease the pain of these problems, more complex schemes are used to split up the data Some of these...
Ngày tải lên: 23/03/2014, 02:20
Big Data Glossary pdf
... get the data associated with a particular key, to store some data against a key, and to delete a key and its data Unlike relational databases, with a pure key/value store, it’s impossible to run ... the size of the data increases, and the very largest data processing pipelines are all built on a horizontal model There is a cost to this approach, though Writing distributed data handling code ... for assigning data, but it would require a wholesale shuffling of all the data on the cluster To ease the pain of these problems, more complex schemes are used to split up the data Some of these...
Ngày tải lên: 23/03/2014, 23:20
Big Data Now: 2012 Edition docx
... CHAPTER Getting Up to Speed with Big Data What Is Big Data? By Edd Dumbill Big data is data that exceeds the processing capacity of conventional database systems The data is too big, moves too fast, ... definitions of big data Big Data Tools, Techniques, and Strategies — Expert guidance for turning big data theories into big data products The Application of Big Data — Examples of big data in action, in‐ ... restrictions on the data that HDFS stores Data may be unstructured and schemaless By contrast, relational databases require that data be structured and schemas be defined before storing the data With HDFS,...
Ngày tải lên: 24/03/2014, 04:21