chapter 12  analyzing data with hadoop

... Big Data Using Hadoop and MapReduce 1 Apache Hadoop's ecosystem 2 Understanding Hadoop's ecosystem 6 Configuring Apache Hadoop 8 Prerequisites 9Setting up ssh without passphrase 10 Running Hadoop ... Apache Hadoop's ecosystem • Configuring Apache Hadoop • Running Apache Hadoop • Setting up a Hadoop cluster Apache Hadoop's ecosystem Apache Hadoop enables the distributed processing of large datasets ... followed by the data nodes: $ $HADOOP_PREFIX/sbin/Hadoop-daemon.sh start namenode Similarly, the datanode can be started from all the slaves $ $HADOOP_PREFIX/sbin/Hadoop-daemon.sh start datanode Trang

Ngày tải lên: 04/03/2019, 14:53

... that could handle heavy data load, with scalability and high availability This is called Big Data. Big data is usually associated with high volume and heavily growing data with unpredictable content ... new breed of databases called NOSQL databases, which are mainly used to work with big data NOSQL databases are non-relational databases • Information search and analytics: Storing data is only ... these files bin/hadoop jar hadoop*examples*.jar wordcount /user/myuser/data /user/myuser/data-output You will typically find hadoop-example jar in /usr/share/hadoop, or in $HADOOP_HOME Once

Ngày tải lên: 13/03/2019, 10:45

... market size when data is limited in emerging markets. Trang 22Marketing strategy Field research Data analysis Trang 23Cultural differences Availability of data Comparability of data Trang 24Top Research FirmsTrang ... national business environment The third step is to measure market or site potential by collecting data on each one being considered The fourth step is to select the best market or site by taking ... conducting international market research • Identify the main sources of secondary international data and explain their usefulness • Describe the main methods used to conduct primary international

Ngày tải lên: 04/02/2020, 03:57

... transaction data are processed medium a Software c Processing d Transaction 22 A database management system: medium a physically stores each element of data only once a b stores data on different ... both (1) and (2) b equally concerned with (1) and (2) c less concerned with (1) than with (2) d more concerned with (1) than with (2) Trang 967 Service auditors do not issue which of the following ... using the test data approach: medium a test data should include only exception conditions d b application programs tested must be virtually identical to those used by employees c select data may remain

Ngày tải lên: 11/04/2017, 14:44

... 2011, American Company sold inventory to a foreign customer The account will be settled on March 1 with the receipt of $500,000 foreign currency units (FCU) On November 1, American also entered into ... 2011, American Company sold inventory to a foreign customer The account will be settled on March 1 with the receipt of $450,000 foreign currency units (FCU) On November 1, American also entered into ... settlement date is: a a change in the exchange rate quoted by a foreign exchange trader b synonymous with the translation of foreign currency financial statements into dollars c the difference between

Ngày tải lên: 11/04/2017, 14:56

... (1) and (2) B) equally concerned with (1) and (2) C) less concerned with (1) than with (2) D) more concerned with (1) than with (2) Answer: C Terms: Concern of adequacy of hardware controls and ... the system with (2) the organization's methods of handling the errors that the computer identifies, the independent auditor is: A) unconcerned with both (1) and (2) B) equally concerned with (1) ... best describes the test data approach? A) auditors process their own test data using the client's computer system and application program B) auditors process their own test data using their own

Ngày tải lên: 11/04/2017, 15:04

... CHOICE1 A management information system should do which of the following? Collect data Organize data for managers Analyze data for management a yes no yes b yes yes no c no no yes d yes yes ... organized as corporations.ANS: F DIF: Moderate OBJ: 12-3 13 It is not necessary to be familiar with an organization’s mission when designing a cost management system ANS: F DIF: Moderate OBJ: ... the Accounting Department's demands for information 3 Who of the following are external users of data gathered by a management information system? Creditors Regulatory Bodies Suppliers a yes no

Ngày tải lên: 11/04/2017, 15:07

... 10% discount if they pay within 2 days B 2% discount if they pay 10% of the amount due within 30 days C 10% discount if they pay within 30 days D 2% discount if they pay within 10 days A $91,900 ... discount for early payment is available within ten days of the date of sale C ten percent discount for early payment is available if the invoice is paid within two days of the date of the invoice ... $91,900 Trang 1033 A company purchased goods on credit with credit terms of 3/15, n/45 Although the company does not have cash available to pay within the discount period, the manager of the company

Ngày tải lên: 11/04/2017, 15:11

... payable with First National Bank maturing March 15, 2007 The company intends to borrow $2,500,000 under the agreement with Lebo and liquidate the notes payable to First National The agreement with ... long-term debt maturing currently, which is to be paid with cash in a sinking fund b A long-term debt maturing currently, which is to be retired with proceeds from a new debt issue c A long-term debt ... as they are paid d FICA taxes withheld from employees' payroll checks should never be recorded as a liability since the employer will eventually remit the amounts withheld to the appropriate taxing

Ngày tải lên: 11/04/2017, 15:12

... intangible assets, with the remainder recorded as goodwill 11 Internally generated goodwill should not be capitalized in the accounts 12 Internally generated goodwill associated with a business ... tangible and identifiable intangible assets as compared with the purchase price of the acquired business c the value of a business is computed without consideration of goodwill and then goodwill ... accounting for intangibles E12-125 Essay – stock issued for intangible E12-126 Essay – costs associated with patents E12-127 Intangible assets multiple choice E12-128 Essay – intangible asset amortization

Ngày tải lên: 11/04/2017, 15:17

... Trang 1Data Analytics with HadoopAN INTRODUCTION FOR DATA SCIENTISTS Trang 3Benjamin Bengfort and Jenny KimData Analytics with Hadoop An Introduction for Data Scientists Boston ... Building Data Products at Scale with Hadoop 5 Leveraging Large Datasets 6 Hadoop for Data Products 7 The Data Science Pipeline and the Hadoop Ecosystem 8 Big Data Workflows 10 Conclusion ... Streaming Data with Flume 165 Flume Data Flows 165 Ingesting Product Impression Data with Flume 169 Conclusion 173 8 Analytics with Higher-Level APIs 175 Pig 175 Pig Latin 177 Data Types

Ngày tải lên: 17/04/2017, 15:38

... resides on the client computer • A separate computer may hold the data • Simple to develop, but difficult to maintain Data Storage Data Access Logic Application Logic Presentation Logic Trang 8Client-Server ... logic – Thick clients do presentation and application Application Logic Presentation Logic Data Storage Data Access Logic Trang 10Distributed Objects Computing• Next generation of client-server ... Understand server-based, client-based, and client–server physical architectures. • Be familiar with distributed objects computing. • Be able to create a network model using a deployment diagram.

Ngày tải lên: 16/05/2017, 13:35

... Business Data Communications, 5e Trang 2Business Data Communications, 5e2 Switching Techniques • Data transmitted through a network of intermediate switching nodes, which are not concerned with ... 32Business Data Communications, 5e– bursty better suited to packet-switching • Strategic and growth control limited with public networks • Reliability greater with packet-switching • Security greater with ... Stages• Circuit establishment • Data transfer – point-to-point from endpoints to node – internal switching/multiplexing among nodes • Circuit disconnect Trang 6Business Data Communications, 5e6 Circuit

Ngày tải lên: 22/08/2017, 11:23

... Faster than X.25, more streamlined than frame relay  Supports data rates several orders of magnitude greater than frame relay  Data on logical connection is organized into fixed-size packets, ... Trang 1Chapter 12:Wide Area Networks Business Data Communications, 4e Trang 2Wide Area Networking Issues Trend towards distributed processing

Ngày tải lên: 12/12/2017, 08:18

... Ch = 2DCo/Q2 Trang 20Sensitivity of the EOQ Formula• The EOQ formula assumes all inputs are know with certainty • In reality these values are often estimates • Determining the effect of input value ... p units per day • There is a setup cost each time production begins Trang 26Inventory Control With ProductionTrang 27Determining Lot Size or EPQParameters Q* = Optimal production quantity (or ... to qualify for that price, adjust Q* upward 3 Calculate total cost for each Q* 4 Select the Q* with the lowest total cost Trang 35Brass Department Store ExampleSells toy cars D = 5000 cars annually

Ngày tải lên: 09/01/2018, 11:15

... familiar with the Perl DBI will realize that there are a number of other parameters that we could take Our constructor method, new(), needs to a bit of initialization to set up the database connection, ... class and adds contained objects, our new() method will still the right thing with its parameters Now we connect to the database in preparation for retrieving components later: $self->{dbh} = DBI->connect ... table in the database, allowing us to uniquely identify a component For other resolvers, this might differ from the component path For example, the filesystem resolver that comes with Mason uses...

Ngày tải lên: 21/01/2014, 06:20

... you grant this extended privilege only when you not have valuable data on the server or if you have taken steps to ensure that the data cannot be accessed The privilege, called Universal XPConnect, ... turn on this privilege in your profile user preference file with the following line: enablePrivilege("UniversalXPConnect"); A script with this kind of plate-cleaning power can only be run successfully ... successfully when it's executed locally, as from a local XUL file with a element To open up XPConnect remotely with JavaScript like this, you have to use a signed script (see...

Ngày tải lên: 21/01/2014, 06:20

... some form of database lookup This section covers a simple example that uses data stored in a database to generate a XUL tree We will use PHP to retrieve the data from the SQL-driven database and ... generation, your database must be set up to handle table creation and dynamic updating via SQL calls Example 12-7 SQL script with User and Project data # table to be inserted into database CREATE ... the creation of a simple XUL tree with PHP and a MySQL database The "User" and "Project" columns display the data in the table Example 12-8 XUL generated from database

Ngày tải lên: 21/01/2014, 06:20

... more information about these functions, along with examples, at http://www.mozilla.org/xmlextras/ The following sections assume that you are familiar with SOAP and NET If not, some good O'Reilly ... XML Extras and SOAP Mozilla has built functions called XML Extras that allow the use of XML as data in both JavaScript and C++ Such functions are an XML Serializer, XMLHttpRequest, XML Parser, ... can help get you started 12.9.1 Mozilla, SOAP, and NET In this section, SOAP is used to access data in a NET web service, therefore allowing the Snake game to have features such as a saved game...

Ngày tải lên: 26/01/2014, 07:20

... to network application Concern with: Cell loss ratio Cell transfer delay Cell delay variation Configuration of VCCs and VPCs Allocating VCCs within VPC All VCCs within VPC should experience similar ... Transmission delay may increase with congestion Packet may be discarded Source can detect these as implicit indications of congestion Useful on connectionless (datagram) networks e.g IP based ... level at which performance falls off dramatically Data network is a network of queues Generally 80% utilization is critical Finite queues mean data may be lost Queues at a Node Effects of Congestion...

Ngày tải lên: 06/03/2014, 09:21