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57 Start Request the centralized course scheduling job to be run on a designated host Stage 1 Wait for the results The job fails Yes No Select a job from the list of all decentralized course scheduling jobs Stage 2 Search a host having the lowest load Request the decentralized course scheduling job to be run on the searched host All decentralized course scheduling jobs are requested No Yes All jobs were done No Select a job from the list of all decentralized course scheduling jobs Yes End Stage 3 Get status of the job No The job failed Yes Search a host having the lowest load Request the failed job to be run on the searched host FIGURE 3-27 Job scheduler for the grid computing environment The algorithm can be divided into three stages: 3.8.2.1 Stage 1 The centralized course scheduling job is requested to be executed on a designated host, machine m2. The system will wait for the results and resubmit if it fails.
58 3.8.2.2 Stage 2 After the centralized course scheduling job is executed successfully, all decentralized course scheduling jobs are requested to be executed on remote machines: m2 and m3. There is no exchange of data between the decentralized course scheduling jobs, so these jobs can be requested one after another to be run in parallel in the grid. After each job is submitted to be executed on a host, the most available host will be updated. 3.8.2.3 Stage 3 The system monitors all the decentralized course scheduling jobs and resubmit a job if it fails. The complete source code for this job scheduler is given in the file Scheduling.java in Appendix E. 3.8.3 Job and Resource Management The job and resource management submits a job to a particular resource, queries job status, and resubmits a job if it fails. FIGURE 3-28 Overview of GRAM and GASS
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COURSE SCHEDULING IN MULTIPLE FACUL
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ชื่อ : นายฮูเ
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TABLE OF CONTENTS Page Abstract (in
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LIST OF TABLES Table Page 2-1 Cours
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LIST OF FIGURES (CONTINUED) Figure
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2 The classrooms are sometime share
Page 13 and 14: 4 Classroom i Time-slot Hour Mon Tu
Page 15 and 16: CHAPTER 2 LITERATURE REVIEW In this
Page 17 and 18: 9 teach effectively. However, in so
Page 19 and 20: 11 The set of vertexes are consider
Page 21 and 22: 13 Gueret et al. have implemented a
Page 23 and 24: 15 When the atoms are at a high tem
Page 25 and 26: 17 The outline of the basic genetic
Page 27 and 28: 19 As shown in Figure 2-6, first of
Page 29 and 30: 21 2.3.2.1 Crossover After we have
Page 31 and 32: 23 these chromosomes. According to
Page 33 and 34: 25 2.4.1 Application Considerations
Page 35 and 36: 27 Southern California, the Argonne
Page 37 and 38: 29 2.4.3.2 Application Programming
Page 39 and 40: 31 2.5 Summary The course schedulin
Page 41 and 42: 34 3.1.5 Phase 5: Measurement a) To
Page 43 and 44: 36 All the above problems can be pr
Page 45 and 46: 38 Client at a faculty Client at th
Page 47 and 48: 40 The Grid system is only used by
Page 49 and 50: 42 3.6 The Proposed Genetic Algorit
Page 51 and 52: 44 Chromosome x i Fitness = f(x i )
Page 53 and 54: 46 A population is a list of n chro
Page 55 and 56: 48 Lecturers register their busy ti
Page 57 and 58: 50 A course is booked to the time-l
Page 59 and 60: 52 As mentioned in the previous sec
Page 61 and 62: 54 GIIS from the client machine m1.
Page 63: 56 The complete source code for man
Page 67 and 68: 60 3.8.3.3 The Gatekeeper The gatek
Page 69 and 70: 62 TABLE 4-1 (CONTINUED) Class Seme
Page 71 and 72: 64 26 lecturers are assigned to tea
Page 73 and 74: 66 TABLE 4-2 (CONTINUED) Course Sec
Page 75 and 76: 68 This result shows that the GA ra
Page 77 and 78: 70 should revise the chromosome rep
Page 79 and 80: 72 - Population size : 10 - Crossov
Page 81 and 82: 74 for network communication is muc
Page 83 and 84: 76 TABLE 4-5 Timetable created by t
Page 85 and 86: CHAPTER 5 CONCLUSION 5.1 Conclusion
Page 87 and 88: REFERENCES 1. Alkan, A. and Ozcan,
Page 89 and 90: 83 20. Burke, E. K. and Newall, J.
Page 91 and 92: 85 38. Globus Toolkit [Online]. Ava
Page 93 and 94: 88 This section presents the struct
Page 95 and 96: 90 A.5 Building TABLE A-5 Building
Page 97 and 98: 92 A.10 Program TABLE A-10 Program
Page 99 and 100: 94 A.14 Timetable TABLE A-14 Timeta
Page 101 and 102: 96 This section presents in detail
Page 103 and 104: 98 TABLE B-2 Group, user ID and pas
Page 105 and 106: 100 broadcastdelay 0.008 authentica
Page 107 and 108: 102 mycapw [enter] During the above
Page 109 and 110: 104 service gsigatekeeper { socket_
Page 111 and 112: 106 B.3.3 Starting the MDS on All o
Page 113 and 114: 108 B.4 Checking the Installation T
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110 This section introduces the ste
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112 C.3.2 Configuration This sectio
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114 [root@m1 root]#grid-proxy-info
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116 The system will automatically p
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118 C.6 Installing JDBC Driver on L
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120 This section presents how to co
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122 All the following files are com
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124 } } } try { ctx.close(); } catc
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126 }//for }else if(attribute.equal
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128 public static void main(String
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130 System.out.println(CentralizedS
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132 gassJob[jobCount]=new GassJob(t
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134 /** * Init job out listeners fo
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136 // Start GASS server if (! star
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138 // waits for DONE or FAILED sta
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140 //get RSL of Job having index i
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142 class Job { private String jobn
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145 BIOGRAPHY Name : Mr. Nguyen Con
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