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Chien, Henri Casanova, Yang-suk Kee, Ken Yocum, Richard Huang, Dionysis Logothetis, and Jerry Chou CSE, SDSC, and CNS University of California, San Diego VGrADS Site Visit April 28, 2005 t& I CreditsRice University Ken Kennedy, Principal Investigator Chuck Koelbel & Mark Mazina, Research Staff Anirban Mandal, Ryan Zhang University of North Carolina Dan Reed, Principal Investigator LavanyaRamakrishnan University of Southern California Carl Kesselman, Principal Investigator Gurmeet Singh University of California, Santa Barbara Rich Wolski, Principal Investigator Graziano Obertelli University of Tennessee Jack Dongarra, Principal Investigator Asim YarKhanl7#5(73l7#5(  7  3;M * 4 hLessons from GrADS Approach Vindicated: Application Driven Adaptation is Crucial Doing this well is DIFFICULT Specifically: Implicit Coupling of Application, Programming Tools, and Runtime requires dealing with complexity at all of these levels simultaneously Lack of Explicit Resource Abstraction inhibits expressing and exploiting application domain knowledge for application and resource management Closed World Selection Model does not extend to larger, shared resource Grid environments with contended allocation ~>>w%iYl Virtual Grid Research Challenges8Separation of Concerns Application Planning and Management Complex Grid Resource Environment Mgmt Scalable Selection and Binding Large Resource Pools Competitive, Dynamic Environments Application-Driven Resource Management Abstraction Level Grid Information Support Fault-Tolerance and Reasoning about BehaviortL8'XL8'X  jVirtual Grid ApproachRSeparation of Concerns  Application Level Resource Abstraction vgDL: Virtual Grid Description Language Virtual Grid Scalable Selection and Binding Integrated  Finding and Binding Overselection and Dynamic Composition Application-Driven Resource Management VG: Explicit Application Resource Abstraction VG: Unified Resource Information Provider VG: Launch and Monitor Computations VG: Modify to Manage Application Resourcest_G'_G'   #Separation of Concerns: vgDL and VGVirtual Grid Description Language (vgDL) Applications Describe their resource Needs at Application-level Abstraction Virtual Grid (VG) Resources Selected, Bound, and Organized into Application-level Abstraction Adaptive Applications: Fault Tolerance and Reasoning about Behavior (Future) Applications Manage Resources with VG (Application-level Abstraction) Modify the Virtual Grid )MLN`)MLN`  m!Application-Driven Design of vgDLlExtensive Application Case Studies (6 months) EMAN: Single Particle Analysis and Electron Micrograph Analysis Encyclopedia of Life (Bioinformatics) LEAD: Linked Environments for Atmospheric Discovery GridSAT: Boolean Satisfiability Solver (Logic and Test Design) Questions Explored How do you organize resources? How to you map to them and relation to performance? What is important to control? What is confusing/irrelevant detail? Findings Small number of Resource Abstractions Many Details Ignored in Application Mapping and Use vgDL Research Hypotheses& A simple language for Description and  Finding and Binding is possible Simplicity supports Portability and Robustness for Applications. Z. Z  , (Virtual Grid Description Language (vgDL)))vgDL provides application-level resource abstraction Aggregates or Collections ClusterOf (Homogeneous, Tightly-Coupled) TightBag (Heterogeneous, Tightly-Coupled) LooseBag (Heterogeneous, Loosely-Coupled) Individual Resource Attributes (extensible) CPU, Speed, Memory, Disk, Software, Hostname,etc. Couplers HighBW, LowBW, Close, Far Preferences Scalar Ranking Function, Arithmetic on Attributes Advanced and Extent Reservation (start time, stop time) Quantity of Resources (service units) 5},3  2^5},`3`   2^bb  O  ""P     L_ (Virtual Grid Description Language (vgDL)))b ) `  vgDL Example Based on EMAN Resource Abstractions Workflow (loosely coupled) Workflow Nodes are MPI Jobs (clusters) Specific Cluster Node Requirements Simple, Flexible, Lots of ChoiceD%f!%bf!% oScalable Selection and BindinglTraditional Model Selection based on Static Resource Attributes Plan Application Execution Bind Resources Execute Application Works in a Private Resource Environment:  What I want, I get Doesn t work in a competitive Grid resource environment:  What I want, everyone else wants too! Problem: Selection Ignores Availability of or Demand for Resources Binding May not Succeed Application May not do well Current solutions: Queue and Wait`mn"mn"p"Example: iVGDL Resource Management VDT: Chimera and Pegasus construct Workflow plan (selection) Selects resource pools (resource managers) for each workflow node Local Resource Managers (e.g. Condor) determine when they run! Problem: Can t control performance with VDT alone! VG Approach:  Find and Bind Resources, enabling Application Control of Scheduling on Bound Resources (2-level) ==s r8vgFAB:  Finding and Binding LUse vgDL (and rank) to enumerate a number of candidates for each part of request Attempt to bind candidates for each part based on vgDL ranking Compose successfully bound parts into a VG and returns to application If didn t succeed for all parts, try iteratively with more candidates or fail 9Finding and Binding in Competitive Resource EnvironmentsSvgFAB uses Combined Selection and Binding to Satisfy Large, Complex Requests in Competitive Resource Environments Combined Approach better in all cases Combined Approach Much better than Separate Selection in Competitive Environments Conjecture: This may make Synchronous Use of Grid Resources in Competitive Resource Environments Possible<rxjrxjAFinding and Binding in Competitive Resource Environments (cont.)6As Request Complexity Increases, Combined Selection and Binding can tolerate high resource utilizations Enables Synchronous Use of Resources As much as doubles the Binding Failure Rate which can be tolerated Separate: 30% for 8 and 16 component descriptions Combined: 60-70% for 8 and 16 component descriptionsTh%Cgh%Cgt=Application-Driven Resource Management: the Virtual Grid (VG)Life-cycle of a Virtual Grid Application sends vgES a vgDL request vgES (vgFAB) creates VG and returns to Application Application Uses VG (runs jobs, reads resource attributes, gets notifications from monitors, adapts VG, eventually done) Application terminates VG&$Virtual Grid = Realized vgDL Request%%` % vgDL Request to vgES Creates the Virtual Grid (VG) Virtual Grid (VG) is an Explicit, Active Entity Bound Resources and their relation to the Application s vgDL VG Nodes Attributes present Resource Information Static Information (proc type, speed, location, etc.) Dynamic Information (load, mem, uptime, prediction, NWS, Ganglia, etc.) Characterization / Classification Informationpc=1c`=`1bbb &"  X  Virtual Grids (VG)`  =Big Picture: Many Applications, vgES Instances, Virtual Grids>>` > v@Application-Driven Resource Management: Modifying a Virtual Grid{Application Reasons to Manage Resources Application of Resource Performance changes (Reschedule) Better or Changed Prediction of Application Needs Degradation of Resources, Availability of Additional Resources Application or Resource Fault-tolerance Needs (Reconfigure) Change in Predicted Availability, Failure Rates Change in Application Vulnerability and Needs Change the Virtual Grid (Future) Add Resources: VG::addNode() Graft into the VG Structure where desired Release Resources: VG::removeNode() Remove from VG structure and release Snapshot for Future Runs: VG:getDesc() Produces vgDL which will create similar configurations (9q<^!*$%'8(9q<^  !*$%'8  > @B ;"Examples of Virtual Grid EvolutionApplication uses vgDL and vgES to Create a Virtual Grid Fault Tolerance: Detect and Replace Resources which Fail Partially, or are Re-characterized with Undesirable FITS rates; or Augment LEAD: Add to Virtual Grid as Needed to Meet Evolving Needs of Real-time Prediction and Response&881System Architecture: vgES implements Virtual Grid22` 2 vgES Components`   vgFAB A  finder and binder that performs integrated resource selection and binding vgDL Virtual Grid Description Language: how an application expresses its resource needs and resource abstractions vgLaunch + DVCW An application launcher that initiates the application on the bound resources and interfaces to Globus vgAgent A component that retrieves static/dynamic resource information from existing information services systems vgMON A distributed monitoring component that ensures resource performance expectationsNmgjR`N` `m` ` R` ``j``R` Z  o  k  S vgFAB Architecture`  Virtual Grid (VG)`  vgAgent`   Retrieve Resource Information from Information Services Populate the vgFAB Information store, supports resource selection and binding Implement VG Resource Attributesb   Achievements to Date (Year 1.5)NApplication Studies to understand Application Resource Abstractions Design and Implementation of vgDL Language (Application-level Resource Abstraction) Design and Implementation of Integrated  Finding and Binding Algorithms Design and Implementation of Synthetic Resource Generator for Grids (Size, Time, etc.) Simulation Experiments for  Finding and Binding Effectiveness under Various Resource Environments Design and Implementation of a Research Infrastructure (vgES 0.7, March 2005) which enables Modular Exploration of Research Issues Experimentation by Large Applications And incidentally& Leverages and Integrates with Globus/MDS/Production Grid Resource InfrastructuresPMPPRPMRt.Research Activities and GoalsUnderstanding and Effectiveness of vgDL Experimentation with base vgDL Experimentation with full vgDL (reservations, resource quantities) Evaluation with a range of Applications Large-scale Experiments Evaluation and Understanding of Core vgES vgFAB Finding and Binding in Competitive Resource Environments (simulation and real experiments) Distributed vgFAB  scaling to even larger systems Efficient presentation of individual and  inter-resource attributes in VG s Evaluation with a range of Applications Large-scale Experiments Experimentation with use by other Systems (VDT: Chimera and Pegasus)L(*f(*fResearch Challenges (cont.)Automatic and Customized Monitoring vgMON and  separation of concerns Default and customizable expectations Efficient compilation/implementation of custom monitors Dynamic Virtual Grids Finding and Binding: Relative to Existing VG Coupling to Fault Tolerance Management Coupling to Reasoning about Behavior Abstraction of vgDL descriptions from Dynamic VG sL$$,$:For More InformationAndrew A. Chien, Henri Casanova, Yang-Suk Kee, Richard Huang, Dionysis Logothetis, and Ken Yocum, The Virtual Grid Description Language: vgDL, UCSD Technical Report CS2005-0817. And Update to The Virtual Grid Description Language: vgDL, Version 0.96, March 16, 2005. Yang-Suk Kee, Dionysios Logothetis, Richard Huang, Henri Casanova, and Andrew A. Chien, Efficient Resource Description and High Quality Selection for Virtual Grids, In Proceedings of the IEEE Conference on Cluster Computing and the Grid (CCGrid 2005) Yang-Suk Kee, Henri Casanova, and Andrew A. Chien, Realistic Modeling and Synthesis of Resources for Computational Grids, In Proceedings of the ACM Conference on High Performance Computing and Networking, SC2004, Pittsburgh , Pennsylvania, November 2004 Yang-suk Kee, Henri Casanova, and Andrew A. 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TB Z HD"8c?"4  H  0޽h ?/@I>XDIY lb___PPT10i.(+D='  = @B +  0L0 00(  0x 0 c $QO%  Q x 0 c $Q@  Q H 0 0޽h ? lb___PPT10i.(0G+D='  = @B +  0L0 `$$(  $r $ S (QO%  Q r $ S Q(w  Q H $ 0޽h ? lb___PPT10i.( 4+D='  = @B +  0L0 o g p4  (  4r 4 S  QO%  Q x 4 c $QT Q K 4 6Q~v0___PPT106___PPT9 _Application / PPSc  [  4 6\Q@~v0___PPT106___PPT9 o!Complex Grid Resource Environment""c "  4  BiCDEFAA8c?i5'O0,a@  "`H 4  BiCDEF8c?i5'O0,a@  "`87  4 HQ8c?e~ OvgDL Resource Description   4 HpQ8c?e ^ LVirtual Grid Resources  .l O{ 4O{,$D  0 4 B8c?"`8fB 4 6D8c?xB 4 HD8c?@ 4 N(Q8c?O NVirtual Grid Abstraction xB 4 HD8c? 4 N8Q8c?{ Z$Virtual Grid Execution System (vgES)% %H 4 0޽h ? lb___PPT10. B`+vdD|' = @B D7' = @BA?%,( < +O%,( < +Dn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*4%(D' =+4 8?dCB1+#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*4D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*4+  0L0 8P(  8r 8 S d SO%  S  8 S d Sx<$@ 0 S H 8 0޽h ? lb^V___PPT106.(PX+mYD ' = @B D' = @BA?%,( < +O%,( < +D ' =%(D ' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8D ' =%(D ' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8/%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8/D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8/D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8/w%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8/wD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8/wD' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*8w%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8wD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8w+  0 <(  ~  s *DSO%  S ~  s *S S H  0޽h ? ka___PPT10i.8;`lls+D='  = @B ++   0 B:(  ~  s *P%SO%  S ~  s *&S S    (SV#" ` P4___PPT10 B___PPT9$ : Vgrid := VgDefineExpr ["at" Time ] VgDefineExpr := Identifier "=" VgExpr Identifier := String VgExpr := VgSubExpr | VgDefineExpr ("close" | "far" | "highBW" | "lowBW") VgDefineExpr VgSubExpr := VgAssociatorExpr | VgNodeExpr | "{" VgExpr "}" VgAssociatorExpr := VgBagExpr | VgClusterExpr VgBagExpr := ("LooseBagof" | "TightBagof") "(" Identifier ")" "[" MinNode ":" MaxNode "]" [ "[" RedlineExpr "]" ] [" [" Rank "=" ArithmeticExpr "]" ] "{" VgDefineExpr"}" MinNode := Integer MaxNode := Integer Number := Integer VgClusterExpr := "Clusterof" "(" Identifier ")" "[" MinNode ":" MaxNode "]" [ "[" RedlineExpr "]" ] [" [" Rank "=" ArithmeticExpr "]" ] "{" VgDefineExpr "}" MinTime := Integer MaxTime := Integer VgNodeExpr := "[" RedlineExpr "]" [" [" Rank "=" ArithmeticExpr "]" ] RedlineExpr := CondAndExpr [ "||" CondAndExpr ]* [ "," Predicate ] CondAndExpr := EqualExpr [ "&&" EqualExpr ]* EqualExpr := RelationalExpr [ ("==" | "!=") RelationalExpr ]* RelationalExpr := AddExpr [ (">=" | "<=" | ">" | "<") AddExpr ]* AddExpr := MultExpr [ ("+"|"-") MultExpr ]* MultExpr := UnaryExpr [ ("*" | "/") UnaryExpr ]* UnaryExpr := Integer | Float | Attribute | "(" RedlineExpr ")" | (( Cluster |  TightBag | LooseBag ) "." Attribute) Predicate := "Required" "(" Attribute ["," Attribute ]* ")" Attribute := String ArithmeticExpr := ArithMultExpr [ ("+"|"-") ArithMultExpr ]* ArithMultExpr := ArithUnaryExpr [ ("*" | "/") ArithUnaryExpr ]* ArithUnaryExpr := Integer | Float | Attribute | "(" ArithmeticExpr ")" | (( Cluster |  TightBag | LooseBag ) "." Attribute)  c c %c c Cc c c c c c c c c c >c c c c ?c c c c c c c c c c c c c c c c c c c c c c c c c c c c c c Lc c c c c c c c c c c c c c c c c c c c c c c c c c c c 7c c c c c c c c c c c c "c c c c *c c 0c c c c 3c c c c c c c c &c c c c )c c c c =c c c c ,c c c c c c c c c c :c c c c 8c c c c Gc c c c ,c c c c                                                                                                         q                               &       b                  &       H  0޽h ? ̙33___PPT10i.FW+D='  = @B +  0 m(  ~  s *PVO%  V ~  s *OVH  V )  HV8c?,N %BagOfClusters= LooseBagOf(N)[10:100] [Rank=LooseBag.Nodes] {N=ClusterOf(M)[8:32] {M=[(Memory>=1024) &&(Disk>2048)] [Rank = Clock]} },& %c<  7   H  0޽h ? ka___PPT10i.sF!+D='  = @B +  0L0 DP(  Dr D S DVO%  V  D S DVF<$D 0 V H D 0޽h ? lb^V___PPT106.(pFi+XD ' = @B D' = @BA?%,( < +O%,( < +Dn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DD' =%(D.' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*D'%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D'D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D'D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*D'a%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D'aD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D'aD' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Day%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DayD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DayD' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Dy%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DyD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DyD' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D+   0L0 <4H(  Hn H C FA,grid-health-status-usL. r H S |*VO%  V  H c $|+V d<$D 0 V H H 0޽h ? lbF > ___PPT10 .(`<,+XD ' = @B D ' = @BA?%,( < +O%,( < +Dn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*HD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*HDn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*Hb%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*HbD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*Hb+pA  0L0 *|*0YaX*(  Xr X S  :VO%  V ~ X s *:Vk  V  X H>V1?"`:v T,$D 0 dBagOfClusters= LooseBagOf(N)[10:100] [Rank=LooseBag.Nodes] {N=ClusterOf(M)[8:32] {M=[(Memory>=1024) &&(Disk>2048)] [Rank = Clock]} }, c<  (   B X BDo?pH,$@ 0B X BDo?P,$D 0l  0 OX( @,$D 0@ hP XpH l  X <8c?hPl  X <8c?Pl  X <8c?hl  X <8c?&N hP X X`l X <8c?hPl X <8c?Pl X <8c?hl X <8c?&N hP X l X <8c?hPl X <8c?Pl X <8c?hl X <8c?&N hP X  0l X <8c?hPl X <8c?Pl X <8c?hl X <8c?&N hP X  pH l X <@8c?hPl  X <@8c?Pl !X <@8c?hl "X <@8c?lR #X <8c?0`lR 'X <8c?XlR (X <8c? lR )X <8c?@lR *X <8c?`@0@ ` -Xl +X <8c?`l ,X <8c?`>N ` .X 0HXl /X <8c?`l 0X <8c?`>N ` 1X `l 2X <8c?`l 3X <8c?`>N ` 4X  l 5X <8c?`l 6X <8c?`>N ` 7X  P0l 8X <@8c?`l 9X <@8c?`>N ` :X l ;X <8c?`l N ` =X  HXl >X <8c?`l ?X <8c?`>N ` @X Pl AX <8c?`l BX <8c?`>N ` CX l DX <8c?`l EX <8c?`\l x0@  PXXh ,$@ 0&N hP FX xh( l GX <@8c?hPl HX <@8c?Pl IX <@8c?hl JX <@8c?lR KX <8c?x8>N ` LX 0@ l MX <8c?`l NX <8c?`B QX BDo?  ,$@ 0Ll h   `X x ,$D  0 \X HS1?h   ,  ^X NxS1?"` cg  B Virtual Grid  >N x0@  RX p  &N hP SX xh( l TX <@8c?hPl UX <@8c?Pl VX <@8c?hl WX <@8c?lR XX <8c?x8>N ` YX 0@ l ZX <8c?`l [X <8c?` aX HS8c?m ,$ 0 TSuccessfully Bound Candidates   H X 0޽h ? lb|t___PPT10T.(W+4'D'  = @B Ds' = @BA?%,( < +O%,( < +D' =%(D' =%(D@' =A@BB BB0B%(D' =1:Bvisible*o3>+B#style.visibility<*X%(D' =-o6Bdissolve*<3<*XD' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*X%(D' =-o6Bdissolve*<3<*XD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*OX%(D' =-o6Bdissolve*<3<*OXDf' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*PX%(D' =-o6Bdissolve*<3<*PXD@' =A@BB BB0B%(D' =1:Bvisible*o3>+B#style.visibility<*aX%(D' =-o6Bdissolve*<3<*aXD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*X%(D' =-o6Bdissolve*<3<*XD' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*QX%(D' =-o6Bdissolve*<3<*QXD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*`X%(D' =-o6Bdissolve*<3<*`X+p+0+X0 ++0+aX0 +  0L0 \((  \r \ S vVO%H  V x \ c $vV t V  \ HxV8c?I B 8 candidates  4 \ # Ap& H \ 0޽h ? lb___PPT10i.BБ+D='  = @B +  0L0 5(  x  c $VO%  V ~  s *TV t V   HV8c?N" C 16 candidates 4  # A0* H  0޽h ? lb___PPT10i.BБ+D='  = @B +'  0L0   `d  (  dr d S 0VO%8  V  d S 0V <$D 0 V  d T|Vo))?8 ] Application"  c     d TVo))?P a VvgES"c    l pH  deP( P,$@ 0rB  d BD8c?p0H  d HV8c?&b :vgDL  l ,  d0 ,$@ 0T ,(  d# ,(  d H(V8c?,?  0  d HV8c?0 C  0 B  d HV8c?   0   d HV8c? (  0 rB d BD8c?@ H rB dB BD8c?@` rB d BD8c?   d NlV8c?   B Virtual Grid  B d ND8c?8 X,$@ 0H d 0޽h ? lbKC___PPT10#.(^+ 5D' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*d%(D' =-o6Bdissolve*<3<*dD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*dC%(D' =-o6Bdissolve*<3<*dCD' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*d%(D' =-o6Bdissolve*<3<*dD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*dCv%(D' =-o6Bdissolve*<3<*dCvD' =%(D8' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*dv%(D' =-o6Bdissolve*<3<*dvD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*d%(D' =-o6Bdissolve*<3<*dDj' =4@BBBB%(/%,( < +)D' =?B70, 0; .2, .5; .8, .5; 1, 0-g6B fade*<3<*dD' =0l9 BBBB*<3<*d)?D' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*d %(D' =-o6Bdissolve*<3<*d D1' =4@BB BB%(D' =-o6Bdissolve*<3<*dD' =1:Bhidden*o3>+B#style.visibility<*d%(D' =%(D' =%(D1' =4@BB BB%(D' =-o6Bdissolve*<3<*dD' =1:Bhidden*o3>+B#style.visibility<*d%(+  0  &;(  r : S @VO%  V r ; S V  V zL 00P  # p @ZB B s *DԔ00ZB B s *DԔ0 ZB  s *DԔ0PzL 00P  #  ZB B s *DԔ00ZB B s *DԔ0 ZB  s *DԔ0PbL ` #  T 00P   # ݶZB !B s *DԔ00ZB "B s *DԔ0 ZB # s *DԔ0P|N 00P  $ `ZB %B s *DԔ00ZB &B s *DԔ0 ZB ' s *DԔ0P^ ( 6 P ^ ) 6pP  ^ * 6 `^ + 6f 0^ , 6@ P ^ - 6 @^ . 6 P ^ / 6P^ 0 6f @^ 1 6  ^ 2 6` 0^ 3 6f` J 4 <LV^~v0___PPT106___PPT9 X vgDL Request  c  O 5 <\Vg ~v0___PPT106___PPT9 ]Virtual Grid (VG)c  F  `` 6 `P P` 7 <V1``~v0___PPT106___PPT9 \Rname: foo.ucsd.edu Load: 0.6 Pred Load: 2.0 & //cN         ZB 8 s *D1  9 HhV1?"` dBagOfClusters= LooseBagOf(N)[10:100] [Rank=LooseBag.Nodes] {N=ClusterOf(M)[8:32] {M=[(Memory>=1024) &&(Disk>2048)] [Rank = Clock]} }, c  <  (   H  0޽h ? ̙33___PPT10i.'c'+D='  = @B +  0 80#%P(  Pr $P S VO%  V r %P S V m V QF p P  2 ` P 0p`` P 0p`` P 0p`` P 0p`[  P <V~v0___PPT106___PPT9 aInformation Servicesc  MF _   P  U0 `  P 0]% `  P 0F ] `  P 0 ]l ` P 0 ] W P <^z_ ~v0___PPT106___PPT9 ]Resource Managersc  D2 P <^P ~v0___PPT106___PPT9 RvgESc  T2 P B^ ~v0___PPT106___PPT9 \Virtual Gridsc  X P 0Pp@X P 0@X P 0X P 0 X P 0PX P 0@PX P 0pP L P <^ ~v0___PPT106___PPT9 Z Applications  c  z   P  ,$D 0N   P  fB P 6D)@` @fB P 6D)0 Q P <^~v0___PPT106___PPT9 W VG Creation  c  fB P 6D)@@ z F r   P F r ,$D 0fB !P 6D)p fB "P 6D) ` a #P <d^F d r ~v0___PPT106___PPT9 gVG Information & Monitoringc  H P 0޽h ? ̙330(___PPT10.(hd+i0xD'  = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*P%(D' =-o6Bdissolve*<3<*PD' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<* P%(D' =-o6Bdissolve*<3<* P+  0L0 t$(  tr t S ^O%  ^ r t S  ^R ^ H t 0޽h ? lb___PPT10i.(B+D='  = @B +'  0L0 }uP"#l (  lr l S x'^O%  ^ r l S <(^  ^  l T.^o))?8 ] Application"  c     l Th2^o))?P a VvgES"c    z pH  l eP( P,$D 0rB l BD8c?p0H  l H6^8c?&b :vgDL  z ,   l 0 ,$@ 0T ,(   l# ,(   l B =^8c?,?  0   l B@^8c?0 C  0 B  l BD^8c?   0  l BpH^8c? (  0 rB l BD8c?@ H rB lB BD8c?@` rB l BD8c?   l HK^8c?   B Virtual Grid  B l HD8c?8 X,$@ 0\l `@p  l x ,$D 0l l <8c?`@h l l <8c?Hp Rl   #l ,$D 0\@ p  !lx lb l <f8c?p0 lb l <f8c?pX0 lb l <f8c?p0 lb l <f8c?H lb l <f8c? lb l <f8c?` lb l <f8c? ( lb l <f8c?P  lb  l <f8c?  rB "lB BD8c? xH l 0޽h ? lb___PPT10.B0V+<2jdDu' = @B D0' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*l%(D' =-o6Bdissolve*<3<*lD' =%(D8' =%(D3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<* l%(D' =-o6Bdissolve*<3<* lD3' =4@BB BB%(D' =1:Bvisible*o3>+B#style.visibility<*l%(D' =-o6Bdissolve*<3<*lDj' =4@BBBB%(/%,( < +)D' =?B70, 0; .2, .5; .8, .5; 1, 0-g6B fade*<3<*lD' =0l9 BBBB*<3<*l)?Dn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*l%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*lD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*lDn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*#l%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*#lD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*#l+  0 &H<V(  <~ < s *^^O%H  ^ F ~b %< ~* &< Nc^o))?  :& g  3 '< TXf^o))?P ) ] Application"  c     (< T@j^o))? 0  [ vgES APIs"  c     )< T@n^o))?h [  evgMON"c    `B *< 0DoY~`B +<B 0DoY~ ,< <q^!`Z TvgDL c    T Cb  -<# `  Z .< s *ffZ /< s *fLZ 0< s *3Cb Z 1< s *b Z 2< s *b Z 3< s *b LZ 4< s *CZ 5< s *Z 6< s *33LZ 7< s *Z 8< s *Lb Z 9< s *b 2 :< <Ty^"`G!  fInformation Services"c    2 ;< <<}^"` G/  cResource Managers"c    fB <<B 6Dox0 0 fB =< 6Dox0 0  >< T{^o))?  X  hvgLAUNCH"  c     ?< T~^o))?p`  WvgFAB"c    " @<  `d^Go?" `   XVG& g     A< <^+`i Z RVG c    " B<  `^Go?"   XVG& g    " C<  `d^G33o?" Z  XVG& g    fB D<B 6DoP  fB E<B 6DoP   F< T^o))?p  VDVCW"c     G< T ^o))? `  gvgAgent"c     H< H^8c? ~b DGrid Resources  H < 0޽h ? ̙33y___PPT10Y+D='  = @B +  0 @<(  @~ @ s *ħ^O%  ^ ~ @ s *^ ^ H @ 0޽h ? ̙33y___PPT10Y+D='  = @B +  0   x (  x^b x 6f78c?X 8  ~ x s *x^O%  ^  x Tį^o))?o ] Application"  c     x T^o))?h gvgAgent"c     x T(^o))?  WvgFAB"c     x T<^o))?xg hvgLAUNCH"  c    X x 08c?T`  x H@^8c?eL PvgDL c  X  x 08c? "  x  `P^G33o?"  XVG& g    p  x HZGH[I8c? ^  x 68c?  ^` x H^8c?$  Rbind c   x H^8c? e 8  \return VG to App a  XB x 0D)?X X `XB x 0D)? ` x H^8c?| ?< [ Resource Info c  R x S ^   ^ dvgAgent provides resource data for finding and binding vgLAUNCH uses Globus to access Grid resourcesee`N 0     H x 0޽h ?Oxxxx xx x xxx x ̙33y___PPT10Y+D='  = @B +  0 (  ~  s *^O%  ^   B^8c?  (Type: Cluster ID: vgrid # of children: 8) )c&   D  Bx^8c?`   jType: Node ID: node HostName, IP Processor, Memory, & 6 6c&     B^8c?`   0 #R @ s *8c? X R  s *8c? X   B^8c?` 0   0 #R   s *8c? X X    T^o))?   gvgAgent"c    p"   HZGHH3AI8c?  p"   HZGHHq~I8c? X  p"   HZGUhHI88c? ( p @ HGQHĻIQ8c?   H`8c?`   fupdate dynamic information a    H\`8c? 0  ^VGNode a    H `8c?0  ^VGNode a  z xh  xh,$D 0  TH`o))?xP UApp"c    fB  6D8c?hxfB  6D8c?@fB  6D8c?  HP`8c?f> ]ReadAttribute()  H  0޽h ?         ̙33___PPT10+:6D|' = @B D7' = @BA?%,( < +O%,( < +Dn' =%(D' =%(D' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*+5  0 LD(    C `f"`5. '  tvgES40c c   ~  s *L`O%  ` ~  s *!` ` FB @ S DU   C d#`"` z vgCreate()4 0 c  c      C d(`"`Z  Populate Info80 g  c      C @-`"` 4W  &Register VGNodes - Need attribute dataL'0`g  c  c 2        # 3`  + Information Services60c c      C T9` "`'    Retrieve Info80 g  c       C p>`    yvgAgent40c c      c $7` "` +`  } DBUpdater6 0 c  c       c $lG` "` 9 `  } VGUpdater6 0 c  c      c $L`"`` 9 +  o Collector6 0 c  c     c $P`"` 9 +  !Resource Info Generator Interface6"0!c  c  "   c $T`"` 9 ;v  q MDS Wrapper6 0 c  c     c $Y`"` 8;v  q NWS Wrapper6 0 c  c     c $X^`"` +v  h& 60c  c   FB  S DԔv   FB  S D` 9 a FB  S D R9  ^b  6f78c?`  C Td` W  wvgFAB60c c     C i`"`   Update VG vgWriteAttribute()J0 g  c  c   @B  C D "   `o`G33o?"` '@  XVG& g    RB  s *D?8 ^B @ 6D8c?0@0H  0޽h ? 33___PPT10i.)|+D='  = @B +.  0L0 P(  r  S H`O%  `   S l`@<$ 0 ` H  0޽h ? lb,,___PPT10x,.Q@`+2D,' q`= @B D+' = @BA?%,( < +O%,( < +D{' =%(D#' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DD{' =%(D#' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DD{' =%(D#' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D{' =%(D#' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8D{' =%(D#' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*8D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*8D! ' =%(D ' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DDN' =%(D' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*DV%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*DVD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*DVD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*V%(D' =+4 8?dCB0-#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*VD' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*V+8+0+0 +  0L0 0(  x  c $x`O%  ` x  c $P` ` H  0޽h ? lb___PPT10i.(^+D='  = @B +  0L0 $(  r  S @`O%  ` r  S `r  ` H  0޽h ? lb___PPT10i.B@>+D='  = @B +  0L0 `0$(  0r 0 S `KO%  K r 0 S }K   K H 0 0޽h ? lb___PPT10i. 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