grid computing & grid schedulers

8/18/2019 Grid Computing & Grid Schedulers

1/10

GRID COMPUTING & GRIDGRID COMPUTING & GRID

SCHEDULERSSCHEDULERS

- Neeraj Shah- Neeraj Shah


2/10

DefnitionDefnition

A ‘Grid’ is a collection of different machines where in all ofA ‘Grid’ is a collection of different machines where in all of

them contribute any combination of resources as an entirethem contribute any combination of resources as an entire

unit.unit.

The basic aim of Grid Computing is to create an illusion of aThe basic aim of Grid Computing is to create an illusion of a

large and powerful virtual computer which is a collection oflarge and powerful virtual computer which is a collection of

heterogeneous systemsheterogeneous systems..


3/10

BeneftsBenefts

‘‘Grid’ Computing focuses on sharing of large scale ofGrid’ Computing focuses on sharing of large scale ofresources which are virtual to us , innovativeresources which are virtual to us , innovativeapplications and always on improving theapplications and always on improving the

performance. performance.

Systems connected in a grid can be inepensive andSystems connected in a grid can be inepensive andlocated world!wide, as opposed to "igh!#ndlocated world!wide, as opposed to "igh!#ndcomputing.computing.

#nables an application to run on a different machine,#nables an application to run on a different machine,

whose eisting machine may be busywhose eisting machine may be busy..


4/10

Benefts…Benefts…

Aggregates the unused hard $dis% space of machinesAggregates the unused hard $dis% space of machinesconnected into a large virtual data store.connected into a large virtual data store.

Transfers resources to machines which are relatively less busyTransfers resources to machines which are relatively less busyor can also migrate partially completed &obs during unepectedor can also migrate partially completed &obs during unepected pea%s in activity. pea%s in activity.

Collaborates multiple heterogeneous systems, ma%ing them toCollaborates multiple heterogeneous systems, ma%ing them to

form a large virtual computing system.form a large virtual computing system.

'eliability $ (ower )ailure or any other type of failure in one'eliability $ (ower )ailure or any other type of failure in onelocation does not affect other locations.location does not affect other locations.


5/10

Types o GridTypes o Grid

ClusterCluster

Inter GridInter Grid

Intra GridIntra Grid


6/10

Scheduling & SchedulersScheduling & Schedulers

A Scheduler automatically selects a suitable machine toA Scheduler automatically selects a suitable machine toeecute a particular &ob send by the Grid System.eecute a particular &ob send by the Grid System.

#amples * +imrod!G Grid 'esource ro%er, AppleS,#amples * +imrod!G Grid 'esource ro%er, AppleS,

ST-', Silver eta scheduler, ST!-', C-+/-'!G.ST-', Silver eta scheduler, ST!-', C-+/-'!G.


7/10

FunctionsFunctions

Manage queue of Global jobs.Manage queue of Global jobs. Enforce global scheduling policies.Enforce global scheduling policies. Determine best match! of global jobs toDetermine best match! of global jobs to

a"ailable resources.a"ailable resources. #eser"e or allocate resources for jobs.#eser"e or allocate resources for jobs. $ranslate global jobs into local jobs.$ranslate global jobs into local jobs. Stage data%jobs as needed.Stage data%jobs as needed.

Manage accounts as needed.Manage accounts as needed. Maintain accounting records for all theMaintain accounting records for all the

jobs and transactions jobs and transactions


8/10

Features o SILVEFeatures o SILVE

!etascheduler!etascheduler &ocal 'utonom(&ocal 'utonom(

'd"anced #eser"ation Support 'd"anced #eser"ation Support

Complete 'ccount $rac)ingComplete 'ccount $rac)ing *+ine "alidation*+ine "alidation

Scalabilit(Scalabilit(

,ser $ransparenc(,ser $ransparenc( ault $oleranceault $olerance


9/10

"onclusion"onclusion

Grid as ‘ +et Generation 0nternet’Grid as ‘ +et Generation 0nternet’

Silver is under active development 1 is implementedSilver is under active development 1 is implemented

in active beta test in various Government and (rivatein active beta test in various Government and (rivate

-rgani2ations.-rgani2ations.


10/10

eerenceseerences

The (hysiology of the Grid by 0an )oster, C.3esselman, 4 +ic%, S.The (hysiology of the Grid by 0an )oster, C.3esselman, 4 +ic%, S.Tuec%eTuec%e

http*55www.gridforum.org5ogsi!wg5drafts5ogsa6draft7.867997!9:!77.pdf http*55www.gridforum.org5ogsi!wg5drafts5ogsa6draft7.867997!9:!77.pdf

The Anatomy of Grid by 0an )oster, C. 3esselman, S. Tuec%eThe Anatomy of Grid by 0an )oster, C. 3esselman, S. Tuec%e

http*55www.mcs.anl.gov5globud5research5papers5anatomy.pdf http*55www.mcs.anl.gov5globud5research5papers5anatomy.pdf

Grid Computing ;9;* what’s all the fuss about0T (rofessional , =olume* : , 0ssue* 7 , arch!April 799>(ages*7? $ @@ http*55ieeeplore.ieee.org5iel?5:78>57?:@59;7B?>.pdf (ages*7? $ @@ http*55ieeeplore.ieee.org5iel?5:78>57?:@59;7B?>.pdf

Silver /esign SpecificationsSilver /esign Specificationshttp*55www.supercluster.org5silver5specoverview.shtmllocalhttp*55www.supercluster.org5silver5specoverview.shtmllocal

grid computing & grid schedulers

Documents