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(w??eEu{; kn5Nnl7!Vi5(Бp wIfOe.&uvʮ}6~/-z,LM=\ 4n~׺Yzg66SN[ . w⠏r[{niYa1ta)3WKc7|Ns7 ,mY mt2sEuk7bq$aKUaIZ4h)V5U'>A#vNRs[+^;jD}kxY3Qv,M,OQR$A1\</Wi"h iRI@(梒><`r,e6j}]+Ӻk 읩5QÓT[IEQ<5B̨}!Zͼ)klDAAfTuW@ T09w1$ :sG;j?w=AV-?{ _FOw슬C#jLwuO61:a`'=/`AQ9-bjZib88]s̐,km *=,( FK.jH$Xƕ:4=j Wˬ qu}f.f|GqMUޝQ=~,$3cTQVIҴS$2ּ:ZG2TUб HhFcF@#MbjZP3ƤPҹU _❵[_Z֞q;_꾊~ײ2p?nvn%yyUjZp8IjyegFQ_6X< *i ڒ$FÁ;on,,2Y{UREh EĊJ.dw$gI'{_Nblj0?`/u{{^׺u{{^׺u{{^׺u{{^׺u{{^׺u{{^׺u{{^׺u{{^׺u{{^׺u{{^׺u@ 0H@n@d a .  @n?" dd@  @@`` P   !; QQRS{C Q Qk ;+ ;+?$P$PR$ P߶\\y*4|DP# lAA8c? ;6;df@@  uʚ;2Nʚ;g4ududn`0ppp@ <4!d!dgʚ;<4ddddgʚ;<4ddddgʚ;(___PPT10fhX  iH___PPT9f0h  ih___PPT2001D<4X ___PPTMac11 @f   hnamd` Arial&Monotype Typography    hnamd` Arial&Monotype Typography    hnamd` Arial&Monotype Typography    hnamd` Arial&Monotype Typography    hnamd` Arial&Monotype Typography    hnamd` Arial&Monotype Typography Df ,namd$ Helvetica h ,namd$ Helvetica;;66  ,namd$ Helvetica;;66  ,namd$ Helvetica;;66 it ,namd$ Helvetica;;66  ,namd$ Helvetica;;66  ,namd$ Helvetica;;66  ,namd$ Helvetica;;66 ? % gGroup Discussion  fTopics for DiscussionMvgES futures Scheduling / provisioning vgDL discussion (Ryan) Fault tolerance: ' ' Nh vgES Futures ,Current system Submit vgDL, match against resources, try in order and return first/best Bind immediately (for dedicated resources) (or start sharing) New Submit request with times Return  resource chart to schedule into With other info, e.g. probability (QOS issue) All bounds are in some sense probabalistic Upcalls whenever a resource comes on-line (maybe ahead of schedule) Reschedule (potentially) at every upcall Always need to have dynamic scheduling option built in Really complicated decision of how to construct the vgDL nowCYD`=I>  )YD)  7$$=(( iMore vgES Futures Building the vgDL Ala EMAN - try several shapes, figure out the best shape, return Here - schedule  fuzzy things (bag of small nodes), then grab the big cluster  I want to make your job harder (Ken) - hide the jitter in start time Given reservations and queue predictions, try limited number of assumptions (e.g. 4), submit jobs for those points - use stats to give some bounds If shcedule earlier slips, adjust VG request (all later requests are delayed) Ways to do this: provisioning / queue games in the vgES Tradeoff of specificty of sources (e.g. wrt data transfer costs) vs. jitter control (e.g. by flooding queues) AOG  N8n   qPLyonl1< 08  .,=>5/2347:- ` 33` Sf3f` 33g` f` www3PP` ZXdbmo` \ғq>9y`Ӣ` 3f3ff` 3f3FKf` hk]wwwfܹ` ff>>\`Y{ff` R>&- {p_/̴>?" dU@ <6?" 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