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Improving Cluster IO Performance with Remote Efficient Access to Distant Device

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(1)Improving Cluster IO Performance with Remote Efficient Access to Distant Device Olivier Cozette, Cyril Randriamaro, Gil Utard. To cite this version: Olivier Cozette, Cyril Randriamaro, Gil Utard. Improving Cluster IO Performance with Remote Efficient Access to Distant Device. [Research Report] RR-4401, LIP RR-2002-11, INRIA, LIP. 2002. �inria-00072187�. HAL Id: inria-00072187 https://hal.inria.fr/inria-00072187 Submitted on 23 May 2006. HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers.. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés..

(2) INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE. Improving Cluster IO Performance with Remote Efficient Access to Distant Device Olivier Cozette, LaRIA Cyril Randriamaro, LaRIA Gil Utard, INRIA. No 4401 March 2002. ISSN 0249-6399. ISRN INRIA/RR--4401--FR+ENG. ` THEME 1. apport de recherche.

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(139) ¹ª€;”!€(»k¾ v ˆˆkuƒ•vxŒ,i]¥ªƒx6~mlnƒ {~m1Šv!{~vnvIŒŒmftutvxŽŠ]Ä6imŽ‡ÊËzÌ<Í<Î1¤£twtumPŠ¯®‚hikm1{~vx²k¡¢mno&tuwklnl

(140) v ~¤Pmq{~ikm&Šz¤¢³SmPumPŽI{ ²wtwt~v —xm ²kwt. €(” €(».                   )  .   ,  , ,

(141) ,. ÊËzÌÍ Î.        =   )  . . hvx²k¡£mLoI¶‚hikm"Šz¤¢³SmPumPŽI{ ²wt6wt~v —ImPt hik¤©t;{~vx²k¡¢m&Œ¡¢mfv ~¡¢|Ytuikƒ!Ä t;Ä6ikmPum1¤©t{uikm"²SmŽmÆk{ ƒx¥½Ò¤¢~mPŒ{ r6mlnƒ {~m&½q¤©tu·Ñ6ŒŒmPt~t®.  . hikm«u¬ ²kwtLwt~v —xm¤£tL~mPŠzweŒmPŠ¯¶Y{uimŠkv {~v§ƒ ¥q¡£ƒzŒvx¡Šk¤£tu·Åt}{~umfv l Žkƒx{L¤£Ž±´xƒx¡£´xmfŠ ƒxLˆk~ƒzŠzwŒmfŠÅ²±|Õ{uim¡£ƒzŒvx¡ Œƒxlnˆkwk{~v!{~¤¢ƒIŽŒuƒ•tut({~ikm"«u¬µ²kwet6ƒxŽkm‹{~¤¢lnm"ƒxŽ¡¢|I¼±{uikm"²SmŽkmÆk{ ¤©t6m •wvx¡N{uƒ  B®. . . hikm~m"v ~m"¡¢mftut6ŒƒxŽ•{umPŽI{~¤¢ƒIŽ¨ƒxŽ{uikm>lLmPlnƒx~|Y²kwtP¶‚{~ikm&Škv!{,vnƒ ¥¡¢ƒzŒPv ¡<Šz¤©tu·t‰{u~mPv l9Žkƒ { ¤£Ž±´xƒI¡¢´ImPŠƒx6ˆk~ƒzŠzwŒmfŠ ²•|Y{uikm"¡£ƒzŒv ¡¯Œƒxlnˆkwz{,v!{~¤¢ƒIŽŠzƒIŽ {qŒ~ƒIt~tU{~ikm"lnmlnƒx~|

(142) ²kwtP¼z{~ikm"²emPŽkmƍ{ ¤£t6m •wv ¡N{~ƒ  B®. . . . »±ƒe¼k{ui¤£tq{}Ä(ƒ]lnvx¤¢ŽB—•v ¤£Žtqvx¡¢¡£ƒ!Ä t6wtq{uƒ]¤¢ŽŒumfvxtum1{uikm7l

(143) v!yz¤¢l7wkl ²v ŽeŠzÄ6¤£Šz{ui‡ƒx¥#Šk¤£tu·t‰{u~mPvxl9Ä6imŽB{~ikm>«u¬²kwt ¤©tn{uikmòeƒx{‰{u¡£mŽmPŒ,·N® Ñ;{]{uikmÃt~v lnm{u¤£lnm‡Ä;m‡—xm{YlLƒIumBlnmPlLƒIu|Å{u,v!ÐYŒ¥ªƒxY¡£ƒzŒvx¡qŒƒIlLˆwz{~v {u¤£ƒxŽ¯®  ƒ {~mB{uiev!{Y¥ªƒI v ˆˆk¡¢¤©Œv {u¤£ƒxŽtÄ6im~m  #¹ºm—

(144) t~Œv ŽS¾({uikmPum1¤©tŽkƒ

(145) —Ivx¤¢Ž¯®. . .- 0/ 8. !#8.

(146)    @. @. B. <. '92A<PH9804?:A80F   'F2.  (' . :=2AB. F. 8;:A80F. . Ó¸m‹mft}{~¤¢l

(147) v {um‹{uikm1²SmŽkmÆk{6ƒ ¥ ÊËzÌ<Í<Îq¥ªƒI;{uikm‹{u,v Žet‰ˆSƒItu¤À{~¤¢ƒIŽ¯®#hikm~m1v ~m {}Ä;ƒ7²SmŽkmÆk{~tP¶‚hikm‹Æ,t}{ƒxŽm‹¤©tv Ž¤¢ŽŒumfvxtum ƒ ¥{uim‹ˆSmPvx·]²vxŽŠzÄ6¤©Š±{uiBvIŒ,ik¤¢mP´!v ²k¡£mL¹ ]¾[¼{uikm&tumPŒƒxŽŠƒxŽm‹¤©t6v7¥ªumPm¤£Žk—nƒ ¥{uikm"lnmPlLƒIu|

(148) ²ev ŽŠzÄ6¤©Š±{~i¯® 㠝 ™AMè æ è› ç

(149) › 㠛œ!AMš&O ç š  › ºç S. M. €mPvx·‡²v ŽeŠzÄ6¤£Šz{uiÕ¤£t1~mPvIŒ,ikmPŠÃÄ6ikmŽ¸ƒxŽmL~mPtuƒxw~Œm¹DŒˆkw¯¼²kwtP¼¯Žkm{}Ä(ƒIu·k¾qumfvxŒ,ikmftÒ¤¢{~t1¡£¤£lL¤¢{P¼{uiev!{"¤£t >, ƒx >, ¶.  .  . . . ÓÔ¤À{~ikƒxwz{ÒÊËkÌ<ͯÎn¼.  "36). .  .       . ÓÔ¤À{~iBÊËkÌ<ͯÎn¼.  "36) .  .      = . é mPŽŒmI¼±{u,v ŽtuˆSƒItum‹l

(150) v y±¤£l>wlŠz¤©t‰·

(151) {~ik~ƒxwk—Iikˆkwz{ ¤©t¶ ÓÔ¤À{~ikƒxwz{ÒÊËkÌ<ͯÎx¼. .  36). . . ÓÔ¤À{~iBÊËkÌ<ͯÎx¼.  "36) . hikm1l

(152) v!„}ƒIu¤¢{}|

(153) ƒ ¥#v ,Œ,ik¤¢{umPŒ{uwk~mPtvItutuwklnm ÓÔ¤À{~ikƒxwz{ÒÊËkÌ<ͯÎn¼.  . ÓÔ¤À{~iBÊËkÌ<Í Î ¼. °(ƒxŽet‰¤©ŠzmnŒƒIlnlLƒIŽ¿²kwet7²ev ŽŠzÄ6¤©Š±{~i¯¼(¤£m ²vxŽŠzÄ6¤©Š±{uitqvxŒ,ik¤£m´!v ²¡¢m1v ~mx¶. .   . 

(154)  C!E

(155)  . . '.   . .  ,. . ƒI.     .   '    .   

(156) D

(157) C!E  . .   

(158) DÎ C1

(159) E   .  ' ­vxŽŠ    >¶ 

(160) D C!E B 

(161)  B 

(162) DC!

(163) E Î '<      Gx¼   ! #:# GvxŽŠ . . . . . # #:#ÆB¤£ˆtP¼‚ˆemfv ·. . ÓÔ¤À{~ikƒxwz{&ÊËzÌ<Í<ÎY¼1 #"" I,

(164) G$¹ºvxŒ,i¤¢mP´Qvx²k¡£m&Ä6¤À{~i‡{}Ä;ƒ]‘•’Y†"! !t‹Šz¤©t‰·zt,¾[¼!,   %:# I,

(165) G$&vxŽŠ‡Žm{}Ä;ƒx~· ~v {um‹¤£& t "" I,

(166) G$‹ˆSm6¡£¤¢Žk·¸¹ºŒwku~mŽ•{ †B|±~¤¢Žkm{6²v ŽŠkÄ6¤£Š±{~i¨¤£tq”x’x’I†"! !t(ˆemP6¡¢¤£Žk·k¾[®. . . 0. . . . ÓÔ¤À{~iÊËzÌ<Í<ÎH" I,

(167) G$7¹ºvIŒ,ik¤¢mP´!v ²k¡£mqÄ6¤¢{ui]{uik~mmґI’x†! tUŠz¤©tu·z¾¼ , F (' I,

(168) G$ vxŽŠ

(169) Žkm{}Ä(ƒIu·L,v!{umÒ¤£t " #) G$҈emP6¡¢¤£Žk·N®. . »±ƒ

(170) Šz¤£umfŒ[{6~mlnƒ {~m‹«u¬­¤¢lnˆk~ƒ!´xmft;²•|” * {uikm1{~~vxŽt‰ˆSƒItu¤¢{u¤£ƒxŽ~v {umx®. ,ã . . ç œ ä ™ š

(171) ž ç NM › ã NM › Dç M. . hikm¨lnmlnƒx~| ²kwtL¥ª~mmP¤¢Ž—§²±| ÊËkÌ<ͯΤ©t

(172) Šzm{~m~lL¤£ŽkmfŠ¿²±|  I® Ñqtn¤£Ž¿{~ikm¨ˆk~m´±¤¢ƒIwtnt‰mfŒ[{~¤¢ƒIŽ¯¼UÄ;mvItutuwklnm{uikm¨«u¬ ²kwt‹¤©t1tuv {uwk,v!{~mPŠ®"ÓÔ¤¢{ui ÊËzÌ<Í<Î ¼¯v ¡¢{uiƒxwk—Ii‡{uim7ˆSmPvx·B²v ŽŠkÄ6¤£Š±{~i§ƒx¥‚{uim7{~~vxŽtuˆeƒ•t‰¤¢{u¤£ƒxŽ‡¤©t‹¤¢ŽeŒ~mPvxtumx¼e{uimLlnmPlLƒIu| ²vxŽŠzÄ6¤©Š±{ui¨¤©t¡¢mftut6wet‰mfŠY{~iv Ž¨Ä6¤¢{uikƒIwz{ÒÊËzÌ<Í<Î ¶ ÓÔ¤À{~ikƒxwz{ÒÊËkÌ<ͯÎx¼ ""  G$1vxŽ" Š , F  %:# I,

(173) G$I®.  . . . . . . . Ó ¤À{~iBÊËkÌ<ͯÎx¼  G$1vxŽŠ", Ô  (' I,

(174) G$I® hikmL—Ivx¤¢Ž‡ƒx¥‚lnmlnƒx~|¨²v ŽŠkÄ6¤£Š±{~iä©t1v ²Sƒxwz{LoP’+*]®"hik¤©tq—•v ¤£Ž‡l

(175) vQ|¨²emLwtum7²±|Bv Žkƒx{uikmP‹vxˆkˆk¡£¤£ŒPv!{~¤¢ƒIŽ¯®‹hi¤£t‹Ä6¤£¡¢¡²Sm ¤£¡¢¡£wt‰{u,v!{umfŠ]¤£Ž{uikm"Žmy±{qt‰mfŒ[{~¤¢ƒIŽ¯®. !,!. TVUUNW X.

(176) . . 2 n¸ P%6 >$& Ò$> $1 & hƒ‹´!vx¡¢¤©Škv!{~m;{uikmˆk~m´±¤£ƒxwtlnƒzŠzm¡G¼!{uim{u,v Žtuˆeƒ•t‰¤¢{u¤£ƒxŽLv ˆkˆ¡¢¤©Œv {u¤£ƒxŽ>Ävxt¤£lnˆk¡¢mPlnmŽ•{umfŠ7Ä6¤¢{ui

(177) vxŽŠ>Ä6¤¢{uiƒxwz{UÊËzÌ<Í<΃xŽLv ¥ªƒxw‰Ç`ŽkƒzŠzmUÑq¡¢ˆkievqŒ¡£wt‰{umPP® é ¤¢—Ii&ˆSmu¥ªƒx~lnvxŽŒm‚Šk¤£tu·zt<Ä;m~m#ml7wk¡£v {umfŠ"²±|җI~vxˆkik¤©Œ#Œv ,ŠktP®hik¤©t<tu|zt}{~mlµŒ,iv ,vxŒ{umPu¤©t}{~¤£ŒPt v ~mx¶.  1¾;²vxŽŠzÄ6¤©Š±{ui¨lnmlnƒx~|

(178) ²kwtP®. . Ñ x ‘I’I†"! !t1¹.    ¾;²ev ŽŠzÄ6¤©Š±{~i€°(«(²kwet®.  . ÑÉo x’I†"! !t1¹. 0. Ñ ‡ † |•~¤£Žkm{"Žkm{}Ä(ƒIu·BŒvx~Š§Ä6¤¢{uiÕv²ev ŽŠzÄ6¤©Š±{~i§—Iumfv!{umP‹{uivxŽbof’x’x†! tqƒIŽÃmfvxŒ,i¸ŽkƒzŠzmx¼¯wet‰¤£Žk—{uikm

(179) t‰{~vxŽŠkv ,Š   † Œƒxlnl>wkŽ¤£ŒPv!{u¤£ƒxŽ¡£¤¢²k,v ~|  `®.  . . P¾[¼±ml7wk¡£v {umfŠ

(180) ²±|nv7†‡v!{~uƒQy   ” ’I’"—x,v ˆik¤£ŒPt. Ñik¤£—xi]tuˆSmmPŠ]Šz¤£tu·nÄ6¤À{~iv>²v ŽŠkÄ6¤£Š±{~i]—Iumfv!{umP#{uiev ŽI’x†"! !tÒ¹ Œv ,Š®. .  . .-0/. 1. '. 80D. . C <>DG<. :=B :=80F. . ÓÔ¤¢{uikƒIwz{ÒÊËzÌ<Í<Î ¼±{uim"¡¢ƒzŒvx¡N—x,v ˆkik¤©Œ‹Œv ,Š¸¹ºv ¡©tuƒLŒPv ¡£¡¢mfŠ

(181) ¥ª,v lnm²kwk³SmP,¾Uƍ,t}{6Ä6~¤À{~mPt6Škv {~v7¤¢Ž{~ikm1¡¢ƒzŒvx¡l

(182) v ¤£ŽlnmlnƒIu|I® hikmPŽ¿Škv!{,v‡v ~mYt‰{uƒx~mPŠÕ¤£Ž {~ikm]¡£ƒzŒv ¡(†B|±u¤£Žkm{nŒvx~Š¸lnmlnƒx~|§{uƒ‡²SmtumŽ•{>{~ƒB{uim]~mlnƒ {~m]†B|±u¤£Žkm{7Œvx~ŠÕlnmlnƒIu|I® hikmPŽ¨Šv!{~v

(183) vxum"t‰{uƒIumfŠ]¤£Ž¨{uikm"~mlnƒx{um"l

(184) v ¤£Ž¨lLmPlnƒx~|

(185) {uƒ

(186) ²Sm"{u,v Žet‰ˆSƒItumPŠ®‚him|vxum1ÆeŽv ¡£¡¢|]Ä6u¤¢{‰{~mŽB¤£Ž{~ikm&~mlnƒ {~m ¥ª,v lnm²kwk³SmPP® ÓÔ¤¢{uiÊËzÌͯΠ¼±Ä;m lnƒzŠz¤ÀÆemPŠ

(187) {~ikm҆‡|•~¤£Žkm{   †?t}{,v ŽŠv ,ŠLŒƒxlnl>wŽk¤£ŒPv!{~¤¢ƒIŽ

(188) ¡¢¤£²k,v ~|>{~ƒ>¡£m{U{~ikm ¥ª,v lnmP²kwz³Nm(vIŒŒmPt~t {uƒ>{uikm1†B|±~¤¢Žkm{(lnmlnƒIu|L²±|n½‹†‡Ñ>®±himÒ¡£ƒzŒv ¡¥ª~vxlnm²kwz³Nm;Ä6~¤À{~mPt;Škv!{,v&¤£Ž

(189) {uikm‹¡£ƒ±ŒPv ¡N†B|±u¤£Žkm{;Œvx~ŠnlnmPlLƒIu|L{~ƒ>²Sm tumŽ•{{~ƒq{~ikmumPlnƒ {um;†B|±u¤£Žkm{ŒPv ,Š"lnmlnƒx~|x®hikmŽnŠkv!{,vqvxum;t}{~ƒx~mPŠ&¤£Ž&{~ikmumPlnƒ {um(l

(190) v ¤£Ž>lnmlnƒx~|1{uƒ‹²SmU{~~vxŽt‰ˆSƒItumPŠ¯® hikmP|]v ~m‹ÆŽv ¡£¡£|YÄ6u¤¢{‰{~mŽ¨¤£Ž{~ikm"~mlnƒ {~mÒ¥ª,v lnmP²kwz³Nmf® hikmŒƒIŽI{~uƒI¡ ƒ!ÄŤ©tˆSmu¥ªƒx~lnmPŠ>²•|&{uikmˆk~ƒzŒmPt~tuƒx,t¯wtu¤¢Ž—ÒˆSƒ±ƒx¡£¤¢Žk—e®him;mPl>wk¡©v!{~mPŠ7Šz¤£tu·&²vxŽŠzÄ6¤©Š±{uiL¤©tŒƒxŽ•{u~ƒx¡£¡£mPŠ ²±|YÄv ¤¢{u¤£Žk—n¡¢ƒ±ƒxˆet®. +. . . .-(,. '. . < 2580DG<. :=B#C.  3<. @9C :. . Ó¸m&lnmPvxtuwk~mPŠ]{uikm&{u,v Žtuˆeƒ•t‰¤¢{u¤£ƒxŽ¨Škv {~vnmykŒ,ivxŽk—xm‹,v!{um1¥ªƒIqŠz¤¢³SmPumPŽ•{qŠz¤£tu·]²ev ŽŠzÄ6¤©Š±{~it¼eÄ6¤À{~i‡v ŽŠÄ6¤¢{uikƒIwz{‹ÊËzÌͯΠ® hikmPŽ¯¼ {~ikm tuvxlnm;lnmfvxtuwkumPlnmŽ•{~tÄ;m~m(mft}{,v ²k¡£¤©t‰ikmfŠ>Ä6¤¢{uiYvxŽLvIŠkŠz¤¢{u¤£ƒxŽvx¡kv ˆkˆ¡¢¤©Œv {u¤£ƒxŽLuwkŽŽk¤¢Ž—1ŒƒxŽŒwk~umPŽI{~¡¢|I®<Ï#yzˆSm~¤ÀÇ mŽeŒm;umft‰wk¡¢{~t<¥ªƒxƒxŽm(ŽkƒzŠzmv ~m(Šk¤£tuˆk¡©vQ|xmPŠ&¤¢Ž ¤£—xwum k®rqvQÄňemP‰¥ªƒIul

(191) vxŽŒm‚ƒx¥k{uim;vx~Œ,ik¤¢{umfŒ[{~wkum(¤£tŽkƒx{vIŒ,ik¤£m´xmUlnvx¤¢Ž¡¢| ²SmPŒvxwtum‹ƒx¥{~ikm&tu|•ŽeŒ,ikuƒIŽk¤©tuv {u¤£ƒxŽYƒ!´Im~ikmPvIŠ

(192) ƒ ¥ƒxwk6¤£lnˆk¡£mlnmŽ•{~v {u¤£ƒxŽ¯® é ƒ!Ä(mP´xmf¼±Ä(m1—Im{qtu¤¢—IŽk¤ÀÆSŒv Ž•{¤¢lnˆk~ƒ!´xmPlnmŽ•{P¶. /. . . ÓÔ¤À{~ikƒxwz{(ÊËkÌ<ͯÎI¼ {~ikmqŒƒIŽtuwklnmPŠLŠz¤£tu·>,v!{~m6¤£t‚¡¢¤£ln¤À{~mPŠL{uƒ 1†"! !tÄ6ik¤£¡¢m {uikm vx¡¢¡£ƒ!Ä(mfŠ7Šk¤£tu·>,v!{~m Œv ŽL¤£ŽŒ~mPvIt‰mI® «ÈŽ]¥ºvIŒ[{P¼ev Ž¨v ¡£¡¢ƒ!Ä;mPŠŠz¤£tu·],v!{~m1—x~mPv!{~m({uivx Ž n" † ! !t—I¤¢´ImPt;Žkƒnlnƒx~m‹¤£lnˆk~ƒ!´xmlnmPŽI{f®. . . ÓÔ¤À{~iBÊËkÌ<ͯÎI¼Šz¤©t‰·]~v {um&ŒƒIŽtuwklnmPŠƒ!´xm6Šz¤©tu·],v!{um"vx¡¢¡£ƒ!Ä(mfŠ],v!{~¤¢ƒL¤©t v ¡£Ä;vQ|zt;—x,v!{~m;{uiev Ž{uikm>~v {u¤£ƒ7ƒI²z{~vx¤¢ŽkmfŠ Ä6¤À{~ikƒxwz{

(193) ÊËzÌ<Í<Îx®¸«ÈŽ¿vxŠŠz¤À{~¤¢ƒIŽ¯¼UhikmŠz¤©t‰·Õ,v!{umŒƒIŽt‰wlLmfŠ ~mPvxŒ,imPE t Ã" † ! !t>Ä6ikmŽ¿{uikm¨v ¡£¡£ƒ!Ä(mfŠ Šz¤£t~ŒY,v!{~m m •wv ¡©I t n" † ! !tP®. . . . »±ƒe¼ÊËzÌ<ͯ΋{,v ·ImPt6vL—x~mPv {um6vIŠz´!v Ž•{~vx—xm‹ƒ ¥<{~ikm&v ¡£¡£ƒ!Ä(mfŠ]Šz¤©t‰·~v {umI® Ñ*t‰mfŒƒxŽeŠmyzˆSm~¤¢mPŽŒm¸¤£ŽI{~uƒzŠzweŒmPt]{uim¸myzmPŒwk{u¤£ƒxŽ ƒx¥7v ŒƒxŽeŒwk~umPŽ•{v ˆˆk¡¢¤©Œv {u¤£ƒxŽÄ6i¤£Œ,i um Iw¤¢~mPtƒxŽk¡£|Ôl

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