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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mއÊËzÌ<Í<Î1¤£twtumPН®‚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~mPŠzweŒmPН¶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{~¤¢ƒIލƒxŽ{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¤£ƒxޝ®  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{~¤¢ƒIޝ®#hikm~m1v ~m {}Ä;ƒ7²SmŽkmÆk{~tP¶‚hikm‹Æ,t}{ƒxŽm‹¤©tv ޤ¢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,ikmPŠÃÄ6ikmޏƒxŽ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¤£ƒxށ~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[{~¤¢ƒIޝ¼UÄ;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¤£ƒxއ¤©t‹¤¢ŽeŒ~mPvxtumx¼e{uimLlnmPlLƒIu| ²vxŽŠzÄ6¤©Š±{ui¨¤©t¡¢mftut6wet‰mfŠY{~iv ލÄ6¤¢{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!{~¤¢ƒIޝ®‹hi¤£t‹Ä6¤£¡¢¡²Sm ¤£¡¢¡£wt‰{u,v!{umfŠ]¤£Ž{uikm"Žmy±{qt‰mfŒ[{~¤¢ƒIޝ®. !,!. 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~ЧÄ6¤¢{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 ,Џ¹ºv ¡©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~Џlnmlnƒx~|§{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‰ˆSƒItumPН® hikmP|]v ~m‹ÆŽv ¡£¡£|YÄ6u¤¢{‰{~mލ¤£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¤£ƒxލŠkv {~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® hikmPޝ¼ {~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¤£ƒxޝ® 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 ލv ¡£¡¢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{~¤¢ƒIޝ¼UhikmŠz¤©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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