| Âê̾ | Hadoop¤ΥΡ¼¥ɺï½ü»þ¤Υì¥ץꥫ¤ι⮲½¼êˡ¤ÎÄó°Æ |
| Ãø¼Ô | *Æü³« īÈþ (¤ªÃã¤οå½÷»ÒÂç³Ø), ÃÝ˼ ¤¢¤ĻÒ, ÃæÅÄ ½¨´ð (»º¶ȵ»½ÑÁí¹縦µæ½ê), ¾®¸ý ¿Í (¤ªÃã¤οå½÷»ÒÂç³Ø) |
| Page | pp. 1145 - 1151 |
| Keyword | HDFS, ¥ì¥ץꥫ, ¥Ρ¼¥ɺï½ü |
| Abstract | Â絬Ìϥǡ¼¥¿¤ËÂбþ¤·¤¿½èÍý¥·¥¹¥ƥà¤Ȥ·¤ơ¤ÈÆÍѤʥϡ¼¥ɥ¦¥§¥¢¤òÍѤ¤¤ƹâÅ٤ʽ¸Ìó½èÍý¤ò¹Ԥ¦ʬ»¶¥ե¡¥¤¥륷¥¹¥ƥà¤ËÃíÌܤ¬½¸¤ޤäƤ¤¤롥Ëܸ¦µæ¤Ǥϡ¤Apache Hadoop¤δðÈ»½ѤǤ¢¤ëHadoop Distributed File System (HDFS)¤ËÃåÌܤ·¤¿¡¥Hadoop¤ϥ¹¥±¡¼¥륢¥¦¥Ȥ¹¤륷¥¹¥ƥà¤Ǥ¢¤ꡤ¥·¥¹¥ƥ൬ÌϤ˱þ¤¸¤¿±¿ÍѤä¸ξã¤Îȯ¤ʤɤˤè¤ꡤ¥Ρ¼¥ɤòæÂप¤è¤Ӻï½ü¤¹¤뤳¤Ȥ¬ÁÛÄꤵ¤ì¤롥HDFS¤ǤÏÄ̾ïʣ¿ô¤ÎDataNode¾å¤Ëʣ¿ô¤Υì¥ץꥫ¤òÊݻý¤·¡¤¥Ρ¼¥ÉæÂà»þ¤ª¤è¤Ӻï½ü»þ¤ˤϾ¤ΥΡ¼¥ɤ˥ì¥ץꥫ¤ò¼«ưŪ¤Ë¤¹¤롥¤³¤βáÄø¤¬Ĺ¤¯¤ʤë¤ȰìÉô¤ÎDataNode¤ËÉé²٤¬³ݤ«¤ꥹ¥롼¥ץåȤ¬Ä㲼¤·¤Ƥ·¤ޤ¦¤¿¤ᡤ¤½¤ι⮲½¤¬½ÅÍפǤ¢¤롥ËܹƤǤϡ¤¥Ρ¼¥ɺï½ü»þ¤ËÃíÌܤ·¤ÆÉÔʬ¤òÊ䤦¥ì¥ץꥫ½èÍý¤ò¹â®²½¤¹¤ë¸æ¼êˡ¤òÄó°Ƥ¹¤롥ͽÈ÷Ĵºº¤«¤顤¥ì¥ץꥫ»þ¤Υǡ¼¥¿°Üư¤ˤÏÊФ꤬¤¸¡¤¸úΨ¤ÎÎɤ¤½èÍý¤¬¹Ԥï¤ì¤Ƥ¤¤ʤ¤¤³¤Ȥ¬ʬ¤«¤ä¿¡¥¤½¤³¤ǥì¥ץꥫÀ褪¤è¤Ó¸µ¤ò¸椹¤뤳¤ȤǤ½¤ÎÊФê¤ò²ò¾ä·¡¤½èÍý¤ò¹â®²½¤¹¤ë¸æ¼êˡ¤òÄó°Ƥ¹¤롥¸æ¼êˡ¤ˤè¤êÊФ꤬²ò¾äµ¤졤¥¹¥롼¥ץåȤ¬ºÇÂç59\%¸þ¾夹¤뤳¤Ȥ¹¡¥ |
| Âê̾ | Cassandra¤ˤè¤ë¥ǡ¼¥¿¥¢¥ե£¥˥ƥ£¤ò¹Íθ¤·¤¿ÊÂÎóʬ»¶½èÍý¤μÂÁõ |
| Ãø¼Ô | *ɩ¾Â ľ»Ò (¤ªÃã¤οå½÷»ÒÂç³Ø), ÃÝ˼ ¤¢¤ĻÒ, ÃæÅÄ ½¨´ð (»º¶ȵ»½ÑÁí¹縦µæ½ê), ¾®¸ý ¿Í (¤ªÃã¤οå½÷»ÒÂç³Ø) |
| Page | pp. 1152 - 1156 |
| Keyword | Apache Cassandra, ʬ»¶KVS, ÊÂÎóʬ»¶½èÍý, ¥ǡ¼¥¿¥¢¥ե£¥˥ƥ£ |
| Abstract | ¥¯¥饦¥ɥ³¥ó¥ԥ塼¥ƥ£¥ÎȯŸ¤Ëȼ¤¤¡¤ÂçÎ̤ˤµ¤ì¤ë¥ǡ¼¥¿¤òÃßÀѤ·¡¤¹â®¤˽èÍý¤¹¤뤳¤Ȥ¬µá¤á¤é¤ì¤Ƥ¤¤롥¤³¤Τ褦¤ʽèÍý¤Ͻ¾Íè¤ÎRDBMS¤ǤÏƤ¤³¤Ȥ«¤顤ÂçÎ̤ˤµ¤ì¤ë¥ǡ¼¥¿¤ÎÃßÀѤˤÏʬ»¶KVS¤¬¡¤¹â®¤ʽèÍý¤ˤÏHDFS¤ʤɤÎʬ»¶¥ե¡¥¤¥륷¥¹¥ƥबÍѤ¤¤é¤ì¤Ƥ¤¤롥¤·¤«¤·¡¤ÃßÀѤ·¤¿ÂçÍÆÎ̥ǡ¼¥¿¤ò½èÍý¤¹¤뤿¤á¤ˤÏʬ»¶KVS¤«¤éʬ»¶¥ե¡¥¤¥륷¥¹¥ƥà¤˥ǡ¼¥¿¤òžÁʤ±¤ì¤Фʤ餺¡¤¤½¤Υ³¥¹¥Ȥ¬ÌäÂê¤Ȥʤ롥¤³¤ÎÌäÂê¤βò·è¤˸þ¤±¤ơ¤¥ǡ¼¥¿¤òÃßÀѤ·¤¿ʬ»¶KVS¾å¤ÇľÀܹ⮥ǡ¼¥¿½èÍý¤ò¹Ԥ¦¼êˡ¤òÄó°Ƥ·¡¤¼ÂÁ롥²桹¤ϴûȯɽ¸¦µæ¤ˤª¤¤¤ÆÂçÍÆÎ̥ǡ¼¥¿¤¦ʬ»¶KVS¤Ǥ¢¤ëApache Cassandra¤ò³Èĥ¤·¡¤¥ǡ¼¥¿¥¢¥ե£¥˥ƥ£¤ò¹Íθ¤·¤¿ÊÂÎó¥ǡ¼¥¿½èÍýµ¡¹½¤òÁȤ߹þ¤ó¤Ǥ¤¤롥ËܹƤǤϡ¤ÊÂÎó¥ǡ¼¥¿½èÍýµ¡¹½¤ÎÆäòÌ餫¤ˤ¹¤뤿¤ᡤ¥ǡ¼¥¿¤ÎÃßÀѤò¹Ԥ¤¤Ĥġ¤¹â®¥ǡ¼¥¿½èÍý¤ò¹Ԥ俾ì¹ç¤Îǽ¤ȡ¤½èÍý¤ÎÊФê¤Èǽ¤ÎÁê´ؤòĴºº¤·¤¿¡¥ɾ²è¤ꡤËܼÂÁõ¤ÏWriteÃæ¤αƶò¼뤳¤Ȥ¬³Îǧ¤Ǥ¡¤±ƶʤ¯¤¹¤뤿¤á¤ˤϽèÍý¤ÎÊФꤵ¤¯¤·¡¤½èÍý¤òôÅʤ¤¥Ρ¼¥ɤÎȯ¤òËɤ°¤³¤Ȥ¬¤è¤ê½ÅÍפǤ¢¤뤳¤Ȥ¬ʬ¤«¤ä¿¡¥ |
| Âê̾ | ¥ϡ¼¥ɥ¦¥§¥¢¥ª¥ե¥ɤˤè¤ëMapReduce¤ι⮲½ |
| Ãø¼Ô | *Ëܾ± Íø¼é, µÚÀî °ì¼ù (ÆüËÜÅſ®ÅÅÏÃ(³ô) NTT¥½¥եȥ¦¥§¥¢¥¤¥Υ١¼¥·¥ç¥ó¥¿) |
| Page | pp. 1157 - 1162 |
| Keyword | MapReduce, ¥ϡ¼¥ɥ¦¥§¥¢¥ª¥ե¥É, ¥á¥ˡ¼¥³¥¢, Hadoop |
| Abstract | Â絬Ìϥǡ¼¥¿¤ò½èÍý¤¹¤ë´ðÈפȤ·¤ơ¢MapReduce ¤ȸƤФì¤ëʬ»¶½èÍý¥ե졼¥à¥¥¯¤¬¹¤¯»Ȥï¤ì¤Ƥ¤Ƥ¤¤ë. MapReduce ¤ϡ¢¿¿ô¤Υµ¡¼¥Ф«¤éÊÂÎó¤˥ǡ¼¥¿¤òÆɤ߽¹¤뤳¤Ȥǡ¢I/O ¥ܥȥë¥ͥ寤ò¹îÉþ¤¹¤륢¡¼¥¥ƥ¯¥ã¤ȤʤäƤ¤¤뤳¤Ȥ¬ÆÃħ¤Ǥ¢¤ë. ¤·¤«¤·¡¢¥ǥ£¥¹¥¯¤ä¥ͥåȥ¥¯¤ι⮲½¤¬¿ʤळ¤Ȥǡ¢½¾ÍèÁÛÄꤷ¤Ƥ¤¤¿I/O ¥ܥȥë¥ͥ寤«¤éCPU ¥ܥȥë¥ͥ寤˰ܹԤ¹¤뤳¤Ȥ¬ͽÁۤµ¤ì¤ë. ¤½¤³¤ǡ¢ËÜÏÀʸ¤Ǥϡ¢¾Í襹¥¿¥ó¥¼¥ɤˤʤë¤Ǥ¢¤SSD ¤äInfinband ¤ʤɤι⮤ʥǥ£¥¹¥¯¤ä¥ͥåȥ¥¯¤òÍѤ¤¤¿¥٥ó¥ޡ¼¥¯¤òÄ̤¸¤ơ¢¼ºݤËI/O ¥ܥȥë¥ͥ寤«¤éCPU ¥ܥȥë¥ͥ寤Ȥʤ뤳¤ȼ¨¤·¡¢¤³¤ÎCPU ¥ܥȥë¥ͥ寤ò¹îÉþ¤¹¤ë¼êˡ¤Ȥ·¤ơ¢¥ϡ¼¥ɥ¦¥§¥¢¥ª¥ե¥ɤˤè¤ëMapReduce ¤ι⮲½¤òÄó°Ƥ¹¤ë. º£²ó¤ϡ¢Map ½èÍý¤ˤª¤±¤ë¥ǡ¼¥¿¤Υǥ·¥ꥢ¥饤¥¼¡¼¥·¥ç¥ѡ¼¥¹¤ª¤è¤ӥ¡¼¤ˤè¤륽¡¼¥Ȥò¼¹Ԥ¹¤ë²սê¤òTilera ¼ҤΥá¥ˡ¼¥³¥¢¥ץ¥åµ¥ܡ¼¥ɤ˥ª¥ե¥ɤ¹¤ë¥ץí¥ȥ¿¥¤¥פμÂÁõ¡¢ɾ²òÄ̤¸¤ơ¢ËÜÊý¼°¤Υե£¡¼¥¸¥ӥê¥ƥ£¤¹. |
| Âê̾ | ¹â®¥¹¥ȥ졼¥¸/¥ͥåȥ¥¯¤ˤè¤ëHadoop MapReduce¤Υ٥ó¥ޡ¼¥¯ |
| Ãø¼Ô | *µÚÀî °ì¼ù, Ëܾ± Íø¼é (ÆüËÜÅſ®ÅÅÏÃ(³ô) NTT¥½¥եȥ¦¥§¥¢¥¤¥Υ١¼¥·¥ç¥ó¥¿) |
| Page | pp. 1163 - 1170 |
| Keyword | Hadoop, MapReduce, SSD, Infiniband, ǽɾ²Á |
| Abstract | ¥ӥå°¥ǡ¼¥¿¤νèÍý´ðÈפȤ·¤ÆGoogle¤ˤè¤êÄó°Ƥµ¤줿MapReduce¤ȸƤФì¤ëʬ»¶½èÍý¥ե졼¥à¥¥¯¤¬¹¤¯ÍøÍѤµ¤ì¤Ƥ¤¤롥Æäˡ¤¥ª¡¼¥ץ¼¥¹¥½¥եȥ¦¥§¥¢¼ÂÁõ¤Ǥ¢¤ëHadoop¤ÏMapReduce¤Υǥե¡¥¯¥ȥ¹¥¿¥ó¥¼¥ɤȤʤê¤ĤĤ¢¤롥¸½¹ԤΥ³¥â¥ǥ£¥ƥ£¥µ¡¼¥С¼¾å¤ǤÎMapReduce¤μ¹ԤǤϡ¢¥ǥ£¥¹¥¯¤ä¥ͥåȥ¥¯¤ʤɤÎI/O¤¬¥ܥȥë¥ͥ寤Ȥʤꡢǽ¤¬Χ®¤µ¤ì¤륱¡¼¥¹¤¬¿¤«¤ä¿¤¬¡¤¥¹¥ȥ졼¥¸¤ä¥ͥåȥ¥¯¤ʤɤΥϡ¼¥ɥ¦¥§¥¢¤οʲ½¤¬¿ʤळ¤Ȥǡ¤I/O¤¬¹â®¤ˤʤë¤ȡ¤º£¸å¤ϥܥȥë¥ͥ寤ÏCPU¤˰ܹԤ¹¤뤳¤Ȥ¬¹ͤ¨¤é¤ì¤롥¤½¤³¤ǡ¤ËÜÏÀʸ¤ǤϹ⮤ʥ¹¥ȥ졼¥¸¡¿¥ͥåȥ¥¯¤òÍøÍѤ·¤¿MapReduce¤Υ٥ó¥ޡ¼¥¯¤ò¹Ԥ¤¡¤¥ܥȥë¥ͥ寤¬CPU¤˰ܹԤ¹¤뤳¤Ȥ¹¡¥¤µ¤é¤ˡ¤MapReduceÆâÉô¤γƼï´ðËÜŪ¤ʽèÍý¤˴ؤ·¤ƸÄÊ̤˥٥ó¥ޡ¼¥¯¤ò¼»ܤ·¡¤¸½¹ԤÎCPU¤¬½èÍý¤Ǥ¤ë¥ǡ¼¥¿¤νèÍý®Å٤òÌ餫¤ˤ·¤¿¡¥ |
| Âê̾ | ZipfʬÉ۷¿¤νèÍýÍá¤ËŬ¤·¤¿¥¹¥±¡¼¥륢¥¦¥ȼêˡ¤ˤª¤±¤뵭²±°è¶á»÷ŪºǾ®²½¤γÈĥ |
| Ãø¼Ô | *»³²¼ ¹â, ·ªÅÄ ¹°Ƿ, ¹âÅÄ ľ¼ù, Æî ÂóÌé, ÂÀÅÄ ¸¼£ (ÆüËÜÅſ®ÅÅÏóñ¼Ò/NTT¥ͥåȥ¥¯¥µ¡¼¥ӥ¹¥·¥¹¥ƥฦµæ½ê) |
| Page | pp. 1171 - 1179 |
| Keyword | ¥¹¥±¡¼¥륢¥¦¥È, Éé²Ùʬ»¶, ¥³¥¹¥ƥó¥ȥϥå·¥ó¥°, ¥饦¥ó¥ɥí¥ӥó |
| Abstract | ²桹¤ϡ¤¤³¤ì¤ޤǡ¤WWW¤ä¥ͥåȥ¥¯ÁõÃ֤θæ¤ËÍѤ¤¤é¤ì¤ë¥ǡ¼¥¿½èÍý¤ˤª¤¤¤ơ¤¾¯Î̤Υǡ¼¥¿¤ËÂçȾ¤νèÍýͽ¸Ã椹¤ë°ìÊý¤ǡ¤½èÍýÍáÉÑÅ٤¬Ä㤤¥ǡ¼¥¿¤¬ÂçÎ̤˸ºߤ¹¤ë¤褦¤ÊZipfʬÉ۷¿¤ÎÆäò»ý¤ĽèÍýÍá¤ËÂФ·¡¤¥µ¡¼¥ÐÉé²٤ÎÊФê¤ò°ìÄê°ʲ¼¤ËÊݤʤ¬¤顤¥µ¡¼¥ÐÂΤÇɬÍפʵ²±°è¤ζá»÷ŪºǾ®²½¤ò¼¸½¤¹¤ëÊýˡ¤òÄó°Ƥ·¤Ƥ¤¿¡¥¤³¤ì¤ޤǤÎÄó°ÆÊýˡ¤ϡ¤ÍáÉÑÅ٤ΰ㤤¤˱þ¤¸¤ơ¤¥饦¥ó¥ɥí¥ӥ饦¥ó¥ɥí¥ӥó¤ȥ³¥¹¥ƥó¥ȥϥå·¥Υϥ¤¥֥ê¥åɷ¿½èÍý¡¤¥³¥¹¥ƥó¥ȥϥå·¥λ°Ä̤ê¤νèÍýÊýˡ¤ò»Ȥ¤ʬ¤±¤륹¥±¡¼¥륢¥¦¥ȲÄǽ¤ÊÉé²Ùʬ»¶Êýˡ¤Ǥ¢¤롥ËÜÏÀʸ¤Ǥϡ¤ºǽé¤ˡ¤¤³¤ì¤ޤÇÄó°Ƥ·¤Ƥ¤¿Êýˡ¤¬¡¤½èÍýÍá¤˱þÅú¤¹¤뤿¤á¤ËɬÍפʥǡ¼¥¿¤Υµ¥¤¥º¤¬ʿ¶ÑŪ¤ËƱ°ì¤Ǥ¢¤ë¤Ȥ¤¤¦´ûÄó°Ƥξò·狼¤顤½èÍýÍá¤ÎÉÑÅ٤ËÂФ·¤ÆǤ°դÎÊѲ½¤ë¾ò·ï¤˳Èĥ²Äǽ¤Ǥ¢¤뤳¤Ȥ¹¡¥¼¡¤ˡ¤½èÍýÍá¤ÎÉÑÅ٤ËÈæÎ㤷¤¿¥ǡ¼¥¿¤ò´ÉÍý¤¹¤ëɬÍפ¬¤¢¤ë¾ò·ﲼ¤ˤª¤¤¤ơ¥¥·¥ߥå¥졼¥·¥ç¥ó¤ˤè¤ëɾ²ò¹Ԥ¤¡¤Éé²Ùʬ»¶¤ò¼¸½¤·¤ʤ¬¤顤µ²±°è¶á»÷ŪºǾ®²½¤ˤè¤ê´û¸µ»½ѤÈÈæ³Ӥ·¤ÆÂçÉý¤˵²±°è¤òº︺²Äǽ¤Ǥ¢¤뤳¤ȡ¤¤ª¤è¤ӡ¤¥µ¡¼¥д֤ε²±°襵¥¤¥º¤ÎÊФê¤ˤĤ¤¤Ƥâ¼ÂÍѾ彽ʬ¤ÊÈϰϤò¼¸½¤Ǥ¤뤳¤Ȥ¹¡¥ |