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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö ÄÄÇ»ÅÍ ¹× Åë½Å½Ã½ºÅÛ

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Current Result Document : 3 / 4

ÇѱÛÁ¦¸ñ(Korean Title) ¼­¹ö Ŭ·¯½ºÅÍ È¯°æ¿¡¼­ ¿¡³ÊÁö Àý¾àÀ» À§ÇÑ ¼­¹ö Àü¿ø ¸ðµå Á¦¾î¿¡¼­ÀÇ µ¿Àû Á¾·á
¿µ¹®Á¦¸ñ(English Title) Dynamic Shutdown of Server Power Mode Control for Saving Energy in a Server Cluster Environment
ÀúÀÚ(Author) ±èÈ£¿¬   ÇÔġȯ   °ûÈı٠  Á¤±Ô½Ä   Hoyeon Kim   Chihwan Ham   Hukeun Kwak   Kyusik Chung  
¿ø¹®¼ö·Ïó(Citation) VOL 02 NO. 07 PP. 0283 ~ 0292 (2013. 07)
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(Korean Abstract)
±âÁ¸ ¼­¹ö Ŭ·¯½ºÅÍ¿¡¼­´Â °í¼º´ÉÀ» º¸ÀåÇϱâ À§ÇØ, ½Ç½Ã°£ ¿äû ¼ö·®¿¡ °ü°è¾øÀÌ ¸ðµç ¼­¹ö¸¦ Ç×»ó On ÇÑ´Ù. ±× ¹æ¹ý¿¡¼­´Â QoS¸¦ º¸ÀåÇÏÁö¸¸ ÀϺΠ¼­¹öµéÀÌ IdleÇÒ ¶§ ¼­¹ö Àü·ÂÀ» ³¶ºñÇÏ°Ô µÈ´Ù. ¼­¹öµéÀÌ ¼Ò¸ðÇÏ´Â ¿¡³ÊÁö¸¦ Àý¾àÇϱâ À§ÇØ, ¼­¹ö°¡ ÇÊ¿äÇÏÁö ¾ÊÀ» °æ¿ì ÇØ´ç ¼­¹öÀÇ Àü·ÂÀ» Off ÇÏ°Ô ÇÏ´Â ¼­¹ö Àü·Â Á¦¾î ¹æ¹ýÀÌ Á¦¾ÈµÇ¾ú´Ù. ¼­¹ö Àü·Â Á¦¾î ¹æ¹ýÀº ¼­¹öÀÇ Power°¡ ½ÇÁ¦·Î ¾î´À ½ÃÁ¡¿¡ Off µÇ´À³Ä¿¡ µû¶ó Á¤ÀûÀÎ ¹æ¹ý°ú µ¿ÀûÀÎ ¹æ¹ýÀÌ ÀÖ´Ù. Á¤ÀûÀÎ ¹æ¹ý¿¡¼­´Â ƯÁ¤ ¼­¹ö°¡ Off Çϱâ·Î °áÁ¤µÈ ´ÙÀ½ ÀÏÁ¤ ½Ã°£ Áö¿¬ ÈÄ ±× ¼­¹ö°¡ Off µÈ´Ù. µ¿ÀûÀÎ ¹æ¹ý¿¡¼­´Â ±× ¼­¹ö¿¡¼­ ¼öÇàÁßÀÎ ¸ðµç ¼­ºñ½º°¡ Á¾·áµÈ ´ÙÀ½¿¡ ÇØ´ç ¼­¹ö°¡ Off µÈ´Ù. ÀÌ´Â °¡º¯ ½Ã°£ Áö¿¬ ÈÄ ¼­¹ö°¡ Off µÇ´Â ¹æ¹ý¿¡ ÇØ´çµÈ´Ù. Á¤Àû Á¾·á¹æ½ÄÀº ´ÜÁ¡ÀÌ ÀÖ´Ù. ¹Ýº¹ ½ÇÇèÀ» ÅëÇØ ¼öÀÛ¾÷À¸·Î ÃÖÀûÀÇ ½Ã°£ Áö¿¬À» ¾Ë¾Æ³»±â À§Çؼ­´Â ¸¹Àº ½Ã°£ÀÌ ¼Ò¿äµÈ´Ù. º» ³í¹®¿¡¼­´Â Á¤Àû Á¾·á ¹æ½ÄÀÇ ´ÜÁ¡À» ±Øº¹ÇÏ´Â µ¿Àû Á¾·á ¹æ½ÄÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ¹æ½ÄÀº ÃÖÀûÀÇ Áö¿¬ ½Ã°£À¸·Î ÀÚµ¿ÀûÀ¸·Î Á¢±ÙÇϹǷΠÁÁÀº Àü·Â Àý¾àÀ» Çϸ鼭 QoS¸¦ º¸ÀåÇÏ´Â °ÍÀ» °¡´ÉÇÏ°Ô ÇØÁØ´Ù. 30´ëÀÇ PC Ŭ·¯½ºÅ͸¦ ÀÌ¿ëÇÏ¿© ½ÇÇèÀÌ ¼öÇàµÇ¾ú´Ù. ½ÇÇè°á°ú´Â Á¦¾ÈÇÏ´Â µ¿Àû Á¾·á ¹æ¹ýÀÌ ±âÁ¸ÀÇ Á¤Àû Á¾·á ¹æ¹ý°ú ºñ±³ÇÒ ¶§ ¿¡³ÊÁö Àý°¨Ãø¸é¿¡¼­´Â ºñ½ÁÇÏÁö¸¸ QoS Ãø¸é¿¡¼­ ¿ì¼öÇÔÀ» º¸¿©ÁØ´Ù.
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(English Abstract)
In order to ensure high performance, all the servers in an existing server cluster are always On regardless of number of real-time requests. They ensure QoS, but waste server power if some of them are idle. To save energy consumed by servers, the server power mode control was developed by shutdowning a server when a server is not needed. There are two types of server power mode control depending on when a server is actually turned off if the server is selected to be off: static or dynamic. In a static mode, the server power is actually turned off after a fixed time delay from the time of the server selection. In a dynamic mode, server power is actually turned off if all the services served in the server are done. This corresponds to a turn off after a variable time delay. The static mdoe has disadvantages. It takes much time to find an optimal shutdown time manually through repeated experiments. In this paper, we propose a dynamic shutdown method to overcome the disadvantages of static shutdown. The proposed method allows to guarantee user QoS with good power-saving because it automatically approaches an optimal shutdown time. We performed experiments using 30 PCs cluster. Experimental results show that the proposed dynamic shutdown method is almost same as the best static shutdown in terms of power saving, but better than the best static shutdown in terms of QoS.
Å°¿öµå(Keyword) ºÎÇÏ ºÐ»ê   Á¤Àû Á¾·á   ±×¸°IT   Àü·ÂÀý°¨   ¼­¹ö Àü¿ø ¸ðµå Á¦¾î   QoS   µ¿Àû Á¾·á   Load Balancing   Static Shutdown   Green IT   Energy Saving   Server Power Mode Control   QoS   Dynamic Shutdown  
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