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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Á¤º¸°úÇÐȸ³í¹®Áö (Journal of KIISE)

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ½Ç½Ã°£ °ø°£ ºòµ¥ÀÌÅÍ ½ºÆ®¸² ºÐ»ê 󸮸¦ À§ÇÑ ºÎÇÏ ±ÕÇüÈ­ ¹æ¹ý
¿µ¹®Á¦¸ñ(English Title) Load Balancing for Distributed Processing of Real-time Spatial Big Data Stream
ÀúÀÚ(Author) À±¼ö½Ä   ÀÌÀç±æ   Susik Yoon   Jae-Gil Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 44 NO. 11 PP. 1209 ~ 1218 (2017. 11)
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(Korean Abstract)
ÃÖ±Ù ½º¸¶Æ® ÀÚµ¿Â÷, ½º¸¶Æ®Æù°ú °°Àº ´Ù¾çÇÑ ¼Ò½º·ÎºÎÅÍ °ø°£ ºòµ¥ÀÌÅÍ ½ºÆ®¸²À» ¼öÁýÇÏ´Â °ÍÀÌ ¸Å¿ì ¿ëÀÌÇØÁ³´Ù. °ø°£ µ¥ÀÌÅÍ ½ºÆ®¸²Àº ÆíÁßµÇ°í µ¿ÀûÀ¸·Î º¯È­ÇÏ´Â ºÐÆ÷¸¦ Áö´Ï±â ¶§¹®¿¡ Àüü ºÎÇÏ°¡ ºÐ»ê Ŭ·¯½ºÅÍ ³»ÀÇ ÀÛ¾÷Àڵ鿡°Ô È¿À²ÀûÀ¸·Î ºÐ¹èµÇÁö ¾ÊÀ» °æ¿ì Àüü ½Ã½ºÅÛÀÇ ¼º´ÉÀÌ ÀúÇϵȴÙ. º» ¿¬±¸¿¡¼­´Â °ø°£ µ¥ÀÌÅÍ ½ºÆ®¸²¿¡ ƯȭµÈ ºÎÇÏ ±ÕÇüÈ­ ¾Ë°í¸®ÁòÀÎ ÀûÀÀÀû °ø°£ Å° ±×·ìÇÎ(ASKG)À» Á¦¾ÈÇÑ´Ù. ASKGÀÇ ÇÙ½É ¾ÆÀ̵ð¾î´Â °ø°£ µ¥ÀÌÅÍ ½ºÆ®¸²ÀÇ ÃÖ±Ù ºÐÆ÷¸¦ ÇнÀÇÏ°í À̸¦ ±â¹ÝÀ¸·Î ÇâÈÄ À¯ÀԵǴ µ¥ÀÌÅÍ ½ºÆ®¸²ÀÌ °¢ ÀÛ¾÷ÀÚ¿¡°Ô °í¸£°Ô ºÐ¹èµÇµµ·Ï ÇÏ´Â »õ·Î¿î ±×·ìÇÎ ½ºÅ°¸¶¸¦ Á¦¾ÈÇÏ´Â °ÍÀÌ´Ù. À̸¦ °ø°£ ºÐÆ÷ÀÇ º¯È­¿¡ ¸ÂÃç ÁÖ±âÀûÀ¸·Î ¹Ýº¹ÇÔÀ¸·Î¼­ ÀûÀÀÀûÀ¸·Î ºÎÇÏ ºÒ±ÕÇüÀ» ÇØ°áÇÒ ¼ö ÀÖ´Ù. ½ÇÁ¦ µ¥ÀÌÅͼ¿¡ ´ëÇØ ÀÛ¾÷ÀÚÀÇ ¼ö, ÀÔ·Â ¼Óµµ, °ø°£ ÁúÀÇ Ã³¸® ½Ã°£À» º¯È­½ÃÅ°¸ç ¼º´ÉÀ» Æò°¡ÇÑ °á°ú, ´ë¾È ¾Ë°í¸®Áò ´ëºñ Á¦¾È ¹æ¹ýÀÌ ºÎÇÏ ºÒ±ÕÇü, 󸮷®, Áö¿¬ ½Ã°£¿¡¼­ ³ôÀº °³¼±È¿°ú¸¦ º¸¿´´Ù.
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(English Abstract)
A variety of sensors is widely used these days, and it has become much easier to acquire spatial big data streams from various sources. Since spatial data streams have inherently skewed and dynamically changing distributions, the system must effectively distribute the load among workers. Previous studies to solve this load imbalance problem are not directly applicable to processing spatial data. In this research, we propose Adaptive Spatial Key Grouping (ASKG). The main idea of ASKG is, by utilizing the previous distribution of the data streams, to adaptively suggest a new grouping scheme that evenly distributes the future load among workers. We evaluate the validity of the proposed algorithm in various environments, by conducting an experiment with real datasets while varying the number of workers, input rate, and processing overhead. Compared to two other alternative algorithms, ASKG improves the system performance in terms of load imbalance, throughput, and latency.
Å°¿öµå(Keyword) °ø°£ µ¥ÀÌÅÍ ½ºÆ®¸²   ºÎÇÏ ±ÕÇüÈ­   ½ºÆ®¸² 󸮠  ºÐ»ê ½ºÆ®¸² ó¸® ½Ã½ºÅÛ   spatial data stream   load balancing   stream processing   distributed stream processing system  
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