KSC 2018
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
EXT4 Àú³Î µ¥ÀÌÅÍ ºÐ¸®¸¦ ÅëÇÑ Open-Channel SSDÀÇ FTL °³¼± |
¿µ¹®Á¦¸ñ(English Title) |
Improving FTL of Open-Channel SSD by separating EXT4 journal data |
ÀúÀÚ(Author) |
¼Õ¼¼Èñ
ÀÌÁöÇö
¾È¼º¿ë
Se-hee Son
Ji-Hyun Lee
Sung-Yong Ahn
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¿ø¹®¼ö·Ïó(Citation) |
VOL 45 NO. 02 PP. 2065 ~ 2067 (2018. 12) |
Çѱ۳»¿ë (Korean Abstract) |
º» ³í¹®¿¡¼´Â Open-Channel SSD(OCSSD)ÀÇ FTL(Flash Translation Layer)¿¡¼ Àú³Î µ¥ÀÌÅ͸¦ ±× ¿ÜÀÇ ÀÏ¹Ý µ¥ÀÌÅÍ¿Í ¹°¸®ÀûÀ¸·Î ºÐ¸®ÇÏ¿© Garbage Collection(GC)ÀÇ ¿À¹öÇìµå¸¦ ÁÙÀÌ´Â °ÍÀ» ¸ñÇ¥·Î ÇÏ¿´´Ù. Àú³Î µ¥ÀÌÅͶõ ÆÄÀÏÀÌ º¯°æµÉ ¶§¸¶´Ù ÆÄÀÏ ½Ã½ºÅÛ¿¡ ±â·ÏÇÏ´Â ·Î±× µ¥ÀÌÅÍÀÌ´Ù. Àú³Î µ¥ÀÌÅÍ´Â ÀÏ¹Ý µ¥ÀÌÅÍ¿Í »ç¿ë ÆÐÅÏÀÌ ´Ù¸£¹Ç·Î ¼·Î ºÐ¸®ÇÔÀ¸·Î½á GC µ¿ÀÛ Áß ºÎ°¡ÀûÀÎ µ¥ÀÌÅÍ À̵¿(Write Amplification)À» ÁÙÀÏ ¼ö ÀÖ´Ù. WA °ªÀ» ³ªÅ¸³½ ÁöÇ¥ÀÎ Write Amplification Factor(WAF)·Î Àú³Î µ¥ÀÌÅÍ ºÐ¸® ½Ã½ºÅÛÀÇ ¼º´ÉÀ» Æò°¡ÇÏ¿´´Ù. 100GB write ¸¦ 4 ¹ø ¹Ýº¹ÇÑ °á°ú ±âÁ¸ ½Ã½ºÅÛÀº WAF °¡ 4.02 ÀÌ°í Àú³Î µ¥ÀÌÅÍ ºÐ¸® ½Ã½ºÅÛÀº WAF °¡ 2.65 ·Î ³ªÅ¸³µ´Ù. ÀÌ °á°ú¸¦ ÅëÇØ Àú³Î µ¥ÀÌÅ͸¦ ºÐ¸®ÇÏ¿© GC Overhead ¸¦ ÁÙÀÏ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´´Ù. |
¿µ¹®³»¿ë (English Abstract) |
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Å°¿öµå(Keyword) |
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