[B! Btrfs] hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

hirose31 id:hirose31

Btrfsã«é–¢ã™ã‚‹hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

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Btrfs - ArchWiki
Btrfs Wiki ã‚ˆã‚Š: Btrfs ã¯ã€è€éšœå®³æ€§ã€ä¿®å¾©ã€ãŠã‚ˆã³ç°¡å˜ãªç®¡ç†ã«é‡ç‚¹ã‚’ç½®ããªãŒã‚‰ã€é«˜åº¦ãªæ©Ÿèƒ½ã‚’å®Ÿè£…ã™ã‚‹ã“ã¨ã‚’ç›®çš„ã¨ã—ãŸ Linux ç”¨ã®æœ€æ–°ã®ã‚³ãƒ”ãƒ¼ã‚ªãƒ³ãƒ©ã‚¤ãƒˆ(CoW)ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§ã™ã€‚è¤‡æ•°ã®ä¼æ¥ã§å…±åŒé–‹ç™ºã•ã‚ŒãŸ Btrfs ã¯ã€GPL ã«åŸºã¥ã„ã¦ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã•ã‚Œã¦ãŠã‚Šã€èª°ã‹ã‚‰ã®å¯„ä»˜ã‚‚å—ã‘ä»˜ã‘ã¦ã„ã¾ã™ã€‚ ãƒŽãƒ¼ãƒˆ: ä»–ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨åŒæ§˜ã«ã€Btrfs ã¯ç¶™ç¶šçš„ã«é–‹ç™ºä¸ã§ã™ã€‚ã“ã‚Œã¯ã€ç‰¹å®šã®æ©Ÿèƒ½ãŒã¾ã æ—¥å¸¸çš„ã«ä½¿ç”¨ã§ãã‚‹çŠ¶æ…‹ã«ãªã£ã¦ã„ãªã„å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ä½¿ç”¨äº‹ä¾‹ãŒå½±éŸ¿ã‚’å—ã‘ã‚‹å¯èƒ½æ€§ãŒã‚ã‚‹ã‹ã©ã†ã‹ã‚’ç¢ºèªã™ã‚‹ã«ã¯ã€Btrfs ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã® Status ã¨ã“ã®è¨˜äº‹ã® æ—¢çŸ¥ã®å•é¡Œ ã‚»ã‚¯ã‚·ãƒ§ãƒ³ã‚’ç¢ºèªã—ã¦ãã ã•ã„ã€‚ æº–å‚™ ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚¹ãƒšãƒ¼ã‚¹ã®ãƒ¦ãƒ¼ãƒ†ã‚£ãƒªãƒ†ã‚£ã«ã¤ã„ã¦ã¯ã€åŸºæœ¬çš„ãªæ“ä½œã«å¿…è¦ãª btrfs-progs ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã—ã¦ãã ã•ã„ã€‚ Btrfs ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†
hirose31 2014/08/11
Btrfs
ãƒªãƒ³ã‚¯
é©å‘½ã®æ—¥ã€…ï¼ FSãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯å¯¾æ±º
http://www.phoronix.com/scan.php?page=article&it em=ext4_btrfs_nilfs2&num=1 ãŸã¶ã‚“ã€ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆãƒ‘ãƒ©ãƒ¡ã‚¿ã§å‹è² ã—ã¦ã„ã‚‹ã®ã§ã€ext3ã¯writebackãƒ¢ãƒ¼ãƒ‰ã ã¨æ€ã†ã€‚ è¦ç´„ ãƒ»SQLiteãƒ†ã‚¹ãƒˆã¯ext3ãŒ20ç§’ã§çµ‚ã‚ã‚‹ã¨ã“ã‚ãŒã€ext4ã§ã¯870ç§’ã€btrfsã«è‡³ã£ã¦ã¯1472ç§’ã‚‚ã‹ã‹ã£ãŸ ãƒ»PostgreSQLã®pgbenchã®btrfs, XFSã¯å®Œèµ°ã§ããªã‹ã£ãŸ ãƒ»IOZone Write: ext3:107MB/s, ext4:131MB/s, Btrfs:89MB/s Read: ext3:202MB/s, ext4:219MB/s, Btrfs:93MB/s Btrfsé…ã„ãªï½ž ãƒ»Dbenchã¯ext3:100MB/s, ext4:32MB/s, Btrfs:46MB/s ã‚„ã¯ã‚Šã€ordered-mod
hirose31 2009/07/04
filesystem

benchmark

ext4

Btrfs
ãƒªãƒ³ã‚¯
é©å‘½ã®æ—¥ã€…ï¼ [linux-btrfs] btrfs vs ext4 benchmark
IBMã®ã‚µãƒ¼ãƒã§btrfsã¨ext4ã®ãƒ™ãƒ³ãƒã¨ã£ãŸã‚‰btrfsã¯ã‚¯ã‚½é…ã‹ã£ãŸãœã€‚ã¨ã„ã†è©±ã€‚ Hi, here are some tests on an IBM server with btrfs vs. ext4. Kernel: 2.6.29.1 Benchmark software: compilerbench with options -i 10 -r 30 CPU: Intel Xeon Quadcore E5310 Chipset: Intel 5000 Memory: 4 GB FB-DIMM DDR2-667 HDDs: 2x WD6400AAKS @ Raid0 Storage Controller: IBM Serveraid 8k btrfs Result: intial create total runs 10 avg 50.89 MB/s (user 0.85s s
hirose31 2009/04/09
ext4

Btrfs
ãƒªãƒ³ã‚¯
Linuxã®æ¬¡ä¸–ä»£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¯ã€Œãƒã‚¿ãƒ¼FSã€!? âˆ’ ï¼ IT
ã€Œext3ã¯â€¦â€¦å¤ãã¦é…ã„ã€‚æ¬¡ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®ext4ã‚‚åŸºæœ¬çš„ã«ext3ã¨åŒã˜å•é¡Œã‚’æŠ±ãˆè¾¼ã‚“ã§ã„ã‚‹ã€‚ext4ã§è§£æ±ºã•ã‚Œã‚‹ext3ã®æ¬ ç‚¹ã¯ä¸€éƒ¨ã«éŽãŽãªã„ã€ã€‚7æœˆ9æ—¥ã«Linux Foundation Japanã®ä¸»å‚¬ã§è¡Œã‚ã‚ŒãŸã‚·ãƒ³ãƒã‚¸ã‚¦ãƒ ã§è¬›æ¼”ã—ãŸç±³ã‚°ãƒ¼ã‚°ãƒ«ã®ã‚¢ãƒ³ãƒ‰ãƒªãƒ¥ãƒ¼ãƒ»ãƒ¢ãƒ¼ãƒˆãƒ³æ°ã¯ã€ã“ã†è©±ã—ã€ç¾åœ¨Linuxã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«èª²é¡Œã‚’æŠ±ãˆã¦ã„ã‚‹ã¨æŒ‡æ‘˜ã™ã‚‹ã€‚ Linuxã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«ã¯ã„ã‚ã„ã‚ã‚ã‚‹ãŒã€ç¾åœ¨æœ€ã‚‚åºƒãä½¿ã‚ã‚Œã¦ã„ã‚‹ã®ã¯ext2ã®å¾Œç¶™ã¨ã—ã¦é–‹ç™ºã•ã‚ŒãŸext3ã¨å‘¼ã°ã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã ã€‚è€éšœå®³æ€§ã®ã‚ã‚‹ã‚¸ãƒ£ãƒ¼ãƒŠãƒªãƒ³ã‚°ãƒ»ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦ã€ext3ä»¥å¤–ã«ã‚‚JFSã€ReiserFSã€XFSãªã©ãŒLinuxã§ã‚µãƒãƒ¼ãƒˆã•ã‚Œã¦ã„ã‚‹ãŒã€ã“ã‚Œã‚‰ã¯ãƒ‡ãƒ»ãƒ•ã‚¡ã‚¯ãƒˆãƒ»ã‚¹ã‚¿ãƒ³ãƒ€ãƒ¼ãƒ‰ã¨ã—ã¦åˆ©ç”¨ã•ã‚Œã¦ã„ã‚‹ext3ã«æ¯”ã¹ã‚‹ã¨ãƒžã‚¤ãƒŠãƒ¼ãªå˜åœ¨ã ã€‚ã€ŒXFSã¯ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¯è‰¯ã„ãŒã€ã‚µãƒãƒ¼ãƒˆãŒååˆ†ã§ã¯ãªã
hirose31 2008/07/11
linux

ext2

ext3

ext4

Btrfs
ãƒªãƒ³ã‚¯
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Btrfsã«é–¢ã™ã‚‹hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

Btrfs - ArchWiki

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