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dfltweb1.onamae.com â€“ ã“ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã¯ãŠåå‰.comã§å–å¾—ã•ã‚Œã¦ã„ã¾ã™ã€‚
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nobu666 2010/12/01
linux

io
ãƒªãƒ³ã‚¯
å¸°ã£ã¦ããŸ VMware ESXi ãƒ‡ã‚£ã‚¹ã‚¯ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ - daily dayflower
ä»¥å‰ VMware ESXi ã§å„ç¨®ãƒ‡ã‚£ã‚¹ã‚¯ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’ã¨ã£ã¦ã¿ãŸ - daily dayflower ã«ã¦VMware ESXi ã§å„ç¨®ï¼ˆãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ï¼‰ãƒ‡ã‚£ã‚¹ã‚¯ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’ã¨ã‚Šã¾ã—ãŸãŒã€æ®‹å¿µãªãŒã‚‰ 100Mbps ã‚¤ãƒ¼ã‚µãƒãƒƒãƒˆç’°å¢ƒã§ã®å®Ÿé¨“ã§ã—ãŸã€‚ ä»Šå›žã€GbE ç’°å¢ƒãŒæ•´ã£ãŸã®ã§æ”¹ã‚ã¦å„ç¨®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã‚’ãŠã“ãªã„ã¾ã—ãŸã€‚ ãŠã“ã¨ã‚ã‚Š ãŠã‚‚ã«ï¼ˆå‰å›žã¨åŒã˜ãï¼‰ä¸‹è¨˜ã®å‘½é¡Œã‚’æ¤œè¨¼ã™ã‚‹ãŸã‚ã«æ¸¬å®šã‚’ãŠã“ãªã„ã¾ã—ãŸã€‚ NFS ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã§ã‚‚ iSCSI ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ãƒ»LUN ãƒžãƒƒãƒ”ãƒ³ã‚°ã¨æ¯”ã¹ã¦éœè‰²ãªã„ï¼ˆã¨ã„ã„ãªï¼‰ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ç’°å¢ƒã§ã‚‚ãƒãƒ¼ã‚«ãƒ«ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ç’°å¢ƒã«æ¯”ã¹ã¦éœè‰²ãªã„ï¼ˆã¨ã„ã„ãªï¼‰ ãªãŠå‰å›žã¨æ¯”ã¹ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ãƒ”ãƒ¼ãƒ‰ä»¥å¤–ã«çµæ§‹ç’°å¢ƒãŒé•ã†ã®ã§*1å˜ç´”ã«çµæžœã‚’æ¯”è¼ƒã™ã‚‹ã“ã¨ã¯ã§ãã¾ã›ã‚“ã€‚ NAS è²·ã£ãŸã‚ˆï¼ ã˜ã¤ã¯ã¨ã£ãã«ã‚®ã‚¬ãƒ“ãƒƒãƒˆã‚¹ã‚¤ãƒƒãƒã¨ Celeron 44
nobu666 2010/03/10
vmware

io

benchmark
ãƒªãƒ³ã‚¯
SystemTapã§MySQLã®Disk I/Oã‚’åˆ†æžã™ã‚‹ - SH2ã®æ—¥è¨˜
å®Ÿé¨“ã‚¨ãƒ³ãƒˆãƒªã§ã™ã€‚ å‹•æ©Ÿ Oracleã®Statspack/AWRã§å–ã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«å˜ä½ã®Disk I/Oæƒ…å ±ã‚’ã€MySQLã§ã‚‚æŽ¡å–ã—ãŸã„ã€‚ã“ã‚Œã¯æ¬¡ã«ç¤ºã™ã‚ˆã†ãªãƒ‡ãƒ¼ã‚¿ã§ã™ã€‚ File IO Stats DB/Inst: ORA112/ORA112 Snaps: 6-7 ->Mx Rd Bkt: Max bucket time for single block read ->ordered by Tablespace, File Tablespace Filename ------------------------ ---------------------------------------------------- Av Mx Av Av Rd Rd Av Av Buffer BufWt Reads Reads/s (ms) Bkt Blks/Rd Writes Writes/s Wai
nobu666 2010/01/21
mysql

database

performance

io
ãƒªãƒ³ã‚¯
Why arenâ€™t you using ionice yet???
Why arenâ€™t you using ioniceÂ yet??? July 17, 2007 at 4:22 am Â· Filed under John's Rants I am surprised at how many people complain about IO responsiveness while multitasking, but have never heard of ionice(1). Most intermediate-level Linux users have heard of, or know how to use, the nice command. Well, ionice is like nice for the disk (nice on most Linux kernels only affects the CPU scheduler. So,
nobu666 2008/11/07
unix

linux

tips

io

shell
ãƒªãƒ³ã‚¯
1