[B! server] yutamotyã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yutamoty id:yutamoty

serverã«é–¢ã™ã‚‹yutamotyã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (144)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ã‚µãƒ¼ãƒã®é›»æºã£ã¦å†—é•·åŒ–ã—ã¦ã¾ã™ã‹ï¼Ÿ - mikedaã®æ—¥è¨˜
å®Ÿã¯è‡ªåˆ†ã¯ã‚ã‚“ã¾ã—ã¦ãªã„ã§ã™ã€‚ ç†ç”±ã«ã¤ã„ã¦æ›¸ãã¨ã€‚ã€‚ã€‚ ä¾‹ãˆã°ã“ã‚“ãªãƒ©ãƒƒã‚¯ã€ã‚µãƒ¼ãƒãŒå‰æã§ã€ é›»æºã‚³ãƒ³ã‚»ãƒ³ãƒˆã¯2ç³»çµ±ã§ã€ãã‚Œãžã‚Œ25A(100V, 2.5kva)ã§ãƒ–ãƒ¬ãƒ¼ã‚«è½ã¡ã‚‹ ã‚µãƒ¼ãƒã¯å¹³å‡2A(100V, 0.2kva)ã®é›»åŠ›ã‚’æ¶ˆè²»ã™ã‚‹ ç‰‡ç³»20Aã§åˆè¨ˆ40Aã¾ã§ä½¿ã†ã¨ã—ã¦ã€ã‚µãƒ¼ãƒã¯20å°çªã£è¾¼ã¿ãŸã„ã€ã¨æ€ã£ãŸã¨ã™ã‚‹ã€‚ æœ€åˆã¯ã“ã†ã—ã¦ãŸã‚“ã§ã™ãŒã€ ã“ã‚Œã ã¨ç‰‡ç³»é›»æºã«éšœå®³ãŒã‚ã£ãŸæ™‚ã¨ã‹ã€ãƒŸã‚¹ã£ã¦ãƒ–ãƒ¬ãƒ¼ã‚«è½ã¨ã—ãŸæ™‚ã€ ã‚‚ã†ç‰‡ç³»ã«40Aã®å…¨é›»åŠ›ãŒã‹ã‹ã£ã¦å…±å€’ã‚Œã—ã¦ã€å…¨ã‚µãƒ¼ãƒãŒåœæ¢ã—ã¦ã—ã¾ã†ã€‚ ã§ã‚‚ã‚µãƒ¼ãƒæè¼‰æ•°ã‚’åŠåˆ†ã«ã™ã‚‹ã®ã¯ãŠé‡‘çš„ã«ãƒ ãƒªéŽãŽã‚‹ã€‚ â€»DCã¨èª¿æ•´ã—ã¦ç‰‡ç³»50kvaã¾ã§ä½¿ãˆã‚‹2ç³»çµ±ã«ã—ã¦ã‚‚ã‚‰ã£ã¦ã€å®ŸåŠ¹é›»åŠ›ãƒ™ãƒ¼ã‚¹ã®å¥‘ç´„ã«ã™ã‚‹ã¨ã‹ã€ã„ã‚ã„ã‚æ‰‹ã¯ã‚ã‚Šãã†ã ã‘ã©ã€‚ ã¨ã„ã†ã‚ã‘ã§ã€ ã“ã£ã¡ã®ã»ã†ãŒã¾ã ãƒžã‚·ã‹ã€ã¨æ¬¡ã¯ã“ã†ã—ã¾ã—ãŸã€‚ ã“ã‚Œã ã¨ç‰‡ç³»è½ã¡ã¦ã‚‚åŠåˆ†ã®ã‚µãƒ¼ãƒã¯ç”Ÿãæ®‹ã‚‹ã®ã§ã€ã‚µãƒ¼ãƒ“ã‚¹ã¯ç¶
yutamoty 2015/01/16
é‹ç”¨

server
ãƒªãƒ³ã‚¯
ã”æ³¨æ–‡ã¯ç›£è¦–è‡ªå‹•åŒ–ã§ã™ã‹ï¼Ÿ
ã€Žã”æ³¨æ–‡ã¯ç›£è¦–è‡ªå‹•åŒ–ã§ã™ã‹ï¼Ÿã€ Serf ã¨ Consul ã‚’ä½¿ã£ã¦é‹ç”¨ã‚’æ¥½ã—ãã™ã‚‹è©± Serf ã¨ã‹ Consul ã¨ã‹èžãã‘ã©ã€ã‚¤ãƒžã‚¤ãƒã‚ã‹ã‚‰ã‚“ï¼ã¨ã„ã†ç–‘å•ã¯ã‚ã‚Šã¾ã›ã‚“ã‹ã€‚ ã©ã®ã‚ˆã†ãªåƒãã‚’ã™ã‚‹ã®ã‹ã‚„ã€ä½¿ã„ã©ã“ã‚ã‚’ã€çš†ã•ã‚“ã¨å…±æœ‰ã—ãŸã„ãªã¨æ€ã£ã¦ã„ã¾ã™ã€‚ 1. ã¯ã˜ã‚ã« 2. åŸºæœ¬ç·¨ ãƒ» Serf ãƒ» Consul ãƒ» envconsul 3. å®Ÿè·µç·¨ ãƒ» API é€£æº 4. ã¾ã¨ã‚ July Tech Festa 2014 June 22, 2014, @ AITT Shinagawa, Tokyo, Japan #techfesta #jtf2014 Read less
yutamoty 2014/06/26
server

é‹ç”¨

ç›£è¦–
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒãƒ¼ã•ã‚“ã«æœ¬æ°—ã‚’å‡ºã—ã¦ã‚‚ã‚‰ã†ãŸã‚ã«æ†¶ãˆã¦ãŠããŸã„è¨å®šé …ç›®
cpuspeed ãŒã‚ªãƒ³ã ã¨.... â€” ã¯ã›ãŒãƒ¯ãƒ³ (@hasegaw) 2014, 5æœˆ 29 ãƒŸãƒ‰ãƒ«ã‚¦ã‚§ã‚¢ã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã‚’æ¸¬ã‚ã†ã¨æ€ã£ãŸã®ã§ã™ãŒ cpuspeed ãªã©ã®è¨å®šã‚’ãœã‚“ãœã‚“ã‚„ã£ã¦ã„ã¾ã›ã‚“ã§ã—ãŸã€‚ã€‚ã€‚ çµŒé¨“ä¸Šã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°éŽç¨‹ã§ã„ã˜ã‚ŠãŸããªã‚‹ã‚ˆã†ãªãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã‚’æ€ã„å‡ºã—ã¦ã¿ã¾ã™ã€‚ ãƒ‘ãƒ¯ãƒ¼ãƒžãƒã‚¸ãƒ¡ãƒ³ãƒˆã«é–¢ã™ã‚‹è¨å®šã¯ã‚ªãƒ•ã«ã™ã‚‹ UEFIã‚„BIOSã«ã¯ãƒ‘ãƒ¯ãƒ¼ãƒžãƒã‚¸ãƒ¡ãƒ³ãƒˆè¨å®šãŒã‚ã‚Šã¾ã™ãŒã€ã“ã‚Œã‚‰ã‚’ç„¡åŠ¹ã«ã™ã‚‹ã¨ãƒ—ãƒã‚»ãƒƒã‚µãªã©ãŒç„¡æ¡ä»¶ã§å®šæ ¼ã‚¯ãƒãƒƒã‚¯ã§èµ°ã‚Šç¶šã‘ã¾ã™ã€‚ãƒ”ãƒ¼ã‚¯æ€§èƒ½ã‚’é«˜ã‚ãŸã‚Šçž¬ç™ºåŠ›ã‚’ä¸Šã’ã‚‹ãŸã‚ã«ã¯ãƒ‘ãƒ¯ãƒ¼ãƒžãƒã‚¸ãƒ¡ãƒ³ãƒˆã¯ã‚ªãƒ•ã«ã—ã¾ã™ã€‚å½“ç„¶ãªãŒã‚‰ãƒ™ãƒ¼ã‚¹ã®æ¶ˆè²»é›»åŠ›ã‚„ãƒ•ã‚¡ãƒ³ã®é¨’éŸ³ã¯å¢—ãˆã¾ã™ãŒã€ã‹ã‚ã‚Šã«ã„ãã‚‰ã‹ãƒ”ãƒ¼ã‚¯æ€§èƒ½ã®å‘ä¸ŠãŒè¦‹è¾¼ã‚ã¾ã™ã€‚ Hyper Threading ã¯ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ãƒ¼ã¨ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã®ãƒˆãƒ¬ãƒ¼ãƒ‰ã‚ªãƒ• Hyper Threadingã¯ã€ãŸã¶ã‚“ã€ã‚³ã‚¢å†…ã§ãƒ‘ã‚¤ãƒ—ãƒ©ã‚¤ãƒ³ã‚’å–ã‚Šåˆã†ã‹ã‚‰
yutamoty 2014/06/03
server
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒã‚™ãƒ¼æœªçµŒé¨“è€…ã‹ã‚™ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ã‚±ã‚™ãƒ¼ãƒ ã‚’é€šã—ã¦çŸ¥ã£ãŸã‚µãƒ¼ãƒã‚™ãƒ¼ã®äº‹
23. ä¾‹ãˆã°ã“ã‚“ãªã‚³ãƒ¼ãƒ‰ 2011âˆ¼ # Â ã“ã®ä¸ã¯ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³å†…ã¨ã„ã†ä»®å®š try: # Â ãƒ—ãƒ¬ã‚¤ãƒ¤ãƒ¼ã®ä½“â¼’åŠ›ï¦Šã‚’æ¶ˆè²» player.consume_Ì²vitality() # Â ãƒ—ãƒ¬ã‚¤ãƒ¤ãƒ¼ã®çµŒé¨“å€¤ã‚¢ãƒƒãƒ— player.add_Ì²experience() except: # Â ã‚¨ãƒ©ãƒ¼èµ·ããŸã‚‰DBã‚’ãƒãƒ¼ãƒ«ãƒãƒƒã‚¯ transaction.rollback() else: # Â å•é¡Œãªã‘ã‚Œã°DBæ›´ï¤æ–°ã€‚çµŒé¨“å€¤ãŒå¢—ãˆã‚‹ã€‚ transaction.commit() ä½“åŠ›â†’KVS çµŒé¨“å€¤â†’DB â€»å®Ÿéš›ã®ã‚³ãƒ¼ãƒ‰ã¨ã¯ç•°ãªã‚Šã¾ã™ 24. ä¾‹ãˆã°ã“ã‚“ãªã‚³ãƒ¼ãƒ‰ 2011âˆ¼ # Â ã“ã®ä¸ã¯ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³å†…ã¨ã„ã†ä»®å®š try: # Â ãƒ—ãƒ¬ã‚¤ãƒ¤ãƒ¼ã®ä½“â¼’åŠ›ï¦Šã‚’æ¶ˆè²» player.consume_Ì²vitality() # Â ãƒ—ãƒ¬ã‚¤ãƒ¤ãƒ¼ã®çµŒé¨“å€¤ã‚¢ãƒƒãƒ— player.add_Ì²experience() excep
yutamoty 2014/02/10
server
ãƒªãƒ³ã‚¯
ScaleOut | Supership
2024å¹´4æœˆ1æ—¥ã‚ˆã‚Šã€Supershipæ ªå¼ä¼šç¤¾ã¯è¦ªä¼šç¤¾ã§ã‚ã‚‹Supershipãƒ›ãƒ¼ãƒ«ãƒ‡ã‚£ãƒ³ã‚°ã‚¹æ ªå¼ä¼šç¤¾ã«å¸åŽåˆä½µã•ã‚Œã¾ã—ãŸã€‚ åˆä½µã«ä¼´ã„ã€å˜ç¶šä¼šç¤¾ã§ã‚ã‚‹Supershipãƒ›ãƒ¼ãƒ«ãƒ‡ã‚£ãƒ³ã‚°ã‚¹ã¯ç¤¾åã‚’Supershipã«å¤‰æ›´ã—ã€æ–°ãŸãªçµŒå–¶ä½“åˆ¶ã‚’ç™ºè¶³ã—ã¾ã—ãŸã€‚æœ¬ä»¶ã«é–¢ã™ã‚‹è©³ç´°ã¯ã€ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹ã‚’ã”ç¢ºèªãã ã•ã„ã€‚ 2024å¹´4æœˆ1æ—¥ã‚ˆã‚Šã€Supershipæ ªå¼ä¼šç¤¾ã¯è¦ªä¼šç¤¾ã§ã‚ã‚‹Supershipãƒ›ãƒ¼ãƒ«ãƒ‡ã‚£ãƒ³ã‚°ã‚¹æ ªå¼ä¼šç¤¾ã«å¸åŽåˆä½µã•ã‚Œã¾ã—ãŸã€‚ åˆä½µã«ä¼´ã„ã€å˜ç¶šä¼šç¤¾ã§ã‚ã‚‹Supershipãƒ›ãƒ¼ãƒ«ãƒ‡ã‚£ãƒ³ã‚°ã‚¹ã¯ç¤¾åã‚’Supershipã«å¤‰æ›´ã—ã€æ–°ãŸãªçµŒå–¶ä½“åˆ¶ã‚’ç™ºè¶³ã—ã¾ã—ãŸã€‚ æœ¬ä»¶ã«é–¢ã™ã‚‹è©³ç´°ã¯ã€ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹ã‚’ã”ç¢ºèªãã ã•ã„ã€‚
yutamoty 2013/09/13
server

é‹ç”¨
ãƒªãƒ³ã‚¯
è‡ªå‹•éšœå®³å›žå¾©ã‚·ã‚¹ãƒ†ãƒ æœˆèªã®è©± - Cybozu Inside Out | ã‚µã‚¤ãƒœã‚¦ã‚ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ–ãƒã‚°
@ymmt2005 ã“ã¨å±±æœ¬æ³°å®‡ã§ã™ã€‚çŸã„å¤ä¼‘ã¿ã‹ã‚‰å¸°ã£ã¦ãã¾ã—ãŸã€‚ ä»Šå›žã¯ cybozu.com ã®ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ãƒ¼ã§é‹ç”¨ã‚’é–‹å§‹ã—ãŸè‡ªå‹•éšœå®³å›žå¾©ã‚·ã‚¹ãƒ†ãƒ ã€Œæœˆèªã€ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚éšœå®³ã«ã‚‚è‰²ã€…ã‚ã‚Šã¾ã™ãŒã€ä»Šå›žç´¹ä»‹ã™ã‚‹ã®ã¯ä»®æƒ³ãƒžã‚·ãƒ³ã®ãƒ›ã‚¹ãƒˆã‚µãƒ¼ãƒãƒ¼ã®ç‰©ç†éšœå®³ã‚’æ¤œå‡ºã—ã¦ã€ç¨¼åƒã—ã¦ã„ãŸä»®æƒ³ãƒžã‚·ãƒ³ã‚’äºˆå‚™ã®ãƒ›ã‚¹ãƒˆã«ç§»å‹•ã™ã‚‹ä»•çµ„ã¿ã§ã™ã€‚ æœˆèªã¯ã€ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ãƒ¼å…¨åŸŸã«åˆ†æ•£ã—ãŸã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆãŒå”èª¿å‹•ä½œã™ã‚‹ãƒ”ã‚¢ãƒ»ãƒ„ãƒ¼ãƒ»ãƒ”ã‚¢ (P2P)ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦ä½œã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ä»¥ä¸‹åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã®è©±é¡ŒãŒå¤šæ•°ã§ã¦ãã¾ã™ãŒã€ã¨ã¦ã‚‚é›£è§£ã¨ã„ã†ã‚ã‘ã§ã¯ãªã„ã®ã§ã€åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã®å…¥é–€è¨˜äº‹ã¨ã—ã¦ãŠæ¥½ã—ã¿ãã ã•ã„ã€‚ éšœå®³ã«ã©ã†å¯¾å‡¦ã™ã‚‹ã‹ éšœå®³å¯¾å¿œã®è‡ªå‹•åŒ– è¨è¨ˆã®ãƒã‚¤ãƒ³ãƒˆ ã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆé–“é€šä¿¡ éšœå®³ã®æ¤œå‡ºã¨å›žå¾© ãã®ä»–ã®æ©Ÿèƒ½ ã¾ã¨ã‚ éšœå®³ã«ã©ã†å¯¾å‡¦ã™ã‚‹ã‹ ç‰©ç†éšœå®³å¯¾ç–ã®åŸºæœ¬ã¯äºŒé‡åŒ–(å¤šé‡åŒ–)ã§ã™ã€‚ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚µãƒ¼ãƒãƒ¼ã®ã‚ˆã†ã«ãƒ‡ãƒ¼ã‚¿ã‚’æŒãŸãªã„ã‚µãƒ¼ãƒ
yutamoty 2013/09/09
server

é‹ç”¨
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒç”¨é€”ã§ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒž SSD ã¸èª¿åã«ä¹—ã£ã¦æ›¸ãè¾¼ã¿ã™ãŽã‚‹ã¨å£Šã‚Œã‚‹ã¨ã„ã†è©± - muraæ—¥è¨˜ (halfrack)
Crucial M500 ã® write endurance ãŒ 75TB ã—ã‹ç„¡ã„ã¨ã„ã†ã®ãŒè©±é¡Œã«ãªã£ã¦ã„ã¦ã€åŒã˜ã 75TB ã§ã‚ã‚‹ m4 ã‚’ã‚ã–ã¨è™å¾…ã—ã¦ã„ãŸãƒ›ã‚¹ãƒˆã¯ã©ã†ãªã£ãŸã®ã‹æ°—ã«ãªã£ã¦èª¿ã¹ã¦è¦‹ãŸã¨ã“ã‚ã€é¢ç™½ã„çµæžœãŒè¦³æ¸¬ã•ã‚ŒãŸã¨ã„ã†è©±ã€‚ çŸ³æ©‹ã‚’å©ã„ã¦å£Šã—éšœå®³æ™‚ã®æŒ™å‹•ã‚’è¦‹ã‚‹ã¹ãã€Œè‡ªç¤¾å…¨ã‚µãƒ¼ãƒ“ã‚¹ã®ã‚¢ã‚¯ã‚»ã‚¹ãƒã‚°ã‚’å—ã‘æ¢ã‚ã‚‹ syslog ã‚µãƒ¼ãƒã€ã¨ã„ã†ã€ã©ã†è¦‹ã¦ã‚‚æ›¸ãè¾¼ã¿ä¸å¿ƒã§ SSD ã«ã‚„ã•ã—ããªã„ãƒ›ã‚¹ãƒˆã‚’ã‚ãˆã¦å‹•ã‹ã—ã¦ã„ãŸã€‚å…·ä½“çš„ã«ã¯ä¸‹è¨˜ã®ã‚ˆã†ãªãƒŽãƒªã®ãƒ›ã‚¹ãƒˆã§ã‚ã‚‹ã€‚ iostat ã®ä¸€è¡Œç›®ãªã®ã§ uptime æ•°ç™¾æ—¥ã«ãŠã‘ã‚‹å¹³å‡å€¤ã§ã‚ã‚‹ã“ã¨ã«æ³¨æ„ã€‚ [root@touge ~]# iostat -k -x -d sda | sed -n '3,4p' Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await
$ã‚µãƒ¼ãƒç”¨é€”ã§ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒž SSD ã¸èª¿åã«ä¹—ã£ã¦æ›¸ãè¾¼ã¿ã™ãŽã‚‹ã¨å£Šã‚Œã‚‹ã¨ã„ã†è©± - muraæ—¥è¨˜ (halfrack)$
yutamoty 2013/05/28
ssd

server

storage

é‹ç”¨
ãƒªãƒ³ã‚¯
Stray Penguin - Linux Memo
Linux ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã‚„ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ã„ã‚ã„ã‚ãªã¨ã“ã‚ã‹ã‚‰æ‰‹ã«å…¥ã‚‹ã‚ã‘ã§ã™ãŒã€ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¾ã§ã‚‚ãŒä¸–ç•Œä¸ã«åˆ†æ•£ã—ã¦ã„ã¦ã€ç³¸å£ã‚’è¦‹ã¤ã‘ã‚‹ã®ã•ãˆå¤§å¤‰ãªå ´åˆãŒã‚ã‚Šã¾ã™ã€‚éžå¸¸ã«ä¸è¦ªåˆ‡ãªèª¬æ˜Žã—ã‹å…¬é–‹ã•ã‚Œã¦ã„ãªã„ã‚µãƒ¼ãƒãƒ—ãƒã‚°ãƒ©ãƒ ã‚‚ã‚ã‚Šã¾ã™ã€‚ã“ã®ãƒ›ãƒ¼ãƒ ãƒšãƒ¼ã‚¸ã¯ã€ãã†ã„ã†æ§˜ã€…ãªãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚„è§£èª¬ã‹ã‚‰èªã¿å–ã£ãŸæ–ç‰‡ã‚’ã‹ãé›†ã‚ã€å®Ÿéš›ã«è‡ªåˆ†ã®ãƒžã‚·ãƒ³ã§æ¤œè¨¼ã—ãªãŒã‚‰ã€è¦šãˆæ›¸ãã¨ã—ã¦ã¾ã¨ã‚ãŸã‚‚ã®ã§ã™ã€‚ ã›ã£ã‹ãèª¿ã¹ãŸã“ã¨ãªã®ã§ã€ã²ã¨ã«ã‚‚åˆ†ã‹ã‚‹ã‚ˆã†ã«èª¬æ˜Žã‚’è£œã„ã€å…¬é–‹ã—ã¦ã„ã¾ã™ã€‚è¨˜äº‹ã‚’æ›¸ãã«ã‚ãŸã£ã¦ã¯ã€è‡ªåˆ†ãªã‚Šã«ã„ãã¤ã‹ã®æ–¹é‡ã‚’æ±ºã‚ã¦ã„ã¾ã™ã€‚ ã‚¹ãƒˆãƒ¬ã‚¤ãƒšãƒ³ã‚®ãƒ³ ã®æ–¹é‡ ãŸã¾ãŸã¾ã†ã¾ãå‹•ã„ãŸã‹ã‚‰ã¨ã„ã£ã¦ã€ãã®è¨å®šã‚„ã‚³ãƒžãƒ³ãƒ‰ã®æ„å‘³ãŒåˆ†ã‹ã‚‰ãªã„ã¾ã¾ä½¿ã†ã®ã¯æ„å‘³ãŒãªã„ã€‚ç´å¾—ã§ãã‚‹ã¾ã§èª¿ã¹ã‚‹ã€‚ ã‚„ã£ãŸã“ã¨ã®ãªã„ã“ã¨ã¯æ›¸ã‹ãªã„ã€‚çŸ¥ã£ãŸã‹ã¶ã‚Šã¯ã—ãªã„ã€‚ æ¤œè¨¼ã§ãã¦ã„ãªã„ã“ã¨ã¯æ›¸ã‹ãªã„ã€‚ ä½•ã‹ã®è¨å®šä¸ã«ã€Œè¿·ãˆã‚‹ä»”ãƒšãƒ³ã‚®ãƒ³ã€ çŠ¶æ…‹ã«é™¥
yutamoty 2013/04/02
linux

server

tips
ãƒªãƒ³ã‚¯
ã‚‹ã³ã¾
ã€Žã‚‹ã³ã¾ã€ã¯ã€Ruby ã«é–¢ã™ã‚‹æŠ€è¡“è¨˜äº‹ã¯ã‚‚ã¡ã‚ã‚“ã®ã“ã¨ã€Rubyist ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ“ãƒ¥ãƒ¼ã‚„ã‚¨ãƒƒã‚»ã‚¤ã€ãã®ä»–ã‚’ãŠå±Šã‘ã™ã‚‹ã‚¦ã‚§ãƒ–é›‘èªŒã§ã™ã€‚ Rubyist Magazine ã«ã¤ã„ã¦ ã€ŽRubyist Magazineã€ã€ç•¥ã—ã¦ã€Žã‚‹ã³ã¾ã€ã¯ã€æ—¥æœ¬ Ruby ã®ä¼šã®æœ‰å¿—ã«ã‚ˆã‚‹ Rubyist ã® Rubyist ã«ã‚ˆã‚‹ã€Rubyist ã¨ãã†ã§ãªã„äººã®ãŸã‚ã®ã‚¦ã‚§ãƒ–é›‘èªŒã§ã™ã€‚ æœ€æ–°å· Rubyist Magazine 0058 å· ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ Rubyist Magazine 0058 å· RubyKaigi 2018 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0057 å· RubyKaigi 2017 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0056 å· Rubyist Magazine 0055 å· Rubyist Magazine 0054 å· æ±äº¬ Ruby ä¼šè° 11 ç›´
yutamoty 2013/01/08
server

ruby

chef
ãƒªãƒ³ã‚¯
Webã‚µãƒ¼ãƒã®æ€§èƒ½ã‚’æ¸¬ã‚‹ | IIJã®æŠ€è¡“ | ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‚¤ãƒ‹ã‚·ã‚¢ãƒ†ã‚£ãƒ–ï¼ˆIIJï¼‰
ï¼ˆâ€»ï¼‰ã“ã®ãƒšãƒ¼ã‚¸ã§ç´¹ä»‹ã—ã¦ã„ã‚‹äº‹é …ã¯è¨˜äº‹åˆå‡ºæ™‚ç‚¹ã®æƒ…å ±ã«åŸºã¥ã„ãŸã‚‚ã®ã§ã™ã€‚æœ¬ãƒšãƒ¼ã‚¸ã¯ã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ã¨ã—ã¦æŽ²è¼‰ã—ã¦ã„ã¾ã™ã€‚ ãƒ„ã‚¤ãƒ¼ãƒˆ 2012å¹´12æœˆ18æ—¥ UNIXç³»ã®OSã§åˆ©ç”¨ã§ãã‚‹Webã‚µãƒ¼ãƒã®æ€§èƒ½æ¸¬å®šãƒ„ãƒ¼ãƒ«ã¨ã„ãˆã°ã€Apache Benchã‚„httperfã‚’æ€ã„æµ®ã‹ã¹ã‚‹äººãŒå¤šã„ã®ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚ã“ã‚Œã‚‰ã®è¨ˆæ¸¬ãƒ„ãƒ¼ãƒ«ã¯ã€æ®‹å¿µãªãŒã‚‰æœ€è¿‘ã®é«˜é€ŸãªWebã‚µãƒ¼ãƒã‚’è¨ˆæ¸¬ã™ã‚‹ã«ã¯éžåŠ›ã§ã™ã€‚ã“ã®è¨˜äº‹ã§ã¯ã€é«˜é€ŸãªWebã‚µãƒ¼ãƒã«ã‚‚è² ã‘ãªã„weighttpã®ä½¿ã„æ–¹ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ weighttpã¨ã¯ä½•ã‹ weighttpã¯ã€Webã‚µãƒ¼ãƒlighttpdã®é–‹ç™ºè€…ãŒå®Ÿè£…ã—ãŸWebã‚µãƒ¼ãƒã®æ€§èƒ½æ¸¬å®šãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ä»¥ä¸‹ã®ã‚ˆã†ãªç‰¹å¾´ã‚’æŒã¡ã¾ã™ã€‚ Webã‚µãƒ¼ãƒã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆï¼ˆãƒªã‚¯ã‚¨ã‚¹ãƒˆæ¯Žç§’ï¼‰ã‚’æ¸¬å®šã§ãã‚‹ ãƒã‚¤ãƒ†ã‚£ãƒ–ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’è¤‡æ•°èµ·å‹•ã—æ¸¬å®šæ€§èƒ½ã‚’å‘ä¸Šã§ãã‚‹ libevã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ã§ã€ãƒ¢ãƒ€ãƒ³ãªãƒãƒ¼ãƒ«ãƒ»ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«ã‚’åˆ©ç”¨ã™ã‚‹
yutamoty 2013/01/03
Apache

webservice

server
ãƒªãƒ³ã‚¯
ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢way 2012å¹´é–“ã‚¢ã‚¯ã‚»ã‚¹ãƒ©ãƒ³ã‚ãƒ³ã‚°ï¼
ã“ã‚“ã«ã¡ã¯ã€‚CTOã®é¦¬å ´ã§ã™ã€‚ 2012å¹´ã‚‚æ®‹ã™ã¨ã“ã‚ã‚ã¨æ•°æ—¥ã¨ãªã‚Šã¾ã—ãŸã€‚ ã‚‚ã†ã„ãã¤ã‹å¯ã‚‹ã¨2013å¹´ã®å¹•é–‹ã‘ã§ã™ã€‚ æ¥å¹´ã®ã“ã¨ã‚’è¨€ã†ã¨é¬¼ã«ç¬‘ã‚ã‚Œã¦ã—ã¾ã„ã¾ã™ã®ã§ã€ ã“ã®ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢wayã® 2012å¹´é–“ã‚¢ã‚¯ã‚»ã‚¹ãƒ©ãƒ³ã‚ãƒ³ã‚° ã‚’ã‚‚ã¨ã«ä»Šå¹´ã®æŒ¯ã‚Šè¿”ã‚Šã‚’ã—ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ 10. Unboundã¨DNSãƒ©ã‚¦ãƒ³ãƒ‰ãƒãƒ“ãƒ³ ãƒ‹ãƒƒãƒã ã‘ã©æ³¨ç›®ã•ã‚Œã¦ã‚‹(!?)Unboundã®ã‚¨ãƒ³ãƒˆãƒªã€‚ å¤§ããªå¼±ç‚¹ã¨ã„ã‚ã‚Œã¦ã„ãŸDNSãƒ©ã‚¦ãƒ³ãƒ‰ãƒãƒ“ãƒ³ã«å¯¾å¿œã—ã¾ã—ãŸã‚ˆã®è©±ã€‚ 9. è¦šãˆã¦ãŠããŸã„bashã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®ã‚ªãƒ—ã‚·ãƒ§ãƒ³ 2010å¹´ã®ã‚¨ãƒ³ãƒˆãƒªã§ã™ã€‚åŸºç¤Žã«è¿‘ã„ã‚¨ãƒ³ãƒˆãƒªã¯æ¯ãŒé•·ã„ã£ã€‚ 8. nginxé€£è¼‰6å›žç›®: nginxã®è¨å®šã€ãã®4 - TLS/SSLã®è¨å®š æ€’æ¶›ã®nginxé€£è¼‰ã®ç¬¬6å›žã§ã™ã€‚ nginxã„ã„ã‚ˆnginxã€‚ 7. DELLã®ã‚µãƒ¼ãƒã§CentOS6ã§LVS+keepalivedãªãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ
yutamoty 2012/12/29
server

network

nginx
ãƒªãƒ³ã‚¯
ç§ãŒMuninã«æ‹ã™ã‚‹ç†ç”± - ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã§ã‚‚ç›£è¦–ãŒã—ãŸã„ï¼ -
7. ï¼¼ / ç§ã¯èª°ï¼Ÿ ï¼¼ ä¸¶ i. | / ./ ï¼ ï¼¼ ãƒ½ i. .| / / ï¼ ï¼¼ ãƒ½ i | / / ï¼ ï¼¼ -â€ Zembutsu Masahito ãƒ¼ _ï¼¿ ã‚ ãŸ ã— ã§ ã™ -- â€¢ å‰ä½› é›…äºº @zembutsu äºŒ ï¼ï¿£ï¼¼ ï¼ äºŒ ï¿£. | ï¼¾oï¼¾ | ï¿£ -â€ ï¼¼ï¼¿ï¼ â€- â€“ Solutions Engineer ( èŒãˆã‚‹SE ) ï¼ â€¢ ã‚¤ãƒ³ãƒ•ãƒ©ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢çš„ãªä»•äº‹ãƒ¡ã‚¤ãƒ³ / ãƒ½ ï¼¼ â€¢ æ ªå¼ä¼šç¤¾ãƒªãƒ³ã‚¯ at+link ã‚µãƒ¼ãƒ“ã‚¹é–‹ç™ºéƒ¨ ( http://www.at-link.ad.jp/ ) ï¼ â€¢ â€œæŠ€è¡“è€…ã«å®‰å¿ƒã¨ä¼‘æ¯ã‚’â€ æä¾›ã™ã‚‹ã‚µãƒ¼ãƒ“ã‚¹è¿½æ±‚(é‹ç”¨/ç›£è¦–/è‡ªå‹•åŒ–) ä¸¶ ï¼¼ ï¼ / / | i, ä¸¶ ï¼¼ ï¼ / / | i, ä¸¶ ï¼¼ â€“ ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ç³»ãƒ»ã‚¯ãƒ©ã‚¦ãƒ‰ç³»ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£æ´»å‹• â€¢ http://pocketstudio.jp/log3/ â€“ ä¸»ãªè·æ´
yutamoty 2012/12/15
server

munin
ãƒªãƒ³ã‚¯
Mac mini160å°ã‚’ãƒ©ãƒƒã‚¯1å°ã«çªã£è¾¼ã‚“ã ã‚µãƒ¼ãƒãŒã¤ã„ã«å®Œæˆ
AppleãŒè²©å£²ã—ã¦ã„ãŸã‚µãƒ¼ãƒè£½å“ã€ŒXserveã€ã¯æ—¢ã«é–‹ç™ºãŒåœæ¢ã•ã‚Œã€è²©å£²ã‚‚çµ‚äº†ã€ä»£æ›¿è£½å“ã‚’æŽ¢ã—ã¦è§£æ±ºç–ã‚’æŽ¢ã£ã¦ã„ãŸæµ·å¤–ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒã€Œãã†ã ï¼160å°ãã‚‰ã„ã®Mac miniã‚’ãƒ©ãƒƒã‚¯ã«çªã£è¾¼ã‚ã°ã„ã‘ã‚‹ã ã‚ï¼ã€ã¨ã„ã†ã‚¢ã‚¤ãƒ‡ã‚£ã‚¢ã‚’æœ¬å½“ã«å®Ÿè¡Œã—ãŸæã‚‹ã¹ãå†™çœŸãŒãƒãƒƒãƒˆä¸Šã§å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ ã¾ãšã¯ãƒ©ãƒƒã‚¯ãƒžã‚¦ãƒ³ãƒˆãŒå¯èƒ½ã‹ã©ã†ã‹ã¨ã„ã†æ¤œè¨Žã‹ã‚‰ã€‚ Let The Testing Begin | Steve's Blog http://simbimbo.wordpress.com/2012/04/18/let-the-testing-begin/ ã“ã“ã«â€¦â€¦ ã“ã‚“ãªæ„Ÿã˜ã§Mac miniã‚’4å°æè¼‰ã§ãã‚‹ã£ã½ã„ å®Ÿéš›ã«çªã£è¾¼ã‚“ã§ã¿ãŸã®ãŒä»¥ä¸‹ã®æã‚‹ã¹ãç”»åƒã€‚ Racking it all up | Steve's Blog http://simbimbo.wordpress.com/2012/11/07/r
yutamoty 2012/12/11
macmini

server
ãƒªãƒ³ã‚¯
Isuconç”¨Webã‚µãƒ¼ãƒãƒ¼recaro : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
11/3ã«é–‹å‚¬ã•ã‚ŒãŸ #isucon2 ã«ã€éš£ã®å¸ã® @pandax381 ã¨ä¸€ç·’ã«ã€ãƒãƒ¼ãƒ åŒé¾ã¨ã—ã¦å‚åŠ ã—ã¦ãã¾ã—ãŸã€‚ çµæžœã¯æƒ¨æ•—ã ã£ãŸã®ã§ã™ãŒã€ãã®ãƒ¬ãƒãƒ¼ãƒˆã‚’æ›¸ãå‰ã«ã€ #isucon2 ã§ä½¿ã†äºˆå®šã ã£ãŸç§˜å¯†å…µå™¨ recaro ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ recaro ã¨ã¯ recaro ã¯ã‚«ãƒ¼ãƒãƒ«ç©ºé–“ã§å‹•ã httpd + memcached ã‚µãƒ¼ãƒãƒ¼ã§ã™ã€‚ httpd ã‚µãƒ¼ãƒãƒ¼ã¯ @pandax381 ãŒä½œæˆã—ãŸ tkhttpd ã§ã€ memcached ã¯ kmemcached ã¨ã„ã†ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆãŒ æœªå®Œæˆã®ã¾ã¾æ”¾ç½®ã•ã‚Œã¦ã„ãŸã®ã‚’è¦‹ã¤ã‘ã¦ã€ç§ãŒãƒ‡ãƒãƒƒã‚°ï¼†é«˜æ€§èƒ½åŒ–ã—ãŸã‚‚ã®ã§ã™ã€‚ (KLab/kmemcached) é€šå¸¸ã®nginx+memcachedã ã¨ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ <- TCP/IP ]-> nginx <-[ TCP/IP ]-> Memcached ([] ã¯ã‚·ã‚¹ãƒ†ãƒ ã‚³ãƒ¼ãƒ«) ã¨
yutamoty 2012/11/06
KLab

kernel

http

memcached

server

recaro
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒç®¡ç†ã®ä»•çµ„ã¿ã‚’ä½œã‚Šå§‹ã‚ãŸè©± - Kentaro Kuribayashi's blog
å…ˆæ—¥(10/9)ã€riywoã•ã‚“ã•ã‚“ã®å‘¼ã³ã‹ã‘ã«ã‚ˆã‚Šã€ã‚µãƒ¼ãƒç®¡ç†ã‚’ã©ã†ã‚„ã£ãŸã‚‰ã„ã„æ„Ÿã˜ãªã‚‹ã‹ã‚’è©±ã—åˆã†ä¼šãŒã‚‚ãŸã‚Œã¾ã—ãŸã€‚åƒ•ã¯ã€ç›´æŽ¥ã‚µãƒ¼ãƒç®¡ç†ã‚’ã‚„ã£ã¦ã„ã‚‹ã‚ã‘ã§ã¯ãªã„ã®ã§ã™ãŒã€ç¤¾å†…ã§ãã†ã„ã†ã®æ¬²ã—ã„ã¨ã„ã†è©±ã‚’ã—ã¦ã„ã¦ã€ãƒ„ãƒ¼ãƒ«ã‚’ä½œã‚ŠãŸã„ã¨ã„ã£ã¦ã„ãŸã®ã§ã€å‚è€ƒã«ãªã‚Œã°ã¨ã„ã†ã‚ã‘ã§ã€ãŠèª˜ã„ã„ãŸã ã„ã¦å‚åŠ ã—ã¦ããŸã®ã§ã—ãŸã€‚ riywoã•ã‚“ã‹ã‚‰ã€å©ãå°ã¨ã—ã¦ãƒ›ã‚¹ãƒˆã®ã‚ãƒ¼ã‚’å…ƒã«ã—ãŸçµ±åˆçš„ãªAPIã®æ§‹æƒ³ã‚’å›³å¼åŒ–ã—ãŸã‚¹ãƒ©ã‚¤ãƒ‰ã‚’æç¤ºã—ã¦ã„ãŸã ã„ãŸå¾Œã€ç®¡ç†ã‚·ã‚¹ãƒ†ãƒ ã®ä¸»ãªãƒ¦ãƒ¼ã‚¹ã‚±ãƒ¼ã‚¹ã‚„ã€å„ç¤¾ã®å®Ÿéš›ã®ç®¡ç†æ‰‹æ³•ãªã©ã‚’ã„ã‚ã„ã‚ãŠè©±ã‚’ã†ã‹ãŒã„ã¾ã—ãŸã€‚åƒ•ãªã©ã€ã‚¤ãƒ³ãƒ•ãƒ©çš„ãªçŸ¥è˜ã«ä¹ã—ã„ã‚‚ã®ã§ã€ã“ã‚Œã¯ãªã‹ãªã‹å¤§å¤‰ãªã“ã¨ã ãªã‚ã¨ã„ã†ã®ãŒã‚ã‚‰ãŸã‚ã¦ã‚ã‹ã‚Šã¾ã—ãŸã€‚ çµ„ç¹”ä½“åˆ¶ã‚„çµŒç†ãƒ«ãƒ¼ãƒ«ã®è¤‡é›‘æ€§ãŒå„ç¤¾ã§ã ã„ã¶é•ã† ã‚µãƒ¼ãƒã®æƒ…å ±ã¨ã—ã¦å¿…è¦ãªå±žæ€§ãŒå„ç¤¾ã§ã ã„ã¶é•ã† ãã‚‚ãã‚‚ã‚µãƒ¼ãƒã®æƒ…å ±ãŒè¤‡é›‘ æ—¢ã«ã‚ã‚‹ãªã‚“ã‚‰ã‹ã®ç®¡ç†ã®ä»•çµ„ã¿ã¨ã®æ•´åˆæ€§ã‚’å–ã‚‹
yutamoty 2012/10/25
server

ã‚¤ãƒ³ãƒ•ãƒ©
ãƒªãƒ³ã‚¯
åŽŸå› èª¿æŸ»ç”¨Linuxã‚³ãƒžãƒ³ãƒ‰ | å¤–é“çˆ¶ã®åŒ
ã‚µãƒ¼ãƒã®å‹•ä½œã«ç•°å¸¸ãŒç™ºç”Ÿã—ãŸéš›ã«åŽŸå› ã‚’æŽ¢ã‚‹ãŸã‚ã®Linuxã‚³ãƒžãƒ³ãƒ‰ã§ã€è‡ªåˆ†ç”¨ã®ãƒ¡ãƒ¢ã§ã™ã€‚ å…¨ã¦manã¨ã‹ã‚°ã‚°ã£ãŸã‚‰å‡ºã¦ãã‚‹ã®ã§èª¬æ˜Žã¯é©å½“ã§ã™ã€‚æ€ã„ã¤ã„ãŸã‚‰å¾Œã§è¿½è¨˜ã—ã¦ã„ãã‹ã‚‚ã§ã™ã€‚ å¯¾è±¡ã¯Debian Squeezeã«ãªã‚Šã¾ã™ã€‚ å…¨ã¦ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã§ãã‚‹ã‚‚ã®ã§ã€ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸åã¯ [in packagename] ã¨ã—ã¦ã‚ã‚Šã¾ã™ã€‚ å„æ‰€ã‚ˆã‚Šã‚³ãƒ¡ãƒ³ãƒˆã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ è‰¯ã•æ°—ãªã‚³ãƒžãƒ³ãƒ‰ã¯è¿½è¨˜ã—ã¦ã„ãã¾ã™ã€‚ ï¼œè¿½åŠ ã—ãŸã‚³ãƒžãƒ³ãƒ‰ï¼ž * telnet (+ã‚³ãƒ¡ãƒ³ãƒˆ wget, netcat) * arp (+ã‚³ãƒ¡ãƒ³ãƒˆ arpwatch) * pstree * fdisk ã‚³ãƒ¡ãƒ³ãƒˆã« gdisk * host, dig * watch * reboot
yutamoty 2012/10/24
linux

server
ãƒªãƒ³ã‚¯
ãƒ‰ãƒ©ã‚´ãƒ³ã‚¯ã‚¨ã‚¹ãƒˆXã¯ã€Œä¸–ç•Œã¯ä¸€ã¤ã€ã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã«ã©ã®ã‚ˆã†ãªã‚µãƒ¼ãƒæ§‹æˆã«ã—ã¦ã„ã‚‹ã®ã‹ï¼Ÿ
ã‚¹ã‚¯ã‚¦ã‚§ã‚¢ãƒ»ã‚¨ãƒ‹ãƒƒã‚¯ã‚¹ã®äººæ°—RPGã€Œãƒ‰ãƒ©ã‚´ãƒ³ã‚¯ã‚¨ã‚¹ãƒˆã€ã‚·ãƒªãƒ¼ã‚ºã®æœ€æ–°ä½œã€Œãƒ‰ãƒ©ã‚´ãƒ³ã‚¯ã‚¨ã‚¹ãƒˆXï¼ˆãƒ‰ãƒ©ã‚¯ã‚¨10ï¼‰ã€ã¯ã‚·ãƒªãƒ¼ã‚ºåˆã®ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ä½œå“ã¨ãªã‚Šã¾ã—ãŸãŒã€ãã®èˆžå°è£ã¯ä¸€ä½“ã©ã†ãªã£ã¦ã„ãŸã®ã‹ã€‚ã‚²ãƒ¼ãƒ ã®ä¸–ç•Œè¦³ã‚’æ”¯ãˆã‚‹ã‚µãƒ¼ãƒã‚·ã‚¹ãƒ†ãƒ ãŒã©ã®ã‚ˆã†ã«æ§‹æˆã•ã‚Œã¦ã„ã‚‹ã®ã‹ã¨ã„ã†ã“ã¨ã‚„ã€ãƒ‰ãƒ©ã‚´ãƒ³ã‚¯ã‚¨ã‚¹ãƒˆâ…©ãªã‚‰ã§ã¯ã®ä»•çµ„ã¿ã‚„æ©Ÿèƒ½ã‹ã‚‰é–‹ç™ºã®è‹¦åŠ´è©±ã¾ã§ã€æ ªå¼ä¼šç¤¾ã‚¹ã‚¯ã‚¦ã‚§ã‚¢ãƒ»ã‚¨ãƒ‹ãƒƒã‚¯ã‚¹é–‹ç™ºéƒ¨ãƒ—ãƒã‚°ãƒ©ãƒžæ£®å±±æœ‹è¼ã•ã‚“ãŒèªžã£ã¦ã„ã¾ã™ã€‚ ã‚¿ã‚¤ãƒˆãƒ« | CEDEC 2012 | Computer Entertaintment Developers Conference http://cedec.cesa.or.jp/2012/program/NW/C12_P0040.html æ£®å±±æœ‹è¼ï¼š çš†æ§˜ã€æœ¬æ—¥ã¯ãŠé›†ã¾ã‚Šé ‚ãã©ã†ã‚‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ã“ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã‚’æ‹…å½“ã•ã›ã¦é ‚ãã¾ã™ã€æ ªå¼ä¼šç¤¾ã‚¹ã‚¯ã‚¦ã‚§ã‚¢ãƒ»ã‚¨ãƒ‹ãƒƒã‚¯ã‚¹é–‹ç™ºéƒ¨æ‰€å±žã®æ£®å±±æœ‹è¼ã¨
yutamoty 2012/08/27
DQ

network

server
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒã«è² è·ã‚’ã‹ã‘ã‚‹ãŠæ‰‹è»½ãªæ–¹æ³•: RemovableType
1. CPUä½¿ç”¨çŽ‡ã‚’ä¸Šã’ã‚‹ 1-1. (è¦Perl) perl -e "1 while 1" 1-2. (è¦Bash) while true; do true; done 1-3. (è¦Python) python -c "while True: True" â€»CPUã‚³ã‚¢ãŒè¤‡æ•°ã®å ´åˆã¯ãã®æ•°ã ã‘ä¸¦åˆ—ã§å®Ÿè¡Œã™ã‚‹ 2. ãƒãƒ¼ãƒ‰ã‚¢ãƒ™ãƒ¬ãƒ¼ã‚¸ã‚’ä¸Šã’ã‚‹(UNIX/Linuxã®ã¿) top -d .00001 â€»ä¸ŠãŒã‚Šã«ãã„å ´åˆã¯ã‚¦ã‚§ã‚¤ãƒˆã‚’ã‚ˆã‚Šå°ã•ãã™ã‚‹ã€ã‚‚ã—ãã¯è¤‡æ•°ä¸¦åˆ—ã§å®Ÿè¡Œã™ã‚‹ 3. ãƒ¡ãƒ¢ãƒªã€ã‚¹ãƒ¯ãƒƒãƒ—ä½¿ç”¨çŽ‡ã‚’ä¸Šã’ã‚‹ 3-1. (è¦Perl) perl -e "$c[$_]='a'x$_ for 1..1000000" 3-2. (è¦Python) python -c "range(1,100000000)" â€»è¶³ã‚Šãªã„å ´åˆã¯ã‚¨ãƒ³ãƒ‰ã®æ•°ã‚’å¢—ã‚„ã™ â€»Pythonã®æ–¹ã¯Ctrl+Cã§ä¸æ–ã§ããªã„(è¦kil
yutamoty 2012/08/16
linux

server

é‹ç”¨
ãƒªãƒ³ã‚¯
ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ãƒ¼ã®ä½œã‚Šæ–¹
2. ã€€ã€€ã€€ã€€ã¯ã˜ã‚ã«ï¼ˆï¼‘ï¼‰ Google æ¤œç´¢ã‚’ï¼‘ï¼ï¼å›žè¡Œã†ã¨ã€ã‚µãƒ¼ãƒã§æ¶ˆè²»ã•ã‚Œã‚‹ é›»åŠ›ã¯ã€ã„ãã‚‰ãªã‚“ã§ã—ã‚‡ã†ã‹ï¼Ÿ Google ã¯ä»®æƒ³ã‚µãƒ¼ãƒï¼“ï¼ï¼ä¸‡å°ã€ç‰©ç†ã‚µãƒ¼ãƒï¼™ï¼ä¸‡å°ã¨ è¨€ã‚ã‚Œã¦ã„ã¾ã™ã€‚ï¼‘ãƒµæœˆã®é›»æ°—ä»£ã¯ï¼Ÿ å¤§é‡ã«ã‚µãƒ¼ãƒã‚’ä½¿ã†ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã€€ã‚¯ãƒ©ã‚¦ãƒ‰ã‚µãƒ¼ãƒ“ã‚¹ã¨ å‘¼ã‚“ã§ã„ã¾ã™ã€‚ ã‚¯ãƒ©ã‚¦ãƒ‰ã‚µãƒ¼ãƒ“ã‚¹åˆ©ç”¨ã«ã¯ã€é›»æ°—ä»£ã‚’æ„è˜ã—ãªã„ã¨ ã„ã‘ã¾ã›ã‚“ã€‚ 3. ã€€ã€€ã€€ã€€ã¯ã˜ã‚ã«ï¼ˆï¼’ï¼‰ Google æ¤œç´¢ã‚’ï¼‘ï¼ï¼å›žè¡Œã†ã¨ã€ã‚µãƒ¼ãƒã§æ¶ˆè²»ã•ã‚Œã‚‹é›»åŠ›ã¯ã€ ã„ãã‚‰ãªã‚“ã§ã—ã‚‡ã†ã‹ï¼Ÿ Google æ¤œç´¢ 100 ä»¶ã¯ã€ 60 ãƒ¯ãƒƒãƒˆ ã®é›»çƒã‚’ 28 åˆ†é–“ç‚¹ç¯ ã«ç›¸å½“ï¼Ÿ Google ã¯ä»®æƒ³ã‚µãƒ¼ãƒï¼“ï¼ï¼ä¸‡å°ã€ç‰©ç†ã‚µãƒ¼ãƒï¼™ï¼ä¸‡å°ã¨ è¨€ã‚ã‚Œã¦ã„ã¾ã™ã€‚ ï¼‘ãƒµæœˆã®é›»æ°—ä»£ ã¯ï¼Ÿ ï¼‘å° 200W ã¨ã—ã¦ã€€ 0.2KVAÃ—24hÃ—30DayÃ—22 å†† = ç´„ 3,000 å†† 3,000 å†† Ã—90 ä¸‡å° = ï¼’ï¼—å„„å††ï¼ ã‚¯ãƒ©ã‚¦ãƒ‰ã‚µãƒ¼ãƒ“
yutamoty 2012/07/17
IDC

server

è³‡æ–™
ãƒªãƒ³ã‚¯
æ—¥ã€…ã®ITå±æ©Ÿç®¡ç†ãƒ¬ãƒ™ãƒ«ãŒå•ã‚ã‚Œã‚‹ãƒ•ã‚¡ãƒ¼ã‚¹ãƒˆã‚µãƒ¼ãƒéšœå®³å¾©æ—§
ãƒ•ã‚¡ãƒ¼ã‚¹ãƒˆã‚µãƒ¼ãƒã®å¤§è¦æ¨¡éšœå®³ã®ä»¶ã¯ã€ãƒ‡ãƒ¼ã‚¿å¾©æ—§ãŒä¸å¯èƒ½ã¨ã„ã†ç™ºè¡¨ãŒã‚ã£ãŸãã†ã ã€‚ å¤§è¦æ¨¡éšœå®³ã®ãƒ•ã‚¡ãƒ¼ã‚¹ãƒˆã‚µãƒ¼ãƒã€ã€Œãƒ‡ãƒ¼ã‚¿å¾©æ—§ã¯ä¸å¯èƒ½ã€ å¤§è¦æ¨¡éšœå®³ã®æ¦‚è¦ã¨åŽŸå› ã«ã¤ã„ã¦ï¼ˆä¸é–“å ±å‘Šï¼‰(ãƒ•ã‚¡ãƒ¼ã‚¹ãƒˆã‚µãƒ¼ãƒã‚µã‚¤ãƒˆ) å¾©æ—§ãƒ¬ãƒ™ãƒ«ã«ã‚‚ã‚ˆã‚‹ã¨æ€ã†ãŒã€Linuxã®å ´åˆã€HDDã‹ã‚‰å‰Šé™¤å¾©æ—§ã‚’ã•ã›ãŸæ™‚ã«ã€ãƒ•ã‚¡ã‚¤ãƒ«ç®¡ç†æƒ…å ±ãŒã™ã§ã«ä¸€è‡´ã—ãªã„çŠ¶æ…‹ã«ãªã‚‹ã¨ã€ä»®ã«ãƒ•ã‚¡ã‚¤ãƒ«å®Ÿä½“ãŒå¾©æ—§ã—ã¦ã‚‚ã€ãƒ•ã‚¡ã‚¤ãƒ«åã€ãƒ•ã‚©ãƒ«ãƒ€åãŒã‚ã‹ã‚‰ãªããªã£ã¦ã€ãã‚ŒãŒã„ã£ãŸã„ä½•ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‹ã‚ã‹ã‚‰ãªã„ã€‚å…±ç”¨ã‚µãƒ¼ãƒã®å ´åˆã¯èª°ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‹ã‚ã‹ã‚‰ãªã„ã®ã§ã€äº‹æ¥è€…å´ã‚‚ã€ã†ã‹ã¤ã«æ¸¡ã™ã“ã¨ãŒã§ããªã„ã€ãªã©è¨€ã£ãŸã‚±ãƒ¼ã‚¹ã«ã‚‚ãªã‚‹ã“ã¨ã‚‚ã‚ã‚Šã†ã‚‹ã®ã§ã€åŸºæœ¬çš„ã«å¾©æ—§ã¯ç„¡ç†ã ã‚ã†ãªã¨æ€ã£ã¦ã„ãŸã€‚ ä»Šå›žã¯ã€å°‚ç”¨ã‚µãƒ¼ãƒã§ã‚‚ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ä¼æ¥å´ã®ã‚¢ã‚¯ã‚»ã‚¹æ¨©é™ãŒãªã„ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«ã‚‚ãƒ•ã‚¡ã‚¤ãƒ«ãŒè¦‹ãˆã¦ã—ã¾ã†ã¨ã„ã†æŒ‡æ‘˜ã‚’å—ã‘ãŸãã†ã ãŒã€ä¸€åº¦æ¶ˆã—ã¦ã—ã¾ã£ãŸãƒ•ã‚¡ã‚¤ãƒ«ã§ã‚ã‚‹ä»¥ä¸Šã€ãã‚Œã¯ã‚ã‚‹æ„å‘³ä»•æ–¹ã®ãªã„
yutamoty 2012/06/25
server

é‹ç”¨
ãƒªãƒ³ã‚¯
1 2 3 4 5 6 7 8 æ¬¡ã®ãƒšãƒ¼ã‚¸