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protocolã«é–¢ã™ã‚‹uokadaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (23)

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gRPC Federation: gRPC ã‚µãƒ¼ãƒ“ã‚¹ã®ãŸã‚ã® Protocol Buffers ã‚’é€²åŒ–ã•ã›ã‚‹DSL | ãƒ¡ãƒ«ã‚«ãƒªã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°
Merpay Engineering Productivity Team ã® goccy ã§ã™ã€‚ gRPC Federation ã¯ã€gRPC ã§é€šä¿¡ã™ã‚‹è¤‡æ•°ã®ã‚µãƒ¼ãƒ“ã‚¹ã‹ã‚‰å¾—ãŸçµæžœã‚’åˆæˆã—ã¦è¿”ã™ã‚ˆã†ãªã‚µãƒ¼ãƒ“ã‚¹ã‚’ç°¡å˜ã«ä½œæˆã™ã‚‹ãŸã‚ã®ä»•çµ„ã¿ã§ã™ã€‚DSL ( Domain Specific Language ) ã‚’ Protocol Buffers ä¸Šã§è¨˜è¿°ã™ã‚‹ã“ã¨ã§åˆ©ç”¨ã—ã¾ã™ã€‚ã¾ãšã¯ã€GraphQL(Apollo) Federation ã® gRPC ç”¨ã®ã‚‚ã®ã ã¨è€ƒãˆã‚‹ã¨ã‚ã‹ã‚Šã‚„ã™ã„ã¨æ€ã„ã¾ã™ã€‚2023å¹´8æœˆã« OSS ã¨ã—ã¦å…¬é–‹ã—ã€å…ˆæ—¥ Public Roadmap ã‚’å…¬é–‹ã—ã¾ã—ãŸã€‚2024/6æœˆæœ«ã‚’ç›®æ¨™ã« Version 1.0 ( GAç‰ˆ ) ã‚’ãƒªãƒªãƒ¼ã‚¹ã™ã‚‹äºˆå®šã§ã™ã€‚ã¾ãŸã€æœ€è¿‘ã¯ Protocol Buffers ã®ã‚¨ã‚³ã‚·ã‚¹ãƒ†ãƒ ã«å‚åŠ ã—ã¾ã—ãŸã€‚Protobuf Global Extens
uokada 2024/06/18
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grpc

protocol
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PostgreSQLã‚¯ã‚¨ãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã®å®Ÿè¨¼ / Demonstration of PostgreSQL Query Protocol
PostgreSQLã‚¯ã‚¨ãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã®å®Ÿè¨¼ / Demonstration of PostgreSQL Query Protocol
uokada 2024/06/02
postgresql

protocol
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Gossip ProtocolÂ Explained - High Scalability -
uokada 2023/08/14
Gossip

protocol
ãƒªãƒ³ã‚¯
OGPã‚’è¨å®šã—ã‚ˆã†ï¼SNSã§ã‚·ã‚§ã‚¢ã•ã‚Œã‚„ã™ã„è¨å®šæ–¹æ³•ã¨ã¯ï¼Ÿ
SEOæ‹…å½“ã®èµ¤ï¨‘ã§ã™ã€‚ WEBã‚µã‚¤ãƒˆã‚’é‹å–¶ã—ã¦ã„ã‚‹ã¨ã€æµå…¥æ•°ãŒä¼¸ã³ãªã„ã€ã„ã‚ã‚“ãªäººã«è¦‹ã¦ã‚‚ã‚‰ã„ãŸã„ã®ã«ãªã‹ãªã‹çŸ¥ååº¦ãŒä¸ŠãŒã‚‰ãªã„ãªã©ã€æ‚©ã‚“ã§ã„ã‚‹æ–¹ã‚‚å¤šã„ã¨æ€ã„ã¾ã™ã€‚ä»Šå›žã¯ã€SNSã§å¤šãã®æ–¹ã«ç›®ã«ã—ã¦ã‚‚ã‚‰ã†ã€çŸ¥ã£ã¦ã‚‚ã‚‰ã†ãŸã‚ã«å¤§åˆ‡ãªOGPè¨å®šã«ã¤ã„ã¦ã”èª¬æ˜Žã—ã¾ã™ã€‚ OGPã®ãƒ¡ãƒªãƒƒãƒˆã‚„è¨å®šæ–¹æ³•ã«ã¤ã„ã¦ã€ã“ã¡ã‚‰ã®å‹•ç”»ã§ã‚‚ã‚ã‹ã‚Šã‚„ã™ãè§£èª¬ã—ã¦ã„ã¾ã™ã€‚ è¨˜äº‹ã¨ã‚ã‚ã›ã¦ãœã²ã”è¦§ãã ã•ã„ã€‚ OGPã£ã¦ãªã‚“ã®ã“ã¨ï¼Ÿ OGPã¨ã¯ã€ã€ŒOpen Graph Protcolã€ã®ç•¥ã§Facebookã‚„Twitterãªã©ã®SNSã§ã‚·ã‚§ã‚¢ã—ãŸéš›ã«ã€è¨å®šã—ãŸWEBãƒšãƒ¼ã‚¸ã®ã‚¿ã‚¤ãƒˆãƒ«ã‚„ã‚¤ãƒ¡ãƒ¼ã‚¸ç”»åƒã€è©³ç´°ãªã©ã‚’æ£ã—ãä¼ãˆã‚‹ãŸã‚ã®HTMLè¦ç´ ã§ã™ã€‚ SNSä¸Šã§URLãŒå…±æœ‰ã•ã‚ŒãŸéš›ã«è¨å®šã—ã¦ãŠã„ãŸã‚¿ã‚¤ãƒˆãƒ«ã‚„ç”»åƒã€èª¬æ˜Žæ–‡ãªã©ãŒè¡¨ç¤ºã•ã‚Œã‚‹ã‚ˆã†ã«ãªã‚Šã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã«å¯¾ã—ã¦WEBãƒšãƒ¼ã‚¸ã®å†…å®¹ã‚’è©³ã—ãä¼ãˆã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ä¾‹ãˆã°ã€å¼Šç¤¾ã®ãƒ–ãƒã‚°
uokada 2021/10/01
"TOPãƒšãƒ¼ã‚¸ã®å ´åˆã¯ã€Œwebsiteã€ã€WEBã‚µã‚¤ãƒˆä¸Šã®è¨˜äº‹ãƒšãƒ¼ã‚¸ãªã©ã€TOPãƒšãƒ¼ã‚¸ä»¥å¤–ã«ã¯ã€Œarticleã€ã‚’æŒ‡å®šã—ã¾ã™ã€‚"

twitter

OGP

facebook

protocol

SNS
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Open Graph protocol
Introduction The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to allow any web page to have the same functionality as any other object on Facebook. While many different techno logies and schemas exist and could be combined together, there isn't a single techno logy which provides enough information to richly represent any
uokada 2021/10/01
facebook

protocol

ogp

SNS
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Langserver.org
Langserver.org A community-driven source of knowledge for Language Server Protocol implementations Langserver.org is a community-driven site, maintained by Sourcegraph, to track development progress of LSP-compatible language servers and clients. What is LSP? The Language Server protocol is used between a tool (the client) and a language smartness provider (the server) to integrate features like a
uokada 2021/04/03
language

protocol
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Henry Robinsonã«ã‚ˆã‚‹å„ªã—ã„Paxosã®è§£èª¬ - minghaiã®æ—¥è¨˜
ç¾åœ¨ã¯Clouderaã®ç¤¾å“¡ã§ã‚ã‚Šã€ZooKeeperã®ã‚³ãƒŸãƒƒã‚¿ã§ã‚‚ã‚ã‚‹Henry Robinsonã«ã‚ˆã‚‹Paxosã®å„ªã—ã„è§£èª¬ã€‚ãƒ©ãƒ³ãƒãƒ¼ãƒˆã®"Paxos made simple"ã«æ¯”ã¹ã¦ã‚‚ã¨ã¦ã‚‚å„ªã—ã„ãŒã€ä½•ã¨ãªã"Paxos made simple"ã‚’èªã‚“ã§ã„ã‚‹ã“ã¨ã‚’å‰æã¨ã—ã¦ã„ã‚‹ã‚ˆã†ãªçœç•¥ãŒã‚ã‚Šã€ä¸¡æ–¹ã‚’äº¤äº’ã«èªã‚€ã“ã¨ã‚’è¨³è€…ã¨ã—ã¦ã¯ãŠå‹§ã‚ã™ã‚‹ã€‚è¨³è€…ã¯ã“ã‚Œã ã‘ã§ã¯ä¸€éƒ¨ç†è§£ã§ããªã‹ã£ãŸã€‚ åˆæ„ãƒ—ãƒãƒˆã‚³ãƒ«ï¼š Paxos Henry Robinson / ãƒ˜ãƒ³ãƒªãƒ¼ãƒ»ãƒãƒ“ãƒ³ã‚½ãƒ³ ä»Šæ—¥ã€èª°ã‹ã®Paxosã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã«ã¤ã„ã¦ã®è¨˜è¿°ç„¡ã—ã«2ã¤ã®åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã«ã¤ã„ã¦ã®ã‚¢ãƒ¼ãƒ†ã‚£ã‚¯ãƒ«ã‚’èªã‚€ã“ã¨ã¯ä¸å¯èƒ½ã ã‚ã†ã€‚ Googleã¯Chubbyã«ãã‚Œã‚’ä½¿ã„ã€Yahooã¯ãã‚Œã«å°‘ã—ä¼¼ã¦ã„ã‚‹ã‚‚ã®ã‚’ZooKeeperã«ä½¿ã£ã¦ã„ã‚‹ã€‚ãã‚Œã¯ã¾ã‚‹ã§ç©¶æ¥µã®åˆæ„ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã ã¨è€ƒãˆã‚‰ã‚Œã¦ã„ã‚‹ã‚ˆã†ã ã€‚ã¾ãŸãã‚Œã¯ã¨ã‚“ã§ã‚‚ãªãç†è§£ã™ã‚‹ã®ãŒ
uokada 2020/01/08
algorithm

protocol
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Revisiting OSI 7 Layer Model - d0iã®é€£çµ¡å¸³
ä»Šæ›´ã ã‘ã©ã€OSI 7 Layer Modelã‚’è€ƒãˆãªãŠã—ã¦ã¿ã¾ã™ã€‚ã“ã®1å¹´ãã‚‰ã„ã€OSI ModelãŒå®Ÿã¯ã‚ˆãã§ãã¦ã„ã‚‹ãƒ¢ãƒ‡ãƒ«ã ã£ãŸã€ã¨ã„ã†ã‹ã€Internet ArchitectureãŒã©ã‚“ã©ã‚“OSI Modelã«è¿‘ä»˜ã„ã¦ã„ã‚‹ã€ã¨ã„ã†æ°—ãŒã—ã¦ã„ã‚‹ã®ã§ã™ã€‚ ç‰©ç†å±¤ã€ãƒ‡ãƒ¼ã‚¿ãƒªãƒ³ã‚¯å±¤ ã“ã“ã¯ä»®æƒ³åŒ–ã¨ã‹ã‹ã‚‰ã‚“ã§ã„ã¡ã°ã‚“ç†±ã„é ˜åŸŸã ã‘ã©ã€å°‚é–€å¤–ã ã‹ã‚‰è«–ã˜ã¾ã›ã‚“ã€‚ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å±¤ ãƒã‚±ãƒ¼ã‚¿ã‹è˜åˆ¥åã‹ã€ãã‚ŒãŒå•é¡Œã ã€‚ Internetã¯ã“ã‚Œã‚’åŒºåˆ¥ã›ãšã«ä½œã£ã¦ã—ã¾ã£ãŸãŒã‚†ãˆã«ã€ã„ã‚ã„ã‚ã¨è‹¦åŠ´ã—ã¦MIPã¨ã‹HIPã¨ã‹LISPã¨ã‹ã„ã†è©±ã«ãªã£ã¦ã„ã¾ã™ã€‚æœ¬æ¥ã®OSIãƒ¢ãƒ‡ãƒ«ã§ã¯ãƒã‚±ãƒ¼ã‚¿ãªã®ã ã‚ã†ã¨æ€ã£ã¦ã„ã‚‹ã®ã§ã™ãŒã€å®Ÿéš›ã®ã¨ã“ã‚ã‚ˆãã‚ã‹ã£ã¦ã„ã¾ã›ã‚“ã€‚ ã‚»ãƒƒã‚·ãƒ§ãƒ³å±¤ã•ãˆã¡ã‚ƒã‚“ã¨ä½œã£ã¦ãŠã‘ã°ã€DNSãŒè˜åˆ¥åã¨ãªã£ã¦ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å±¤ã¯ãƒã‚±ãƒ¼ã‚¿ã‚’å¾¹é å¾¹å°¾ã§ãã‚‹çˆãªã®ã ã‘ã©ã€ãã‚“ãªé”æ³•ã®ã‚ˆã†ãªã‚»ãƒƒã‚·ãƒ§ãƒ³å±¤ã¯ä»Šã®ã¨ã“ã‚ãªã„
uokada 2015/01/06
protocol

Internet
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SPDY ã¨ã‹æ–°ã—ã„ãƒ—ãƒãƒˆã‚³ãƒ«ãŒã‚ˆãã‚ã‹ã‚‰ãªã„ã®ã§ç°¡å˜ã«ã¾ã¨ã‚ãŸ | tech | http - æ°¾æ¿«åŽŸ
HTTP 0.9 RFC (rfc:1945) ã¯1996å¹´ (HTTP 1.0ã¨åŒã˜RFCã§èª¬æ˜Žã•ã‚Œã¦ã‚‹) æœ€åˆã® HTTPã€‚GET ãƒ¡ã‚½ãƒƒãƒ‰ã—ã‹ãªã‹ã£ãŸã€‚ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãƒ˜ãƒƒãƒ€ã‚‚ãªã„ (ãƒœãƒ‡ã‚£ãƒ¼ã ã‘)ã€‚ HTTP 1.0 RFC (rfc:1945) ã¯1996å¹´ ãƒ¡ã‚½ãƒƒãƒ‰ã« GET POST HEAD ãŒè¿½åŠ ã•ã‚ŒãŸ ãƒ˜ãƒƒãƒ€ãŒè¿½åŠ ã•ã‚ŒãŸ HTTP 1.1 RFC (rfc:2068 â†’ rfc2616) ã¯1997å¹´ HTTP 1.0 ã« Keep Alive ã¨ã‹ã‚’è¿½åŠ ã—ãŸã‚„ã¤ã€‚ ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã«å¯¾å¿œ (Host ãƒ˜ãƒƒãƒ€ãŒå¿…é ˆã«) Keep Alive ãŒå¯èƒ½ 1ã¤ã®TCPã‚»ãƒƒã‚·ãƒ§ãƒ³ã§è¤‡æ•°ã®ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚„ã‚Šã¨ã‚ŠãŒã§ãã‚‹ ãƒªã‚¯ã‚¨ã‚¹ãƒˆãƒ‘ã‚¤ãƒ—ãƒ©ã‚¤ãƒ³ãŒå¯èƒ½ ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’è¤‡æ•°å€‹ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã‚’å¾…ãŸãšã«é€ã‚‹ã“ã¨ãŒã§ãã‚‹ ã‚µãƒ¼ãƒå´ã§å¯¾å¿œãŒå¿…è¦ãªã®ã§ã‚ã¾ã‚Šæœ‰åŠ¹æ´»ç”¨ã•ã‚Œã¦ãªã„ HTTPS RFC (rfc:28
uokada 2014/05/17
protocol

SPDY

HTTP

quic
ãƒªãƒ³ã‚¯
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Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? æ¦‚è¦ è¿‘å¹´ã€Bitcoin, Litecoinã«ä»£è¡¨ã•ã‚Œã‚‹æš—å·é€šè²¨ãŒï¼ˆè‰¯ãã‚‚æ‚ªãã‚‚ï¼‰å¤§ããªè©±é¡Œã‚’å‘¼ã‚“ã§ã„ã¾ã™ã€‚æš—å·é€šè²¨ã¯ç¾åœ¨æ··æ²Œã‚’æ¥µã‚ã€ã“ã‚Œã¾ã§æ•°ç™¾ã‚‚ã®æ´¾ç”Ÿé€šè²¨(Altcurrencies)ãŒä¹±ç«‹ã—ã¦ã„ã‚‹çŠ¶æ³ã§ã™ãŒã€ã“ã“æ—¥æœ¬ã§ã‚‚æœ€è¿‘ã€ŒMonacoinã€ã¨å‘¼ã°ã‚Œã‚‹æ—¥æœ¬ç™ºã®æ´¾ç”Ÿé€šè²¨ãŒèª•ç”Ÿã—ã€2chã®ç‰‡éš…ã§å¯†ã‹ã«ç››ã‚Šä¸ŠãŒã‚Šã‚’è¦‹ã›ã¦ã„ã¾ã™ã€‚ã“ã®è‘—è€…ã¯ãã®ä¸ã§ã€ã€ŒMonapayã€ã¨å‘¼ã°ã‚Œã‚‹ã€ã„ã‚ã‚†ã‚‹æš—å·é€šè²¨ç‰ˆgumroadã®ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒ“ã‚¹ã‚’é‹å–¶ã—ã¦ã„ã‚‹è€…ã§ã™ã€‚ ä»¥å‰ã€ãµã¨ã—ãŸæ°—ã¾ãã‚Œã§ç§ã¯æ¬¡ã®ã‚ˆã†ãªå½¢ã®ã‚²ãƒ¼ãƒ ã‚’ææ¡ˆã—ã€2chã«è²¼ã‚Šä»˜ã‘ã¾ã—ãŸã€‚ å®£
uokada 2014/05/17
protocol

bitcoin

security
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MySQLã®ãƒ—ãƒãƒˆã‚³ãƒ«è§£èª¬ - ã¨ã¿ãŸã¾ã•ã²ã‚ - Rabbit Slide Show
Page: 1 MySQLã®ãƒ—ãƒãƒˆã‚³ãƒ«è§£èª¬ ã¨ã¿ãŸã¾ã•ã²ã‚ æ—¥æœ¬MySQLãƒ¦ãƒ¼ã‚¶ä¼š MyNAä¼š 2013/07/29 MySQLã®ãƒ—ãƒãƒˆã‚³ãƒ«è§£èª¬ Powered by Rabbit 2.1.1 Page: 2 è‡ªå·±ç´¹ä»‹ ã¨ã¿ãŸ ã¾ã•ã²ã‚ MySQLãƒ¦ãƒ¼ã‚¶ä¼š (åã°ã‹ã‚Šä»£è¡¨) é•·é‡ŽçœŒåŒ—éƒ¨åœ¨ä½ ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ (Ruby & C) http://tmtms.hatena blog.com http://twitter.com/tmtms https://github.com/tmtm/ruby-mysql MySQLã®ãƒ—ãƒãƒˆã‚³ãƒ«è§£èª¬ Powered by Rabbit 2.1.1 Page: 3 è¶£å‘³ èª°ã‚‚ä½¿ã‚ãªã„Rubyãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã£ãŸã‚Š MySQL ã® yacc ãƒ•ã‚¡ã‚¤ãƒ«èªã‚“ã ã‚Š ãƒžãƒ³ã‚¬èªã‚“ã ã‚Š è–æ‚ ç´€ / ä½ã€…æœ¨æ·³å / å²¡å´ŽäºŒéƒŽ / æ˜Ÿé‡Žä¹‹å®£ / é•·è°·å·è£•ä¸€ / å³¶æœ¬å’Œå½¦ / æ¡‘ç”°ä¹ƒæ¢¨å
uokada 2013/07/30
MySQL

protocol
ãƒªãƒ³ã‚¯
tokuhirom blog
Blog Search when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${entry.path} [in template "__entry.ftlh" at line 3, column 25] - Reached through: #include "__entry.ftlh" [in template "entry.ftlh" at
uokada 2013/03/26
MySQL

protocol
ãƒªãƒ³ã‚¯
ä¿ºå²ä¸Šæœ€å¼·ã®iptablesã‚’ã•ã‚‰ã™ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? #!/bin/bash ########################################################### # ã“ã®ã‚¹ã‚¯ãƒªãƒ—ãƒˆã®ç‰¹å¾´ # # å—ä¿¡ãƒ»é€šéŽã«ã¤ã„ã¦ã¯åŸºæœ¬çš„ã«ç ´æ£„ã—ã€ãƒ›ãƒ¯ã‚¤ãƒˆãƒªã‚¹ãƒˆã§è¨±å¯ã™ã‚‹ã‚‚ã®ã‚’æŒ‡å®šã™ã‚‹ã€‚ # é€ä¿¡ã«ã¤ã„ã¦ã¯åŸºæœ¬çš„ã«è¨±å¯ã™ã‚‹ã€‚ãŸã ã—ã€ã‚µãƒ¼ãƒãŒè¸ã¿å°ã«ãªã‚Šå¤–éƒ¨ã®ã‚µãƒ¼ãƒã«è¿·æƒ‘ã‚’ã‹ã‘ã‚‹å¯èƒ½æ€§ãŒã‚ã‚‹ã®ã§ã€ # å¿ƒé…ãªå ´åˆã¯ã€é€ä¿¡ã‚‚å—ä¿¡åŒæ§˜ã«åŸºæœ¬ç ´æ£„ãƒ»ãƒ›ãƒ¯ã‚¤ãƒˆãƒªã‚¹ãƒˆã§è¨±å¯ã™ã‚‹ã‚ˆã†ã«æ›¸ãæ›ãˆã‚‹ã¨è‰¯ã„ã€‚ #########################################
uokada 2012/08/23
iptables

protocol

linux

security
ãƒªãƒ³ã‚¯
memcachedãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ä½¿ã£ãŸBlockingQueue - Blog by Sadayuki Furuhashi
ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã§ã‚ˆãä½¿ã†BlockingQueueã‚’memcachedãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ä½¿ã£ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯è¶Šã—ã«ä½¿ã†ã“ã¨ãŒã§ãã‚‹ã‚µãƒ¼ãƒãƒ¼ã‚’å®Ÿè£…ã—ã¦ã¿ã¾ã—ãŸã€‚ ã‚¿ã‚¹ã‚¯ã‚’ã‚¬ãƒ³ã‚¬ãƒ³pushã—ã¦ã„ãä¸€æ–¹ã§ã€ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚¹ãƒ¬ãƒƒãƒ‰ãªã‚‰ã¬ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚µãƒ¼ãƒãƒ¼ãŒ1ã¤ãšã¤popã—ã¦å‡¦ç†ã—ã¦ã„ãã‚ˆã†ãªåˆ†æ•£å‡¦ç†ã«ä½¿ãˆã‚‹ã‹ã‚‚çŸ¥ã‚Œã¾ã›ã‚“ã€‚ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒ¼ãƒ«ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯åˆ†æ•£ç‰ˆã€‚ ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¯CodeReposã«ã‚ã‚Šã¾ã™ï¼šlang/ruby/lkserver $ svn co http://svn.coderepos.org/share/lang/ruby/lkserver $ cd lkserver # memcachedãƒ†ã‚ã‚¹ãƒˆãƒ—ãƒãƒˆã‚³ãƒ«ã®ãƒ‘ãƒ¼ã‚µãƒ¼ã‚’ã‚³ãƒ³ãƒ‘ã‚¤ãƒ« $ ruby extconf.rb $ make # Revï¼ˆã‚¤ãƒ™ãƒ³ãƒˆé§†å‹•IOãƒ©ã‚¤ãƒ–ãƒ©ãƒªï¼‰ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« $ gem install rev # 11511
uokada 2012/02/13
ruby

memcache

protocol

queue
ãƒªãƒ³ã‚¯
SPDYã«ã¤ã„ã¦: é©å½“ãªãƒ¡ãƒ¢ - Lejayã®æ—¥è¨˜
ãƒ»Googleã®ææ¡ˆã™ã‚‹ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³å±¤ãƒ—ãƒãƒˆã‚³ãƒ« ãƒ»HTTPã®ã‚ªãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ‰ [ ç›®çš„ ] ãƒ»Webä¸Šã®é€šä¿¡ã®æœ€é©åŒ– ãƒ»Webã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã®èªã¿è¾¼ã¿ã‚’é«˜é€ŸåŒ–(ãƒ¬ã‚¤ãƒ†ãƒ³ã‚·ã®çŸç¸®) [ ç›®æ¨™ ] ãƒ»èªã¿è¾¼ã¿æ™‚é–“50%å‰Šæ¸› ãƒ»ä½Žã„å°Žå…¥ã‚³ã‚¹ãƒˆ ãƒ»TCPã‚’åˆ©ç”¨ã™ã‚‹ãŸã‚ï¼Œæ—¢å˜ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’å¤‰æ›´ã™ã‚‹å¿…è¦ãŒãªã„ ãƒ»Webã‚µã‚¤ãƒˆç®¡ç†è€…ã«å¯¾ã—ã¦è² æ‹…ã‚’ã‹ã‘ãªã„ ãƒ»SPDYã¯ï¼ŒWebã‚µãƒ¼ãƒã¨ãƒ–ãƒ©ã‚¦ã‚¶ã®å®Ÿè£…ã ã‘ãªã®ã§ï¼ŒCGIãªã©ã«ã¯å½±éŸ¿ã‚’ä¸Žãˆãªã„ ãƒ»ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§é–‹ç™º [ æŠ€è¡“çš„ç›®æ¨™ ] ãƒ»TCPã®1ã‚»ãƒƒã‚·ãƒ§ãƒ³ã§ï¼Œè¤‡æ•°ã®HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’åŒæ™‚ã«å—ã‘ä»˜ã‘ã‚‹ ãƒ»HTTPã®åˆ©ç”¨å¸¯åŸŸã‚’å‰Šæ¸› ãƒ»å®Ÿè£…ã®å®¹æ˜“ãªãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ææ¡ˆ ãƒ»SSLã‚’åˆ©ç”¨ ãƒ»ã‚µãƒ¼ãƒã‹ã‚‰ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¸ã®ãƒ—ãƒƒã‚·ãƒ¥æ©Ÿèƒ½ ãƒ»1ã¤ã®TCPã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ä¸Šã§è¤‡æ•°ã®åŒæ™‚SSLæŽ¥ç¶š ãƒ»HTTPã®GETã‚„POSTã«ä»£ã‚ã‚‹ãƒ‡ãƒ¼ã‚¿è»¢é€æ–¹æ³• ãƒ»åŒæ–¹å‘é€šä¿¡ [ ç‰¹å¾´ ] ãƒ»å¤šé‡åŒ–
uokada 2012/01/28
google

SPDY

protocol
ãƒªãƒ³ã‚¯
memcachedãƒ—ãƒãƒˆã‚³ãƒ«ã«ã¤ã„ã¦
â€» memcachedãƒ—ãƒãƒˆã‚³ãƒ«ã®ä»•æ§˜æ›¸ã¯ä»¥ä¸‹ã«ã‚ã‚Šã¾ã™ã€‚ http://code.sixapart.com/svn/memcached/trunk/server/doc/protocol.txt ãƒ‡ãƒ¼ã‚¿ã®ä¿å˜ã‚’è¡Œã†ã‚³ãƒžãƒ³ãƒ‰(set,add,replace,append,prepend)ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ãªæ–‡æ³•ã¨ãªã‚Šã¾ã™ã€‚ <ã‚³ãƒžãƒ³ãƒ‰> <key> <flags> <exptime> <bytes> <data> <key>ã¯ä¿å˜ã™ã‚‹ãŸã‚ã®ã‚ãƒ¼åã‚’æŒ‡å®šã—ã¾ã™ã€‚å®Ÿè£…ã«ã‚ˆã£ã¦ã‚‚ç•°ãªã‚Šã¾ã™ãŒã€æœ€å¤§é•·ã¯250byteã§ã™ã€‚ <flags>ã¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ç‰¹æœ‰ã®32bitã®å€¤(0ã€œ4294967295)ã‚’æŒ‡å®šã™ã‚‹ã“ã¨ãŒã§ãã€ãƒ‡ãƒ¼ã‚¿ã®å–å¾—æ™‚ã«æ ¼ç´ã—ãŸæ™‚ã®å€¤ãŒè¿”ã•ã‚Œã¾ã™ã€‚ <exptime>ã¯ãƒ‡ãƒ¼ã‚¿ã®æœ‰åŠ¹æœŸé–“ã‚’ç§’æ•°ã§æŒ‡å®šã—ã¾ã™ã€‚æŒ‡å®šã—ãŸæ™‚é–“çµŒéŽã™ã‚‹ã¨ã€è‡ªå‹•çš„ã«ã‚ãƒ¼ãŒå‰Šé™¤ã•ã‚Œã¾ã™ã€‚0ã‚’æŒ‡å®šã™ã‚‹ã¨è‡ªå‹•å‰Šé™¤ã•ã‚Œ
uokada 2012/01/26
database

memcached

protocol
ãƒªãƒ³ã‚¯
Draft: PubSubHubbub Core 0.3 -- Working Draft
Abstract An open, simple, web-scale pubsub protocol, along with an open source reference implentation targetting Google App Engine. Notably, however, nothing in the protocol is centralized, or Google- or App Engine-specific. Anybody can play. As opposed to more developed (and more complex) pubsub specs like Jabber Publish-Subscribe (Millard, P., Saint-Andre, P., and R. Meijer, â€œPublish-Subscribe,â€
uokada 2012/01/20
pubsubhubbub

protocol

google

feed
ãƒªãƒ³ã‚¯
memcachedãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã¯åŒæœŸãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ç¦æ¢ã™ã‚‹ã¹ã - Blog by Sadayuki Furuhashi
ç¾çŠ¶ã®memcachedã®ãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆï¼ˆ=libmemcachedï¼‰ã¯ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆã®é †ç•ªé€šã‚Šã«ãƒ¬ã‚¹ãƒãƒ³ã‚¹ãŒè¿”ã£ã¦ãã‚‹ã“ã¨ã‚’æœŸå¾…ã—ã¦ãŠã‚Šã€ã“ã‚Œã¯memcachedãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã‚’ã€Œæ±Žç”¨çš„ãªkey-valueãƒ™ãƒ¼ã‚¹ã®åˆ†æ•£ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã®ãŸã‚ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã€ã¨ã—ã¦è€ƒãˆã‚‹ã¨ã€ã²ã©ã„å®Ÿè£…ã§ã‚ã‚‹ã€‚ ãã®ã‚ˆã†ãªå®Ÿè£…ã¯æœ€é©åŒ–ã®ä½™åœ°ã‚’å¤§å¹…ã«åˆ¶é™ã—ã¦ã—ã¾ã„ã€æ€§èƒ½ã¨ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ãŒæ‚ªåŒ–ã™ã‚‹ã€‚memcachedã®ä»•æ§˜æ›¸ã¯ã€ãã®ã‚ˆã†ãªã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®å®Ÿè£…ã¯ãƒã‚°ã§ã‚ã‚‹ã¨æ˜Žç¤ºã™ã‚‹ã¹ãã§ã‚ã‚‹ã€‚ ç¾çŠ¶ã®memcachedã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®å®Ÿè£…ã®å•é¡Œç‚¹ã¨ã€ãã®è§£æ±ºç–ã«ã¤ã„ã¦è¿°ã¹ã‚‹ã€‚ åŒæœŸãƒ—ãƒãƒˆã‚³ãƒ«ã¨éžåŒæœŸãƒ—ãƒãƒˆã‚³ãƒ« ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ãƒãƒˆã‚³ãƒ«ã¯ä»¥ä¸‹ã®2ã¤ã®ç¨®é¡žã«åˆ†ã‘ã‚‰ã‚Œã‚‹ï¼š åŒæœŸãƒ—ãƒãƒˆã‚³ãƒ« ãƒªã‚¯ã‚¨ã‚¹ãƒˆã®é †ç•ªé€šã‚Šã«ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã‚’è¿”ã™ï¼ˆãƒªã‚¯ã‚¨ã‚¹ãƒˆã®é †ç•ªã¨ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã®é †ç•ªãŒåŒæœŸã—ã¦ã„ã‚‹ï¼‰ éžåŒæœŸãƒ—ãƒãƒˆã‚³ãƒ« ãƒªã‚¯ã‚¨ã‚¹ãƒˆã—ãŸé †
uokada 2011/10/06
memcached

programming

protocol

performance
ãƒªãƒ³ã‚¯
BitTorrentæŠ€è¡“ãƒ¡ãƒ¢&ãƒªãƒ³ã‚¯é›† â€” ã‚ã‚Šãˆã‚‹ãˆã‚Šã‚
BitTorrentæŠ€è¡“ãƒ¡ãƒ¢&ãƒªãƒ³ã‚¯é›† ãã‚Œãªã‚Šã«è©±é¡Œã«ãªã‚‹ã“ã¨ã‚‚ã‚ã‚‹ã€BitTorrent(ä»¥ä¸‹ã€BT)ã®æŠ€è¡“ãƒ¡ãƒ¢ã§ã™(æ³¨1)ã€‚P2Pã®å¿œç”¨ã®å½¢ã®ã²ã¨ã¤ã¨ã—ã¦ã€èˆˆå‘³æ·±ã„ã‚‚ã®ãŒã‚ã‚Šã¾ã™ã€‚ ä½œè€…ã®æ›¸ã„ãŸæŠ€è¡“æ–‡æ›¸ã‚’èªã‚“ã§ã„ã‚‹ã¨ã€ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã¨è¨€ã„ã¤ã¤å®Ÿè£…ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ãŽã‚ŠãŽã‚Šã¿ãŸã„ãªè¨˜è¿°ãŒæ··ã˜ã£ãŸã‚Šã—ã¦ã„ã¾ã™ã€‚å€‹äººçš„ã«ã¯ã€ã“ã†ã„ã†æ…‹åº¦ã¯å¥½ãã§ã€å¥½æ„ŸãŒæŒã¦ã¾ã™(æ³¨2)ã€‚è‹±èªžã¯ã‚ã¾ã‚Šèªã¿ã‚„ã™ã„ã¨ã¯æ€ãˆã¾ã›ã‚“ãŒã€‚ *ã‹ãªã‚Šå¤§é›‘æŠŠãªå‹•ä½œã‚¤ãƒ¡ãƒ¼ã‚¸ ä¸€èˆ¬çš„ãªP2Pãƒ•ã‚¡ã‚¤ãƒ«äº¤æ›ã¨BTã§ã¯ã€è§£æ±ºã—ã‚ˆã†ã¨ã—ã¦ã„ã‚‹é ˜åŸŸãŒç•°ãªã‚Šã¾ã™(æ³¨3)ã€‚ BTã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æŽ¢ç´¢(æ¤œç´¢)ã™ã‚‹éƒ¨åˆ†ã«ã¯ç„¦ç‚¹ã‚’å½“ã¦ã¦ã„ã¾ã›ã‚“ã€‚ãƒŽãƒ¼ãƒ‰ç¾¤ãŒã‚ã‚‹ç‰¹å®šã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’æ±‚ã‚ã¦ã„ã‚‹æ™‚ã€ãã®ãƒŽãƒ¼ãƒ‰ç¾¤ã«ã€ã„ã‹ã«ç´ æ—©ããƒ•ã‚¡ã‚¤ãƒ«ã‚’è¡Œãæ¸¡ã‚‰ã›ã‚‹ã‹(é…å¸ƒ)ã€ã«æ©Ÿèƒ½ã‚’çµžã£ã¦ã„ã¾ã™ã€‚ ãƒ¢ãƒ‡ãƒ«çš„ãªèª¬æ˜Žã‚’ã™ã‚‹ã¨ã€ä¸Žãˆã‚‰ã‚ŒãŸåˆæœŸçŠ¶æ…‹ã¨é·ç§»ã¯æ¬¡ã®ã‚ˆã†ã«ãªã‚Šã¾ã™(æ³¨4)ã€‚ ãƒª ãƒ³
uokada 2011/10/05
BitTorrent

p2p

ã‚µãƒ¼ãƒ

algorithm

protocol
ãƒªãƒ³ã‚¯
https://lowlife.jp/yasusii/stories/16.html/
uokada 2011/10/05
https://web.archive.org/web/20160306214609/http://lowlife.jp/yasusii/stories/16.html

BitTorrent

p2p

protocol

ä»•æ§˜
ãƒªãƒ³ã‚¯
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