How we made our DNS stack 3x faster
Cloudflare is now well into its 6th year and providing authoritative DNS has been a core part of infrastructure from the start. We’ve since grown to be the largest and one of the fastest managed DNS services on the Internet, hosting DNS for nearly 100,000 of the Alexa top 1M sites and over 6 million other web properties – or DNS zones. CC-BY 2.0 image by Steve Jurvetson Today Cloudflare’s DNS serv
JSONã¨MessagePackã€ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºæ€§èƒ½æ¯”較 under the iOS - Qiita
26日目ã€@adachi_c ã§ã™ã€‚ã“ã‚“ã«ã¡ã¯ã€œã€‚ 今日ã¯2å°ã®iPhoneã§é€šä¿¡ã—ã¦ã€JSONã¨MessagePackã®ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºã€ãƒ‡ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºã®é€Ÿåº¦ã‚’計る計測アプリ作ã£ãŸã‚“ã§ã€è¦‹ã¦ã£ã¦ãã ã•ã„。 シリアライズã¨ã¯ãªã«ã‹ シリアライズã¨ã„ã†ã®ã¯ä½•ã‹ã¨ã„ã†ã¨ã€ä»–ã®ç’°å¢ƒã§å¾©å…ƒï¼ˆãƒ‡ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºï¼‰ã§ãるよã†ã«ã€ç’°å¢ƒä¾å˜ãªãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’ã€ã‚·ã‚¹ãƒ†ãƒ é–“ã§ç›¸äº’ç†è§£ã§ãã‚‹å½¢å¼ã«å¤‰æ›ã™ã‚‹ã“ã¨ã§ã™ã€‚ システムã”ã¨ã«ã€ã„ã‚ã‚“ãªOSã€è¨€èªžã€æ–°æ—§ã®é•ã„ãªã©ãŒã‚ã‚‹ã‹ã¨æ€ã„ã¾ã™ãŒã€ãã‚Œãžã‚ŒãŒç›¸äº’é‹ç”¨æ€§ã‚’ç¶æŒã™ã‚‹ãŸã‚ã«ã€å…±é€šã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸è¡¨ç¾æ‰‹æ³•ãŒå¿…è¦ã§ã™ã€‚ãã‚ŒãŒJSONã ã¨ã‹ã€XMLã®DOMã‚„SAXã«è©²å½“ã—ã¾ã™ã€‚シリアライズ形å¼ã«ã‚ˆã£ã¦ã¯ã€åž‹æƒ…å ±ã‚’æŒã£ã¦ã„ã‚‹ã“ã¨ã‚‚ã‚ã£ãŸã‚Šã—ã¾ã™ã€‚ OSや言語ãŒç•°ãªã‚‹ã‚·ã‚¹ãƒ†ãƒ é–“ã§APIã‚’è¨è¨ˆã™ã‚‹ã¨ãã€ã“ã®ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºã‚’使ã†ã“ã¨ãŒæœ‰åŠ¹ã«ãªã‚‹ã‚ã‘ã§ã™ã€‚ ã©ã®ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºæ–¹å¼ã‚’ã¨ã‚‹ã‹ ã§ã¯ã€æ§˜
Twitterã§ä½¿ã£ã¦ã„ã‚‹Scalaã§æ›¸ã‹ã‚ŒãŸã‚ªãƒ¼ãƒ—ンソースã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚ューサーãƒãƒ¼ã€Kestrel – yusuke.blog
Kestrelã¯å¤§è¦æ¨¡ã‹ã¤é«˜é€Ÿã«é‹ç”¨ã§ãるメッセージã‚ューサーãƒãƒ¼ã§ã™ã€‚Twitterã§ä½¿ã£ã¦ã„ã¾ã™ã€‚ ソースã¯https://github.com/robey/kestrelよりãƒã‚§ãƒƒã‚¯ã‚¢ã‚¦ãƒˆã§ãã¾ã™ã€‚ ・特徴 Kestrelã¯ç‰¹å¾´ã¨ã—㦠– memcachedプãƒãƒˆã‚³ãƒ«ã‚’サãƒãƒ¼ãƒˆã—ã¦ãŠã‚Šã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®ãƒ—ラットフォームéžä¾å˜ – Scalaã§æ›¸ã‹ã‚Œã¦ãŠã‚Šã€é«˜é€ŸãªJVMã®æ©æµã‚’å—ã‘ã‚‹ã“ã¨ãŒå‡ºæ¥ã‚‹ – 全部ã§2500è¡Œã»ã©ã¨ã‚·ãƒ³ãƒ—ル – 基本メモリベースã§é«˜é€Ÿã ãŒãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã¯ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã«ã‚¸ãƒ£ãƒ¼ãƒŠãƒ«ãŒè¨˜éŒ²ã•ã‚Œã¦ãŠã‚Šè€éšœå®³æ€§ãŒç¢ºä¿ã•ã‚Œã¦ã„ã‚‹ – ã‚ューã‹ã‚‰å–り出ã—ãŸãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’クライアントãŒacknowledgeã™ã‚‹ã¾ã§æ¨ã¦ãªã„ã“ã¨ã§å‡¦ç†æ¼ã‚Œã‚’防ãã“ã¨ãŒã§ãã‚‹ ã¨ã„ã£ãŸã“ã¨ãŒæŒ™ã’られã¾ã™ã€‚ ・Memcachedプãƒãƒˆã‚³ãƒ« Memcachedプãƒãƒˆã‚³ãƒ«ã®åŸºæœ¬ã¯éžå¸¸ã«ç°¡å˜ã§ã€setコマンドã§
Why Not MessagePack?
JSON is a fantastic format, anywhere people in your organization want to reach for XML, it’s always a good thing to ask the question “Why not JSON?â€. The question I’d like you to ask the next time you’re reaching for your JSON hammer, is “Why not MessagePack?â€. MessagePack has the following things going for it when compared to JSON. JSON Compatible: Anything that works with JSON will work with Mes
msgpack.js RC - latest log
MessagePack 発案者様ã‹ã‚‰ã€Œæœ«å¸ã‚ã„ã¦ã¾ã™ã‚ˆã€ã¨ãŠè¨€è‘‰ã‚’ã„ãŸã ã„ãŸã®ã§ã€uupaa.js ã«ä¸€åˆ‡ä¾å˜ã›ãšã€ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰å˜ä½“ã§åˆ©ç”¨å¯èƒ½ãªã‚¹ãƒ”ンオフ版を作æˆã—ã¾ã—ãŸã€‚ Many bugfix(especially - IEEE754) Test case was enhanced msgpack codec test msgpack download / upload demo benchmark msgpack vs json Download and Upload functions msgpack.download(url, option, callback) -> download binary data by GET method. msgpack.upload(url, option, callback) -> upload base64 data by PUT meth
MessagePack + WebWorkers - latest log
追記 @os0X ã•ã‚“㨠@edvakf ã•ã‚“ã‹ã‚‰ã‚¢ãƒ‰ãƒã‚¤ã‚¹ã‚’ã„ãŸã ã„ãŸã®ã§ã€æœ¬æ–‡ã¨ã‚³ãƒ¼ãƒ‰ã‚’ä¿®æ£ã—ã¾ã—ãŸã€‚ postMessageãŒæ–‡å—列ã«é™å®šã•ã‚Œã¦ã„ã‚‹ã®ã¯æ—§ä»•æ§˜ã§ã€Firefoxや最近ã®WebKit(Chrome5ã¨ã‹)ã¯ã‚ªãƒ–ジェクトをやりå–ã‚Šã§ãã‚‹ã¨æ€ã„ã¾ã™ via @os0X http://twitter.com/edvakf/statuses/15644433920 自分ã§ã‚‚試ã—ã¦ã¿ã¾ã—ãŸã€‚ http://javascript.g.hatena.ne.jp/edvakf/20100607/1275931930 via @edvakf http://twitter.com/os0x/statuses/15621293442 本文 昨日ã®æ—¥è¨˜ã®ç¶šãã§ã™ã€‚ IE9 㨠Opera ã§å‹•ãよã†ã«ãªã‚Šã€ã¡ã‚‡ã£ã¨é€Ÿããªã‚Šã€WebWorkers ã§ãƒ‡ã‚³ãƒ¼ãƒ‰ã™ã‚‹ãƒ¢ãƒ¼ãƒ‰ã‚’è¿½åŠ ã—ã¾ã—ãŸã€‚ http:
JavaScript 㧠MessagePack を実装ã—ã¦ã¿ãŸ - latest log
140æ–‡å—を超ãˆã¡ã‚ƒã†ã®ã§ã€ã“ã¡ã‚‰ã§ã€‚ id:viver ã•ã‚“ã® MessagePack ã‚’ JavaScript ã§å®Ÿè£…ã—ã¦ã¿ã¾ã—ãŸã€‚ HOT TO USE <script src="misc/msgpack.js"></script> <script src="misc/utf8.js"></script> <script> var pack = msgpack.pack("ã“ã‚“ã«ã¡ã¯ã“ã‚“ã«ã¡ã¯"); alert(msgpack.unpack(pack)); // ã“ã‚“ã«ã¡ã¯ã“ã‚“ã«ã¡ã¯ </script> ç¾æ™‚点ã®ä»•æ§˜ / 制é™äº‹é … 仕様 msgpack.pack(data:Mix):ByteArray ã§ã€data ã«æŒ‡å®šã•ã‚ŒãŸã‚ªãƒ–ジェクトをエンコードã—ã€ByteArray( [数値, ...] ) ã‚’è¿”ã—ã¾ã™ã€‚ æ–‡å—列㯠UTF8 㪠raw data ã¨ã—ã¦æ•°å€¤åŒ–ã—ã¾ã™ã€‚ エンコ
MessagePack-JS - プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¯ç´ 晴らã—ã„
cuzic ã§ã™ã€‚ MessagePack ã® JavaScript 実装を作æˆã—ã¾ã—ãŸã®ã§ã€å…¬é–‹ã—ã¾ã—ãŸã€‚ GitHub ã«ãŠã„ã¦ãŠã‚Šã¾ã™ã€‚ サーãƒå´ã§ç”Ÿæˆã—㟠MessagePack ã®æ–‡å—列をクライアントå´ã® JavaScript ã§ã€ var data = MessagePack.unpack(unescape("%a1%61")); alert(a); ã¨æ›¸ã‘ã° Ruby 㧠'a'.to_msgpack ã«ç›¸å½“ã™ã‚‹ MessagePack ã®ã‚·ãƒªã‚¢ãƒªã‚¼ãƒ¼ã‚·ãƒ§ãƒ³çµæžœã‚’変数 data ã«æ ¼ç´ã—ã¾ã™ã€‚ ç¾åœ¨ã¯ä»¥ä¸‹ã®çŠ¶æ…‹ã§ã™ã€‚ MessagePack å½¢å¼ã®ãƒ‡ã‚³ãƒ¼ãƒ‰ãŒå¯èƒ½ã€‚ æ•´æ•°ã€nil ã€false ã€trueã€æµ®å‹•å°æ•°ç‚¹ã€æ–‡å—列ã€ãƒãƒƒã‚·ãƒ¥ã€é…列 ã«å¯¾å¿œ FireFox 3.6.3 㨠IE 8.0.6 ã§å‹•ä½œæ¤œè¨¼ã‚’実施。æ£å¸¸å‹•ä½œã‚’確èªã€‚ 作æˆã—ãŸç†ç”±ã¨ã—ã¦ã¯ã€ä»¥ä¸‹ã®ç†ç”±ã§ã™ã€‚ 最近
MessagePack-RPCã®ãƒ—ãƒãƒˆã‚³ãƒ«ä»•æ§˜ï¼ˆãƒ‰ãƒ©ãƒ•ãƒˆï¼‰ã¨å®Ÿè£…例 - Blog by Sadayuki Furuhashi
以å‰ã«æ›¸ã„㟠MessagePack RPC プãƒãƒˆã‚³ãƒ« ã¯å°‘ã—å¤ããªã£ã¦ã—ã¾ã£ãŸã®ã§ã€ã“ã“ã§ã¾ã¨ã‚ç›´ã—ã¦ãŠã“ã†ã¨æ€ã„ã¾ã™ã€‚ MessagePack-RPCã®ãƒ—ãƒãƒˆã‚³ãƒ«ã¯ã€éžåŒæœŸåž‹ã®å‘¼ã³å‡ºã—ãŒã§ãる点（éžåŒæœŸãƒ—ãƒãƒˆã‚³ãƒ«ï¼‰ãŒå¤§ããªç‰¹å¾´ã¨ãªã£ã¦ã„ã¾ã™ã€‚複数ã®ã‚µãƒ¼ãƒãŒç›¸äº’ã«é€šä¿¡ã—åˆã£ãŸã‚Šã€é€šä¿¡ã¨è¨ˆç®—をオーãƒãƒ¼ãƒ©ãƒƒãƒ—ã•ã›ã¦é«˜é€ŸåŒ–を図ã£ãŸã‚Šã™ã‚‹ã‚ˆã†ãªã€é«˜åº¦ãªãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ãƒ—リケーションを実装ã—ã‚„ã™ããªã‚Šã¾ã™ã€‚ RPCライブラリã¨è¨€ã†ã‚ˆã‚Šã‚‚ã€ã‚·ãƒ³ãƒ—ルãªéžåŒæœŸãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ãƒ©ã‚¤ãƒ–ラリã¨è¨€ãˆã¾ã™ã€‚ ã“ã“ã§ã¯MessagePack-RPCã®ãƒ—ãƒãƒˆã‚³ãƒ«ä»•æ§˜ã¨ã€ä»¥ä¸Šã®ç‰¹å¾´ã‚’æ´»ã‹ã›ã‚‹ã‚ˆã†ãªå®Ÿè£…例もåˆã‚ã›ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ 基本仕様：MessagePack-RPC specification version 0.1 MessagePack-RPCã®ãƒ—ãƒãƒˆã‚³ãƒ«ã¯ã€ãƒ¡ã‚½ãƒƒãƒ‰ã®å‘¼ã³å‡ºã™Requestメッセージã¨ã€ãã‚Œã«å¯¾ã™ã‚‹
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