2025/8/23 第4å颿±Kagglerä¼ã®ç»å£è³æã§ãã https://kanto-kaggler.connpass.com/event/362280/ 13:15~ å±±å£ç¥ ymg_aq ãKaggleã«å½¹ç«ã¤ é«éåã»ä¸¦ååãã¯ããã¯ã Kaggleä¸ã®Pythonå®è£ ãããâ¦
2025/8/23 第4å颿±Kagglerä¼ã®ç»å£è³æã§ãã https://kanto-kaggler.connpass.com/event/362280/ 13:15~ å±±å£ç¥ ymg_aq ãKaggleã«å½¹ç«ã¤ é«éåã»ä¸¦ååãã¯ããã¯ã Kaggleä¸ã®Pythonå®è£ ãããâ¦
ããã«ã¡ã¯ãService Reliability Group(SRG)ã®é¬¼æµ· é太(@fat47)ã§ãã SRGã¯ä¸»ã«å¼ç¤¾ã¡ãã£ã¢ãµã¼ãã¹ã®ã¤ã³ãã©å¨ããæ¨ªæçã«ãµãã¼ããã¦ãããæ¢åãµã¼ãã¹ã®æ¹åãæ°è¦ç«ã¡ä¸ããOSSè²¢ç®ãªã©ãè¡ã£ã¦ããã°ã«ã¼ãã§ãã æ¬è¨äºã§ã¯2025年度ã®ãµã¤ãã¼ã¨ã¼ã¸ã§ã³ãã®æ°åç ä¿®ã§ã100åã§å¦ã¶ ãµã¤ãã¼ã¨ã¼ã¸ã§ã³ãã®ãã¼ã¿ãã¼ã¹æ´»ç¨äºä¾ã¨MySQLããã©ã¼ãã³ã¹èª¿æ»ãã¨ããç ä¿®ã宿½ãã話ã¨ããã®å 容ã«ã¤ãã¦ç°¡åã«ç´¹ä»ãã¦ãã¾ãã ä¾å¹´ã®æ°åæè¡ç ä¿®ã«ã¤ã㦠ãµã¤ãã¼ã¨ã¼ã¸ã§ã³ãã§ã¯æ¯å¹´ãæ°åã®ã¨ã³ã¸ãã¢å ¨å¡ã対象ã«ããæè¡ç ä¿®ã宿½ããã¦ããã ã»ãã¥ãªãã£ç ä¿®ãAWSãªã©ã®ã¯ã©ã¦ãå®ç¿ãããã«ã½ã³å½¢å¼ã®ãã¼ã éçºç ä¿® ãªã©ã®ç ä¿®ã宿½ããã¦ãã¾ãã ãããããã¼ã¿ãã¼ã¹ã«é¢ããå å®¹ã¯æ°åã®ã¨ã³ã¸ãã¢å ¨å¡ã対象ã«ããç ä¿®ã§ã¯å®æ½ããã¦ããããåé¨ç½²ï¼å
以ä¸ã®å ¬éè¨æ¸¬ä¼ã§ãã£ããã®ãåå¥ã«è§£èª¬ãã¦ã¿ãã ç´°ãããã¯ããã¯ãå¤ãã®ã ãããããå¯è½ãªéãããã¹ãã¨ã¹ã¯ã·ã§ã§è§£èª¬ããããä½¿ãæ¹ã®è§£èª¬ãä¸å¿ã§ãã©ãããæå³ããããã¯è§£èª¬ããªãã Chrome131æç¹ã®ã¹ã¯ãªã¼ã³ã·ã§ããã§ãå¾ã§èªãå ´åã¯é »ç¹ã«UIãå¤ãã£ã¦ããç¹ã«æ³¨æã大äºãªã®ã¯æå³ã 宣ä¼: ããã御社ã®ãµã¤ãã§è§£èª¬ããä»äºããã£ã¦ãã¾ãã ãã¢ã®URL ããã«æå³ã¯ãªãã仿¥å¶ç¶è¦ã¦ããã ãã§æå³ã¯ãªããé¢ä¿ãªããã¨ãã¸ã©ã³ãã¼ãºã¯æé«ã®ã¢ãã¡ã DevTools ãéã F12 or å³ã¯ãªãã¯ãããæ¤è¨¼ã DevTools > Lighthouse ãã®ç¶æ ã§è¨æ¸¬ ãã®ã¨ããæ°ãããããã¡ã¤ã«ãä½ã£ãããã¦ãå¯è½ãªéã Chromeæ¡å¼µãå ¥ã£ã¦ãªãç¶æ ã«ãããã¨ãChromeæ¡å¼µã«ããå¦çãè¨æ¸¬ã«å«ã¾ãã¦ãã¾ãã Lighthouse ã¬ãã¼ãã®èªã¿æ¹ ç¹æ°é¨åã«ãã¦ã¹
ãã®è¨äºã¯ãè² è·ãã¹ãåå¦è åãã®è¨äºã®ç¬¬ 1 åã¨ãã¦ãè² è·ãã¹ãã¨ã¯ï¼ããAWSä¸ã§ã®è² è·ãã¹ãã®æ¹æ³ãã解説ãã¦ãã¾ãã æ¬¡åã®è¨äºä»¥éã«ã¦ãã Distributed Load Testing on AWS ããå©ç¨ãã¦å®éã«è² è·ãã¹ãã宿½ããã¾ã§ã®è©¦é¨è¨ç»ã宿½ã¾ã§ã®æµãã解説ãã¾ãã ããã«ã¡ã¯ï¼ã¨ã³ã¿ã¼ãã©ã¤ãºã¯ã©ã¦ãé¨ã¯ã©ã¦ãã³ã³ãµã«ãã£ã³ã°èª²ã®æ¥é«ã§ãã ããç§ã®ãã¨ãå°ãã§ãç¥ãããã¨æã£ã¦ããã ãããªããç§ã®å¾è¼©ãæ¸ãã¦ããã以ä¸ã®ããã°ãè¦ãã¦ã¿ã¦ãã ããã sabawaku.serverworks.co.jp ã¯ããã« è² è·ãã¹ãã®åºç¤ è² è·ãã¹ãã¨ã¯ä½ã å¦çéï¼ã¹ã«ã¼ãããï¼ å¦çæéï¼ã¬ã¹ãã³ã¹ã¿ã¤ã ï¼ Tips: ã¬ã¹ãã³ã¹ã¿ã¤ã ãå¹³åå¤ã§ã¯ãªãçµ±è¨çã«è¦ãçç± ãªã宿½ããã®ã å®ç¾© è² è·ãã¹ãã®é²ãæ¹ å ¨ä½å 試é¨è¨ç» è©¦é¨æºå 試é¨å®æ½ çµæè©ä¾¡
ããã«ã¡ã¯ã ã¡ãã£ã¢ãµã¼ãã¹éçºé¨ Webã¢ããªã±ã¼ã·ã§ã³éçºèª²ã®ããµã®ã³(é«ï¨)ã§ãã Ruby on Railsã«ããããã¯ã¨ã³ãã®å®è£ éç¨ã¨AWSã«ãããµã¼ãã¹ã¤ã³ãã©ã®è¨è¨æ§ç¯ãä¸å¿ã¨ãããããããããã¯ã¨ã³ãæ¹é¢ã®ããã¯ãªã¼ãã¨ãã¦ãã³ãã³æ¼«ç»ãéçºãã¦ãã¾ãã æ¬è¨äºã§ã¯ãç§ãã¡ãéçºã»éç¨ãã¦ããRails製ã®json APIããã¯ã¨ã³ãã«ããã¦ãmallocã®å®è£ ã¨ãã¦jemallocã使ãããã«å¤æ´ãããã¨ã«ã¤ãã¦ã話ãã¾ãã èæ¯ ç§ãã¡ã2020å¹´4æããéçºãã¦ãããã³ãã³æ¼«ç»ã®Rails製json APIããã¯ã¨ã³ã(以éãæ°ããã¯ã¨ã³ããã¨å¼ã³ã¾ã)ã¯ã2010å¹´8æã®ãµã¼ãã¹éå§ä»¥æ¥ãµã¼ãã¹ãæ¯ãç¶ãã¦ããPHP製ã¢ããªã±ã¼ã·ã§ã³ã®ãã¸ãã¹ãã¸ãã¯ã«é¢ããå¼å¹´é·å®®çç§»è¡å ã§ãããå½åããAWS ECS Fargateä¸ã§å®è¡ãã¦ãã¾ãã*1 ä»å¹´8æã«ãªãªã¼
By Sedrubal HTTP/3ã¯2022å¹´ã«æ¨æºåãããHTTPã®ä»æ§ã§ãéçºå½åã¯ãHTTP over QUIC(QUICã使ç¨ããHTTP)ãã¨å¼ã°ãã¦ãã¾ãããHTTP/3ã使ç¨ãããã¨ã§éä¿¡ããã©ã¼ãã³ã¹ãåä¸ããã¨ããã¦ãã¾ãããç¹å®ã®æ¡ä»¶ã«ããã¦ã¯æ§ãã¼ã¸ã§ã³ã®HTTP/2ã®æ¹ãããã©ã¼ãã³ã¹ãé«ã¾ãã¨ããè«æãçºè¡¨ããã¾ããã QUIC is not Quick Enough over Fast Internet | Proceedings of the ACM Web Conference 2024 https://dl.acm.org/doi/10.1145/3589334.3645323 QUIC is not Quick Enough over Fast Internet - YouTube 2024å¹´æç¹ã§ã¯HTTPã«ã¯å¤§ãã3ã¤ã®ãã¼ã¸ã§ã³ãåå¨ãã¦ãã¾ãã
ããã«ã¡ã¯ãæè¡æ¬é¨ SREé¨ åºå¹¹ãã©ãããã©ã¼ã SREãã¼ã ã®æè¤ã§ããæ®æ®µã¯ZOZOã®æã£ã¦ããå庫ã·ã¹ãã ããã©ã³ãæ§ã触ã管çãã¼ã¸ãªã©ã®ãµã¼ãã¹ã®ãªã³ãã¬ãã¹ã¨ã¯ã©ã¦ãã®æ§ç¯ã»éç¨ã«æºãã£ã¦ãã¾ããã¾ãDBREã¨ãã¦ZOZOTOWNã®ãã¼ã¿ãã¼ã¹å ¨è¬ã®éç¨ã»ä¿å®ãå ¼åãã¦ããã¾ãã 7æ11æ¥ã12æ¥ã«è¡ããããdb tech showcase 2024ãã«ãDBREãã5åã®ã¨ã³ã¸ãã¢ãåå ãã¾ããããã®è¨äºã§ã¯ä¼å ´ã®æ§åã¨å°è±¡ã«æ®ã£ãã»ãã·ã§ã³ã«ã¤ãã¦ãç´¹ä»ãã¾ãï¼ db tech showcaseã¨ã¯ ä¼å ´ã®æ§å ã»ãã·ã§ã³ã¬ãã¼ã ãããã« db tech showcaseã¨ã¯ å½å æå¤§è¦æ¨¡ã®ãã¼ã¿ã¨ãã¼ã¿ãã¼ã¹é¢é£ã®ã«ã³ãã¡ã¬ã³ã¹ã§ãããã®ã¤ãã³ãã§ã¯ããã¼ã¿ãã¼ã¹ã®å°éå®¶ãã¨ã³ã¸ãã¢ãITæ¥çã®ãªã¼ãã¼ãã¡ãä¸å ã«ä¼ããæ°ããæè¡ãã½ãªã¥ã¼ã·ã§ã³ãäºä¾ããã¦ãã¦ãå ±
æ¬ã¨ã³ããªã§ã¯ãPHP ã®å é¨å®è£ ï¼php-srcï¼ãã OPcache ã®ãªãã³ã¼ããã£ãã·ã¥ã®ä»çµã¿ãè¦ã¦ããã¾ãã OPcache ã«ã¯ããã¤ãã®æ©è½ãããã¾ãããããã§ã¯å ±æã¡ã¢ãªã¸ã®ãªãã³ã¼ããã£ãã·ã¥ã¨ preload ã対象ã§ãããã¡ã¤ã«ãã¼ã¹ã®ãã£ãã·ã¥ã¨ JIT ã«ã¤ãã¦ã¯è§¦ãã¾ããã ãµã㪠ãªãã³ã¼ããã£ãã·ã¥ preload ãªãã³ã¼ããã£ãã·ã¥ã¨ preload ã®æ¯è¼ ãªãã³ã¼ããã£ãã·ã¥ ãã£ãã·ã¥ãã¼ã¿ã¬ã¤ã¢ã¦ã ã°ãã¼ãã«å¤æ°ããã¯ã ãã£ãã·ã¥ãã¼ã¿æ§é ä½ ãªãã³ã¼ããã£ãã·ã¥: ZCSG(hash) ãã£ãã·ã¥ã¨ã³ããª: zend_accel_hash_entry ãã£ãã·ã¥ãã¼ã¿åæå OPcache å¦çã®æå¹å PHP ãã¡ã¤ã«ã³ã³ãã¤ã«å¦çã§ã®ãã£ãã·ã¥å¶å¾¡ persistent_compile_file() ã®ä¸»ãªå¦ç zend_accel_
ä»åã¯ãSSHæ¥ç¶ãåçã«é«éåããæ¹æ³ããç´¹ä»ãã¾ãããã£ã3è¡ã®è¨å®ã追å ããã ãã§ãæ¥ç¶æéã10åã®1ã«ç縮ã§ãã¾ãããããã2åç®ä»¥éã®æ¥ç¶ã§ã¯èªè¨¼ãèªåçã«è¡ãããã®ã§ããã¹ã¯ã¼ãããã¹ãã¬ã¼ãºã®å ¥åãä¸è¦ã«ãªãã¾ãã è¦ç¹ .ssh/configãã¡ã¤ã«ã®Host *ã»ã¯ã·ã§ã³ã«ä»¥ä¸ã®3è¡ã追å ããã ãã§ãã 詳ãã説æ 1. ControlMaster auto ãã®è¨å®ã§ã1ã¤ã®SSHæ¥ç¶ã§è¤æ°ã®ã»ãã·ã§ã³ãå ±æã§ããããã«ãªãã¾ããæ°ããSSHæ¥ç¶ã確ç«ãããã³ã«èªè¨¼æ å ±ãå ¥åãç´ãæéãçãã¦ãæ¥ç¶ããã£ã¨éããªãã¾ããå ·ä½çã«ã¯ï¼ ååã®æ¥ç¶æã®ã¿èªè¨¼ãå¿ è¦ 2åç®ä»¥éã¯æ¢åã®æ¥ç¶ãåå©ç¨ãããããèªè¨¼ããã»ã¹ãã¹ããã ãã¹ã¯ã¼ãããã¹ãã¬ã¼ãºã®å ¥åãä¸è¦ã«ãªããæ¥ç¶ãã»ã¼ç¬æã«å®äº 2. ControlPath ~/.ssh/mux-%r@%h:%p Contr
ã¢ãªã¹ã¯é©ãã¨è奮ãæãããã¾ããã§ããã彼女ã¯ããã«æ°ããã³ã¼ãã試ãããã®éãã«ç®ãè¦å¼µãã¾ãããä»ã¾ã§æ°æéããã£ã¦ããè¨ç®ããã»ãã®æ°åã§çµãã£ãã®ã§ãã ç¿æ¥ãã¢ãªã¹ã¯ãã®çºè¦ãå人ãã¡ã«è©±ãã¾ãããå人ãã¡ãåãããã«éæ³ã®æ¬ã使ããå½¼ãã®ã³ã¼ããé«éåãã¾ããããããã¦ãããã°ã©ãã³ã°çå½å ¨ä½ã§ãJITã®éæ³ã®æ¬ããåºã¾ãã¾ããã ããã¦ãã¢ãªã¹ã¯çå½ã®ããã°ã©ãã³ã°å¤§ä¼ã§åªåããJITã®éæ³ã®æ¬ã®åãããã«åºãããã¨ã«ãªãã¾ããã彼女ã¯ãJITã®å®è·è ãã¨ãã¦ç§°ããããããã°ã©ãã³ã°çå½ã¯ãã¤ã¦ãªãç¹æ ãè¿ãã¾ããã ã¢ãªã¹ã¯ãã¤ãå¿ã«èªãã¾ãããã©ããªã«å¼·åãªãã¼ã«ããããã使ã人ã ã®åªåã¨æ ç±ããã£ã¦ãããæ¬å½ã®åãçºæ®ããã®ã ã¨ã彼女ã®è¨èã¯æ¬¡ä¸ä»£ã®ããã°ã©ãã¼ãã¡ã«ä¼ãããJITã®éæ³ã®æ¬ã¯æ°¸é ã«åãç¶ããã¦ããã®ã§ããã ååã®ããããã Python count
ã¯ããã« ããã«ã¡ã¯ï¼æ ªå¼ä¼ç¤¾ã¹ãã¼ããã³ã¯ã§ãµã¼ããµã¤ãã¨ã³ã¸ãã¢ããã¦ãã @nagasawa ã§ãã 2024å¹´6æããå¼ç¤¾ã§ã¯ Ruby 3.3.2 ãæ¬çªã¢ããªã±ã¼ã·ã§ã³ã§ç¨¼åããå§ããããããã¼ã¸ã§ã³ã¢ããåã¨æ¯è¼ãã¦ã©ã®ç¨åº¦ããã©ã¼ãã³ã¹ã«å¤åãç¾ããã®ãããç´¹ä»ãããã¾ãã ã¾ããä»åãæ©ã« YJIT Metrics ã®å¯è¦å㨠YJIT ã®é å»¶èµ·åã«ãåãçµãã ããããã®ææ³ã广ã«ã¤ãã¦ããã®è¨äºå ã§ã·ã§ã¢ã§ããã°ã¨èãã¦ãã¾ãã åæ ä¸å³ã®ã·ã¹ãã ã¢ã¼ããã¯ãã£å³ã®éããå¼ç¤¾ã§ã¯ Ruby 㨠Rails ã§éçºãããããã¤ãã®ã·ã¹ãã ã稼åããã¦ãã¾ãã ãã®è¨äºã§ã¯ core-api ã¨å¼ã°ãã¦ããç§éãéçºãã¦ããå®¶è¨ç°¿ããªã« B/43ãã®æ©è½ã®ã»ã¼å ¨ã¦ãæä¾ãã¦ããã·ã¹ãã ã®ããã©ã¼ãã³ã¹å¤åããå ±åãããã¾ãã ãã¼ã¸ã§ã³ã¢ããå ãã¼ã¸ã§ã³ã¢ããå¾ Ru
Natureã¨ã³ã¸ãã¢ã¤ã³ã¿ã¼ã³çã®å¾è¤ã§ãããã®è¨äºã§ã¯ãã¤ã³ã¿ã¼ã³æéä¸ã«åãçµãã firequeueã®æ¹ä¿®ã«ã¤ãã¦ã話ãã¾ãã èæ¯ Natureã®ããã¯ã¨ã³ãã«ã¯Nature Remoããã¡ãã»ã¼ã¸ãåãåãã¨ã³ããã¤ã³ããããã®ã§ããããã®ã¨ã³ããã¤ã³ãã¯ã¡ãã»ã¼ã¸ãæ¥ããã³ã«å©ãããã®ã§ãNatureã®APIãµã¼ãã¹ã®ä¸ã§æãåè¨ã¬ã¤ãã³ã·ã¨ãªã¯ã¨ã¹ãæ°ã大ãããã®ã¨ãªã£ã¦ãã¾ãã ã¨ã³ããã¤ã³ãæ¯ã®ãªã¯ã¨ã¹ãæ°ã¨ç´¯ç©æé 詳ãããã®APIã®ã¬ã¤ãã³ã·ã®å 訳ãè¦ã¦ã¿ãã¨ããã®ä¸ã§ãFirehoseãå æãã¦ããæéã40%ã¨æãé·ããªã£ã¦ãã¾ããã APIã®ã¬ã¤ãã³ã·ã®å 訳 ã¾ããNatureã§ã¯firehoseã¸ã®éä¿¡ã«firequeueã¨ããGoè¨èªã®packageã使ç¨ãã¦ãã¾ããfirequeueã¯ãAmazon Kinesis Data Firehoseã¸ã®ã¢ã¤ãã ã®
ããã«ã¡ã¯ãSREã®kyontanã§ããRubyã大好ããªã®ã§Rubyã®è©±ããã¾ããã¡ãªã¿ã«ãªã¯ã«ã¼ãã¯RubyKaigi 2024ã¸Gold Sponsorã¨ãã¦åè³ãã¦ãã¾ã! *1ããã²æ²ç¸ã§ãä¼ããã¾ãããã ããã¯ããã¢ããªã±ã¼ã·ã§ã³ã®ã¡ã¢ãªæ¶è²»éã示ãã°ã©ããªã®ã§ãããã¾ããgemãå ¥ãæ¿ããã ãã§ãããªã«å¬ããå¤åãè¦ãããã¨ã¯æã£ã¦ãã¾ããã§ããã仿¥ã¯ãããªgemã®è©±ããã¾ãã 話ã¯é¡ã£ã¦2023å¹´4æã®ããæ¥ãã¤ã³ã¿ã¼ããããçºãã¦ããã¨ãããShopifyãpitchforkã¨ããOSSãå ¬éããã¨ããæ å ±ãç®ã«çã¾ãã¾ããã 調ã¹ã¦ã¿ãã¨ãã©ãããèåãªRackãµã¼ãã¼å®è£ ã®1ã¤ã§ããunicornã®æ´¾ççã§ãããã¡ã¢ãªä½¿ç¨éã®åæ¸ã«ç¹åãã¦ãããããã®ã§ãã github.com ããã¯ã¹ã¿ãã£ãµããªå°ä¸é«ã®ãã®ãªã½ã¼ã¹ãã«é£ããã¤ã¯ããµã¼ãã¹ç¬¬ä¸ä½ã§ãã api
ã¯ããã« ã¿ãªããã¯DBã®ã¤ã³ããã¯ã¹ãæ£ãã使ãã¦ãã¾ããï¼ ç§ã¯ãªãã¨ãªããDBã®ããã©ã¼ãã³ã¹ãåä¸ããããã®ãã®ãã¨ããèªèã¯ãã£ãã®ã§ããã ã©ã®ãããªå ´é¢ã§ä½¿ããã®ãªã®ããéã«ã©ã®ãããªå ´é¢ã§ã¯ä½¿ãã¹ãã§ãªãã®ããªã© æç¢ºã«çè§£ã§ãã¦ãã¾ããã§ããã ä»åã¯ãããªã¤ã³ããã¯ã¹ã«ã¤ãã¦ã®çè§£ãæ·±ãããã¨æãã¾ãã ã¤ã³ããã¯ã¹ã¨ã¯ ã¤ã³ããã¯ã¹ã¨ã¯ããã®åã®éããç´¢å¼ãã§ãã 表ç¾ã®ä»æ¹ã¨å¤ããã¨ã(x, a)ã¨ããå½¢å¼ã®é åã§ããã¨ãè¨ãã¾ãã xã¨ãããã¼å¤ã¨ããã«çµã³ã¤ãaã¨ãããã¼ã¿æ å ±ãããã ãããå©ç¨ãããã¨ã§ãã¹ã¦ã®ãã¼ã¿ãç¶²ç¾ ãã¦è¦ããã¨ãªãã ã¾ãã«æ¬ã®ç´¢å¼ã®ããã«ç®çã®ãã¼ã¿ã«ãã©ãçããã¨ãã§ãã¾ãã ã¤ã³ããã¯ã¹ã¯SQLã®ããã©ã¼ãã³ã¹ãæ¹åããããã®é常ã«ããã¥ã©ã¼ãªææ®µã§ããã çç±ã¨ãã¦ã¯ä¸è¨ã®3ç¹ãæãããã¾ãã ã¢ããªã±ã¼ã·ã§ã³ã®ã³ã¼ãã«å½±é¿ã
ã©ããã¿ã ã¼ã¨ãã§ã. æè¿ããã©ã¼ãã³ã¹å¨ãã§åé¡ããããããã¦ãã¾ã£ãã®ã§, ããã©ã¼ãã³ã¹ã®å£åãæå¶ããæ¹æ³ã調ã¹ã¦ã¿ã¾ãã. æ¦è¦ 3 è¡ã§ã¾ã¨ã public repository ã§ããã°, CodSpeed ãç¡æã§å©ç¨ã§ãã main ãã©ã³ãã§ã®ããã©ã¼ãã³ã¹ãè¨æ¸¬ãã¦ãã, Pull Request ã§å£åãããè¦åãã¦ããã CodSpeed ãã, å é¨å¦çã詳細ã«è¿½ããã¨ãã§ãã åæç¥è vitest ã§ããã©ã¼ãã³ã¹ãã¹ããè¡ãæ§æãã§ãã¦ãããã¨ãæ¡ä»¶ã«ãªãã¾ã. å°å ¥æ¹æ³ã«ã¤ãã¦ã¯ãã®è¨äºã確èªãã¦ãã ãã. techblog.hacomono.jp CodSpeed ã¨ã¯ docs.codspeed.io ãªãã¦èªããã§ããããã»ã»ï¼ç§ã¯ã³ã¼ãã¹ãã¼ãã¨å¼ãã§ãã¾ãã, ã³ããã¹ãã¼ãã®ã»ããæ£ãããã»ã»ï¼ GitHub Actions ã§å®è¡ãã P
Ruby 3.2 YJIT is Battle-Tested Shopify deploys YJIT on business-critical services in production, such as Storefront Renderer, the software that powers all online storefronts on Shopifyâs platform, and Shopifyâs Monolith. As of the Ruby 3.2 release, YJIT sped up our Storefront Renderer by 10% on average. Storefront Renderer is a complex application. Your more reasonable-sized app might get better/w
ããã«ã¡ã¯ãSREã®æ¸ç°ã§ããæ¬æ¥ã¯JVMåå¼·ä¼ï¼éç¨ç·¨ï¼ã«ç¶ãã¦éå¬ããJVMåå¼·ä¼ï¼éçºç·¨ï¼ã®ä¸é¨ãå ¬éãã¾ãã å³1 åå¼·ä¼ã¯ãã£ã±ãGoogle Meetã§ãªã³ã©ã¤ã³éå¬ãã¾ãã ã·ã¹ãã ãããã㣠ã·ã¹ãã ããããã£ã¯ç°å¢å¤æ°ã®ããã«ãããã°ã©ã ã®æåãå¤ããããã«å©ç¨ãããã¨ãå¤ãã§ããä¾ãã°OpenJDKãã®ãã®ã§ã Integer.valueOf() ã§å¤ãã©ã®ç¨åº¦ãã£ãã·ã¥ããã*1ãè¨å®ããããã«ã·ã¹ãã ããããã£ã使ã£ã¦ãã¾ãã ä»ã«ã user.language ãããã¯ããç¥ããã¦ãã¾ãããæ¨æºã§æä¾ãããã·ã¹ãã ããããã£ã夿°ããã¾ããããã製åã³ã¼ãããç´æ¥åç §ãããã¨ã¯åºæ¬ãªãã¨æã£ã¦ãã¦ã File.pathSeparator ãªã©ã®æä¾ãããAPIã使ããã¨ãæã¾ããã§ããããã¾ãã·ã¹ãã ããããã£ã¯åçã«å¤æ´ãããã¨ãå¯è½ã§ãããã·ã¹ãã ããããã£ã
ä»åã¯ãSQLãæ¸ãä¸ã§ç¹ã«ããã©ã¼ãã³ã¹ã«å½±é¿ã®ããSQLã®å®è¡è¨ç»ã®èªã¿æ¹ã«ã¤ãã¦è§£èª¬ãã¾ããå®è¡è¨ç»ã¯ãã¼ã¿ãã¼ã¹è£½åã«ãã£ã¦ãã¾ãã¾ã«å·®ç°ãããã¾ãããããã§ã¯æ¯è¼çã©ã®ãã¼ã¿ãã¼ã¹è£½åã§ãå ±éããå 容ã«ã¤ãã¦è§£èª¬ãã¾ãã å®è¡è¨ç»ã¨ã¯è¨è¿°ããSQLãå®éã«ãã¼ã¿ãã¼ã¹ã®å é¨ã§ã©ã®ããã«å¦çããã¦çµæãè¿ããããã®å¦çæ¹æ³ãè¨è¿°ããæ å ±ã§ãã A5:SQL Mk-2ã§ã¯ãSQLã¨ãã£ã¿ã§å®è¡è¨ç»ãè¦ãã SQL ã®ä¸ã«ãã£ã¬ãããããç¶æ ã§ã¡ãã¥ã¼ãã [SQL(S)] â [SQLã®å®è¡è¨ç»(J)] ã¾ãã¯ãCtrl+E ã§è¡¨ç¤ºã§ãã¾ãã 表示ã®ä»æ¹ã¯ãã¼ã¿ãã¼ã¹è£½åãã¨ã«ç°ãªãã¾ãããå¤ãã®ãã¼ã¿ãã¼ã¹è£½åã§ã¯ããªã¼ç¶ã®æ å ±ã¨ãã¦è¡¨ç¾ããã¾ããï¼ãã®ãã A5:SQL Mk-2ã§ãããªã¼ãã¥ã¼ã§å®è¡è¨ç»ã表示ãã¾ããï¼ ããªã¼ã®ãªã¼ãï¼ç«¯ï¼ããå¦çãè¡ãããã«ã¼ãï¼æ ¹ï¼ã«åãã£
ãZTLS: A DNS-based Approach to Zero Round Trip Delay in TLSãã¨ããè«æãå ¬éããã¦ãããã¢ã¤ãã¢ãé¢ç½ãã®ã§ç°¡åã«çºããã PDFãä»ã®ã¨ããACMã®ãµã¤ãããè¦ãã https://dl.acm.org/doi/abs/10.1145/3543507.3583516 æ¦è¦ DNSããTLSãã³ãã·ã§ã¤ã¯ã«å¿ è¦ãªæ å ±ãéç¥ãã0-RTTãã³ãã·ã§ã¤ã¯ãè¡ã é常ã®TLSã¨äºææ§ããã ã·ã¼ã±ã³ã¹å³ (å¼ç¨: ãZTLS: A DNS-based Approach to Zero Round Trip Delay in TLSã Figure 3) äºåã«ããµã¼ãå´ã¯Z-Data(ãã³ãã·ã§ã¤ã¯ã«å¿ è¦ãªæ å ±)ãDNSã«ã¢ãããã¼ããã¦ãã ã¯ã©ã¤ã¢ã³ãã¯ãµã¼ãDNSã«å¯¾ãã¦Aã¬ã³ã¼ãã¨ãZ-Dataãå«ãã¬ã³ã¼ãã並åã«åãåããå
ã©ã³ãã³ã°
ã©ã³ãã³ã°
ãç¥ãã
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}