é±åå°å¹´ã¸ã£ã³ãå²ä¸æãéè¦ãªãã³ã¬20é¸ã https://anond.hatelabo.jp/20241012181121 é±åããã°ã³ããã¯ã¹ããªããå²ä¸æãéè¦ãªãã³ã¬5é¸ https://anond.hatelabo.jp/20241014232424 é±åã¤ã³ã°ãã¬ã¸ã³å²ä¸ãæéè¦ãªæ¼«ç»10é¸ãhttps://anond.hatelabo.jp/20241016182953 ãªããæµãã«ã®ã£ã¦ã誰ãã¢ãã¿ãã¼ã³ãããªãã®ããªï¼ãã¨ãè¨ã£ã¦ããããèªåã§ãã£ã¦ã¯â¦ï¼ãã¨è¨ãããã®ã§ã ããã¾ã§è©³ããèªä¿¡ããªãããç¥ããããã§ããªããããã®ã¨ãããªã®ã§ãã¨ããããæ¸ãã ------ â ããã£å¥³ç¥ãã¾ã£ï¼è¤å³¶åº·ä»ï¼ã¢ãã¿ãã¼ã³åæã®éè¦ä½åã¯ãæããã«ãããWikipediaã«ããçæ¿ä½å®¶ã§ãã£ãè¤å³¶åº·ä»ä»¥å¤ã¯ã»ã¨ãã©ç¡åã®æ°äººä½å®¶ã®ä½åãæ²è¼ãã¨æ¸ããã¦ããããã«ãåæã®ã¢ãã¿ã
æåã«èããããä¹äºå çã¨ã²ã¼ã ã®åºä¼ãââä»åã¯ãããã³ã¸ã§ã³é£¯ãã®æºæµã¨ãªã£ã¦ãããã²ã¼ã ããã®å½±é¿ããä¸å¿ã«ãèããã¦ãããã°ã¨æãã¾ããã¾ããä¹äºå çã®åä½é¨ã¨ãªã£ã¦ããã²ã¼ã ã¯ãã©ããã£ãã¿ã¤ãã«ãªã®ã§ããããï¼ ä¹äºè«åæ°(以ä¸ãä¹äºæ°)ï¼ ãªã¼ã½ããã¯ã¹ã«ãããã©ã¯ã¨ãããFFãã¨ãã£ãRPGãéãã§ãã¾ããã ããããåãã¦è§¦ã£ãã²ã¼ã æ©ã¯ãã¡ãã³ã³ã ã£ãã¨æãã®ã§ãããããã親ãæ¸è³ã§å½ã¦ã¦ãããã®ã ã£ããã§ããã ããããã¡ãã³ã³ã¯ãã¤ã®éã«ã家ã«ããã¾ããããã®æ¬¡ã®ã¹ã¼ãã¡ãã¨PS1ã¯è¦ªã«è²·ã£ã¦ããã£ãã®ããªâ¦â¦ã ããããPS2ãããã®ææã¯ã¡ãã£ã¨ã²ã¼ã ããé¢ãã¦ããã®ã§ãããPS4ãããã®ææã«ãªã£ã¦ãããããèªåã®ç¨¼ãã ãéã§ã²ã¼ã ãè²·ããããã«ãªãã¾ããã ââPS2ãããã®ææã¯ãã©ããã¦ã²ã¼ã ããé¢ãããã¦ããã®ã§ãããï¼ ä¹äºæ°ï¼ åç´ã«åé¨ãããªãã¡ã
TiDB User Day 2024ã®ç»å£è³æã§ãã
ãLinuxã«ã¼ãã«2.6解èªå®¤ãï¼ä»¥éãæ§çï¼åºçå¾ãLinuxã«ã¯å¤ãã®æ©è½ã追å ãããã¨ã³ã¿ã¼ãã©ã¤ãºé åãã¯ããã¨ããæ§ã ãªå ´æã§ä½¿ãããããã«ãªãã¾ããã ããã«ä¼´ãã³ã¼ããè¥å¤§ãã¤è¤éåããå¤ãã®ã¨ã³ã¸ãã¢ã«ã¨ã£ã¦è§£èªä¸è½ãªãã©ãã¯ããã¯ã¹ã¨ãªã£ã¦ãã¾ãã ä¸çä¸ã®ãããã¨ã³ã¸ãã¢éã®åä½ã§ããLinuxã«ã¼ãã«ã«ã¡ã¹ãå ¥ãããã©ãã¯ããã¯ã¹ãããéãã¦ãæã«å¥½å¥å¿ã®èµ´ãã¾ã¾ã«ã«ã¼ãã«ã®ä¸çã解èªãããæ°Linuxã«ã¼ãã«è§£èªå®¤ãããã¸ã§ã¯ãã æ¬ç¨¿ã§ã¯ãæ§ç第21ç« ã§è§£èª¬ããã¦ããã½ã±ããã¤ã³ã¿ã¼ãã§ã¼ã¹ã«ã¤ãã¦ãã«ã¼ãã«v6.8ã®ã³ã¼ãããã¼ã¹ã«ä¸»ã«ãã¼ã¿æ§é ãä¸å¿ã«è§£èª¬ãã¾ãã ã¯ããã« ã½ã±ããã®å®ä½ã¨æ¦è¦ ã½ã±ããæä½é¢æ°ã®å®è£ ãã¡ã¤ã«æä½é¢æ°ã«ããã½ã±ããæä½ã®å®è£ 次åäºå: ã½ã±ããçæç·¨ å·çè : é ç° å²å¿ã稲è è²´æ â» ãæ°Linuxã«ã¼ãã«è§£èªå®¤ã
ãOblivious HTTPãã¯ã¦ã¼ã¶ã®ãã©ã¤ãã·ãåä¸ããããã®æè¡ã§ãããåãã©ã¦ã¶ãã³ãã¼ããã³CDNãã³ãã¼ãå®è£ ãè¡ã£ã¦ãã¾ãã åãçµã¿ã«ã¤ãã¦ã¯ãå¹¾ã¤ãã®è¨äºãããã£ã¦ãã¾ã ãGoogleãChrome ã¦ã¼ã¶ã¼ã®ãªã³ã©ã¤ã³ãã©ã¤ãã·ã¼ä¿è·ãå¼·åãããã©ã¤ãã·ã¼ãµã³ãããã¯ã¹ã®ã¤ãã·ã¢ããã« Fastly Oblivious HTTP ãªã¬ã¼ãæ¡ç¨ã ãBuilt for privacy: Partnering to deploy Oblivious HTTP and Prio in Firefoxã ä»åã¯ä»æ§ã®è¦³ç¹ã§ããããã³ã«ã®ä¸èº«ã«è§¦ãã¦ãã èæ¯ã¨ç®ç é信観ç¹ã®ãã©ã¤ãã·ã¼ã«ã¤ãã¦ã¯ãéä¿¡ã®æå·åã«ããã»ã¨ãã©ãä¿è·ããã¦ãã¾ããããããå¹¾ã¤ãæ¸å¿µãæ®ã£ã¦ãã¾ãã IPã¢ãã¬ã¹ã¯ãçæçã«åä¸ã¦ã¼ã¶ãèå¥ããã®ã«ä½¿ç¨ã§ãã ã³ãã¯ã·ã§ã³ã¯ãä¸é£ã®éä¿¡ãåä¸ã¦ã¼
Linuxã«ãããSegmentation Offloadã¨ã¯TCPãªã©ã®ãã©ã³ã¹ãã¼ãã¬ã¤ã¤ã®ãããã³ã«ãéä¿¡ãããã¼ã¿ãMTUã«åã¾ãããã«åå²ããå¦ç(Segmentation)ãNICã®ã¬ã¤ã¤ã«ãªããã¼ããããã¨ã«ãã£ã¦ã¹ã«ã¼ããããåä¸ãããæè¡ã§ã. Segmentation Offloadã使ã£ãå ´å, ãã©ã³ã¹ãã¼ãã¬ã¤ã¤ã®ãããã³ã«ã¯IPã¬ã¤ã¤ã§è¨±å®¹ãããæ大ã®ãµã¤ãº(64KBç¨åº¦)ã¾ã§ã®ãã¼ã¿ã1ã¤ã®IPãã±ããã§éä¿¡ãããã¨ãã§ãã¾ã.ãåä¿¡å´ã¯éã«ãããã¯ã¼ã¯ããå ¥ã£ã¦ããSegmentationæ¸ã¿ã®ãã±ãããNICã®ã¬ã¤ã¤ã§1ã¤ã®å¤§ããªIPãã±ããã«éç´ããä¸ã§ãããã³ã«ã¹ã¿ãã¯ã®å¦çã«ããã¾ã. ããã«ãã£ã¦ãããã³ã«ã¹ã¿ãã¯ã§å¦çããããã±ããã®åæ°ãæ¸ãããã¨ãã§ãããã, ã¹ã«ã¼ããããä¸ããã¨ããä»çµã¿ã§ã. Linuxã«ã¯ä»®æ³ãããã¯ã¼ã¯ããã¤ã¹ã¨ã
è±èªã®ãAuthenticationããæ´çãã ããããã¯å ã»ã©ã®åé¡ã§è¨ãã¨ããã®ãã¦ã¼ã¶èªè¨¼ãã¨ãã¦ã®ãèªè¨¼ããã¤ã¾ãè±èªã®ãAuthenticationãã«è©²å½ãããèªè¨¼ãã«ã¤ãã¦ãããã«æ´çãé²ãã¦ããã¾ãã å ã»ã©ããã¦ã¼ã¶èªè¨¼ãããã·ã¹ãã ãå©ç¨ãããã¨ãã¦ããã¦ã¼ã¶ããã·ã¹ãã ã«ç»é²æ¸ã¿ã®ã¦ã¼ã¶ãã©ããèå¥ããã¦ã¼ã¶ã主張ãã身å ãæ¤è¨¼ããããã»ã¹ãã¨èª¬æãã¾ããããã¦ã¼ã¶ã®èå¥ãã¨ã身å ã®æ¤è¨¼ãã¯ã¦ã¼ã¶èªè¨¼ã«æ¬ ããã¾ããããå®éã¯ä»ã«ããã¦ã¼ã¶ã®æå¹ï¼ç¡å¹ç¶æ ã®ç¢ºèªãããæ¤è¨¼ã«æåããå ´åã®èº«å ã®ä¿è¨¼ï¼ã¢ã¯ã»ã¹ãã¼ã¯ã³ã®çºè¡çï¼ããªã©ã®å¦çãä¸è¬çã«ã¦ã¼ã¶èªè¨¼ã®ããã»ã¹ã«ã¯å«ã¾ãã¾ãã ããã§åé ã®ãââèªè¨¼ããæ¯ãè¿ãã¾ãããããã¹ã¯ã¼ãèªè¨¼ãSMSèªè¨¼ãæç´èªè¨¼ãé¡èªè¨¼ã¯å®ã¯ããã§è¨ãã¦ã¼ã¶èªè¨¼ã«ã¯è©²å½ãããã¦ã¼ã¶èªè¨¼ä¸ã®ä¸å¦çã§ããã身å ã®æ¤è¨¼ããæ ã£ã¦ãããã¨ãã
Webãã©ã¦ã¶ã§OSåããã¦ã©ãããã ã ã¨ããæ ¹æºçãªçåã«åçãç¡ãã¾ã¾ã¨ããããã§ãã¡ãã£ããã â» ã³ãã³ããçµäºãã¦ãããã³ãããåºã¾ãããEnterã空æã¡ããå¿ è¦ãããã¾ã (ãã°) WasmLinuxã¯ãWebAssembly "ãã¤ãã£ã" ãªLinuxç°å¢ã§ããã«ã¼ãã«ãã¦ã¼ã¶ã¼ã©ã³ãããWebAssemblyã®ãã¼ã«ãã§ã¤ã³ã§ã³ã³ãã¤ã«ãããWebAssemblyã¢ã¸ã¥ã¼ã«(ãwasm2cã§Cã«ãããã®)ã§ãã ååã¯ã«ã¼ãã«ããåãã¦ããªãã£ããã§ãããä»åã¯ãã©ã¦ã¶ä¸ã§ ifconfig lo up ã㦠ping 127.0.0.1 ããã top ããã vi ãããã§ãã¾ããBusyBoxå ¥ã£ã¦ãã®ã§ã ãã ãã¾ã å®ç¨æ§ã¯çç¡ ã§ããProof of Conceptã£ã¦å¥´ã§ããã ååã®è¨äº: ä»åã¯MUSL libcã移æ¤ãã¦BusyBoxãåãããã«ãªã£
ï¼»CEDEC+KYUSHUï¼½TRIGGERã®æ¼åºå®¶ãèªããå®ã¯æ¥ç人ãããåãã£ã¦ããªãã¢ãã¡ã¼ã·ã§ã³æ¼åºã®ä»äºã ã©ã¤ã¿ã¼ï¼ç®æ¬é²ä¸ ï¼Cï¼2022 CD PROJEKT S.A. ã¢ãã¡ã®å¶ä½ã«ã¯ãã¾ãã¾ãªå°éã¹ã¿ãããé¢ãã£ã¦ãããã·ããªãªãæ¸ããèæ¬å®¶ãï¼è¤æ°ã®åç»ãåããã¦åããä½ãåºããã¢ãã¡ã¼ã¿ã¼ãï¼ã·ã¼ã³ã«åã£ãBGMãå¹æé³ãå ãããé³é¿ãï¼ãããå ¨ä½ãã¾ã¨ãããç£ç£ããªã©ï¼ããããååã ãã§ä»äºã®å 容ãåããã ããã ã§ã¯ãæ¼åºãã¯ã©ãã ããããç©èªã®å±éããã¶ã¤ã³ããã®ã¯ãèæ¬å®¶ãã®ä»äºã ãï¼é³ä½ããããã®ã¯ãé³é¿ãã®ä»äºã ãå®éï¼æ¼åºãä½ããã¦ããã®ããæ確ã«èªãã人ã¯ï¼ã¢ãã¡æ¥ç人ã«ãå¤ãã¯ãªããããã CEDEC+KYUSHU 2023ã§ã¯ï¼ãããªæ¼åºã®ä»äºã«ç¦ç¹ãå½ã¦ãè¬æ¼ãå®ã¯æ¥ç人ãããåãã£ã¦ããªãã¢ãã¡ã¼ã·ã§ã³æ¼åºã®ä»äºããè¡ããããç»å£ããã®ã¯ï¼ã¢ã
ãIIJ 2023 TECHã¢ããã³ãã«ã¬ã³ãã¼ 12/16ã®è¨äºã§ãã ãã®è¨äºã«ã¤ã㦠èæ¯ï¼TCP ã¯ã³ã³ãã¥ã¼ã¿ãããã¯ã¼ã¯ã®éä¿¡ã«ããã¦åºãå©ç¨ããã¦ãããããã³ã«ã»æ¨æºåãããéä¿¡è¦æ ¼ã§ããã³ã³ãã¥ã¼ã¿ã¯ TCP/IP ã¹ã¿ãã¯ã¨å¼ã°ãããããªã½ããã¦ã§ã¢ãå®è¡ãããã¨ã§ãå®ããããè¦æ ¼ã«åã£ã¦éä¿¡ãè¡ãã¾ããæ±ç¨ OS ç°å¢ã§ã¯ãTCP/IP ã¹ã¿ãã¯ã¯å¤ãã®å ´åãã«ã¼ãã«ç©ºéã« OS æ©è½ã®ä¸é¨ã¨ãã¦å®è£ ããã¦ãã¾ãã 課é¡ï¼éä¿¡ã«é¢ããã½ããã¦ã§ã¢ã®ç 究ã³ãã¥ããã£ã§ã¯ããã®ãããªã«ã¼ãã«ç©ºéã«å®è£ ããã¦ãã TCP/IP ã¹ã¿ãã¯ã¯ãè¿å¹´ã®é«é㪠NIC ã®æ§è½ãååã«å¼ãåºããã¨ãé£ããã¨ãã課é¡ãææããã¦ãã¾ããã ãã¯ããã¯ã®ç´¹ä»ï¼å½è¨äºã§ã¯ãè¿å¹´ã®ç 究ã³ãã¥ããã£ã«ããã¦æ¯è¼çä¸è¬çãªé«éåãã¯ããã¯ã¨ããã¦ãããã«ã¼ãã«ããã¤ãã¹ï¼è¿åï¼ã㦠TCP éä¿¡ã
æ¦è¦ DBMS ã§åºãå©ç¨ããã¦ãã B+ tree ã«ã¯æ§ã 㪠variant ãåå¨ããããB-link tree ããã®1ã¤ã ã·ã³ãã«ãªã©ãããããã³ã«ã§ä¸¦è¡ã¢ã¯ã»ã¹ããã°ããããããªã¼ããã¼ã以å¤ã®ãã¼ãã«ãå³ã®é£æ¥ãã¼ãã¸ã®ãã¤ã³ã¿ãæãããæ§é ã¨ãªã£ã¦ãããPostgreSQL ã§ä½¿ããã¦ãããã¨ã§ãæåã ãã®è¨äºã§ã¯ä¸»ã«ãã® B-link tree ã«ç¦ç¹ãå½ã¦ãã B+ tree å ¨è¬ããã®ä»ã¤ã³ããã¯ã¹æè¡èªä½ã«èå³ãããå ´åã¯ãæå¼·DBè¬ç¾© #10 ãã¾ã©ãã®ãã¼ã¿ãã¼ã¹ç´¢å¼æè¡ï¼ç³å·ä½³æ²» ææï¼ãã®è¬ç¾©è³æãèªãã®ãããããã B-link tree ç解ããä¸ã§å¿ é ãªç¥èãã©ããã ãã©ãããã¨ããã®ã¯ããããããã¯ã®ãã¨ã ããDB ã«ããã¦ã¯ãããã¯ãã¨ããã¨ãã©ã³ã¶ã¯ã·ã§ã³åé¢ã®ããã®é«ä¾¡ãª(æ°åCPUãµã¤ã¯ã«ãè¦ãã)å¦çãæããã¨ãå¤ãããã©ãããã¨ãã
ã¯ããã« éçºé¨ã® ikasat ã§ãã çãã㯠git, ssh, rsync ã®ãããªå¤é¨ã³ãã³ããå¼ã³åºãã¹ã¯ãªãããæ¸ããããªã£ããã¨ã¯ããã¾ããï¼ å人çã«ãã®é¡ã®ã¹ã¯ãªããã¯æåã¯ã·ã§ã«ã¹ã¯ãªããã¨ãã¦æ¸ãã®ã§ãããæ¹ä¿®ãéãããã¡ã«è¥å¤§åãã¦å¦çãè¤éã«ãªãã å¾ãã Python ã®ãããªæ±ç¨ããã°ã©ãã³ã°è¨èªã§æ¸ãç´ããã¨ãããããã¾ãã å¤é¨ã³ãã³ãå¼ã³åºããæ¸ãç´ãéã«ãGit æä½ã®ããã« pygit2ã SSH æ¥ç¶ã®ããã« paramiko ã®ãããªã©ã¤ãã©ãªããããã使ãã®ã¯å¤§ãããã ã£ããã rsync ã«ç¸å½ãããããªããªããã©ã¤ãã©ãªãåå¨ããªãã£ããããå ´åãããã¾ãã ãã®ãããªæã¯æ¨æºã©ã¤ãã©ãªã® subprocess ã¢ã¸ã¥ã¼ã«ãå©ç¨ããPython ããå¤é¨ã³ãã³ããå¼ã³åºããã¨ã«ãªãã§ãããã ããããªãããPython ã®ãã¥ã¼ããªã¢ã«ã
æè¡é¨ã®ç¬¹ç°ã§ããä»æ¥ã§éè·ããã®ã§ããã¿ãã¿ã¨è¿å´ãªã©ã®æºåããã¦ãã¾ãã æ¬è¨äºã§ã¯ãRubyã®ä¸¦è¡ä¸¦åå¦çã®æ¹åã«ã¤ãã¦ã®ç§ã®åãçµã¿ã«ã¤ãã¦ãããã« RubyKaigi 2022 㨠2023 ã§çºè¡¨ããå 容ããã¨ã«ãç´¹ä»ãã¾ãã 並è¡ã¨ä¸¦åã¯ããä¼¼ãè¨èã§ãããæ¬è¨äºã§ã¯æ¬¡ã®ãããªæå³ã§ä½¿ãã¾ãã 並è¡å¦çï¼concurrent processingï¼ã¯ããè¤æ°ã®ç¬ç«ããå®è¡åä½ããå¾ ã£ã¦ããã°ãã¤ãçµããï¼ãããã¯ãå¦çãé²ãï¼ãã¨ããè«ççãªæ¦å¿µã§ãå¤å ¸çã«ã¯ã¿ã¤ã ã·ã§ã¢ãªã³ã°ã·ã¹ãã ãªã©ãæãããã¾ãã 並åå¦çï¼parallel processingï¼ã¯ããè¤æ°ã®ç¬ç«ããå®è¡åä½ã®ãã¡ã®ããã¤ãããããã¿ã¤ãã³ã°ã§åæã«åãã¦ãããã¨ããç©ççãªæ¦å¿µã§ãå¤å ¸çã«ã¯è¤æ°ã®CPUä¸ã§åæã«å®è¡ããããã¨ãããã®ã§ããæè¿ã§ã¯ã1ã¤ã®CPUä¸ã§è¤æ°ã³ã¢ãåæã«åãã¦ãããã¨ãã
ã¿ãªãã¾ãèªå¯ã®è¨è¨ã«è¦ããã§ããã§ããããï¼ç§ã¯è¦ããã§ãã¾ããè¦ãã¾ãªãã£ãç¬éãªã©ããã¾ãããæãã¢ããªã±ã¼ã·ã§ã³ã«ããã権éè¨è¨ã®èª²é¡ããå·çãã¾ãããããããã3年以ä¸ãçµã¡ã¾ãã å½æã¯èªå¯ã®è¨è¨ã«é¢ããæ å ±ããã¾ãã¾ã¨ã¾ã£ã¦ããè¨äºãªã©ã»ã¨ãã©ç¡ãã調ã¹ã«èª¿ã¹ã¦å¾ããã¬ãã¸ãæ¸ãè¨ããã®ãä¸è¨ã®è¨äºã§ãã3年以ä¸çµã¡ã¾ãããè¦æ©ãä»ãç¹ã«å¤ãã£ã¦ããªããã¨ãé©ãã§ãã ãã ããä¸ã®ä¸çã«ã¯èªå¯ã®ã©ã¤ãã©ãªã§ãã£ãããµã¼ãã¹ã¨ããã®ã¯å°ããã¤å¢ãã¦ãã¦ããå°è±¡ãããã¾ã(Auth0ã® OpenFGA ã§ãã£ããOsoã® Oso Cloud ãAsertoã® Topaz )ã èªå¯ã®è¨è¨ã«é¢ããè¨äºãå°ããã¤å¢ãã¦ããå°è±¡ãããããã®ä¸ã§ãæ¬è¨äºã§ç´¹ä»ãããã®ãAuthorization Academyã§ãã ããã¯èªå¯ãµã¼ãã¹ã§ãã Oso Cloud ãOSSã®ã©ã¤ãã©ãª o
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}}