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nekoruri id:nekoruri

ebpfã«é–¢ã™ã‚‹nekoruriã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (12)

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eBPFã‚’ç”¨ã„ã¦Pod ã”ã¨ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã‚’è¨ˆæ¸¬ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã®é–‹ç™º - Preferred Networks Research & Development
æœ¬è¨˜äº‹ã¯ã€2024å¹´å¤å£ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ³ã‚·ãƒƒãƒ—ãƒ—ãƒã‚°ãƒ©ãƒ ã§å‹¤å‹™ã•ã‚ŒãŸä¿µ é¼å¤ªã•ã‚“ã«ã‚ˆã‚‹å¯„ç¨¿ã§ã™ã€‚ ã“ã‚“ã«ã¡ã¯ã€äº¬éƒ½å¤§å¦ å·¥å¦éƒ¨ é›»æ°—é›»åå·¥å¦ç§‘3å›žç”Ÿã® ä¿µ é¼å¤ª (id:walnuts1018) ã§ã™ã€‚ ä»Šå›žã€PFN 2024 å¤æœŸå›½å†…ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ³ã‚·ãƒƒãƒ—ã«å‚åŠ ã—ã€ç¤¾å†…æ©Ÿæ¢°å¦ç¿’åŸºç›¤ã®é–‹ç™ºãƒ»é‹ç”¨ã‚’è¡Œã†Cluster Servicesãƒãƒ¼ãƒ ã«ã¦ã€ã€ŒPodã”ã¨ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã‚’è¨ˆæ¸¬ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã®é–‹ç™ºã€ã¨ã„ã†ãƒ†ãƒ¼ãƒžã«å–ã‚Šçµ„ã¿ã¾ã—ãŸã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ç¤¾å†…ã®Kubernetesã‚¯ãƒ©ã‚¹ã‚¿ã«ãŠã‘ã‚‹èª²é¡Œã¨ã€Podã”ã¨ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã‚’è¨ˆæ¸¬ã™ã‚‹ãŸã‚ã«ä½œæˆã—ãŸãƒ„ãƒ¼ãƒ«ã«ã¤ã„ã¦ç´¹ä»‹ã—ã¾ã™ã€‚ ç¤¾å†…ã®Kubernetesã‚¯ãƒ©ã‚¹ã‚¿ã«ãŠã‘ã‚‹èª²é¡Œ ç¤¾å†…ã® Kubernetes ã‚¯ãƒ©ã‚¹ã‚¿ã§ã¯ã€è¤‡æ•°ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒåŒã˜ã‚¯ãƒ©ã‚¹ã‚¿ã‚’åˆ©ç”¨ã—ã¦æ§˜ã€…ãªãƒ¯ãƒ¼ã‚¯ãƒãƒ¼ãƒ‰ã‚’å‹•ã‹ã—ã¦ã„ã¾ã™ã€‚ã“ã®ã‚ˆã†ãªæ§‹æˆã‚’ã¨ã‚‹ã“ã¨ã§ã€ãƒžã‚·ãƒ³ãƒªã‚½ãƒ¼ã‚¹ã®åˆ©
nekoruri 2024/12/08
kubernetes

ebpf

cni
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eBPF Deep Dive: Architecture and Safety Mechanisms
Cloud Native Days Winter 2024ã§ç™ºè¡¨ã—ãŸ eBPF ã®æŠ€è¡“è§£èª¬ã®ç™ºè¡¨ã§ã™ã€‚ https://event.cloudnativedays.jp/cndw2024/talks/2398
nekoruri 2024/11/28
æ•™ç§‘æ›¸çš„è³‡æ–™

CNDW2024

ebpf

linux
ãƒªãƒ³ã‚¯
eBPF å‘½ä»¤ã‚»ãƒƒãƒˆã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£(ISA)ãŒRFC 9669ã«ãªã£ãŸ - ASnoKaze blog
ã€ŽRFC 9669 BPF Instruction Set Architecture (ISA)ã€ã¨ã—ã¦ã€å‘½ä»¤ã‚»ãƒƒãƒˆã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£(ISA)ãŒRFCã«ãªã‚Šã¾ã—ãŸã€‚eBPF (which is no longer an acronym for anything) ã¨æ›¸ã‹ã‚Œã¦ã„ã‚‹ã®ãŒå°è±¡çš„ã§ã™ã€‚ ã“ã®RFCç™ºè¡Œä½œæ¥ã¯ã€2023å¹´6æœˆã«çµæˆã•ã‚ŒãŸ IETF ã® bpf WGã§è¡Œã‚ã‚Œã¾ã—ãŸã€‚ eBPF Foudationã‹ã‚‰ã®ç›¸è«‡ã‚’å…ƒã«ã€Linux Kernelã®ã‚½ãƒ¼ã‚¹ãƒ„ãƒªãƒ¼ã«æ›¸ã‹ã‚Œã¦ã„ãŸbpfé–¢é€£ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’ã€RFCã¨ã—ã¦ç™ºè¡Œã—ã¦ã„ãã¨ã„ã†å½¢ã«ãªã£ã¦ã„ã¾ã™ã€‚ (2023å¹´12æœˆ IETF117 bpf WG ã‚¹ãƒ©ã‚¤ãƒ‰ã‚ˆã‚Š) ä»Šå¾Œ bpf WGã¯å¼•ãç¶šãæ´»å‹•ã‚’ç¶šã‘ã¦ã„ã¾ã™ã€‚ IETF bpf WGã®æ†²ç« ã‚’èªã‚€ã¨ã€ä½œæ¥ã‚¹ã‚³ãƒ¼ãƒ—ã¨ã—ã¦æ¬¡ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆç™ºè¡Œä½œæ¥ã‚’ã‚¹ã‚³ãƒ¼ãƒ—ã¨ã—ã¦ã‚ã’ã¦ã„ã¾ã™ã€‚ the B
nekoruri 2024/11/13
ebpf
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eBPFã®ã“ã‚Œã¾ã§ã¨ã“ã‚Œã‹ã‚‰
æƒ…å ±ç§‘å¦è‹¥æ‰‹ã®ä¼š2024
nekoruri 2024/09/21
linux

ebpf
ãƒªãƒ³ã‚¯
Exploring XDP: Fundamentals and Real-World Implementations in Mobile Network Data Plane
eBPF Japan Meetup #1 ( https://ebpf.connpass.com/event/323368/ )ã§ç™»å£‡ã—ãŸå†…å®¹ã§ã™ã€‚ XDPã¨å‘¼ã°ã‚Œã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã«ã‚ˆã‚‹é«˜é€Ÿãƒ‘ã‚±ãƒƒãƒˆå‡¦ç†æŠ€è¡“ã®è§£èª¬ã¨ã€å¼Šç¤¾ã«ãŠã‘ã‚‹XDPã‚’æ´»ç”¨ã—ãŸãƒ¢ãƒã‚¤ãƒ«ã‚³ã‚¢ã®é–‹ç™ºäº‹ä¾‹ã«ã¤ã„ã¦ã”ç´¹ä»‹ã„ãŸã—ã¾ã—ãŸã€‚
nekoruri 2024/08/21
eBPF

XDP

linux
ãƒªãƒ³ã‚¯
eBPFã«3æ—¥ã§å…¥é–€ã—ãŸè©± - CADDi Tech Blog
ã¯ã˜ã‚ã« eBPF ã¨ã¯ãªã«ã‹ ã–ã£ãã‚Šæ¦‚è¦ ã€ŒPacket Filterã€ãªã®ã«ã€ŒVirtual Machineã€? eBPFã§ãªã«ãŒã§ãã‚‹ã‹? ã‚«ãƒ¼ãƒãƒ«ã‚¤ãƒ™ãƒ³ãƒˆã®ãƒ•ãƒƒã‚¯ ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒ©ãƒ³ãƒ‰ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã®ã‚„ã‚Šã¨ã‚Š eBPFã®ä¸»ãªç”¨é€” eBPFãŒæ³¨ç›®ã•ã‚Œã‚‹èƒŒæ™¯ eBPFã®ä»•çµ„ã¿ ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã¨å‡¦ç†ãƒ•ãƒãƒ¼ ã‚«ãƒ¼ãƒãƒ«ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¨eBPFã®é•ã„ eBPFãƒ—ãƒã‚°ãƒ©ãƒ ã®ä½œã‚Šæ–¹ eBPFãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ä½œã£ã¦ã¿ã‚‹ ç’°å¢ƒã®æº–å‚™ Hello world ã‚‚ã†å°‘ã—è¤‡é›‘ãªã‚µãƒ³ãƒ—ãƒ« ãã®ä»–ã®ã‚µãƒ³ãƒ—ãƒ« HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã®ãƒ€ãƒ³ãƒ— TCPæŽ¥ç¶šå…ˆã®èª¿æŸ» tcplife dirtop filetop oomkill ã¾ã¨ã‚ eBPFã¯ãªã«ã«ä½¿ãˆã‚‹ã‹ å‚è€ƒã‚µã‚¤ãƒˆ ã¯ã˜ã‚ã« ã“ã‚“ã«ã¡ã¯ã€Platformãƒãƒ¼ãƒ ã®å°æ£®ã§ã™ã€‚ eBPF (extended Berkley Packet Filter) ã«ã¤ã„ã¦ã€2022å¹´8æœˆ2
nekoruri 2024/02/04
ebpf
ãƒªãƒ³ã‚¯
eBPF - å…¥é–€æ¦‚è¦ ç·¨
æœ¬è¨˜äº‹ã¯ã€eBPFã®å…¨èˆ¬ã‚’æŠŠæ¡å‡ºæ¥ã‚‹å…¥é–€è€…å‘ã‘ã®è¨˜äº‹ã«ãªã£ã¦ã„ã¾ã™ã€‚ä»¥ä¸‹ã€é–¢é€£è¨˜äº‹ã‚’ã„ãã¤ã‹æ›¸ã„ã¦ã„ã¾ã™ã®ã§å¿…è¦ã«å¿œã˜ã¦å‚ç…§ã—ã¦ä¸‹ã•ã„ã€‚ eBPF - å…¥é–€æ¦‚è¦ ç·¨ï¼ˆæœ¬è¨˜äº‹ï¼‰ eBPF - ä»®æƒ³ãƒžã‚·ãƒ³ ç·¨ eBPF - BCCãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ« ç·¨ eBPF - bpftraceãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ« ç·¨ eBPF - XDPæ¦‚è¦ ç·¨ 1. eBPFã¨ã¯ï¼Ÿ eBPF(extended Berkeley Packet Filter)ã¯Linuxã‚«ãƒ¼ãƒãƒ«ãŒæä¾›ã™ã‚‹æ©Ÿèƒ½ã®ä¸€ã¤ã§ã€ã‚«ãƒ¼ãƒãƒ«ç©ºé–“ã§å‹•ä½œã™ã‚‹ä»®æƒ³ãƒžã‚·ãƒ³(Virtual Machine)ã§ã€ä¸»ã«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ‘ã‚±ãƒƒãƒˆã‚„ã‚·ã‚¹ãƒ†ãƒ å‹•ä½œã®ãƒˆãƒ¬ãƒ¼ã‚·ãƒ³ã‚°ç”¨é€”ã§æä¾›ã•ã‚Œã¾ã™ã€‚ãã‚Œä»¥å¤–ã«ã‚‚ã€ã‚·ã‚¹ãƒ†ãƒ ã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£å¯¾ç–ã€ãã—ã¦è¿‘å¹´ã§ã¯å„ç¨®ã‚¯ãƒ©ã‚¦ãƒ‰ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®é«˜é€ŸåŒ–ãªã©ã§ã‚‚åˆ©ç”¨ã•ã‚Œã¦ãŠã‚Šã€è¿‘å¹´ã‚¯ãƒ©ã‚¦ãƒ‰ç•Œéšˆã‚’ä¸å¿ƒã«ãƒ›ãƒƒãƒˆãªæŠ€è¡“ã§ã™ã€‚ ã‚ˆã‚Šå…·ä½“çš„ã«ã¯ã€ã‚«ãƒ¼ãƒãƒ«ãƒ¢ãƒ¼ãƒ‰ã§
nekoruri 2024/01/16
eBPF

linux
ãƒªãƒ³ã‚¯
Linux eBPFãƒˆãƒ¬ãƒ¼ã‚·ãƒ³ã‚°æŠ€è¡“ã®æ¦‚è«–ã¨ãƒ„ãƒ¼ãƒ«å®Ÿè£… - ã‚†ã†ã†ããƒ–ãƒã‚°
eBPFï¼ˆextended Berkley Packet Filterï¼‰ã¨ã„ã†ç”¨èªžã‚’è‘—è€…ãŒåˆã‚ã¦ã¿ã‹ã‘ãŸã®ã¯ã€2015å¹´ã”ã‚ã ã£ãŸã€‚æœ€åˆã¯ã€eBPFã‚’ãã®å—é¢ã®ã¨ãŠã‚Šã€ãƒ‘ã‚±ãƒƒãƒˆã‚ãƒ£ãƒ—ãƒãƒ£ã‚„ãƒ‘ã‚±ãƒƒãƒˆãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ã‚’æ‹…ã†ã ã‘ã®ã€Linuxã®æ–°ã—ã„ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã§ã‚ã‚ã†ã¨èªè˜ã—ã¦ã„ãŸã€‚ã—ã‹ã—ã€å®Ÿéš›ã«ã¯ãã†ã§ã¯ãªã‹ã£ãŸã€‚ ã‚·ã‚¹ãƒ†ãƒ æ€§èƒ½ã®åˆ†æžã®ãŸã‚ã®æ–¹æ³•è«–ã‚’ã¾ã¨ã‚ãŸæ›¸ç±Systems Performance 1 ã®è‘—è€…ã§æœ‰åãªBrendan GreggãŒã€Linuxã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚µãƒ–ã‚·ã‚¹ãƒ†ãƒ ã¨ã¯ç‰¹ã«é–¢ä¿‚ãªã„æ–‡è„ˆã§ã€å¤å…¸çš„ãªã‚·ã‚¹ãƒ†ãƒ æ€§èƒ½è¨ˆæ¸¬ãƒ„ãƒ¼ãƒ«ã§ã¯è¨ˆæ¸¬ã§ããªã„ã“ã¨ã‚’è¨ˆæ¸¬ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã‚’ä½œã£ã¦ã„ãŸã€‚ãã®è¨ˆæ¸¬ãƒ„ãƒ¼ãƒ«ãŒeBPFã¨ã„ã†æŠ€è¡“ã«ã‚ˆã£ã¦å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã“ã¨ã‚’çŸ¥ã£ãŸã¨ãã«ã€eBPFã«èˆˆå‘³ã‚’ã‚‚ã£ãŸã®ã ã£ãŸã€‚ã¾ãŸã€eBPFã¯ã€ã‚·ã‚¹ãƒ†ãƒ æ€§èƒ½ã‚’èª¿ã¹ã‚‹ç”¨é€”ä»¥å¤–ã«XDPï¼ˆeXpress Data Pathï¼‰ã¨å‘¼ã°ã‚Œã‚‹ãƒ—
nekoruri 2024/01/16
eBPF

linux
ãƒªãƒ³ã‚¯
eBPFã‚’ä½¿ã£ãŸOpenTelemetryã®Goè‡ªå‹•è¨ˆè£…ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’èª¿ã¹ã‚‹
æœ¬è¨˜äº‹åŸ·ç†æ™‚ç‚¹ã®opentelemetry-go-instrumentationã¯Work in Progress(v0.8.0-alpha)ã¨ãªã£ã¦ã„ã¾ã™ã€‚ãã®å¾Œå¤§ããå¤‰ã‚ã£ã¦ã„ã‚‹å¯èƒ½æ€§ã«ã”æ³¨æ„ã‚’ã€‚ è‡ªå‹•è¨ˆè£…ã¨ã¯ï¼ŸOpenTelemetryã‚’ä¸å¿ƒã¨ã—ãŸåˆ†æ•£ãƒˆãƒ¬ãƒ¼ã‚·ãƒ³ã‚°ã§ã¯ã€Contextã‚’ä¼æ’ã—ãŸã‚ŠMetrics, Logs, Tracesã‚’å‡ºåŠ›ã—ãŸã‚Šã™ã‚‹ãŸã‚ã®è¨ˆè£…(Instrumentation)ã‚’ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«æ–½ã™å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®ä½œæ¥ã¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«æ‰‹ã‚’åŠ ãˆã‚‹å¿…è¦ãŒã‚ã‚Šæ‰‹é–“ã§ã™ã€‚ãã“ã§è¨ˆè£…ã‚’è‡ªå‹•åŒ–ã™ã‚‹ã€ã¤ã¾ã‚Šã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã‚³ãƒ¼ãƒ‰ã«æ‰‹ã‚’åŠ ãˆãšã«å®Ÿç¾ã™ã‚‹æ–¹æ³•ãŒJavaãªã©ã§å®Ÿç¾ã•ã‚Œã¦ã„ã¾ã™1ã€‚ ã—ã‹ã—Goã¯Javaã‚„Pythonãªã©ã¨ã¯é•ã£ã¦ã€ãƒžã‚·ãƒ³ã‚³ãƒ¼ãƒ‰ã«ãƒã‚¤ãƒ†ã‚£ãƒ–ã«ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã•ã‚Œã¾ã™ã€‚ãã®ãŸã‚å®Ÿè¡Œæ™‚ã«ã‚³ãƒ¼ãƒ‰ã‚’è¿½åŠ ã™ã‚‹ã“ã¨ãŒã§ãã¾ã›ã‚“ã€‚å°‘ãªãã¨ã‚‚è‡ªåˆ†ã¯Goã§ã®è‡ªå‹•è¨ˆè£…ã¯
nekoruri 2023/12/11
eBPF

otel

OpenTelemetry
ãƒªãƒ³ã‚¯
eBPF ã¨ Wasm: ã‚µãƒ¼ãƒ“ã‚¹ãƒ¡ãƒƒã‚·ãƒ¥ãƒ‡ãƒ¼ã‚¿ãƒ—ãƒ¬ãƒ¼ãƒ³ã®æœªæ¥ã‚’æŽ¢ã‚‹
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
nekoruri 2022/02/06
kubernetes

container

eBPF

wasm

servicemesh
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