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Optimistic Concurrency vs Locks ููŠ SQL Server

  ๐Ÿ”’⚡ Optimistic Concurrency vs Locks ููŠ SQL Server ู„ู…ุง ุงุชู†ูŠู† ูŠุนุฏّู„ูˆุง ู†ูุณ ุงู„ู€ Order ููŠ ู†ูุณ ุงู„ูˆู‚ุช… ู…ูŠู† ููŠู‡ู… ูŠูƒุณุจ؟ ๐Ÿ˜„ ุชุฎูŠّู„ ู…ุนุงูŠุง ุฅู† ุนู†ุฏู†ุง ู…ุชุฌุฑ ุฅู„ูƒุชุฑูˆู†ูŠ ุงุณู…ู‡ SuperShop ๐Ÿ›’ ูˆุนู†ุฏู†ุง Order ุจุงู„ุดูƒู„ ุฏู‡: Order #1001 Status: Pending Total: 1500 SAR ูˆููŠ ู†ูุณ ุงู„ู„ุญุธุฉ ุญุตู„ ุงู„ุณูŠู†ุงุฑูŠูˆ ุฏู‡: ๐Ÿ‘จ‍๐Ÿ’ผ ุฃุญู…ุฏ ู…ู† ูุฑูŠู‚ ุฎุฏู…ุฉ ุงู„ุนู…ู„ุงุก ูุชุญ ุงู„ู€ Order. ๐Ÿ‘ฉ‍๐Ÿ’ผ ู…ู†ู‰ ู…ู† ูุฑูŠู‚ ุงู„ุนู…ู„ูŠุงุช ูุชุญุช ู†ูุณ ุงู„ู€ Order. ุงู„ุงุชู†ูŠู† ุดุงูŠููŠู†: Status = Pending ุฃุญู…ุฏ ู‚ุงู„: ุงู„ุนู…ูŠู„ ุฃูƒุฏ ุงู„ุทู„ุจ، ุฎู„ูŠู†ูŠ ุฃุนู…ู„ู‡ Approved ✅ ูˆููŠ ู†ูุณ ุงู„ูˆู‚ุช ู…ู†ู‰ ู‚ุงู„ุช: ุงู„ุนู…ูŠู„ ุทู„ุจ ุฅู„ุบุงุก ุงู„ุทู„ุจ، ุฎู„ูŠู†ูŠ ุฃุนู…ู„ู‡ Cancelled ❌ ุฃุญู…ุฏ ุถุบุท Save ุงู„ุฃูˆู„. ุจู‚ุช ุงู„ุฏุงุชุง: Status = Approved ุจุนุฏู‡ุง ุจุซุงู†ูŠุชูŠู† ู…ู†ู‰ ุถุบุทุช Save. ุจู‚ุช ุงู„ุฏุงุชุง: Status = Cancelled ูˆู‡ู†ุง ุงู„ุณุคุงู„ ุงู„ุฎุทูŠุฑ ๐Ÿ˜…: ุทุจ ุชุนุฏูŠู„ ุฃุญู…ุฏ ุฑุงุญ ููŠู†؟ ๐Ÿคจ ุงุชู…ุณุญ. ู…ุด ุจุณ ุงุชู…ุณุญ… ุฏู‡ ุงุชู…ุณุญ ู…ู† ุบูŠุฑ ู…ุง ุฃุญู…ุฏ ุฃูˆ ู…ู†ู‰ ูŠุนุฑููˆุง ุฅู† ุญุตู„ Conflict ุฃุตู„ุงً . ูˆุฏู‡ ูˆุงุญุฏ ู…ู† ุฃุดู‡ุฑ ู…ุดุงูƒู„ ุงู„ู€ Concurrency ูˆุงุณู…ู‡: ๐Ÿ’ฅ Lost Update ูˆู…ู† ู‡ู†ุง ุชุจุฏุฃ ุญูƒุงูŠุชู†ุง ู…ุน: SQL Server Locks ๐Ÿ”’ Pessimistic Concurrency Optimistic Concurrency ⚡ rowversion EF Core Concurrency Tokens ...

Competing Consumers

๐Ÿš€ Competing Consumers Pattern ุจุงุณุชุฎุฏุงู… Redis Streams ูˆ .NET Core ู„ู…ุง Worker ูˆุงุญุฏ ูŠู‚ูˆู„ูƒ: «ูŠุง ุฌู…ุงุนุฉ ุงู„ุทู„ุจุงุช ูƒุชูŠุฑ ุนู„ูŠّุง!» ๐Ÿ˜… ุชุฎูŠู„ ุฅู† ุนู†ุฏูƒ E-Commerce System ، ูˆุงู„ุนู…ูŠู„ ุจูŠุนู…ู„ Order ุฌุฏูŠุฏ. ุงู„ู€ API ุชุนู…ู„ ุดุบู„ู‡ุง ุงู„ุทุจูŠุนูŠ: POST /orders ุชุญูุธ ุงู„ู€ Order ููŠ ุงู„ู€ Database، ูˆุจุนุฏ ูƒุฏู‡ ู…ุญุชุงุฌ ุชุนู…ู„ ุดูˆูŠุฉ ุนู…ู„ูŠุงุช ุชู‚ูŠู„ุฉ ููŠ ุงู„ุฎู„ููŠุฉ: ๐Ÿ’ณ ุชุฌู‡ูŠุฒ ุนู…ู„ูŠุฉ ุงู„ุฏูุน. ๐Ÿ“ฆ ุชุฌู‡ูŠุฒ ุงู„ู€ Order ู„ู„ุดุญู†. ๐Ÿงพ ุฅู†ุดุงุก Invoice. ๐Ÿ“ง ุฅุฑุณุงู„ Confirmation Email. ๐Ÿ“Š ุชุญุฏูŠุซ Analytics. ุทุจุนًุง ู…ุด ู…ู†ุทู‚ูŠ ุชุฎู„ูŠ ุงู„ุนู…ูŠู„ ูˆุงู‚ู ู…ุณุชู†ูŠ ูƒู„ ุฏู‡ ูŠุญุตู„ ู‚ุจู„ ู…ุง ุงู„ู€ API ุชุฑุฌุน Response. ูุฃูˆู„ ููƒุฑุฉ ู…ู…ูƒู† ุชูŠุฌูŠ ููŠ ุฏู…ุงุบู†ุง: Task.Run(async () => { await ProcessOrderAsync(order); }); ุฎู„ุตู†ุง ูŠุง ุจุงุดุง ๐Ÿ˜Ž ู„ู„ุฃุณู… ู„ุฃ. ๐Ÿ˜„ ู„ุฃู† ุฃูˆู„ ู…ุง ุงู„ุณูŠุณุชู… ูŠูƒุจุฑ، ูˆุชุจุฏุฃ ุชุดุบู„ ุฃูƒุชุฑ ู…ู† Server، ูˆุชุญุตู„ Restart ุฃูˆ Deployment ุฃูˆ Crash، ู‡ุชูƒุชุดู ุฅู†ู†ุง ู…ุญุชุงุฌูŠู† ุญุงุฌุฉ ุฃู‚ูˆู‰ ุจูƒุชูŠุฑ. ูˆู‡ู†ุง ุจูŠุฏุฎู„ ู…ุนุงู†ุง: ⚡ Competing Consumers Pattern ูˆู…ุนุงู‡: ๐Ÿ”ด Redis Streams + Consumer Groups ๐ŸŽฏ ุงู„ุฃูˆู„: ูŠุนู†ูŠ ุฅูŠู‡ Competing Consume...
BMC Helix AI Agents — Interview Guide ๐Ÿค– BMC Helix AI Agents ุดุฑุญ ุดุงู…ู„ ุจุงู„ู…ุตุฑูŠ ู„ู„ุชุญุถูŠุฑ ู„ู„ู€ Interview ๐Ÿš€ ู…ู† ุฃูˆู„ ูŠุนู†ูŠ ุฅูŠู‡ AI Agent ู„ุญุฏ ServiceOps ูˆAIOps ูˆุงู„ู€11 AI Agents ูˆุงู„ู€End-to-End Incident Resolution. ๐Ÿง  Agentic AI ⚙️ ServiceOps ๐Ÿ“Š AIOps ๐ŸŽซ ITSM ๐Ÿš€ DevOps ๐Ÿง  ุฃูˆู„ ุญุงุฌุฉ: ูŠุนู†ูŠ ุฅูŠู‡ AI Agent؟ ุฃู‡ู… ู†ู‚ุทุฉ ุชุจุฏุฃ ุจูŠู‡ุง ุฅู†ูƒ ู…ุง ุชุฎู„ุทุด ุจูŠู† Chatbot ูˆ AI Agent . ๐Ÿค– ุงู„ู€Chatbot ุงู„ุชู‚ู„ูŠุฏูŠ ๐Ÿ‘ค User ูŠุณุฃู„ ← ๐Ÿค– AI ูŠุฑุฏ ูŠุนู†ูŠ ุงู„ู…ูˆุถูˆุน ุบุงู„ุจًุง: Question → Answer ๐Ÿง  ุฃู…ุง ุงู„ู€AI Agent ๐Ÿ‘ค User / System ← ๐Ÿง  Understand ← ๐Ÿ” Analyze ← ...