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Load Balancing & Auto Scaling

Target Groups & Health Checks

Where Traffic Gets Sent
💡 Target, Group, EK, "TEAM, ROSTER", jaisa, hai, — Load, Balancer, ISI, LIST, mein, se, DECIDE, karta hai, KISKO, KAAM, dena, hai. Health, Check, EK, "ATTENDANCE, CHECK" jaisa, hai, — SICK, (unhealthy), MEMBERS, ko, KAAM, nahi, diya, jaata.

Target, Group, EC2, instances, (ya, Lambda, functions, ya, IPs), ka, EK, SET, hai, JAHAN, Load, Balancer, TRAFFIC, ROUTE, karta hai — EK, hi, ALB, ke, MULTIPLE, target, groups, ho, sakte, HAIN.

Load, Balancer, PERIODICALLY, HAR, target, ko, EK, health, check, request, BHEJTA, hai — agar, RESPONSE, EXPECTED, na, ho, TO, US, target, ko, "unhealthy", MARK, kar, ke, TRAFFIC, ROUTE, karna, BAND, kar, deta hai.

aws elbv2 create-target-group --name my-targets --protocol HTTP --port 80 --vpc-id vpc-12345
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Target, Group, EK, "TEAM, ROSTER", jaisa, hai, — Load, Balancer, ISI, LIST, mein, se, DECIDE, karta hai, KISKO, KAAM, dena, hai. Health, Check, EK, "ATTENDANCE, CHECK" jaisa, hai, — SICK, (unhealthy), MEMBERS, ko, KAAM, nahi, diya, jaata.
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⚡ झट से Recap
  • Target Group = instances/functions ka set jahan LB traffic route karta hai
  • Health check = periodic check, unhealthy targets traffic nahi paate
  • Lightweight health check endpoint use karo, false positives avoid karne ke liye
इस page में (2 subtopics)

Target, Group, EC2, instances, (ya, Lambda, functions, ya, IPs), ka, EK, SET, hai, JAHAN, Load, Balancer, TRAFFIC, ROUTE, karta hai — EK, hi, ALB, ke, MULTIPLE, target, groups, ho, sakte, HAIN, DIFFERENT, PATHS, ke, liye.

aws elbv2 create-target-group --name my-targets --protocol HTTP --port 80 --vpc-id vpc-12345

Load, Balancer, PERIODICALLY, HAR, target, ko, EK, "health, check", request, BHEJTA, hai — agar, RESPONSE, EXPECTED, (jaise, HTTP, 200) na, ho, TO, US, target, ko, "unhealthy", MARK, kar, ke, TRAFFIC, ROUTE, karna, BAND, kar, deta hai.

💡Tip: Health, check, path, KO, EK, LIGHTWEIGHT, endpoint, (jaise, "/health") PAR, POINT, karo, jo, DATABASE, connections, jaisi, HEAVY, checks, na, kare — WARNA, FALSE, POSITIVES, ho, sakte, HAIN.