@.9rve: #alahlifc #alahlifans #fyp

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Monday 28 September 2026 18:01:00 GMT
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rljp
Just mesho | #54 :
اخخخ اشتقت ل شخصيته القديمه والله
2026-09-28 18:08:54
63
y5._j
Ghaith Al Sharari 🇸🇦. :
بالله صمم عن لاعبين بالدوري غير الاهلي يعني لو سمحت😂💙.
2026-09-29 13:48:24
1
.qsx7
v v :
We miss the old Ibanez
2026-09-28 19:45:18
2
...iy7e
𝘩 ⌁ :
وش الصوره
2026-09-28 22:13:44
1
6iiillx1
SAMA :
البرااايم حقه ☹️💚💚
2026-09-29 07:46:01
4
cuj6
G :
تاريخي
2026-09-28 18:33:00
0
ysl.yo
ysl.yo :
اخخخخخ💔
2026-09-28 21:26:13
6
منـصٍِ
️ :
قلب الاسد 💚💚
2026-09-29 13:22:18
0
n.ipf
A. :
يوم كان محارب ساموراي
2026-09-29 11:19:56
0
3.jo
KD :
كأنو ينزلون مقاطع ف اليوتيوب وهم يدربون والكل سعيد معا ماتياس 💔🥲
2026-09-28 18:10:49
4
lech.2
FARIS :
2026-09-29 11:22:27
0
.q3ek
فارس :
رهيييب
2026-09-28 19:53:45
1
m.1a60
م الحربي🦩 :
2026-09-29 07:35:01
0
1._.p7
HT :
يااخي مبدددعييي
2026-09-28 18:03:09
0
8arn.i
Msh. :
تاريخي 🤩🤩
2026-09-28 21:09:43
2
cersteano7
7 :
2026-09-29 07:54:06
0
.de17_
TH :
خيااالي
2026-09-28 18:21:13
0
.de17_
TH :
ايقوووني
2026-09-28 18:21:16
0
saxv_35
محمد :
تاريخييي
2026-09-29 13:54:56
0
fer.7lk.77
بطل القارة🥇/FERAS :
ابداعععععععععععع ماينوصف ماشاءالله
2026-09-28 18:53:51
0
sufyani_16
جابر :
ايقوني
2026-09-28 18:41:53
0
cuj6
G :
مبدعي والله
2026-09-28 18:32:57
0
h17mj
Mhz :
2026-09-28 22:04:06
1
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Other Videos

Load balancer. Cache. Queue. CDN. Replica. Shard. 🧠 If those sound like a pile of random buzzwords, this one's for you. Here's the secret: nobody sits down and designs a system with 9 components. You start with ONE server, and every new piece gets added because something broke. Here's the whole thing in order 👇 1️⃣ One server can't keep up → add more servers + a load balancer 2️⃣ Every server hammers the same database → add a cache (Redis) 3️⃣ Reads keep growing → add read replicas 4️⃣ One database can't hold it all → shard the data 5️⃣ Photos and videos bloat the database → move them to object storage (S3 / R2) 6️⃣ Users far away wait forever → put a CDN in front 7️⃣ Uploads make users wait on slow jobs → add a queue + background workers 8️⃣ Servers crash, regions disappear → build in redundancy 9️⃣ You can't see what's breaking → add observability (logs, metrics, traces) And the biggest beginner mistake? Adding Kafka, Kubernetes, microservices and 10 databases before you have a real problem. Every component has a cost: • caches go stale • queues deliver twice • replicas lag • shards make queries harder • microservices fail over the network So the real skill isn't memorizing tools. It's asking one question: 👉
Load balancer. Cache. Queue. CDN. Replica. Shard. 🧠 If those sound like a pile of random buzzwords, this one's for you. Here's the secret: nobody sits down and designs a system with 9 components. You start with ONE server, and every new piece gets added because something broke. Here's the whole thing in order 👇 1️⃣ One server can't keep up → add more servers + a load balancer 2️⃣ Every server hammers the same database → add a cache (Redis) 3️⃣ Reads keep growing → add read replicas 4️⃣ One database can't hold it all → shard the data 5️⃣ Photos and videos bloat the database → move them to object storage (S3 / R2) 6️⃣ Users far away wait forever → put a CDN in front 7️⃣ Uploads make users wait on slow jobs → add a queue + background workers 8️⃣ Servers crash, regions disappear → build in redundancy 9️⃣ You can't see what's breaking → add observability (logs, metrics, traces) And the biggest beginner mistake? Adding Kafka, Kubernetes, microservices and 10 databases before you have a real problem. Every component has a cost: • caches go stale • queues deliver twice • replicas lag • shards make queries harder • microservices fail over the network So the real skill isn't memorizing tools. It's asking one question: 👉 "What problem forced us to add this?" Start simple. Find the bottleneck. Add the smallest fix. Repeat. 💾 Save this for your next system design interview 💬 Which of the 9 steps did you learn the hard way? Tell me in the comments 👇 #systemdesign #softwareengineering #backenddevelopment #codinginterview #learntocode

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