4.4K
QUQD SPORT
Technical equipment
for calculated movement.
First release imminent.
Welcome to the sport division.
@quickdraw.sport
#Qf Lda
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QU🚀 Master Quantitative Skills with Quant Guild:
https://quantguild.com
Join the Quant Guild Discord server here: https://discord.com/invite/MJ4FU2c6c3
@QuantGuild Video Title: The 5 Papers that Built Modern Quant Finance
#shorts #short #finance #statistics #maths #trading #investing #stocks #finance #fyp #finance #foryoupage
@quantguild
29.0K
AQ🤔Кім айтты АУЛАДАН Чемпиондар шықпайды деп?
Бүгін Астана қаласында өтіп жатырған ҚР футзалдан әуесқойлар чемпионатының ойынына барып, Маңғыстаудың футзалдан Супер лигасын ұтқан ауладан шыққан чемпион команда ДФК-12 командасын қолдап тарихи сәтке ие болдым. Себебі 7 ұпай жинаған жерлестерім топтық кезеңнен плэй-офф кезеңіне сәтті өтті. Ертең плэй-офф ойындарына жігіттерге сәттілік тілеймін. Алға ДФК-12, Алға Маңғыстау.
#futsal #llf #astana
@aqlbeu
4.6K
FL🔊 El so de la banqueta mentre els companys i companyes juguen.
#ForçaLleida #NayoxLleida #Lleida #EsportBase #EsportsLleida
@flleidabase
276.2K
LELDF ❤️ Loading 3.0💪🔥
#cpi #cpikerala #ldf #ldfkerala #aiyf #cpim #virel #keralapolitics #ldfgovernment #legendkillerrko
@legend_killer_r_k_o_
16.6K
MEപൊളി 😹🔥
© Youtube: Salad Media
#ldf #udf #Pinarayivijayan #VDSatheesan #mediafactos
@mediafactos
6.1K
LIAgain… and again… 7 is everywhere.
You’ll know the reason soon. 👀
#qcda #lifeatqcda #7 #comingsoon #bignews
@lifeatqcda
595
QGQual é o próximo nível de excelência da sua instituição?
Nossa jornada de acreditação é um caminho claro, que vai da construção de uma base sólida de qualidade, passa pela evolução do cuidado centrado na pessoa e chega ao reconhecimento máximo em maturidade e inovação.
É a melhoria contínua se tornando um resultado visível e sua liderança sendo reconhecida.
Pronto para traçar essa rota de sucesso? Fale com nossa equipe e descubra como.
#Qmentum #AcreditaçãoInternacional #JornadaDeExcelência #MelhoriaContínua #SaúdeDeQualidade #LiderançaEmSaúde
@qgaglobal
10.9K
CSIn Fulda ist kein Platz für Rechtsextreme Strukturen. Die GD ist keine neue Organisation, sie ist die alte JA in neuem Gewand. Eine gefährliche Organisation für marginalisiert Gruppen und unsere Demokratie. #Demokratie #follquer #fuldastelltsichquer #csdfulda #follbunt
@csd.fulda
1.4K
JADead Letter Queue (Dead Letter Topic – DLT) is a failure-isolation mechanism
🚨 Why DLQ Exists (Core Kafka Constraint)
Kafka guarantees:
✔ Ordering per partition
✔ Offset-based sequential consumption
This means:
If message at offset 105 fails,
offset 106 cannot be processed until 105 is resolved.
This is called a poison pill problem.
DLQ solves this by:
1️⃣ Retry with backoff
2️⃣ Publish failed record to DLT
3️⃣ Commit offset
4️⃣ Continue stream processing
Availability > strict sequential blocking.
-------------------
⚖ Ordering Trade-Off
Important architectural insight:
Kafka guarantees ordering per partition.
When you move a record to DLT:
You break logical continuity for that key.
Subsequent events for the same key may process before the failed one is fixed.
This is intentional.
Trade-off:
✔ System availability
❗ Strict per-key sequencing
We must consciously choose this trade-off.
🔒 DLQ & Exactly-Once Semantics (EOS)
If using Kafka Transactions:
DLQ publishing should be part of the same transaction
OR
Ensure downstream processing is idempotent
Otherwise:
♦️Offset may commit
♦️DLQ publish may fail
♦️Data inconsistency may occur
Poor DLQ design can silently degrade EOS to at-least-once.😱
🔁 Retry Strategy (Critical Design Layer)
Before DLQ, implement:
👉FixedBackOff or ExponentialBackOff
👉Max retry attempts
👉Circuit breaker (optional)
Patterns:
📍Immediate retry
📍Retry topic pattern (delayed retry using separate topics)
📍Then Dead Letter Topic
Never:
❌ Infinite retry
❌ Silent drop
❌ Blocking partition forever
📊 Operational Requirements
DLQ is useless without observability.
Must implement:
👉Metrics on DLT topic growth
👉Alerting on threshold breaches
👉Replay tooling
👉Audit trail tracking
DLQ should trigger investigation — not silently accumulate messages.
💡Final take away :
DLQ ensures One bad event does not halt an entire distributed stream.
📥Save this for later
♦️Follow for more Java+System Design concepts 👇
@java.treasure.tech
21.9K
DECəmi 2 aya QA Manual Testing öyrənərək IT sahəsinə daxil ola biləcəyini bilirdin?
Əgər sən də QA sahəsində karyerana başlamaq istəyirsənsə
🎓 sınaq dərslərimiz tam pulsuzdur.
#QA #manualqa #automationqa #qaengineer #testengineering
@devhub.edu.az
281
PA✨️Somos o Pagode do QDL✨️
#pagode #PagodedoQDL
Marca o @ que você convidar para conhecer o nosso pagode 😊
@pagodedoqdl
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