verified_user
Target Output
Weekly Production Deliverable
Deliverable:
CompletableFuture, concurrent collections, and explicit locks done. DDIA consistency & consensus done. All 17 HLD practice problems 100% complete. Resilient, gateway-fronted microservices.Monday
0 / 2 done
DSA
CompletableFuture
async pipelines,
thenApply, thenCompose, thenCombine, allOf, exception handling
1.5h
AI/ML
Cost Engineering in GenAI
Token economics, prompt caching, token budgets, optimizing prompts to reduce API bills by 50%+
2.5h
Tuesday
0 / 2 done
DSA
Concurrent collections:
ConcurrentHashMap, CopyOnWriteArrayList, BlockingQueue
why they beat synchronized maps
1.5h
CORE
DDIA Part 2: Consistency & Consensus
DDIA Ch. 9: Consistency and Consensus (Linearizability, Total Order Broadcast, 2-Phase Commit vs Raft / Paxos conceptual understanding)
2.5h
Wednesday
0 / 2 done
DSA
Explicit Locks:
ReentrantLock, ReadWriteLock, Condition variables
when to choose over
synchronized
1.5h
AI/ML
Audit Capstone Token Efficiency
Apply token cost reduction techniques to your Phase 7 capstone prompts; measure before/after token usage
2.5h
Thursday
0 / 2 done
DSA
Producer-Consumer in Java using a
BlockingQueue
direct implementation of classic OS problem
1.5h
CORE
HLD Practice Problems 5 (HLD 100% Done!)
System Design of a Chess Website & System Design of Google Docs (All 17 HLD Practice Problems Complete!)
2.5h
Friday
0 / 2 done
DSA
Deadlock reproduction and resolution using
tryLock() with timeouts
1.5h
AI/ML
MLOps Synthesis & System Design
Write up notes on production ML systems: monitoring dashboards, serving optimization, and cost tradeoffs
2.5h
⚡
Weekend High-Load Execution
• 8.0h Daily Deep Focus Lab
Saturday
0 / 3 done
DSA
Contest + revise Week 38–39 concurrency content
1.5h
AI/ML
DDIA Distributed Storage & Replication Synthesis (4.0h)
Deep architectural synthesis of DDIA Part 2: replication lag, leaderless consensus, and vector index persistence.
4.0h
JAVA
API Gateway with Spring Cloud Gateway
Spring Cloud Gateway: Route definitions, path predicates, custom filters, JWT validation at the gateway level
2.5h
Sunday
0 / 3 done
DSA
Full revision
redo 2 concurrency exercises cold
1.5h
AI/ML
Distributed Cache & Vector Index Benchmarking (4.0h)
Benchmark Redis cache hit ratios vs PostgreSQL pgvector similarity query latencies under load.
4.0h
JAVA
Resilience with Resilience4j
Circuit Breaker pattern, Rate Limiting, Retry with exponential backoff, Fallbacks; wire Gateway + Feign + Resilience4j together on GitHub
2.5h
edit_note
Week 39 Technical Notes & Journal
#LeetCode
#Java
#DSA
#Week39