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bongoDev | Replication: Leaders, Followers, ISR, High Watermark & Leader Election - Kafka Pro

01Kafka Mental Model: Distributed Event Streaming, Not Just a QueuePreview
02Kafka 4.x Architecture: KRaft, Brokers, Controllers & Metadata Quorum
03Install Kafka 4.3.x & Build a Reproducible Local Lab
04Topics, Partitions, Offsets & the Append-Only Log
05Producer Fundamentals: Keys, Partitioning, Serialization & Headers
06Producer Reliability: acks, Retries, Idempotence, Batching & Compression
07Consumer Fundamentals: Poll Loop, Fetching, Position & Offset Commits
08Consumer Groups, Partition Assignment, Lag & Scaling
09Consumer Rebalancing: Classic vs Next-Generation Consumer Protocol
10Share Groups: Queue-Like Cooperative Consumption in Modern Kafka
11Replication: Leaders, Followers, ISR, High Watermark & Leader Election
12Durability Engineering: min.insync.replicas, acks & Data-Loss Boundaries
13Retention, Log Compaction, Tombstones & Replay Windows
14Kafka Storage Internals: Segments, Indexes, Page Cache & Disk Layout
15Ordering Guarantees & Partitioning Strategy
16Serialization, Schemas & Compatibility Governance
17Delivery Semantics: At-Most-Once, At-Least-Once & Exactly-Once Boundaries
18Kafka Transactions: Atomic Writes, Offset Commits & read_committed
19Retry Topics, Dead-Letter Patterns & Poison Messages
20Event Design: Facts, Commands, IDs, Timestamps & Contracts
21Topic Design: Naming, Ownership, Partitions, Replication & Defaults
22Partition Count & Capacity Planning
23Kafka Networking: listeners, advertised.listeners, DNS & Client Connectivity
24KRaft Operations: Controller Quorum, Dynamic Membership & Metadata Health
25Kafka CLI Administration: Topics, Configs, Groups, Offsets & Log Directories
26Kafka Security: TLS, SASL, ACLs & Least Privilege
27Multi-Tenancy, Quotas & Noisy-Neighbor Control
28Monitoring Kafka: Broker, Producer, Consumer & KRaft Signals
29Consumer Lag Deep Dive: Backlog, Time Lag, Hot Partitions & Stalls
30Broker & Storage Performance Engineering
31Producer Performance Tuning: Batch, Linger, Compression & Backpressure
32Consumer Performance: Fetch Tuning, Processing Parallelism & Backpressure
33Kafka Connect: Source/Sink Connectors, Workers, Tasks & Offset State
34Kafka Streams: Stateless/Stateful Processing, Repartition & State Stores
35Change Data Capture (CDC) Architecture with Kafka
36Multi-Cluster Kafka & MirrorMaker 2
37Tiered Storage: Local Hot Data, Remote Segments & Current Constraints
38Kafka Upgrades, Feature Levels & Client Compatibility
39End-to-End Kafka Pro Lab: Orders, Consumers, Retries, Streams & Observability
40Kafka Production Troubleshooting, Command Playbook & Cheatsheet

Englishবাংলা

Knowledge Hub/Kafka Pro/Replication: Leaders, Followers, ISR, High Watermark & Leader Election

Paid lesson · Advanced · 42 min read

Replication: Leaders, Followers, ISR, High Watermark & Leader Election

Understand how partition replicas provide availability and how ISR membership affects acknowledged writes and failover.

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This lesson is part of the paid course.

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