Apache Hadoop 3.5.0 – Apache Hadoop Changelog

##### General

- Overview
- Single Node Setup
- Cluster Setup
- Commands Reference
- FileSystem Shell
- Compatibility Specification
- Downstream Developer's Guide
- Admin Compatibility Guide
- Interface Classification
- FileSystem Specification

##### Common

- CLI Mini Cluster
- Fair Call Queue
- Native Libraries
- Proxy User
- Rack Awareness
- Secure Mode
- Service Level Authorization
- HTTP Authentication
- Credential Provider API
- Hadoop KMS
- Tracing
- Unix Shell Guide
- Registry
- Async Profiler

##### HDFS

- Architecture
- User Guide
- Commands Reference
- NameNode HA With QJM
- NameNode HA With NFS
- Observer NameNode
- Federation
- ViewFs
- ViewFsOverloadScheme
- Snapshots
- Edits Viewer
- Image Viewer
- Permissions and HDFS
- Quotas and HDFS
- libhdfs (C API)
- WebHDFS (REST API)
- HttpFS
- Short Circuit Local Reads
- Centralized Cache Management
- NFS Gateway
- Rolling Upgrade
- Extended Attributes
- Transparent Encryption
- Multihoming
- Storage Policies
- Memory Storage Support
- Synthetic Load Generator
- Erasure Coding
- Disk Balancer
- Upgrade Domain
- DataNode Admin
- Router Federation
- Provided Storage

##### MapReduce

- Tutorial
- Commands Reference
- Encrypted Shuffle
- Pluggable Shuffle/Sort
- Distributed Cache Deploy
- Support for YARN Shared Cache

##### MapReduce REST APIs

- MR Application Master
- MR History Server

##### YARN

- Architecture
- Commands Reference
- Capacity Scheduler
- Fair Scheduler
- ResourceManager Restart
- ResourceManager HA
- Resource Model
- Node Labels
- Node Attributes
- Web Application Proxy
- Timeline Server
- Timeline Service V.2
- Writing YARN Applications
- YARN Application Security
- NodeManager
- Running Applications in Docker Containers
- Running Applications in runC Containers
- Using CGroups
- Secure Containers
- Reservation System
- Graceful Decommission
- Opportunistic Containers
- YARN Federation
- Shared Cache
- Using GPU
- Using FPGA
- Placement Constraints
- YARN UI2

##### YARN REST APIs

- Introduction
- Resource Manager
- Node Manager
- Timeline Server
- Timeline Service V.2

##### YARN Service

- Overview
- QuickStart
- Concepts
- Yarn Service API
- Service Discovery
- System Services

##### Hadoop Compatible File Systems

- Aliyun OSS
- Amazon S3
- Azure Blob Storage
- Azure Data Lake Storage
- Tencent COS
- Huaweicloud OBS
- VolcanoEngine TOS

##### Auth

- Overview
- Examples
- Configuration
- Building

##### Tools

- Hadoop Streaming
- Hadoop Archives
- Hadoop Archive Logs
- DistCp
- HDFS Federation Balance
- GridMix
- Rumen
- Resource Estimator Service
- Scheduler Load Simulator
- Hadoop Benchmarking
- Dynamometer

##### Reference

- Changelog and Release Notes
- Java API docs
- Unix Shell API
- Metrics

##### Configuration

- core-default.xml
- hdfs-default.xml
- hdfs-rbf-default.xml
- mapred-default.xml
- yarn-default.xml
- kms-default.xml
- httpfs-default.xml
- Deprecated Properties

# Apache Hadoop Changelog

## Release 3.3.4 - 2022-07-29

### IMPROVEMENTS:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-18044 | Hadoop - Upgrade to JQuery 3.6.0 | Major | . | Yuan Luo | Yuan Luo
YARN-11195 | Document how to configure NUMA in YARN | Major | documentation | Prabhu Joseph | Samrat Deb
HADOOP-18332 | Remove rs-api dependency by downgrading jackson to 2.12.7 | Major | build | PJ Fanning | PJ Fanning
HADOOP-18354 | Upgrade reload4j to 1.2.22 due to XXE vulnerability | Major | . | PJ Fanning | PJ Fanning

### BUG FIXES:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-18085 | S3 SDK Upgrade causes AccessPoint ARN endpoint mistranslation | Major | fs/s3, test | Bogdan Stolojan | Bogdan Stolojan
YARN-11092 | Upgrade jquery ui to 1.13.1 | Major | . | D M Murali Krishna Reddy | groot
HDFS-16453 | Upgrade okhttp from 2.7.5 to 4.9.3 | Major | hdfs-client | Ivan Viaznikov | groot
YARN-10974 | CS UI: queue filter and openQueues param do not work as expected | Major | capacity scheduler | Chengbing Liu | Chengbing Liu
HADOOP-18237 | Upgrade Apache Xerces Java to 2.12.2 | Major | build | groot | groot
HADOOP-18074 | Partial/Incomplete groups list can be returned in LDAP groups lookup | Major | security | Philippe Lanoe | Larry McCay
HADOOP-18079 | Upgrade Netty to 4.1.77.Final | Major | build | Renukaprasad C | Wei-Chiu Chuang

### SUB-TASKS:

JIRA | Summary | Priority | Component | Reporter | Contributor
--- | --- | --- | --- | --- | ---
HADOOP-18068 | Upgrade AWS SDK to 1.12.132 | Major | build, fs/s3 | Steve Loughran | Steve Loughran
HADOOP-18307 | remove hadoop-cos as a dependency of hadoop-cloud-storage | Major | bulid, fs | Steve Loughran | Steve Loughran
HADOOP-18344 | AWS SDK update to 1.12.262 to address jackson CVE-2018-7489 | Major | fs/s3 | Steve Loughran | Steve Loughran