---
title: "Cloud Hadoop release notes"
slug: "cloudhadoop-release"
updated: 2026-09-17T09:18:03Z
published: 2026-09-17T09:18:03Z
canonical: "guide.ncloud-docs.com/cloudhadoop-release"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cloud Hadoop release notes

Available in Classic

Keep track of changes to the Cloud Hadoop user guide. The release notes include:

- New
  - Initial release
- Update
  - Added: New features
  - Changed: Feature enhancements
  - Fixed: Bug fixes
  - Deprecated: Feature deprecations or service shutdown
  - Miscellaneous: Documentation changes

Read on for detailed descriptions of each release.

## Classic

The following table describes updates to the Classic environment:

### January 13, 2022

| Type | Change | Go to page |
| --- | --- | --- |
| Update - miscellaneous | User guide composition and content reorganized | [Cloud Hadoop overview](/docs/en/hadoop-chadoop-1) |

### May 21, 2020

| Type | Change | Go to page |
| --- | --- | --- |
| Update - changed | Changed default storage for HBase clustersChanged from Object Storage to HDFS on Block StorageWith Block Storage support, the HDFS replication factor changes from 1 to 2The minimum number of worker nodes is now also 2 | [Data Migration with Object Storage](/docs/en/hadoop-chadoop-use-ex6) |

### January 16, 2020

| Type | Change | Go to page |
| --- | --- | --- |
| Update - changed | Cloud Hadoop 1.2 releasedSeparated the gateway node for external access into a dedicated edge nodeAbility to back up cluster configuration to Object Storage providedChanged the default character set of Hive metastore DB to UTF8 | [Getting started](/docs/en/hadoop-chadoop-2-1)[Using Hive](/docs/en/hadoop-chadoop-4-2%3C/li%3E) |
| Update - changed | Cloud Hadoop 1.2 releasedAdded stored procedures to the MySQL DB used for Ambari metadata storage | [Using Ambari REST APIs](/docs/en/hadoop-chadoop-3-9) |

### May 30, 2019

| Type | Change | Go to page |
| --- | --- | --- |
| Update - changed | Cloud Hadoop 1.1 releasedAdded a new Presto type (You can specify your preferred data store and run Presto queries for analysis)Unrestricted the Add service feature in Ambari so users can add services freelyAdded a read-only account in Ambari for administrator monitoringEnabled direct access to the Zeppelin UI without tunnelingUpgraded JDK from 1.8.0.112 to 1.8.0.192Added Presto usage instructions to the user guide | [Using Presto (Trino)](/docs/en/hadoop-chadoop-4-7)[Using Ambari REST APIs](/docs/en/hadoop-chadoop-3-9)[Using Zeppelin](/docs/en/hadoop-chadoop-4-4)[Using Presto (Trino)](/docs/en/hadoop-chadoop-4-7) |