Cloudera Migration Assistant Overview

3.5.0

What's new

• AMCM-2422 Enhanced Migration Dashboard with Component Versions
• AMCM-793 Managing Secrets with Vault
• AMCM-2455 Mask supplied passwords in configuration and log files
• AMCM-2308 Spark3 to Spark3 Support
• AMCM-2400 Execution Instructions for Livy
• AMCM-2594 Parcel compatibility check to CSD
• Various CVE fixes

Behavioral changes

• Support for upgrading from HDP to Cloudera platform is discontinued from this release.

3.4.1

What's new

• AMCM-2489 Configurable JVM heap size for CDH discovery tool

Fixed issues

• AMCM-2692 Stop All Services In The Cluster - fails with non-default password
• AMCM-2637 Spark application parameters with single - won't work
• AMCM-2570 Remove Label assignment removes HDFS locations
• AMCM-2650 SQL Workload Migration doesn't replicate its SQL file from HDFS
• AMCM-2625 Multiple HiveSQL migration ignores the HiveSQL files
• AMCM-2626 NPE when trying to get source server clusters after db upgrade
• AMCM-2624 /root/.cdp/credentials Missing for hive migration
• AMCM-2636 Use master node in execution Instruction

Known issues

• AMCM-2457 Python 3.12.x dependency collision on Cloudera Migration Assistant server node

3.4.0

What's new

• AMCM-1168 Spark Application Migration
  • Exploring Past Spark Workloads via Spark History Server
  • Spark Workload's dependency discovery based on spark-submit and application parameters
  • Limitations
    • CDH6 and Cloudera Base on premises as Source with Spark 2
    • No spark code change available
    • No automated jar and Python package dependency discovery
• AMCM-2426 Store SSH Settings as Credentials
• AMCM-2300 Upgradability - Tech Preview
• Several UX improvements and fixes

Known issues

• AMCM-2457 Python 3.12.x dependency collision on Cloudera Migration Assistant server node

3.3.1

What's new

• Parcel deployment - available as Technical Preview

  The parcel deployment enables you to install Cloudera Migration Assistant as a service in Cloudera Manager.

Fixed issues

• AMCM-2273 Cloudera Migration Assistant doesn't handle long clusternames
• AMCM-2233 Create a field to manage the number of Ansible forks
• AMCM-2232 Fix user settings validation on target registration when changing clusters
• AMCM-2218 Replace Browser icon (Favico) to Cloudera Migration Assistant icon small version
• AMCM-2067 Obtain Hive HMS DB Password from User Directly
• Pre-checks on Cloudera Migration Assistant Server Start:
  • AMCM-2188 Checking if Java11 and JAVA_HOME exists
  • AMCM-2188 Checking Java before starting the server
  • AMCM-2186 Checking Python version

3.3.0

What's new

• AMCM-1764 Azure Support
• AMCM-1418 Cloudera Base on premises to Cloudera on cloud Migration (without security metadata migration)
• AMCM-1361 Oozie Migration with Map-Reduce action and genric support for all other action types
• AMCM-1765 Cloudera Migration Assistant Landing Page
• AMCM-1878 Side-bar Redesign
• AMCM-2135 One-time HBase Migration without Cloudera Replication Manager

Limitations

You need to manually migrate Ranger policies from Cloudera Base on premises to Cloudera on cloud as described in Migrating from source cluster to destination cluster.

3.2.1

Fixed Issues

• AMCM-1879 Missing airgapped for localhost (#1696)
• AMCM-1908 Hive SQL Export button does not work (#1693)
• AMCM-1906 Fix Broken background color (#1691)
• AMCM-1888 Show Refresh option of scanned data tables as in UI design - rebase fix (#1686)
• AMCM-1880 ps is missing from the rhel8 docker image (#1659) (#1685)
• AMCM-1902 Make navigation panel not scrollable (#1679) (#1684)
• AMCM-1872 Filtered scan results are reset after switch to another page (#1655) (#1678)
• AMCM-1830 discovery_bundle_builder fails if no mysql-connector-java.jar is found (#1682)
• AMCM-1892 L&S Data migration Cloudera Replication Manager policy should have default value for frequencyInSec (#1681) (#1683)
• AMCM-1888 Show Refresh option of scanned data tables as in UI design (#1666) (#1670)
• AMCM-1887 Fix Mapping discrepancies (#1662) (#1671)
• AMCM-1891 Change API info (#1668) (#1675)
• AMCM-1867 Set step status before perform (#1667) (#1674)
• AMCM-1820 Toast message appears unexpectedly (#1663) (#1669)
• AMCM-1871 Fix wrong position of collection component (#1643) (#1672)

Known Issues

AMCM-1860 Airgapped download

The following files needs to be downloaded and copied manually before any --airgapped install.

• <CMA_ROOT_DIR>
  • atlas-migration-exporter-0.8.0.2.6.6.0-332.tar.gz
  • jdbc-drivers/
    • mysql-connector-java-5.1.46.jar
    • ojdbc8.jar
    • postgresql-42.3.4.jar

Only add the JDBC driver your cluster uses.

Behavioral Changes

• /info endpoint API response changed to correctly return the product name (AMCM-1891)

Fixed Common Vulnerabilities and Exposures

Learn more about the Common vulnerabilities and Exposures (CVEs) that were fixed in this release.

• CVE-2024-1597: org.postgresql:postgresql vulnerable to SQL Injection via line comment generation - AMCM-1910

• /info endpoint API response changed to correctly return the product name (AMCM-1891)

3.2.0

Known Issues

HBase migration from CDH needs extra parcels Installed

In order to use Cloudera Migration Assistant for you need obtain the following parcels from Cloudera Support :

• CDH5 : CLOUDERA_OPDB_REPLICATION-1.0-1.CLOUDERA_OPDB_REPLICATION5.14.4.p0.31473501-el7.parcel
• CDH6 : CLOUDERA_OPDB_REPLICATION-1.0-1.CLOUDERA_OPDB_REPLICATION6.3.3.p0.8959316-el7.parcel

These along with their hash files need to be copied to parcels directory in Cloudera Migration Assistant root directory