Unsupported Features in CDH 6.0.0 Beta

This page lists the unsupported features in CDH 6.0.0 Beta:

Apache Hadoop Unsupported Features

The following HDFS features are not supported in CDH 6.0.0 Beta:

  • Erasure Coding
  • HDFS NameNode Federation

The following YARN features are not supported in CDH 6.0.0 Beta:

  • Application Timeline Server v2 (ATSv2)
  • Cgroup Memory Enforcement
  • Container Resizing
  • Distributed Scheduling
  • Docker on YARN (DockerContainerExecutor)
  • Native Services
  • New Aggregated Log File Format
  • Node Labels
  • Pluggable Scheduler Configuration
  • Reservation REST APIs
  • Resource Profiles
  • Rolling Log Aggregation
  • (non-Zookeeper) ResourceManager State Store
  • Shared Cache
  • YARN Federation
  • YARN WebUI v2

Apache HBase Unsupported Features

The following HBase feature is not supported in CDH 6.0.0 Beta:

  • Master hosting meta

Apache Hive Unsupported Features

The following Hive features are not supported in CDH 6.0.0 Beta:

  • AccumuloStorageHandler (HIVE-7068)
  • ACID (HIVE-5317)
  • Built-in version() function is not supported (CDH-40979)
  • Cost-based Optimizer (CBO)
  • Explicit Table Locking
  • HCatalog - HBase plugin
  • Hive Authorization (Instead, use Apache Sentry.)
  • Hive on Apache Tez
  • Hive Local Mode Execution

  • Hive Metastore - Derby
  • Hive Web Interface (HWI)
  • HiveServer1 / JDBC 1
  • HiveServer2 Dynamic Service Discovery (HS2 HA) (HIVE-8376)
  • HiveServer2 - HTTP Mode (Use THRIFT mode.)
  • HPL/SQL (HIVE-11055)
  • LLAP (Live Long and Process framework)
  • Scalable Dynamic Partitioning and Bucketing Optimization (HIVE-6455)
  • Session-level Temporary Tables (HIVE-7090)
  • Table Replication Across HCatalog Instances (HIVE-7341)

Apache Kafka Unsupported Features

The following Kafka feature is not supported in CDH 6.0.0 Beta:

  • The legacy Scala clients (producer and consumer) that are under the kafka.producer.* and kafka.consumer.* package are removed in CDH 6.0.0 Beta.

Apache Oozie Unsupported Features

The following Oozie feature is not supported in CDH 6.0.0 Beta:

  • Conditional coordinator input logic.

Apache Pig Unsupported Features

The following Pig feature is not supported in CDH 6.0.0 Beta:

  • Pig on Tez is not supported in CDH 6.0.0 Beta (PIG-3446 /PIG-3419).
  • Pig on Spark.

Cloudera Search Unsupported Features

The following Search features are not supported in CDH 6.0.0 Beta:

Apache Sentry Unsupported Features

The following Sentry features are not supported in CDH 6.0.0 Beta:

  • Import and export of Sentry metadata to and from Sentry servers
  • Sentry shell command line for Hive

Apache Spark Unsupported Features

The following Spark features are not supported in CDH 6.0.0 Beta:

  • Apache Spark experimental features/APIs are not supported unless stated otherwise.
  • ADLS not Supported for All Spark Components. Microsoft Azure Data Lake Store (ADLS) is a cloud-based filesystem that you can access through Spark applications. Spark with Kudu is not currently supported for ADLS data. (Hive on Spark is available for ADLS in CDH 5.12 and higher.)
  • IPython / Jupyter notebooks is not supported. The IPython notebook system (renamed to Jupyter as of IPython 4.0) is not supported.
  • Certain Spark Streaming features not supported. The mapWithState method is unsupported because it is a nascent unstable API.
  • Thrift JDBC/ODBC server is not supported
  • Spark SQL CLI is not supported
  • GraphX is not supported
  • SparkR is not supported
  • Structured Streaming is not supported.
  • Spark cost-based optimizer (CBO) not supported.