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Long term component architecture

As the main curator of open standards in Hadoop, Cloudera has a track record of bringing new open source solutions into its platform (such as Apache Spark, Apache HBase, and Apache Parquet) that are eventually adopted by the community at large. As standards, you can build longterm architecture on these components with confidence.

 

PLEASE NOTE:

With the exception of DSSD support, Cloudera Enterprise 5.6.0 is identical to CDH 5.5.2/Cloudera Manager 5.5.3  If you do not need DSSD support, you do not need to upgrade if you are already using the latest 5.5.x release.

 

CDH 5 provides packages for Red-Hat-compatible, SLES, Ubuntu, and Debian systems as described below.

Operating System Version Packages
Red Hat Enterprise Linux (RHEL)-compatible
Red Hat Enterprise Linux 5.7 64-bit
  5.10 64-bit
  6.4 64-bit
  6.5 64-bit
  6.5 in SE Linux mode 64-bit
  6.6 64-bit
CentOS 5.7 64-bit
  5.10 64-bit
  6.4 64-bit
  6.5 64-bit
  6.5 in SE Linux mode 64-bit
  6.6 64-bit
Oracle Linux with default kernel and Unbreakable Enterprise Kernel 5.6 (UEK R2) 64-bit
  6.4 (UEK R2) 64-bit
  6.5 (UEK R2, UEK R3) 64-bit
  6.6 (UEK R3) 64-bit
SLES
SUSE Linux Enterprise Server (SLES) 11 with Service Pack 2 64-bit
SUSE Linux Enterprise Server (SLES) 11 with Service Pack 3 64-bit
Ubuntu/Debian
Ubuntu Precise (12.04) - Long-Term Support (LTS) 64-bit
  Trusty (14.04) - Long-Term Support (LTS) 64-bit
Debian Wheezy (7.0) 64-bit

Note:

  • CDH 5 provides only 64-bit packages.
  • Cloudera has received reports that our RPMs work well on Fedora, but we have not tested this.
  • If you are using an operating system that is not supported by Cloudera packages, you can also download source tarballs from Downloads.
Selected tab: SupportedOperatingSystems
Component MySQL SQLite PostgreSQL Oracle Derby - see Note 4
Oozie 5.5, 5.6 - 8.4, 9.2, 9.3

See Note 2

 11gR2 Default
Flume - - - - Default (for the JDBC Channel only)
Hue 5.5, 5.6

See Note 1

 Default 8.4, 9.2, 9.3

See Note 2

 11gR2 -
Hive/Impala 5.5, 5.6

See Note 1

 - 8.4, 9.2, 9.3

See Note 2

 11gR2 Default
Sentry 5.5, 5.6

See Note 1

 - 8.4, 9.2, 9.3

See Note 2

 11gR2 -
Sqoop 1 See Note 3 - See Note 3 See Note 3 -
Sqoop 2 See Note 4 - See Note 4 See Note 4 Default

Note:

  1. MySQL 5.5 is supported on CDH 5.1. MySQL 5.6 is supported on CDH 5.1 and later. The InnoDB storage engine must be enabled in the MySQL server.
  2. PostgreSQL 9.2 is supported on CDH 5.1 and later. PostgreSQL 9.3 is supported on CDH 5.2 and later.
  3. For the purposes of transferring data only, Sqoop 1 supports MySQL 5.0 and above, PostgreSQL 8.4 and above, Oracle 10.2 and above, Teradata 13.10 and above, and Netezza TwinFin 5.0 and above. The Sqoop metastore works only with HSQLDB (1.8.0 and higher 1.x versions; the metastore does not work with any HSQLDB 2.x versions).
  4. Sqoop 2 can transfer data to and from MySQL 5.0 and above, PostgreSQL 8.4 and above, Oracle 10.2 and above, and Microsoft SQL Server 2012 and above. The Sqoop 2 repository database is supported only on Derby and PostgreSQL.
  5. Derby is supported as shown in the table, but not always recommended. See the pages for individual components in the Cloudera Installation and Upgrade guide for recommendations.
Selected tab: SupportedDatabases
CDH 5.4.x is supported with the versions shown in the following table:
Minimum Supported Version Recommended Version Notes
1.7.0_55 1.7.0_67 or 1.7.0_75 None
1.8.0_60 1.8.0_60 None
Selected tab: SupportedJDKVersions

CDH requires IPv4. IPv6 is not supported.

See also Configuring Network Names.

Selected tab: SupportedInternetProtocol
Selected tab: SystemRequirements

Issues Fixed in CDH 5.4.4

Upstream Issues Fixed

The following upstream issues are fixed in CDH 5.4.4:

  • HIVE-10572 - Improve Hive service test to check empty string
  • HIVE-9934 - Vulnerability in LdapAuthenticationProviderImpl enables HiveServer2 client to degrade the authentication mechanism to "none", allowing authentication without password
  • HIVE-10006 - RSC has memory leak while execute multi queries.
  • HUE-2814 - Revert pyopenssl 0.13.1

Published Known Issues Fixed

As a result of the above fixes, the following issues, previously published as Known Issues in CDH 5, are also fixed.

Hue with SSL Fails to Start in CDH 5.4.3

In CDH 5.4.3, Hue with SSL fails to start because a pyOpenSSL package is missing in the parcel. This applies to both new installs and upgrades and is not operating-system specific.

Bug: None

Severity: High

Release affected: CDH 5.4.3

Release containing the fix: CDH 5.4.4

Workaround:

  1. Download the package:
    1. cd /tmp
    2. curl -O https://pypi.python.org/packages/source/p/pyOpenSSL/pyOpenSSL-0.13.tar.gz
  2. Determine the Hue installation directory:
    • Parcels:

      export HUE_DIR=/opt/cloudera/parcels/CDH-5.4.3-1.cdh5.4.3.p0.6/lib/hue

    • Packages:

      export HUE_DIR=/usr/lib/hue

  3. Change to the Hue installation directory:

    cd $HUE_DIR

  4. Do the following, depending on your OS:
    • On CentOS/RedHat 6.x:
      1. sudo yum install gcc python-devel openssl-devel
      2. sudo ./build/env/bin/python ./build/env/bin/pip -v install /tmp/pyOpenSSL-0.13.tar.gz
    • On Ubuntu 14.04:
      1. sudo apt-get install gcc python-dev python-pip libssl-dev
      2. sudo pip install --target=`pwd`/`ls -d build/env/lib/python*/site-packages` /tmp/pyOpenSSL-0.13.tar.gz
    • On other platforms, contact Support for assistance.
Selected tab: WhatsNew
Selected tab: Documentation

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