Pivotal Greenplum Platform Extension Framework 5.x Release Notes
The Pivotal Greenplum Platform Extension Framework (PXF) is included in the Pivotal Greenplum Database distribution in Greenplum versions including and older than 5.28 and 6.9. PXF for Redhat/CentOS and Oracle Enterprise Linux is updated and distributed independently of Greenplum Database starting with PXF version 5.13.0. You may need to download and install the PXF package to obtain the most recent version of this component.
The independent PXF distribution is compatible with these operating system platform and Greenplum versions:
|OS Version||Greenplum Version|
|RHEL 7.x, CentOS 7.x||5.21.2+, 6.x|
|RHEL 6.x, CentOS 6.x||5.21.2+|
cURLand instead loads the system-provided library. PXF requires
cURLversion 7.29.0 or newer. The officially-supported
cURLfor the CentOS 6.x and Red Hat Enterprise Linux 6.x operating systems is version 7.19.*. Greenplum Database 6 does not support running PXF on CentOS 6.x or RHEL 6.x due to this limitation.
PXF is compatible with these Java and Hadoop component versions:
|PXF Version||Java Versions||Hadoop Versions||Hive Server Versions||HBase Server Version|
|5.14, 5.13||8, 11||2.x, 3.1+||1.x, 2.x, 3.1+||1.3.2|
Release Date: July 7, 2020
PXF 5.14.0 includes these new and changed features:
- PXF supports the
snappycompression codecs when writing Avro data to an external data store. By default, PXF now compresses all Avro data with the
deflatecodec before writing it to the external store.
- Before writing Avro data, PXF converts
smallint-type columns to the
intdata type. You must specify an
int-type column in an external table definition to read this data.
PXF 5.14.0 resolves these issues:
|30708||PXF can now compress Avro data before writing it to an external data store.|
|30671||PXF fixes an issue where it did not correctly handle writing Avro data when the external table definition included a
Release Date: June 30, 2020
PXF 5.13.0 includes these new and changed features since PXF 5.12.0:
- PXF 5.13.0 is the first standalone release of PXF for RedHat/CentOS that is distributed separately from Greenplum Database.
PXF 5.13.0 resolves these issues:
|364||PXF fixes an issue where it did not correctly read from an external table when the
|30640||The use of the
Deprecated features may be removed in a future major release of PXF. PXF version 5.x deprecates:
PXF_KEYTABsettings in the
pxf-env.shfile. You can use the
pxf-site.xmlfile to configure Kerberos and impersonation settings for your new Hadoop server configurations (deprecated since PXF version 5.10.0).
pxf.impersonation.jdbcproperty setting in the
jdbc-site.xmlfile. You can use the
pxf.service.user.impersonationproperty to configure user impersonation for a new JDBC server configuration (deprecated since PXF version 5.10.0).
- The HDFS profile names for the Text, Avro, JSON, Parquet, and SequenceFile data formats (deprecated since PXF version 5.0.1). Refer to Connectors, Data Formats, and Profiles in the PXF Hadoop documentation for more information.
PXF 5.x has these known issues and limitations:
|168957894||The PXF Hive Connector does not support using the
Workaround: Use the PXF JDBC Connector to access Hive.