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Guidelines for software/security patching on BDA (Doc ID 2132520.1)

Last updated on AUGUST 31, 2022

Applies to:

Big Data Appliance Integrated Software - Version 4.1.0 and later
Linux x86-64


Provide basic guidelines for updating software/security fixes on BDA.

Separate security patch updates are not released on the BDA.  Security-conscious customers may review the CPU updates and apply the relevant Oracle Linux or JDK or UEK updates if required.  In this case Oracle Linux, JDK and UEK updates may be applied.  Details follow below.

Note that different types of patching may require downtime:

  1. OS patching should not require downtime.
  2. Kernel patching requires server downtime but can be done in a rolling fashion.
  3. JDK patching using, Instructions for Installing a Higher JDK Version on a BDA Cluster than the Default Provided by Mammoth Using RPMs (Doc ID 2262922.1), requires cluster downtime

A Mammoth upgrade (which patches all of the above) offers a rolling option that allows for zero-downtime for HDFS and YARN.

To summarize: In general all BDA releases fix all vulnerabilities which have patches released about a month before the Mammoth release date. Patching the OS, the kernel, the JDK and the Hadoop stack is allowed separately.


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