Guidelines for software/security patching on BDA

(Doc ID 2132520.1)

Last updated on FEBRUARY 10, 2018

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.

BDA releases come out quarterly (approximately).  Therefore separate security patch updates are not released. Instead the recommendation is to upgrade to the most recent BDA release.

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 outside of the regular BDA upgrade cycle.  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.


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