Known Issues in Cloudera Manager 7.6.1 (CDP Private Cloud Base 7.1.7 SP1)

Known issues in Cloudera Manager 7.6.1

Technical Service Bulletins

TSB 2022-571: Increased heap memory in Reports Manager in Cloudera Manager 7.4.3+
“Directory Usage report should include a column that shows usage including Hadoop Distributed File System (HDFS) Snapshots” feature caused an unexpected increase of memory consumption in Reports Manager. Using the affected versions can cause heavy Java Virtual Machine (JVM) Pauses in the Reports Manager. Due to the JVM Pauses the HDFS Usage Reports cannot be updated.
Components Affected:
  • Reports Manager
Products Impacted:
  • Cloudera Data Platform (CDP) Private Cloud Base
Releases Impacted:
  • CDP Private Cloud Base 7.1.7
  • CDP Private Cloud Base 7.1.7 Service (SP) 1
Users Impacted:
  • Users who actively use Reports Manager and the HDFS Usage Reports
Action required
  • Request for a hotfix
  • Alternatively, increase the heap size of the Reports Manager (headlamp_heapsize) at the following location: Cloudera Management Service > Configuration > headlamp_heapsize.

    The recommended value is up to four times the current recommendation (4 * FsImage size + 2 Gb).

    For example:
    FsImage size: 20 Gb;
    Current recommendation in the official documentation: 4 * 20 Gb + 2 Gb = 82 Gb;
    Recommended value for the increased heap memory needs: x * 82 Gb (1 < x <= 4)
Knowledge article
For the latest update on this issue see the corresponding Knowledge article:

Cloudera Customer Advisory: Increased heap memory in Reports Manager in Cloudera Manager 7.4.3+