My Oracle Support Banner

Standby NameNode Intermittently Goes into Bad Health with NAME_NODE_RPC_LATENCY Health Test Failures (Doc ID 2435153.1)

Last updated on JANUARY 07, 2022

Applies to:

Big Data Appliance Integrated Software - Version 4.11.0 and later
Linux x86-64


The symptom here is that the Standby NameNode intermittently goes into bad health with NAME_NODE_RPC_LATENCY health test failures.

Drilling down into the Health Tests reports:

RPC Latency

The moving average of the RPC latency was 13.4 second(s) ms over the previous 5 minute(s).
The moving average of the queue time was 0 second(s) ms.
The moving average of the processing time was 13.4 second(s) ms. Critical threshold: 5 second(s).

The example here is from a BDA V4.11/CDH 5.13 cluster.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.