How to Determine if Linux Control Groups Are Not Cleaned Up
(Doc ID 2719410.1)
Last updated on JULY 20, 2024
Applies to:
Big Data Appliance Integrated Software - Version 4.5.0 and laterLinux x86-64
Purpose
How to determine if Linux control groups are not cleaned up.
Details
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
Purpose |
Details |
Background |
Checking for Empty Cgroup Structures |
Cleaning Up Empty Cgroup Structures |
Using lscgroup |
Installing libcgroup-tools on OL7 |
Differences Between lscgroup Monitoring on OL7 vs OL6 |
Frequently Asked Questions |
Are the settings used in, Impala and Yarn Jobs Have Degraded Performance Over Time On Systems with Heavy Linux Control Group Usage (Doc ID 2411555.1), optimum for every cluster? |
Is there a more preferred set of values for the two settings above? |
Are the settings provided in Impala and Yarn Jobs Have Degraded Performance Over Time On Systems with Heavy Linux Control Group Usage (Doc ID 2411555.1) dependent on OS version? |
Does this mean if a cluster is upgraded from Oracle Linux 6 to Oracle Linux 7 the NodeManager settings above do not have to be updated? |
If lscgroup shows a high number of cgroups does that indicate a problem? |
Is it normal for some nodes to have more cgroups than other? |
References |