How to Determine if Linux Control Groups Are Not Cleaned Up
(Doc ID 2719410.1)
Last updated on OCTOBER 19, 2020
Applies to:Big Data Appliance Integrated Software - Version 4.5.0 and later
How to determine if Linux control groups are not cleaned up.
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In this Document
|Checking for Empty Cgroup Structures|
|Cleaning Up Empty Cgroup Structures|
|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?|