Impala and Yarn Jobs Have Degraded Performance Over Time On Systems with Heavy Linux Control Group Usage

(Doc ID 2411555.1)

Last updated on JUNE 15, 2018

Applies to:

Big Data Appliance Integrated Software - Version 4.6.0 and later
Information in this document applies to any platform.

Symptoms

On systems with heavy Linux Control Group (Cgroup) usage the performance of impala and YARN jobs degrades over time.

Restarting the cluster remedies the situation temporarily and then the same performance degradation is observed.



Cause

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