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Oracle Linux 7: SAR Memory Utilisation Fails to List kbavail Field (Doc ID 2833856.1)

Last updated on JANUARY 25, 2022

Applies to:

Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.9 [Release OL7 to OL7U9]
Linux x86-64


The System Activity Report sar(1) utility on Linux is a useful tool to report various system resource and performance usage.

Unlike more recent Oracle Linux releases, running the sar -r command on Oracle Linux 7 fails to report kbavail column/data, as presented by /proc/meminfo: MemAvailable

Following is a comparison of sar -r output on Oracle Linux 7 and 8:

Oracle Linux 7:



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