System memory cache is consistently at zero

[camellia]

Hi everyone

System memory cache in "Reporting Health" is always zero.

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Should the graph show "laundry" instead of "cache"?
Is the graph always zero because it doesn't reflect the value of "laundry"?

[Patrick M. Hausen]

Are you running ZFS? ZFS ARC (adaptive replacement cache) is shown as wired, not cache. Only traditional UFS buffer cache woukd ever show up as cache.

[camellia]

I am running UFS.

It appears that the "cache" metric no longer exists in the memory line of the top command. "Laundry" exists in place of "cache," and it shows a non-zero value.

If the "System memory" in "Reporting Health" follows the memory metrics used by the top command, I believe it would be better to eliminate "cache" and introduce "laundry."

Is it not possible to change the cache display, given the need to maintain compatibility with past data?

[nero355]

It appears that the "cache" metric no longer exists in the memory line of the top command. "Laundry" exists in place of "cache," and it shows a non-zero value.

If the "System memory" in "Reporting Health" follows the memory metrics used by the top command, I believe it would be better to eliminate "cache" and introduce "laundry."

If you are adventurous you could edit it in the source code of the component(s) responsible for the function :)