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clarify man page
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@clhedrick-student
clhedrick-student committed Jul 5, 2024
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2 changes: 1 addition & 1 deletion man/man4/zfs.4
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Expand Up @@ -1781,7 +1781,7 @@ When readdir searches a directory, it normally prefetches metadata for
all objects in the directory it checks, even if it's just
looking for a single object.
Setting this to a non-zero value disables that prefetching for directories
larger than that value.
with more files than that value.

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@stuartthebruce

stuartthebruce Jul 5, 2024

Perhaps too pedantic, but what about files -> files/directories or files + directories or entries?
Disabling it for large directories can greatly lower CPU usage on NFS servers where directories
have a very large number of subdirectories.
A reasonable value would be 20000.
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