Robert Huff wrote:
Bill Moran writes:
It's common knowledge that the default value for vfs.read_max is
non- optimal for most hardware and that significant performance
improvements can be made in most cases by raising it.
Documentation/discussion where?
There is no documentation except for the sysctl documentation itself:
"vfs.read_max: Cluster read-ahead max block count" but it depends on the
load - it helps sequential reads, will probably do nothing for other
kinds of loads. It is also UFS-only.
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