Subj : [$] The long path toward optimizing short reads
To   : All
From : LWN.net
Date : Fri Oct 31 2025 06:40:07

The kernel's file-I/O subsystems have been highly optimized over the years
in the hope of providing the best performance for a wide variety of
workloads.  There is, however, one workload type that suffers with current
kernels: applications that perform many short reads, in multiple processes,
from the same file.  Kiryl Shutsemau has been working on a patch to
try to optimize this case, but the task is turning out to be harder than
one might expect.

https://lwn.net/Articles/1043640/
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