Subj : [$] The long path toward optimizing short reads
To   : All
From : LWN.net
Date : Thu Oct 30 2025 14:15:08

[$] The long path toward optimizing short reads

Date:
Thu, 30 Oct 2025 14:08:38 +0000

Description:
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.

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Link to news story:
https://lwn.net/Articles/1043640/


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