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Debugging Linux I/O latency
Fresh7 days ago
Mar 15, 202611013 viewsConfidence Score0%
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Problem
I'm having some I/O problems on a couple of Linux systems that I administer. They manifest in that processes often block for up to several seconds in such simple syscalls as open(), unlink() or close() on files (which is a problem because some of the involved programs need rather low I/O latency to…
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Fix for: Debugging Linux I/O latency
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Now in due time, I have managed to solve this myself, so I can at least follow up on it myself for posterity. Unfortunately, I lost the original problem in a kernel upgrade, but gained a new one instead, even worse in performance, and just as hard t…
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