Goal Determine whether a socket-activated systemd service keeps its listening socket open across a service reload, enabling configuration changes for a small Linux application without interrupting client connections. Constraint Systemd documentation does not explicitly define socket preservation semantics during reload. Behavior may vary by service implement

Linux & Open Source · Editorial question

Community & Careers

Question0 answers2,343 followingPosted 02 Nov 2020, 20:37 UTC144.2K views4,490 votes

Should you raise the file‑descriptor limit or enable TCP_TW_REUSE to prevent connection‑pool exhaustion on NAT‑exposed hosts?

Goal Select a mitigation that reliably prevents intermittent connection‑pool exhaustion on Unix hosts handling high‑churn outbound traffic. Constraints TCP_TW_REUSE is unsafe on systems that act as NAT routers or that rely on TIME_WAIT for duplicate‑packet suppression. Raising the per‑process file‑descriptor limit can hide application‑level leaks and require

Community & Careers · Editorial question

file-descriptor socket-activation systemd

Rahul Sage

Asked03 Dec 2022, 02:42 UTC

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Tasadduq Burneyowner

answered03 Dec 2022, 03:02 UTC

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Nia Finch

Asked02 Nov 2020, 20:37 UTC

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