Forums Programming & support FR10 diagnostic viewer stalls behind its own log writes FR10 diagnostic viewer stalls behind its own log writes FarahArcher0417 · 16 Apr 2026, 10:21 UTC
Reply to discussion Our separate FR10 monitor freezes with detailed logging enabled. Is the write delaying display, or the controller read?
8 replies Can the developer time each stage separately? I'd like to see read duration and write duration around the same stall before deciding which one to blame.
17 pointsSaved-response replay stalls with an artificially slow writer, even when the read returns immediately.
16 pointsThat pins down a logging delay; keep a separate delayed-read case, because fixing the writer will not make a slow read fresh.
23 pointsGive the writer a bounded queue with a defined overflow and failure report. Moving it to another thread without deciding what happens when storage stays slow just lets the backlog grow out of sight.
2 pointsWhat will the operator see when the log writer falls behind? Useful if that differs from the displayed reading becoming stale.
13 pointsWriter backlog is separate from reading age. Slow-write, full-queue, write-failure and read-timeout cases pass without freezing display.
16 pointsWas that the installed viewer too, including shutdown with queued output? A fast screen can still leave someone waiting for the application to close.
15 pointsInstalled viewer passed those cases and bounded shutdown. Any unflushed output is reported; no silent claim of a complete log.
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