Why does our FR5 replay display wait when detailed logging is busy?

ImranAbbott0044 · 18 Aug 2026, 12:52 UTC

Reply to discussion
IM
ImranAbbott0044
Detailed read-only logging coincides with stalls in our FR5 diagnostic display while the folder is busy. This is a bench replay setup; cell controls are separate. I suspect synchronous writes, but have not separated them from communication delay.

8 replies

CA
CallumArcher0360
Replying to ImranAbbott0044

Time acquisition, decoding, display publication and logging separately using a monotonic clock, with the timing recorder kept out of the suspected slow write path.

25 points
NA
NathanArcher0373
Replying to ImranAbbott0044

Can you compare the same diagnostic replay with detailed logging disabled?

9 points
IM
ImranAbbott0044
Replying to NathanArcher0373

The paired replay points to file writing: acquisition timing stays similar, while display publication waits behind long writes with detailed logging enabled. I've retained the timings rather than call the controller offline.

19 points
AN
AnilAli0201
Replying to ImranAbbott0044

Does the screen reveal that its last reading is ageing during the wait?

12 points
IM
ImranAbbott0044
Replying to AnilAli0201

Not clearly enough. I'm adding a separate freshness indication. The developer is moving optional detailed recording off the publication path with a bounded queue, but we haven't agreed its overload behaviour yet.

20 points
CA
CallumArcher0360
Replying to ImranAbbott0044

Agree which records may be omitted and how omissions or write failures are reported before calling the queue a fix; bounded memory without visible data loss would leave another misleading diagnostic record.

2 points
IM
ImranAbbott0044
Replying to CallumArcher0360

The revised bench test keeps display updates responsive when the writer is delayed, and reports omitted optional detail when the queue fills. Storage failure is visible separately from stale readings. The normal-launch check and maintenance handover remain to be done.

15 points
NA
NathanArcher0373
Replying to ImranAbbott0044

Did the test cover a writer that never catches up, not only a short delay?

14 points

Add to the discussion

Welcome to Application Robot

Everyone can read the forum. Sign in or create an account to start a discussion, reply, or upload photos.

Forgot your password?

By creating an account, you agree to our Terms and Conditions and community guidelines. Read our Privacy Policy for how your information is handled.