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wiedehopf / readsb

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Feature Request: preserve outlines.json after restart #60

Closed dxmekch closed 3 months ago

dxmekch commented 3 months ago

Hello:)

I wonder if it's possible to implement an option (e.g. --range-outline-preserve=) to retain the outlines.json (similar to --write-state=) after a restart of readsb or the device. This would probably make a helpful addition to the existing option --range-outline-hours= and would prevent that the outlines are reset after a power loss or restart of the device (e.g. to apply updates).

wiedehopf commented 3 months ago

write-state already preserves the outline.

dxmekch commented 3 months ago

I just restarted my readsb and it appears that the traces are saved but the outline is definitely not.

wiedehopf commented 3 months ago

Please restart the service again and provide me with logs from startup to exit.

dxmekch commented 3 months ago

I guess I figured it out, it seems like we can't point to the same dir as --write-json, /run/readsb in my case, for state storage, this dir seems not to be persistent.

..... first start with state enabled / directory not backed by persistent storage

I now changed the dir and it's working.

Mar 20 17:48:33 pi3 readsb[27288]: loading state ..... Mar 20 17:48:33 pi3 readsb[27288]: actual range outline, read bytes: 368644 Mar 20 17:48:33 pi3 readsb[27288]: .......... done, loaded 44 aircraft in 0.018 seconds!