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Add queue size signal to base AD plugin IO class#725

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coretl merged 1 commit intobluesky:mainfrom
jwlodek:add-queue-size-signal
Jan 9, 2025
Merged

Add queue size signal to base AD plugin IO class#725
coretl merged 1 commit intobluesky:mainfrom
jwlodek:add-queue-size-signal

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@jwlodek
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@jwlodek jwlodek commented Jan 8, 2025

Resolves #621

@jwlodek jwlodek requested review from mrakitin and thopkins32 January 8, 2025 18:32
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coretl commented Jan 9, 2025

What do we need this signal for? It's not used in the code...

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jwlodek commented Jan 9, 2025

At HEX we found that the file system could not keep up with the speed of the camera, so as a step in the plan we also set queue_size=num_frames for the writer plugin. I can add that to writer.open but wasn't sure if that would be desired behavior in all cases.

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coretl commented Jan 9, 2025

At HEX we found that the file system could not keep up with the speed of the camera, so as a step in the plan we also set queue_size=num_frames for the writer plugin. I can add that to writer.open but wasn't sure if that would be desired behavior in all cases.

You're probably right there. Let's just merge this as is.

@coretl coretl merged commit 7683745 into bluesky:main Jan 9, 2025
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Add QueueSize epics_signal_rw to NDPluginBaseIO

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