High CPU usage when i view Video

Apps & Services myopenHAB
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1

So, I have a camera setup that is running on a raspi zero.

The CPU usage shoots up to 100% as soon as I start to view the video remotely. It is okay when on the home netowork, but via the cloud it goes up to 100% and the system hangs. I then start getting all sorts of timeouts and warnings.
I end up restarting the openhab2 service and all goes back okay.

I am running openhab 2.2 on an Odroid XU. Java 1.8. The video is streaming at 1024x1080 5fps and is displayed on the sitemap as mjpeg

java version "1.8.0_151"
Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot(TM) Client VM (build 25.151-b12, mixed mode)


6:49:44.014 [ERROR] [.io.openhabcloud.internal.CloudClient] - Socket.IO error: {}
io.socket.engineio.client.EngineIOException: xhr poll error
	at io.socket.engineio.client.Transport.onError(Transport.java:71) [225:org.openhab.io.openhabcloud:2.2.0]
	at io.socket.engineio.client.transports.PollingXHR.access$100(PollingXHR.java:19) [225:org.openhab.io.openhabcloud:2.2.0]
	at io.socket.engineio.client.transports.PollingXHR$6$1.run(PollingXHR.java:124) [225:org.openhab.io.openhabcloud:2.2.0]
	at io.socket.thread.EventThread$2.run(EventThread.java:80) [225:org.openhab.io.openhabcloud:2.2.0]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
	at java.lang.Thread.run(Thread.java:748) [?:?]
Caused by: java.io.IOException: 400
	at io.socket.engineio.client.transports.PollingXHR$Request$1.run(PollingXHR.java:218) ~[?:?]
	... 1 more
16:49:44.042 [INFO ] [.io.openhabcloud.internal.CloudClient] - Disconnected from the openHAB Cloud service (UUID = fdf03dd5-0835-4d23-b6c1-cf69a7e55471, base URL = http://localhost:8080)
16:49:44.049 [WARN ] [.io.openhabcloud.internal.CloudClient] - Jetty request 2144164 failed: null
2

Which system’s CPU goes to 100%. If it is the RPi 0 then it means the RPi 0 is not powerful enough to store and stream the video it is capturing. You can try to drop the resolution or the FPS until it runs more smoothly.

3

Sorry, should have mentioned this; it is the openhab system cpu that goes 100%.
It was set to 30fps, dropped it down to 5fps, but no material difference on the cpu.

4

That’s weird. Something seems missing. Is your OH doing any type of encoding? On one of my panels, I have 20+ video streams, a mixture of mjpeg and h264. The load is on the client, not OH.

5

there is no encoding done by the openhab server. Moreover, the issue is only when i view the video remotely; on the Android app and not on the home network.