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website/site/content/docs/install/rpi.md

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+title = "Raspberry-Pi and Similiar"
+weight = 40
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+
+# Raspberry Pi, and similiar
+
+Both component can run next to each other on a raspberry pi or
+similiar device.
+
+
+## REST Server
+
+The REST server component runs very well on the Raspberry Pi and
+similiar devices. It doesn't require much resources, because the heavy
+work is done by the joex components.
+
+
+## Joex
+
+Running the joex component on the Raspberry Pi is possible, but will
+result in long processing times for OCR. Files that don't require OCR
+are no problem.
+
+Tested on a RPi model 3 (4 cores, 1G RAM) processing a PDF (scanned
+with 300dpi) with two pages took 9:52. You can speed it up
+considerably by uninstalling the `unpaper` command, because this step
+takes quite long. This, of course, reduces the quality of OCR. But
+without `unpaper` the same sample pdf was then processed in 1:24, a
+speedup of 8 minutes.
+
+You should limit the joex pool size to 1 and, depending on your model
+and the amount of RAM, set a heap size of at least 500M
+(`-J-Xmx500M`).
+
+For personal setups, when you don't need the processing results asap,
+this can work well enough.