Error running build.sh (Ubuntu 22.04) (Unable to locate package zstd) about willow-inference-server HOT 6 CLOSED

D'oh! I am a big dummy. The Dockerfile is in fact right there. I will try editing it.

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According to https://packages.ubuntu.com/jammy/zstd the zstd package depends on liblz4-1. I changed the offending line in the Dockerfile to:

apt-get install -y liblz4-1  && rm -rf /var/lib/apt/lists/* 

and that seems to have resolved the problem

from willow-inference-server.

apt-get (of course) installs necessary dependencies by default so I have no idea what the problem was there. More than likely you had some transient network connectivity issue because when you can't connect to Ubuntu mirrors it's definitely not a WIS issue - we haven't even really done anything yet.

You're also probably better served (at this point) using/testing the wisng branch for WIS. Our first (imminent) stable release will be based on that.

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@kristiankielhofner Thank you!

When I tried apt-get install -y zstd locally outside of the docker context, it worked fine - I suspect that the base docker image, nvcr.io/nvidia/tensorrt:22.12-py3, has something funky in the /etc/sources, where it is able to find liblz4-1 but not zstd.

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I suspect others may run into this in the future; for now, I'm happy to close.

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Except that it does work for all of the people who have installed WIS before you. I do it several times a day :).

Additionally, installing liblz4-1 eliminated your error but it's actually the wrong lib. LZ4 is a different compression algorithm, the dependant lib for zstd is libzstd1. Installing liblz4-1 does nothing other than occupy storage space.

When you try to use zstd inside of the container (as we do in occasional places) it will fail because the binary and dependant lib isn't actually installed.

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