Hi, This is maybe more related to bitbake but I start by posting it here. I am for the first time trying to make use of a distributed sstate cache but I am getting some unexpected results and wanted to hear if my expectations are wrong. Everything works as expected when a build node is using a sstate cache from it's self so I do a clean build and upload the sstate cache from that build to our mirror. If then do a complete build using the mirror I get a 99% hit rate which is what I would expect. If I then start a build on a different node using the same cache I am only getting a 16% hit rate. I am running the builds inside docker so the environment should be identical. We have several build nodes in our CI and they where actually cloned and all of them have the same HW. They are all running the builds in docker but it looks like they can share the sstate cache and still get a 99% hit rate. This to me suggests that the hit rate for the sstate cache is node depending so a cache cannot actually be shared between different nodes which is not what I expected. I have not been able find any information about this limitation. Any clarification regarding what to expect from the sstate cache would be appreciated.
Thanks
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