MathWorks Service Host is drastically slowing down starttime and fills up users $HOME

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Raffaele Potami
Raffaele Potami 2024-6-20
评论： Raymond Norris 2024-7-30
We have the same issue as https://www.mathworks.com/matlabcentral/answers/2128851-why-is-the-mathworks-service-host-causing-issues-with-my-cluster-and-or-hpc and I see there that "For R2024a and newer, regardless of your licensing, the MathWorks Service Host is required"
When running in a cluster, this process is repeated every time MATLAB is started on a new node.
This not only causes uneccessary delays but it also piles up lots of data on the users' HOME space.
If we have 300 nodes, at ~640MB per node under $HOME/.MathWorks/ServiceHost a user would require more than 180GB just to host this data. This makes version 2024 not suitable for cluster environments.
How do we fix this issue?

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Raymond Norris
Raymond Norris 2024-6-21
Hi @Raffaele Potami MSH 2024.6 merges the data to a single node, removing the redundancy. MSH automatically updates the next time it runs. The amount of data recorded has also decreased.
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Liu Liu
Liu Liu 2024-7-30
I encountered the same issue when running Matlab jobs (Matlab 2024a) at HPC, exactly as what Jens mentioned. It causes me to run out of quota each time I submit a matlab job..

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