added per node pycache#56
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MarkNDeaconu wants to merge 3 commits into
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Can you post some results on some tasks running with = PYTHONDONTWRITEBYTECODE, vs global temp cache, vs the per task tmp cache? Would prefer to not accumulate cache on the machine if it can be avoided. |
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The objective is to move pycache to local disk, but keep workers using a common venv on the associated pycache. Startup and cleanup of pycache also tied to venv. |
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Cache task bytecode (.pyc) on local disk via PYTHONPYCACHEPREFIX
PYTHONPYCACHEPREFIX redirects all bytecode reads/writes to a per-node dir on /dev/shm, so imports never write to the codedir which can cause issues on nfs when using an older linux kernel (torvalds/linux@99bc9f2). PYTHONDONTWRITEBYTECODE is slower in comparison since recompiling happens per task.