Switch to ProcessSession for Disco #57
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On an environment with NVLink, using
ProcessSessionseems to fix the odd hang issues.But on an environment without NVLink, after we switched to build-time sharding,
serve/tests/test_engine_paged_cache_model.pywithProcessSessionfails with mysterious error:This doesn't happen if the model is initialized from the serving layer. So running this test with disco is broken on such environment, but usual deployment works fine.