distributed-computing — FixDevsLatest fixes and solutions for distributed-computing errors on FixDevs.https://fixdevs.com/enThu, 09 Apr 2026 00:00:00 GMTFix: PySpark Not Working — Java Heap Space, Serialization Errors, and OOM Exceptionshttps://fixdevs.com/blog/pyspark-not-working/https://fixdevs.com/blog/pyspark-not-working/How to fix PySpark errors — Java heap space out of memory, PicklingError cannot serialize, py4j gateway exception, Spark session not found, partition skew causing slow shuffle, lazy evaluation confusion, and collect crashing driver.Thu, 09 Apr 2026 00:00:00 GMTpythonpysparkapache-sparkbig-datadistributed-computingdebuggingFixDevsFix: Ray Not Working — Cluster Init, Object Store Memory, and Actor Lifecycle Errorshttps://fixdevs.com/blog/ray-not-working/https://fixdevs.com/blog/ray-not-working/How to fix Ray errors — ray.init connection refused, object store full ObjectStoreFullError, worker died unexpectedly, serialization PickleError for remote function, Ray Tune trials fail, Ray cluster version mismatch, and actor ReferenceError.Thu, 09 Apr 2026 00:00:00 GMTpythonraydistributed-computingmachine-learningray-tunedebuggingFixDevs