Spark: java.io.IOException: No space left on device

Question

Now I am learning how to use spark.I have a piece of code which can invert a matrix and it works when the order of the matrix is small like 100.But when the order of the mat

Answer 1

According to the Error message you have provided, your situation is no disk space left on your hard-drive. However, it's not caused by RDD persistency, but shuffle which you implicitly required when calling reduce.

Therefore, you should clear your drive and make more spaces for your tmp folder