My nPath Query keeps failing with a cryptic error message: SQL-MR function NPATH failed unexpectedly. The following is information that may be useful to the developer of NPATH: java.lang.IllegalStateException: Db can't be registered more than once at… Show more
Hi, I expanded my questions by providing the query and background information on the use case. I don't think I have a huge skew, but I will try to re-run the query and actively monitor the memory usage. Anyhow, should a MR Algorithm not be independent from available memory at any given node? Or do I lack insight into the inner workings of nPath?