Top Questions

1. Spark Structured Streaming program that reads from non-empty Kafka topic (starting from earliest) triggers batches locally, but not on EMR cluster
   5 votes

   2 answers
2. how to determine if Java heap is using compressed pointers and whether or not resides at address 0 in memory?
   4 votes

   3 answers
3. for a unit test that has a compileOnly dependency, how can i avoid redeclaring the dependency for availability at runtime?
   3 votes

   2 answers
4. why can scala support this: new PrintWriter("filename") { write("file contents"); close }?
   3 votes

   1 answers
5. elasticsearch-hadoop spark connector unable to connect/write using out-of-box ES server setup, & default library settings
   2 votes

   3 answers