Unfortunately, the short answer is no. Please refer the last part of discussion on the PR https://github.com/apache/spark/pull/24922
Unless we get any native implementation of this, I guess this project is most widely known implementation for RocksDB backend state store - https://github.com/chermenin/spark-states On Wed, Apr 22, 2020 at 11:32 AM kant kodali <kanth...@gmail.com> wrote: > Hi All, > > 1. is RosckDB backend available in 3.0 preview? > 2. if RocksDB can store intermediate results of a stream-stream join can I > run streaming join queries forever? forever I mean until I run out of > disk. or put it another can I run the stream-stream join queries for years > if necessary (imagine I got lot of disk capacity but not a whole lot of > RAM)? > 3. Does is to do incremental checkpointing to HDFS? > > Thanks! > >
