Beam docs make no comment about whether DoFns should be thread-safe or not, but adding synchronized blocks does not harm. GatherBundleAndSortFn has been updated to be thread-safe.
BatchFn has been re-written to use local variables only so is now thread-safe. [ Full content available at: https://github.com/apache/beam/pull/6478 ] This message was relayed via gitbox.apache.org for [email protected]
