steveloughran commented on PR #41133: URL: https://github.com/apache/spark/pull/41133#issuecomment-1543772258
> is it OK to use Hadoop 3.3.5 client to access Hadoop 3.3.0~3.3.4 server? should be. IPC is all based on protobuf and we try not to remove things to avoid breaking existing code. HDFS compatibility across major versions is something which mattersd a lot, I believe webhdfs has the strongest guarantees. what does break, guaranteed, is mixing hadoop libraries from different versions on the classpath. Avoid that. on and for cloudstuff openssl/wildfly is a source of extreme brittleness, even though when it works it's often faster than JVM ssl -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
