viirya commented on pull request #31369: URL: https://github.com/apache/spark/pull/31369#issuecomment-774639158
@xuanyuanking Thanks for continuing looking this. > Here's some analysis: The left/rightSideMetrics passed in combine function are objects with adding new descriptions here: Oh, yeah, looks like `SymmetricHashJoinStateManager.metrics` changes metric description to prevent the metrics to be overridden. However I'd say we still should make `StateStoreMetrics.combine` solid to prevent possible metric overriding as the added test case shows. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
