cxzl25 opened a new pull request #31194: URL: https://github.com/apache/spark/pull/31194
### What changes were proposed in this pull request? EventLoggingListener.codecMap change mutable.HashMap to ConcurrentHashMap ### Why are the changes needed? 2.x version of history server EventLoggingListener.codecMap is of type mutable.HashMap, which is not thread safe This will cause the history server to suddenly get stuck and not work. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? exist ut ---------------------------------------------------------------- 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]
