jshmchenxi opened a new pull request #2500: URL: https://github.com/apache/hive/pull/2500
…ead safety problem ### What changes were proposed in this pull request? Add lock to org.apache.hadoop.hive.ql.exec.ConditionalTask#resolveTask to prevent race condition when parallel execution is enabled ### Why are the changes needed? Otherwise some stages might not be executed because of the race condition, result in wrong result or partial result. Please refer to the JIRA issue. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Tested in version hive-1.1.0 in our hadoop cluster -- 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]
