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Aihua Xu commented on HIVE-11488: --------------------------------- 1. It will log sessionId and queryId for all the operations since I added to Operation base class. 2. Yeah. I didn't know that property. That would be the right place to add. Will update that. 3. You are right. We don't need that any more. I will remove that. > Add sessionId and queryId info to HS2 log > ----------------------------------------- > > Key: HIVE-11488 > URL: https://issues.apache.org/jira/browse/HIVE-11488 > Project: Hive > Issue Type: New Feature > Components: Logging > Affects Versions: 2.0.0 > Reporter: Aihua Xu > Assignee: Aihua Xu > Attachments: HIVE-11488.2.patch, HIVE-11488.patch > > > Session is critical for a multi-user system like Hive. Currently Hive doesn't > log seessionId to the log file, which sometimes make debugging and analysis > difficult when multiple activities are going on at the same time and the log > from different sessions are mixed together. > Currently, Hive already has the sessionId saved in SessionState and also > there is another sessionId in SessionHandle (Seems not used and I'm still > looking to understand it). Generally we should have one sessionId from the > beginning in the client side and server side. Seems we have some work on that > side first. > The sessionId then can be added to log4j supported mapped diagnostic context > (MDC) and can be configured to output to log file through the log4j property. > MDC is per thread, so we need to add sessionId to the HS2 main thread and > then it will be inherited by the child threads. -- This message was sent by Atlassian JIRA (v6.3.4#6332)