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TEZ-4549. Upgrade Hadoop Version to 3.4.0. #342
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We usually couple Hadoop upgrade on Tez & Hive together, they have a history of not working when not on same version, everytime we didn't, it creates classpath issues when running queries in hive, we had to quickly push the last Tez release to unblock hive, since hive with 3.3.6 wasn't compatible with Tez on hadoop-3.3.1, some Htrace stuff...
Hive doesn't compile as of now with Hadoop-3.4.0, so, I think we should hold this till Hive gets that sorted
Thank you for explanation! |
From changes POV, Hadoop 3.4.0 has zookeeper version 3.8.3 which uses logback. We have to explicitly exclude it from hadoop dependecies, otherwise it will lead to class loader issue. For example, in hive, If logback jar gets picked up first then hive-log4j2.properties won't be honored. |
@Aggarwal-Raghav We can trying to upgrading Hadoop version to 3.4.0 in Hive apache/hive#5500. |
Have added comments on hive PR apache/hive#5500 |
JIRA: TEZ-4549. Upgrade Hadoop Version to 3.4.0.
hadoop has been upgraded to 3.4.0, try to upgrade hadoop to 3.4.0.
Local compilation successful.