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luoyuxia commented on FLINK-27191: ---------------------------------- [~straw] Appreciated for your detail explaination. IIUC, you mean the thread wrapped for new principal to access hive will modify [authenticationMethod|https://github.com/apache/hadoop/blob/1b5c6b3a3b90c6e396e00e991b49d170eb2dac55/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L310] which is also be checked by the autoRenewalThread? >From the UGI code, the wapper will use method >[loginUserFromKeytabAndReturnUGI|[https://github.com/apache/hadoop/blob/1b5c6b3a3b90c6e396e00e991b49d170eb2dac55/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L1040]], > seems it will create a new >[UGI|[https://github.com/apache/hadoop/blob/1b5c6b3a3b90c6e396e00e991b49d170eb2dac55/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L1063]], > and set >[authenticationMethod|https://github.com/apache/hadoop/blob/1b5c6b3a3b90c6e396e00e991b49d170eb2dac55/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/UserGroupInformation.java#L310] > for the new UGI. Actually they modify different object, so I think there's >no race. > Support multi kerberos-enabled Hive clusters > --------------------------------------------- > > Key: FLINK-27191 > URL: https://issues.apache.org/jira/browse/FLINK-27191 > Project: Flink > Issue Type: Improvement > Components: Connectors / Hive > Reporter: luoyuxia > Priority: Major > Fix For: 1.16.0 > > > Currently, to access kerberos-enabled Hive cluster, users are expected to add > key/secret in flink-conf. But it can only access one Hive cluster in one > Flink cluster, we are also expected to support multi kerberos-enabled Hive > clusters in one Flink cluster. -- This message was sent by Atlassian Jira (v8.20.1#820001)