Teddy Choi created HIVE-26597:
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Summary: Fix unsetting of db prop repl.target.for in
ReplicationSemanticAnalyzer
Key: HIVE-26597
URL: https://issues.apache.org/jira/browse/HIVE-26597
Project: Hive
Issue Type: Bug
Reporter: Teddy Choi
Assignee: Rakshith C
when repl policy is set from A -> B
* *repl.target.for* is set on B.
when failover is initiated
* *repl.failover.endpoint* = *'TARGET'* is set on B.
now when reverse policy is set up from {*}A <- B{*};
there is a check in
[ReplicationSemanticAnalyzer#initReplDump|https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/parse/ReplicationSemanticAnalyzer.java#L196]
which checks for existence of these two properties and if they are set,
it unsets the *repl.target.for* property.
Because of this optimisedBootstrap won't be triggered because it checks for the
existence of *repl.target.for* property during repl dump on target
[HERE|https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/repl/OptimisedBootstrapUtils.java#L93].
Fix : remove the code which unsets repl.target.for in
ReplicationSemanticAnalyzer, because second dump cycle of optimized bootstrap
unsets it.
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