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Bo Cui reassigned HBASE-25092: ------------------------------ Assignee: Bo Cui > RSGroupBalancer#assignments lost some regionPlans > ------------------------------------------------- > > Key: HBASE-25092 > URL: https://issues.apache.org/jira/browse/HBASE-25092 > Project: HBase > Issue Type: Bug > Components: rsgroup > Affects Versions: 2.3.1, 2.2.3 > Reporter: Bo Cui > Assignee: Bo Cui > Priority: Major > > https://github.com/apache/hbase/blob/b2f2c79d8fa18fb691e669419004cc5168b0838d/hbase-rsgroup/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupBasedLoadBalancer.java#L216 > when fallback is enabled, servers does not contain the current group's rs, > and contains the rs of other group, region will be assigend to other group, > but assignments already contains targetRS, and then assignments.putAll > overwrites old entry > {code:java} > this.internalBalancer.retainAssignment(currentAssignmentMap, candidateList) > .forEach((serverName, regionInfos) -> { > assignments.computeIfAbsent(serverName, s -> new > ArrayList<>()) > .addAll(regionInfos); > }); > {code} > the issue exists only in the branch-2. -- This message was sent by Atlassian Jira (v8.3.4#803005)