tanyastickles commented on code in PR #8700:
URL: https://github.com/apache/hbase/pull/8700#discussion_r4106706672
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hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/RegionStateStore.java:
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@@ -376,6 +376,11 @@ public void splitRegion(RegionInfo parent, RegionInfo
splitA, RegionInfo splitB,
Put putParent = MetaTableAccessor.makePutFromRegionInfo(
RegionInfoBuilder.newBuilder(parent).setOffline(true).setSplit(true).build(),
time);
MetaTableAccessor.addDaughtersToPut(putParent, splitA, splitB);
+ // Persist the terminal SPLIT state so that after a master failover
loadMeta reconstructs the
+ // parent as state=SPLIT rather than falling back to OFFLINE, which would
make it eligible for
+ // re-assignment via processOfflineRegions. See HBASE-30353.
+ MetaTableAccessor.addRegionStateToPut(putParent,
RegionInfo.DEFAULT_REPLICA_ID,
Review Comment:
we'd still need the `isSplit` check in
AssignmentManager.createAssignProcedure (line 803). if the method is called
with `override=true`, it would skip the `preTransitCheck` that validates that
the region is `CLOSED` or `OFFLINE`.
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