YutSean commented on a change in pull request #3875:
URL: https://github.com/apache/hbase/pull/3875#discussion_r761738089
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File path:
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMaster.java
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@@ -188,5 +193,59 @@ public void testMoveThrowsPleaseHoldException() throws
IOException {
TEST_UTIL.deleteTable(tableName);
}
}
+
+ @Test (timeout = 300000)
+ public void testMoveRegionWhenMetaRegionInTransition()
+ throws IOException, InterruptedException, KeeperException {
+ TableName tableName =
TableName.valueOf("testMoveRegionWhenMetaRegionInTransition");
+ HMaster master = TEST_UTIL.getMiniHBaseCluster().getMaster();
+ HTableDescriptor htd = new HTableDescriptor(tableName);
+ HColumnDescriptor hcd = new HColumnDescriptor("value");
+ RegionStates regionStates =
master.getAssignmentManager().getRegionStates();
+ htd.addFamily(hcd);
+
+ admin.createTable(htd, null);
+ try {
+ HRegionInfo hri = admin.getTableRegions(tableName).get(0);
+
+ HRegionInfo metaRegion =
admin.getTableRegions(TableName.META_TABLE_NAME).get(0);
+
+ ServerName rs0 =
TEST_UTIL.getHBaseCluster().getRegionServer(0).getServerName();
+ ServerName rs1 =
TEST_UTIL.getHBaseCluster().getRegionServer(1).getServerName();
+
+ admin.move(hri.getEncodedNameAsBytes(), rs0.getServerName().getBytes());
+ while (regionStates.isRegionInTransition(hri)) {
+ // Make sure the region is not in transition
+ Thread.sleep(1000);
+ }
+ // Meta region should be in transition
+ master.assignmentManager.unassign(metaRegion);
+ // Then move the region to a new region server.
+ try{
+ master.move(hri.getEncodedNameAsBytes(),
rs1.getServerName().getBytes());
Review comment:
OK. Let me add this.
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