virajjasani commented on a change in pull request #1523: HBASE-24195 :
Admin.getRegionServers() should return live servers exc…
URL: https://github.com/apache/hbase/pull/1523#discussion_r409589117
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File path:
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAdmin2.java
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@@ -864,4 +865,44 @@ public void testSlowLogResponses() throws Exception {
Assert.assertEquals(onlineLogRecords.size(), 0);
}
+ @Test
+ public void testGetRegionServers() throws Exception {
+ // get all live server names
+ List<ServerName> serverNames = new
ArrayList<>(ADMIN.getRegionServers(true));
+ Assert.assertEquals(3, serverNames.size());
+
+ List<ServerName> serversToDecom = new ArrayList<>();
+ ServerName serverToDecommission = serverNames.get(0);
+
+ serversToDecom.add(serverToDecommission);
+ ADMIN.decommissionRegionServers(serversToDecom, false);
+ waitForServerCommissioned(serverToDecommission, true);
+
+ Assert.assertEquals(2, ADMIN.getRegionServers(true).size());
+ Assert.assertEquals(3, ADMIN.getRegionServers(false).size());
+
+ ADMIN.recommissionRegionServer(serverToDecommission,
Collections.emptyList());
+ waitForServerCommissioned(null, false);
+
+ Assert.assertEquals(3, ADMIN.getRegionServers(true).size());
+ Assert.assertEquals(3, ADMIN.getRegionServers(false).size());
+ }
+
+ private static void waitForServerCommissioned(ServerName excludeServer,
+ boolean anyServerDecommissioned) {
+ TEST_UTIL.waitFor(3000, () -> {
Review comment:
I have used the same before also for decommission test.
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