public virtual void TestBootstrapStandbyWithActiveNN()
{
// make nn0 active
cluster.TransitionToActive(0);
// do ops and generate in-progress edit log data
Configuration confNN1 = cluster.GetConfiguration(1);
DistributedFileSystem dfs = (DistributedFileSystem)HATestUtil.ConfigureFailoverFs
(cluster, confNN1);
for (int i = 1; i <= 10; i++)
{
dfs.Mkdirs(new Path("/test" + i));
}
dfs.Close();
// shutdown nn1 and delete its edit log files
cluster.ShutdownNameNode(1);
DeleteEditLogIfExists(confNN1);
cluster.GetNameNodeRpc(0).SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter,
true);
cluster.GetNameNodeRpc(0).SaveNamespace();
cluster.GetNameNodeRpc(0).SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave,
true);
// check without -skipSharedEditsCheck, Bootstrap should fail for BKJM
// immediately after saveNamespace
int rc = BootstrapStandby.Run(new string[] { "-force", "-nonInteractive" }, confNN1
);
NUnit.Framework.Assert.AreEqual("Mismatches return code", 6, rc);
// check with -skipSharedEditsCheck
rc = BootstrapStandby.Run(new string[] { "-force", "-nonInteractive", "-skipSharedEditsCheck" }, confNN1);
NUnit.Framework.Assert.AreEqual("Mismatches return code", 0, rc);
// Checkpoint as fast as we can, in a tight loop.
confNN1.SetInt(DFSConfigKeys.DfsNamenodeCheckpointPeriodKey, 1);
cluster.RestartNameNode(1);
cluster.TransitionToStandby(1);
NameNode nn0 = cluster.GetNameNode(0);
HATestUtil.WaitForStandbyToCatchUp(nn0, cluster.GetNameNode(1));
long expectedCheckpointTxId = NameNodeAdapter.GetNamesystem(nn0).GetFSImage().GetMostRecentCheckpointTxId
();
HATestUtil.WaitForCheckpoint(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
// Should have copied over the namespace
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
FSImageTestUtil.AssertNNFilesMatch(cluster);
}