public virtual void Setup()
{
// start 1 journal node
jCluster = new MiniJournalCluster.Builder(new Configuration()).Format(true).NumJournalNodes
(NumJn).Build();
jn = jCluster.GetJournalNode(0);
}
public virtual void TestJournalNodeMXBean()
{
// we have not formatted the journals yet, and the journal status in jmx
// should be empty since journal objects are created lazily
MBeanServer mbs = ManagementFactory.GetPlatformMBeanServer();
ObjectName mxbeanName = new ObjectName("Hadoop:service=JournalNode,name=JournalNodeInfo"
);
// getJournalsStatus
string journalStatus = (string)mbs.GetAttribute(mxbeanName, "JournalsStatus");
NUnit.Framework.Assert.AreEqual(jn.GetJournalsStatus(), journalStatus);
NUnit.Framework.Assert.IsFalse(journalStatus.Contains(Nameservice));
// format the journal ns1
NamespaceInfo FakeNsinfo = new NamespaceInfo(12345, "mycluster", "my-bp", 0L);
jn.GetOrCreateJournal(Nameservice).Format(FakeNsinfo);
// check again after format
// getJournalsStatus
journalStatus = (string)mbs.GetAttribute(mxbeanName, "JournalsStatus");
NUnit.Framework.Assert.AreEqual(jn.GetJournalsStatus(), journalStatus);
IDictionary <string, IDictionary <string, string> > jMap = new Dictionary <string, IDictionary
<string, string> >();
IDictionary <string, string> infoMap = new Dictionary <string, string>();
infoMap["Formatted"] = "true";
jMap[Nameservice] = infoMap;
NUnit.Framework.Assert.AreEqual(JSON.ToString(jMap), journalStatus);
// restart journal node without formatting
jCluster = new MiniJournalCluster.Builder(new Configuration()).Format(false).NumJournalNodes
(NumJn).Build();
jn = jCluster.GetJournalNode(0);
// re-check
journalStatus = (string)mbs.GetAttribute(mxbeanName, "JournalsStatus");
NUnit.Framework.Assert.AreEqual(jn.GetJournalsStatus(), journalStatus);
jMap = new Dictionary <string, IDictionary <string, string> >();
infoMap = new Dictionary <string, string>();
infoMap["Formatted"] = "true";
jMap[Nameservice] = infoMap;
NUnit.Framework.Assert.AreEqual(JSON.ToString(jMap), journalStatus);
}
public virtual void TestOneJNMissingSegments()
{
QJMTestUtil.WriteSegment(cluster, qjm, 1, 3, true);
WaitForAllPendingCalls(qjm.GetLoggerSetForTests());
cluster.GetJournalNode(0).StopAndJoin(0);
QJMTestUtil.WriteSegment(cluster, qjm, 4, 3, true);
WaitForAllPendingCalls(qjm.GetLoggerSetForTests());
cluster.RestartJournalNode(0);
QJMTestUtil.WriteSegment(cluster, qjm, 7, 3, true);
WaitForAllPendingCalls(qjm.GetLoggerSetForTests());
cluster.GetJournalNode(1).StopAndJoin(0);
QuorumJournalManager readerQjm = CreateSpyingQJM();
IList <EditLogInputStream> streams = Lists.NewArrayList();
try
{
readerQjm.SelectInputStreams(streams, 1, false);
QJMTestUtil.VerifyEdits(streams, 1, 9);
}
finally
{
IOUtils.Cleanup(Log, Sharpen.Collections.ToArray(streams, new IDisposable[0]));
readerQjm.Close();
}
}