public virtual void SetupCluster()
{
// must configure prior to instantiating the namesystem because it
// will reconfigure the logger if async is enabled
ConfigureAuditLogs();
conf = new HdfsConfiguration();
long precision = 1L;
conf.SetLong(DFSConfigKeys.DfsNamenodeAccesstimePrecisionKey, precision);
conf.SetLong(DFSConfigKeys.DfsBlockreportIntervalMsecKey, 10000L);
conf.SetBoolean(DFSConfigKeys.DfsWebhdfsEnabledKey, true);
conf.SetBoolean(DFSConfigKeys.DfsNamenodeAuditLogAsyncKey, useAsyncLog);
util = new DFSTestUtil.Builder().SetName("TestAuditAllowed").SetNumFiles(20).Build
();
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(4).Build();
fs = cluster.GetFileSystem();
util.CreateFiles(fs, fileName);
// make sure the appender is what it's supposed to be
Logger logger = ((Log4JLogger)FSNamesystem.auditLog).GetLogger();
IList <Appender> appenders = Sharpen.Collections.List(logger.GetAllAppenders());
NUnit.Framework.Assert.AreEqual(1, appenders.Count);
NUnit.Framework.Assert.AreEqual(useAsyncLog, appenders[0] is AsyncAppender);
fnames = util.GetFileNames(fileName);
util.WaitReplication(fs, fileName, (short)3);
userGroupInfo = UserGroupInformation.CreateUserForTesting(username, groups);
}