public virtual void TestRetryCacheRebuild()
{
DFSTestUtil.RunOperations(cluster, filesystem, conf, BlockSize, 0);
FSNamesystem namesystem = cluster.GetNamesystem();
LightWeightCache <RetryCache.CacheEntry, RetryCache.CacheEntry> cacheSet = (LightWeightCache
<RetryCache.CacheEntry, RetryCache.CacheEntry>)namesystem.GetRetryCache().GetCacheSet
();
NUnit.Framework.Assert.AreEqual(25, cacheSet.Size());
IDictionary <RetryCache.CacheEntry, RetryCache.CacheEntry> oldEntries = new Dictionary
<RetryCache.CacheEntry, RetryCache.CacheEntry>();
IEnumerator <RetryCache.CacheEntry> iter = cacheSet.GetEnumerator();
while (iter.HasNext())
{
RetryCache.CacheEntry entry = iter.Next();
oldEntries[entry] = entry;
}
// restart NameNode
cluster.RestartNameNode();
cluster.WaitActive();
namesystem = cluster.GetNamesystem();
// check retry cache
NUnit.Framework.Assert.IsTrue(namesystem.HasRetryCache());
cacheSet = (LightWeightCache <RetryCache.CacheEntry, RetryCache.CacheEntry>)namesystem
.GetRetryCache().GetCacheSet();
NUnit.Framework.Assert.AreEqual(25, cacheSet.Size());
iter = cacheSet.GetEnumerator();
while (iter.HasNext())
{
RetryCache.CacheEntry entry = iter.Next();
NUnit.Framework.Assert.IsTrue(oldEntries.Contains(entry));
}
}
/// <summary>Constructor.</summary>
/// <param name="cacheSize">The size of the access privilege cache.</param>
/// <param name="expirationPeriodNano">The period</param>
/// <param name="matchingHosts">A string specifying one or multiple matchers.</param>
internal NfsExports(int cacheSize, long expirationPeriodNano, string matchHosts)
{
this.cacheExpirationPeriod = expirationPeriodNano;
accessCache = new LightWeightCache <NfsExports.AccessCacheEntry, NfsExports.AccessCacheEntry
>(cacheSize, cacheSize, expirationPeriodNano, 0);
string[] matchStrings = matchHosts.Split(CommonConfigurationKeys.NfsExportsAllowedHostsSeparator
);
mMatches = new AList <NfsExports.Match>(matchStrings.Length);
foreach (string mStr in matchStrings)
{
if (Log.IsDebugEnabled())
{
Log.Debug("Processing match string '" + mStr + "'");
}
mStr = mStr.Trim();
if (!mStr.IsEmpty())
{
mMatches.AddItem(GetMatch(mStr));
}
}
}
