/// <exception cref="System.Exception"/>
protected internal virtual void VerifyDestroy(DelegationTokenManager tm, Configuration
conf)
{
AbstractDelegationTokenSecretManager sm = tm.GetDelegationTokenSecretManager();
ZKDelegationTokenSecretManager zksm = (ZKDelegationTokenSecretManager)sm;
ExecutorService es = zksm.GetListenerThreadPool();
tm.Destroy();
Assert.True(es.IsShutdown());
// wait for the pool to terminate
long timeout = conf.GetLong(ZKDelegationTokenSecretManager.ZkDtsmZkShutdownTimeout
, ZKDelegationTokenSecretManager.ZkDtsmZkShutdownTimeoutDefault);
Thread.Sleep(timeout * 3);
Assert.True(es.IsTerminated());
}
private void StopAggregators()
{
threadPool.Shutdown();
// if recovery on restart is supported then leave outstanding aggregations
// to the next restart
bool shouldAbort = context.GetNMStateStore().CanRecover() && !context.GetDecommissioned
();
// politely ask to finish
foreach (AppLogAggregator aggregator in appLogAggregators.Values)
{
if (shouldAbort)
{
aggregator.AbortLogAggregation();
}
else
{
aggregator.FinishLogAggregation();
}
}
while (!threadPool.IsTerminated())
{
// wait for all threads to finish
foreach (ApplicationId appId in appLogAggregators.Keys)
{
Log.Info("Waiting for aggregation to complete for " + appId);
}
try
{
if (!threadPool.AwaitTermination(30, TimeUnit.Seconds))
{
threadPool.ShutdownNow();
}
}
catch (Exception)
{
// send interrupt to hurry them along
Log.Warn("Aggregation stop interrupted!");
break;
}
}
foreach (ApplicationId appId_1 in appLogAggregators.Keys)
{
Log.Warn("Some logs may not have been aggregated for " + appId_1);
}
}
