private bool ExecuteTasks()
{
bool foundWork = false;
transactionalStorage.Batch(actions =>
{
Task task = GetApplicableTask(actions);
if (task == null)
{
return;
}
context.UpdateFoundWork();
Log.Debug("Executing {0}", task);
foundWork = true;
context.CancellationToken.ThrowIfCancellationRequested();
try
{
task.Execute(context);
}
catch (Exception e)
{
Log.WarnException(
string.Format("Task {0} has failed and was deleted without completing any work", task),
e);
}
});
return(foundWork);
}
protected bool ExecuteIndexing(bool isIdle, out bool onlyFoundIdleWork)
{
var indexesToWorkOn = new List <IndexToWorkOn>();
var localFoundOnlyIdleWork = new Reference <bool> {
Value = true
};
transactionalStorage.Batch(actions =>
{
foreach (var indexesStat in actions.Indexing.GetIndexesStats().Where(IsValidIndex))
{
var failureRate = actions.Indexing.GetFailureRate(indexesStat.Id);
if (failureRate.IsInvalidIndex)
{
if (Log.IsDebugEnabled)
{
Log.Debug("Skipped indexing documents for index: {0} because failure rate is too high: {1}",
indexesStat.Id,
failureRate.FailureRate);
}
continue;
}
if (IsIndexStale(indexesStat, actions, isIdle, localFoundOnlyIdleWork) == false)
{
continue;
}
var index = context.IndexStorage.GetIndexInstance(indexesStat.Id);
if (index == null) // not there
{
continue;
}
if (ShouldSkipIndex(index))
{
continue;
}
if (context.IndexDefinitionStorage.GetViewGenerator(indexesStat.Id) == null)
{
continue; // an index that is in the process of being added, ignoring it, we'll check again on the next run
}
var indexToWorkOn = GetIndexToWorkOn(indexesStat);
indexToWorkOn.Index = index;
indexesToWorkOn.Add(indexToWorkOn);
}
});
UpdateStalenessMetrics(indexesToWorkOn.Count);
onlyFoundIdleWork = localFoundOnlyIdleWork.Value;
if (indexesToWorkOn.Count == 0)
{
return(false);
}
context.UpdateFoundWork();
context.CancellationToken.ThrowIfCancellationRequested();
using (context.IndexDefinitionStorage.CurrentlyIndexing())
{
ExecuteIndexingWork(indexesToWorkOn);
}
indexReplacer.ReplaceIndexes(indexesToWorkOn.Select(x => x.IndexId).ToList());
return(true);
}
