public void Sweep()
{
Logger.Debug("Beginning sweep.");
try {
// Only allow this task to run on one farm node at a time.
IDistributedLock @lock;
if (_distributedLockService.TryAcquireLock(GetType().FullName, TimeSpan.FromHours(1), out @lock))
{
using (@lock) {
// We don't need to check the audit trail for events to remove every minute. Let's stick with twice a day.
if (!GetIsTimeToTrim())
{
return;
}
Logger.Debug("Starting audit trail trimming.");
var deletedRecords = _auditTrailManager.Trim(TimeSpan.FromDays(Settings.RetentionPeriod));
Logger.Debug("Audit trail trimming completed. {0} records were deleted.", deletedRecords.Count());
Settings.LastRunUtc = _clock.UtcNow;
}
}
else
{
Logger.Debug("Distributed lock could not be acquired; going back to sleep.");
}
}
catch (Exception ex) {
Logger.Error(ex, "Error during sweep.");
}
finally {
Logger.Debug("Ending sweep.");
}
}
public void Sweep()
{
if (Monitor.TryEnter(_sweepLock))
{
try {
Logger.Debug("Beginning sweep.");
// Only allow this task to run on one farm node at a time.
if (_taskLeaseService.Acquire(GetType().FullName, _clock.UtcNow.AddHours(1)) != null)
{
// We don't need to check the audit trail for events to remove every minute. Let's stick with twice a day.
if (!GetIsTimeToTrim())
{
return;
}
Logger.Debug("Starting audit trail trimming.");
var deletedRecords = _auditTrailManager.Trim(TimeSpan.FromDays(Settings.RetentionPeriod));
Logger.Debug("Audit trail trimming completed. {0} records were deleted.", deletedRecords.Count());
Settings.LastRunUtc = _clock.UtcNow;
}
}
catch (Exception ex) {
Logger.Error(ex, "Error during sweep.");
}
finally {
Monitor.Exit(_sweepLock);
Logger.Debug("Ending sweep.");
}
}
}