private static bool CollectGarbageInternal(bool compactLoh, Action afterCollect, bool forceByUser, int maxGeneration, GCCollectionMode gcCollectionMode, bool waitForPendingFinalizers)
{
if (!ShouldCollectNow() && !forceByUser)
{
return(false);
}
ReleaseMemoryBeforeGC();
memoryBeforeLastForcedGC = GC.GetTotalMemory(false);
if (compactLoh)
{
SetCompactLog.Value();
}
GC.Collect(maxGeneration, gcCollectionMode);
if (afterCollect != null)
{
afterCollect();
}
if (waitForPendingFinalizers)
{
GC.WaitForPendingFinalizers();
}
memoryAfterLastForcedGC = GC.GetTotalMemory(false);
memoryDifferenceLastGc = DifferenceAsDecimalPercents(MemoryBeforeLastForcedGC, MemoryAfterLastForcedGC);
log.Info("Finished GC, before was {0:#,#}kb, after is {1:#,#}kb", MemoryBeforeLastForcedGC, MemoryAfterLastForcedGC);
// -> reset last time, increase delay threshold and disallow GC (too early!)
lastForcedGCTime = SystemTime.UtcNow;
var old = delayBetweenGCInMinutes;
if (memoryDifferenceLastGc < 0.1)
{
delayBetweenGCInMinutes = Math.Max(5 + delayBetweenGCInMinutes, MaxDelayBetweenGCInMinutes);
if (old != delayBetweenGCInMinutes)
{
log.Debug("Increasing delay for forced GC (not enough memory released, so we need to back off). " +
"New interval between GCs will be {0} minutes", delayBetweenGCInMinutes);
}
}
else
{
if (old != delayBetweenGCInMinutes)
{
log.Debug("Resetting delay for forced GC (enough memory was released to make it useful, so we don't need to back off). " +
"New interval between GCs will be {0} minutes", delayBetweenGCInMinutes);
}
delayBetweenGCInMinutes = DefaultDelayBetweenGCInMinutes;
}
return(true);
}
public static void CollectGarbage(bool compactLoh, Action afterCollect)
{
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
if (compactLoh)
{
SetCompactLog.Value();
}
if (afterCollect != null)
{
afterCollect();
}
GC.WaitForPendingFinalizers();
}
