Raven.Database.Indexing.BaseBatchSizeAutoTuner.OutOfMemoryExceptionHappened C# (CSharp) Method

		public void OutOfMemoryExceptionHappened()
		{
			// first thing to do, reset the number of items per batch
			NumberOfItemsToIndexInSingleBatch = InitialNumberOfItems;

			// now, we need to be more conservative about how we are increasing memory usage, so instead of increasing
			// every time we hit the limit twice, we will increase every time we hit it three times, then 5, 9, etc

			LastAmountOfItemsToRemember *= 2;
		}

        private void HandleOutOfMemoryException(OutOfMemoryException oome)
        {
            log.WarnException(
                @"Failed to execute indexing because of an out of memory exception. Will force a full GC cycle and then become more conservative with regards to memory",
                oome);

            // On the face of it, this is stupid, because OOME will not be thrown if the GC could release
            // memory, but we are actually aware that during indexing, the GC couldn't find garbage to clean,
            // but in here, we are AFTER the index was done, so there is likely to be a lot of garbage.
            GC.Collect(GC.MaxGeneration);
            autoTuner.OutOfMemoryExceptionHappened();
        }