mapReduce sharded output replace does not fully split

                    // do the splitting round

                    ChunkManagerPtr cm = confOut->getChunkManagerIfExists( finalColLong );

                    for ( map<BSONObj, int>::iterator it = chunkSizes.begin() ; it != chunkSizes.end() ; ++it ) {

                        BSONObj key = it->first;

                        int size = it->second;

                        verify( size < 0x7fffffff );

                        // key reported should be the chunk's minimum

                        ChunkPtr c =  cm->findIntersectingChunk(key);

                        if ( !c ) {

                            warning() << "Mongod reported " << size << " bytes inserted for key " << key << " but can't find chunk" << endl;

                        } else {

                            c->splitIfShould( size );

                        }

                    }