private BufferManager createCustomBufferMgr(int batchSize) throws TeiidComponentException {
BufferManagerImpl bufferMgr = new BufferManagerImpl();
bufferMgr.setConnectorBatchSize(batchSize);
bufferMgr.setProcessorBatchSize(batchSize);
bufferMgr.initialize();
// Add unmanaged memory storage manager
bufferMgr.setStorageManager(new MemoryStorageManager());
return bufferMgr;