RocksDBStateDataTransfer(int threadNum) { if (threadNum > 1) { executorService = Executors.newFixedThreadPool(threadNum); } else { executorService = newDirectExecutorService(); } }
Whitebox.setInternalState(streamTask, "operatorChain", operatorChain); Whitebox.setInternalState(streamTask, "cancelables", new CloseableRegistry()); Whitebox.setInternalState(streamTask, "asyncOperationsThreadPool", newDirectExecutorService()); Whitebox.setInternalState(streamTask, "configuration", new StreamConfig(new Configuration())); Whitebox.setInternalState(streamTask, "checkpointStorage", new MemoryBackendCheckpointStorage(new JobID(), null, null, Integer.MAX_VALUE));