this.scanPermitWrapper = new ScanPermitWrapper(voldemortConfig.getNumScanPermits());
this.storageConfigs = new ConcurrentHashMap<String, StorageConfiguration>();
this.clientThreadPool = new ClientThreadPool(config.getClientMaxThreads(),
config.getClientThreadIdleMs(),
config.getClientMaxQueuedRequests());
this.storeFactory = new ClientRequestExecutorPool(config.getClientSelectors(),
config.getClientMaxConnectionsPerNode(),
config.getClientConnectionTimeoutMs(),
config.getSocketTimeoutMs(),
config.getSocketBufferSize(),
config.getSocketKeepAlive());