request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH;
request.message.header.request.extlen= 4;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH;
request.message.header.request.extlen= 4;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;