restrict write and flush only in executors
restrict write and flush only in executors

zzl0/dpark,fe11x/dpark,veritynoob/dpark,oceanjack/dpark,veritynoob/dpark,windreamer/dpark,dogeyes/dpark,Mignet/dpark,dogeyes/dpark,304471720/dpark,daishaowei/dpark,304471720/dpark,douban/dpark,quxiaolong1504/dpark,mageia/dpark,junmoa/dpark,douban/dpark,dogeyes/dpark,windreamer/dpark,veritynoob/dpark,douban/dpark,smarthomekit/dpark,smarthomekit/dpark,zzl0/dpark,yhj630520/dpark,douban/dpark,windreamer/dpark,yhj630520/dpark,daishaowei/dpark,fe11x/dpark,Mignet/dpark,yanheven/dpark,yhj630520/dpark,smarthomekit/dpark,304471720/dpark,quxiaolong1504/dpark,junmoa/dpark,douban/dpark,oceanjack/dpark,mageia/dpark,windreamer/dpark,yanheven/dpark