On 09/09/2016 02:32 AM, Guang Yang wrote: > Hello, > We are evaluating to use cgroups to isolate different applications on > Linux. One use case of our application is that it reads/writes to > multiple block devices and we would like throttle the IO for each > application to each devices via blkio.throttle.read_iops_device. > However, it looks like each group can only configure one device. > > Am I miss anything? Is there a way to support such semantic - limit > the number of reads to multiple devices within one group? > > Thanks very much. > -- > To unsubscribe from this list: send the line "unsubscribe cgroups" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > [root@kernighan c11]# cat blkio.throttle.read_bps_device [root@kernighan c11]# echo "253:12 1600000" > blkio.throttle.read_bps_device [root@kernighan c11]# echo "253:13 1600000" >> blkio.throttle.read_bps_device [root@kernighan c11]# cat blkio.throttle.read_bps_device 253:13 1600000 253:12 1600000 It works just fine (this is on 4.4 kernel though) Regards, Nikolay -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
