Hey, I'm having trouble getting blkio.throttle.write_bps_device to work correctly on a EC2 host running Ubuntu 11.04 w/2.6.38-8-virtual. I've tested and tested but haven't been able to throttle IO writing. Hopefully its something I have misconfigured :). Any help would be greatly appreciated. Here we go...
---------------------------------- root@localhost$ dpkg -l | grep cgroup ii cgroup-bin 0.37.1-1ubuntu2 Tools to control and monitor control groups ii libcgroup-dev 0.37.1-1ubuntu2 Development libraries to develop applications that utilize control groups ii libcgroup1 0.37.1-1ubuntu2 Library to control and monitor control groups root@localhost$ pwd /cgroup/i0 root@localhost$ ls blkio.io_merged blkio.throttle.read_iops_device cpuacct.usage_percpu memory.memsw.usage_in_bytes blkio.io_queued blkio.throttle.write_bps_device cpu.rt_period_us memory.move_charge_at_immigrate blkio.io_service_bytes blkio.throttle.write_iops_device cpu.rt_runtime_us memory.oom_control blkio.io_serviced blkio.time cpu.shares memory.soft_limit_in_bytes blkio.io_service_time blkio.weight memory.failcnt memory.stat blkio.io_wait_time blkio.weight_device memory.force_empty memory.swappiness blkio.reset_stats cgroup.clone_children memory.limit_in_bytes memory.usage_in_bytes blkio.sectors cgroup.event_control memory.max_usage_in_bytes memory.use_hierarchy blkio.throttle.io_service_bytes cgroup.procs memory.memsw.failcnt notify_on_release blkio.throttle.io_serviced cpuacct.stat memory.memsw.limit_in_bytes tasks blkio.throttle.read_bps_device cpuacct.usage memory.memsw.max_usage_in_bytes root@localhost$ cat blkio.throttle.write_bps_device 202:240 524288 root@localhost$ ll /dev | grep '202, 240' brw-rw---- 1 root disk 202, 240 2011-08-04 20:29 xvdp root@localhost$ df | grep xvdp /dev/xvdp 220093440 47379256 172714184 22% /mnt root@localhost$ cat tasks 31646 root@localhost$ lsof +p31646 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME dd 31646 user cwd DIR 202,1 4096 2 / dd 31646 user rtd DIR 202,1 4096 2 / dd 31646 user txt REG 202,1 51840 393438 /bin/dd dd 31646 user mem REG 202,1 140254 396432 /lib/x86_64-linux-gnu/libpthread-2.13.so dd 31646 user mem REG 202,1 1638120 396398 /lib/x86_64-linux-gnu/libc-2.13.so dd 31646 user mem REG 202,1 31752 396434 /lib/x86_64-linux-gnu/librt-2.13.so dd 31646 user mem REG 202,1 141088 396391 /lib/x86_64-linux-gnu/ld-2.13.so dd 31646 user mem REG 202,1 1534640 1362 /usr/lib/locale/locale-archive dd 31646 user 0r REG 202,1 4096000000 16307 /tmp/fourgig dd 31646 user 1w REG 202,240 3220992000 186 /mnt/fourgig dd 31646 user 2u CHR 136,0 0t0 3 /dev/pts/0 ------ process 31646 ------ user@localhost$ dd if=/tmp/fourgigfile of=/mnt/fourgigfile bs=4k count=1000000 1000000+0 records in 1000000+0 records out 4096000000 bytes (4.1 GB) copied, 58.6709 s, 69.8 MB/s ---------------------------------- Thanks, -=Dusty ------------------------------------------------------------------------------ BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA The must-attend event for mobile developers. Connect with experts. Get tools for creating Super Apps. See the latest technologies. Sessions, hands-on labs, demos & much more. Register early & save! http://p.sf.net/sfu/rim-blackberry-1 _______________________________________________ Libcg-devel mailing list Libcg-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libcg-devel
