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James Peach commented on MESOS-9848: ------------------------------------ /cc [~jieyu] [~gilbert] [~qianzhang] > Blkio cgroup statistics files missing in Linux 5.1 > -------------------------------------------------- > > Key: MESOS-9848 > URL: https://issues.apache.org/jira/browse/MESOS-9848 > Project: Mesos > Issue Type: Improvement > Components: containerization > Reporter: James Peach > Priority: Major > > In recent Fedora release, the Linux blkio cgroup no longer publishes certain > stats files that the Mesos isolator expects should exist. > In {{BlkioSubsystemProcess::usage}}, the isolator looks for > * {{blkio.time}} > * {{blkio.sectors}} > * {{blkio.io_merged}} > * {{blkio.io_queued}} > Here's the actual cgroup: > {noformat} > $ uname -r > 5.1.8-300.fc30.x86_64 > ... > [root@jpeach 184cf411-e73f-4c6e-bd54-8181222801af]# pwd > /sys/fs/cgroup/blkio/mesos_test_c83596ce-76ff-47c8-b23d-1276c16e93ae/184cf411-e73f-4c6e-bd54-8181222801af > [root@jpeach 184cf411-e73f-4c6e-bd54-8181222801af]# ls -l > total 0 > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.bfq.io_service_bytes > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.bfq.io_service_bytes_recursive > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.bfq.io_serviced > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.bfq.io_serviced_recursive > -rw-r--r-- 1 root root 0 Jun 16 18:07 blkio.bfq.weight > --w------- 1 root root 0 Jun 16 18:07 blkio.reset_stats > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.io_service_bytes > -r--r--r-- 1 root root 0 Jun 16 18:07 > blkio.throttle.io_service_bytes_recursive > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.io_serviced > -r--r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.io_serviced_recursive > -rw-r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.read_bps_device > -rw-r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.read_iops_device > -rw-r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.write_bps_device > -rw-r--r-- 1 root root 0 Jun 16 18:07 blkio.throttle.write_iops_device > -rw-r--r-- 1 root root 0 Jun 16 18:07 cgroup.clone_children > -rw-r--r-- 1 root root 0 Jun 16 18:06 cgroup.procs > -rw-r--r-- 1 root root 0 Jun 16 18:07 notify_on_release > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)