we might have around 50 multipath mappers per node and underline device is FC based disk. But disks added/removed should not be frequent. What machine are you using? For me, some nodes are intel 2650, not sure if it is relevant.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-meta in Ubuntu. https://bugs.launchpad.net/bugs/2021571 Title: cat /sys/fs/cgroup/blkio/blkio.time_recursive took 1second to complete Status in linux-meta package in Ubuntu: Confirmed Bug description: Issue: ```console # time cat /sys/fs/cgroup/blkio/blkio.time_recursive 8:16 354721435 real 0m1.297s user 0m0.000s sys 0m1.297s ``` As could be seen from above result, cat blkio took about 1 second to complete which is much longer than a normal case. Kernel Version: Linux compute08 4.15.0-72-generic #81-Ubuntu SMP Tue Nov 26 12:20:02 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Would be appreciated to know any operations to identify the issue, Thank you very much for the help. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/2021571/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
