[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

Should I provide any additional information? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870461 Title: zsysd uses more than half of CPU and disk IO To manage notifications about this bug go to:

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

Hey :), Maybe I wasn't clear: the CPU working at 100 percent while GC and zsysd running. Then, after a minute both of them are stopped and the CPU functioning normally (at 1 to 5 percent) since them stopped -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

Then, We are good to go :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870461 Title: zsysd uses more than half of CPU and disk IO To manage notifications about this bug go to:

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

Is there any possibility for data loss? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870461 Title: zsysd uses more than half of CPU and disk IO To manage notifications about this bug go to:

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

I ran these commands as you explained so yes CPU is going crazy while gc is running. I'm attaching the logs file to the comment and going to revert to good state as you explained in this link https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1867007/comments/6 After that I will tell here

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

I didn't see the logs file, re attaching it ** Attachment added: "logs" https://bugs.launchpad.net/ubuntu/+source/zsys/+bug/1870461/+attachment/5345493/+files/logs.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

Thanks for reply Didier! 1. I ran the sudo zsysd -vv and zfs list -t all, there are too many logs I attached them in logs.tar.gz file. After all commands there is no cpu load 2. zsysctl service gc command's result is: ERROR couldn't connect to zsys daemon: connection error: desc = "transport:

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

** Description changed: I was installed Ubuntu 20.04 with zfs yesterday, it was OK until a few updates, after that the zsysd was started draining CPU and disk IO. How can I fix it to back to normal? Is it possible to rollback recent system state? If Yes, just how? NOTE: I was stopped

[Bug 1870461] Re: zsysd uses more than half of CPU and disk IO

** Description changed: I was installed Ubuntu 20.04 with zfs yesterday, it was OK until a few - updates, after that the zsysd was started draining CPU and IO. How can I - fix it to back to normal? Is it possible to rollback recent system + updates, after that the zsysd was started draining CPU

[Bug 1870461] [NEW] zsysd uses more than half of CPU and disk IO

Public bug reported: I was installed Ubuntu 20.04 with zfs yesterday, it was OK until a few updates, after that the zsysd was started draining CPU and IO. How can I fix it to back to normal? Is it possible to rollback recent system state? If Yes, just how? NOTE: I was stopped and disabled zsysd