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Autotrim High Load Average Fix #15781

Merged
merged 1 commit into from
Jan 17, 2024
Merged

Autotrim High Load Average Fix #15781

merged 1 commit into from
Jan 17, 2024

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jxdking
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@jxdking jxdking commented Jan 16, 2024 •
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Switch from cv_wait() to cv_wait_idle() inside vdev_autotrim_wait_kick(), which should mitigate the high load average while waiting.

Motivation and Context

Attempt to fix the issue #15453

How Has This Been Tested?

Not tested. Need help from the community to test if this fixes the issue.

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Performance enhancement (non-breaking change which improves efficiency)
  • Code cleanup (non-breaking change which makes code smaller or more readable)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Library ABI change (libzfs, libzfs_core, libnvpair, libuutil and libzfsbootenv)
  • Documentation (a change to man pages or other documentation)

Checklist:

@jxdking jxdking mentioned this pull request Jan 16, 2024
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@amotin
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amotin commented Jan 16, 2024

Just I suppose it is not a high CPU usage, but high load average. The title is misleading.

@jxdking jxdking changed the title Autotrim High CPU Usage Fix Autotrim High Load Average Fix Jan 16, 2024
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jxdking commented Jan 16, 2024

Just I suppose it is not a high CPU usage, but high load average. The title is misleading.

Thank you.
I have updated the pull request. I will amend the commit message later.

@behlendorf behlendorf added the Status: Code Review Needed Ready for review and testing label Jan 16, 2024
bwatkinson
bwatkinson reviewed Jan 16, 2024
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Makes sense to me. You just need to fix some of the checkstyle issues with the commit message body length and the line 199 being over 80 characters.

@jxdking
Autotrim High Load Average Fix
6bdceb6 
Switch from cv_wait() to cv_wait_idle() in vdev_autotrim_wait_kick(),
which should mitigate the high load average while waiting.

Signed-off-by: jxdking <[email protected]>
@behlendorf behlendorf added Status: Accepted Ready to integrate (reviewed, tested) and removed Status: Code Review Needed Ready for review and testing labels Jan 16, 2024
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@jxdking It would be great to have this in 2.2.3

@behlendorf behlendorf merged commit 1494e8f into openzfs:master Jan 17, 2024
24 of 26 checks passed
mmatuska pushed a commit to mmatuska/zfs that referenced this pull request Jan 17, 2024
@jxdking @mmatuska
Autotrim High Load Average Fix
a0aa7a2 
Switch from cv_wait() to cv_wait_idle() in vdev_autotrim_wait_kick(),
which should mitigate the high load average while waiting.

Reviewed-by: Brian Atkinson <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Alexander Motin <[email protected]>
Signed-off-by: jxdking <[email protected]>
Closes openzfs#15781
@mmatuska mmatuska mentioned this pull request Jan 17, 2024
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behlendorf pushed a commit that referenced this pull request Jan 18, 2024
@jxdking @behlendorf
Autotrim High Load Average Fix
07cf973 
Switch from cv_wait() to cv_wait_idle() in vdev_autotrim_wait_kick(),
which should mitigate the high load average while waiting.

Reviewed-by: Brian Atkinson <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Alexander Motin <[email protected]>
Signed-off-by: jxdking <[email protected]>
Closes #15781
lundman pushed a commit to openzfsonwindows/openzfs that referenced this pull request Mar 13, 2024
@jxdking @lundman
Autotrim High Load Average Fix
d104cc2 
Switch from cv_wait() to cv_wait_idle() in vdev_autotrim_wait_kick(),
which should mitigate the high load average while waiting.

Reviewed-by: Brian Atkinson <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Alexander Motin <[email protected]>
Signed-off-by: jxdking <[email protected]>
Closes openzfs#15781
lundman pushed a commit to openzfsonwindows/openzfs that referenced this pull request Mar 13, 2024
@jxdking @lundman
Autotrim High Load Average Fix
8334284 
Switch from cv_wait() to cv_wait_idle() in vdev_autotrim_wait_kick(),
which should mitigate the high load average while waiting.

Reviewed-by: Brian Atkinson <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Alexander Motin <[email protected]>
Signed-off-by: jxdking <[email protected]>
Closes openzfs#15781
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@amotin amotin amotin approved these changes

@behlendorf behlendorf behlendorf approved these changes

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