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Bad performance on default CentOS/RHEL 7.0 kernel #885

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avikivity opened this Issue Feb 8, 2016 · 4 comments

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avikivity commented Feb 8, 2016

Good xfs append support was introduces in 3.10.0-257.el7:

  • Thu May 28 2015 Rafael Aquini aquini@redhat.com [3.10.0-257.el7]
  • [fs] xfs: allow appending aio writes (Eric Sandeen) [1053615]

We need to ensure, that if running on RHEL or CentOS, the kernel is at least that version.

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avikivity Feb 8, 2016

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OS Variant Kernel Good?
7.0 Release 3.10.0-123.el7.x86_64 No
Updates 3.10.0-123.1.2.el7 No
7.1 Release 3.10.0-229.el7 No
Updates 3.10.0-229.20.1.el7 No
7.2 Release 3.10.0-327.el7 Yes
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avikivity commented Feb 8, 2016

OS Variant Kernel Good?
7.0 Release 3.10.0-123.el7.x86_64 No
Updates 3.10.0-123.1.2.el7 No
7.1 Release 3.10.0-229.el7 No
Updates 3.10.0-229.20.1.el7 No
7.2 Release 3.10.0-327.el7 Yes
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Conclusion, 7.2 is the minimum supported version.

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avikivity commented Feb 8, 2016

Conclusion, 7.2 is the minimum supported version.

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tzach Feb 8, 2016

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@avikivity whats the status of Ubuntu 14.04 with XFS?

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tzach commented Feb 8, 2016

@avikivity whats the status of Ubuntu 14.04 with XFS?

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Not yet known. I see that 14.04 ships about 2,665 kernel, hopefully at least one will have good support.

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avikivity commented Feb 8, 2016

Not yet known. I see that 14.04 ships about 2,665 kernel, hopefully at least one will have good support.

@slivne slivne closed this Feb 11, 2016

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