ceph-volume lvm list is O(n^2)

[Dariusz Gadomski]

[Impact]
ceph-volume lvm calls take too much time and the time grows exponentially.
A simple call may take several minutes depending on the LV configuration.

[Test Case]
1. Create a setup with a large number of disks and logical volumes (e.g. 24)
2. Call ceph-volume lvm list for one of the disks.
3. Wait for the call to finish.

[Regression Potential]
Patch introduces LV caching, so changing LVs while ceph-volume is running may lead to race conditions.

[Other Info]
Original bug description:

 * Anything else you think is useful to include
 * Anticipate questions from users, SRU, +1 maintenance, security teams and the Technical Board
 * and address these questions in advance

ceph-volume lvm list calls take very long time due to the fact it has been implemented with O(n^2). This leads to unproportionally long execution time taking under consideration the fact that no complex computation is needed.

Steps to reproduce:
1. Create a setup with a large number of disks and logical volumes (e.g. 24)
2. Call ceph-volume lvm list for one of the disks.
3. Wait for the call to finish.

Expected result:
Call is executed within seconds at most.

Actual result:
Call may take even minutes in some circumstances (large number of disks, some OSDs stopped).

[Dariusz Gadomski (dgadomski)]

SRU proposal for focal

[Dariusz Gadomski (dgadomski)]

SRU proposal for eoan.

[Dariusz Gadomski (dgadomski)]

SRU proposal for bionic.

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "focal_ceph_14.2.4-0ubuntu2.debdiff" seems to be a debdiff. The ubuntu-sponsors team has been subscribed to the bug report so that they can review and hopefully sponsor the debdiff. If the attachment isn't a patch, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issue please contact him.]

[James Page (james-page)]

disco is still supported so we'll need to apply the same fixes for that ubuntu series.

[James Page (james-page)]

@dgadomski - your patches suffer from the fact that there are a load of symlinks in the ceph source tree that mean the same change shows up in three places.

I've resolved this for the focal upload.

[Launchpad Janitor (janitor)]

This bug was fixed in the package ceph - 14.2.4-0ubuntu2

---------------
ceph (14.2.4-0ubuntu2) focal; urgency=medium

  [ Dariusz Gadomski ]
  * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries in
    ceph-volume, resolving performance issues in systems under heavy load
    or with large numbers of disks (LP: #1850754).

  [ James Page ]
  * d/p/issue40114.patch: Cherry pick endian fixes to resolve issues
    using Ceph on big-endian architectures such as s390x (LP: #1851290).

 -- Dariusz Gadomski <email address hidden> Wed, 06 Nov 2019 11:08:53 +0100

[Timo Aaltonen (tjaalton)]

Hello Dariusz, or anyone else affected,

Accepted ceph into eoan-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/ceph/14.2.4-0ubuntu0.19.10.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-eoan to verification-done-eoan. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-eoan. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

[Dariusz Gadomski (dgadomski)]

James, I assume that debdiff is not symlink-aware and it does produce the duplicated output. From what I see dpkg-source --commit produced a correct patch.

Is there a trick to make debdiff skip it? Or simply removing duplicated lines from debdiff output is the correct way to go?

I'd appreciate any hints. Thanks!

[Timo Aaltonen (tjaalton)]

Hello Dariusz, or anyone else affected,

Accepted ceph into bionic-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/ceph/12.2.12-0ubuntu0.18.04.4 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-bionic to verification-done-bionic. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-bionic. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

[James Page (james-page)]

Hello Dariusz, or anyone else affected,

Accepted ceph into queens-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:queens-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-queens-needed to verification-queens-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-queens-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Corey Bryant (corey.bryant)]

Hello Dariusz, or anyone else affected,

Accepted ceph into train-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:train-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-train-needed to verification-train-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-train-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Corey Bryant (corey.bryant)]

Hello Dariusz, or anyone else affected,

Accepted ceph into queens-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:queens-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-queens-needed to verification-queens-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-queens-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Timo Aaltonen (tjaalton)]

Hello Dariusz, or anyone else affected,

Accepted ceph into disco-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/ceph/13.2.7-0ubuntu0.19.04.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-disco to verification-done-disco. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-disco. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

[James Page (james-page)]

Hello Dariusz, or anyone else affected,

Accepted ceph into stein-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:stein-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-stein-needed to verification-stein-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-stein-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[James Page (james-page)]

Hello Dariusz, or anyone else affected,

Accepted ceph into rocky-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:rocky-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-rocky-needed to verification-rocky-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-rocky-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Corey Bryant (corey.bryant)]

Hello Dariusz, or anyone else affected,

Accepted ceph into stein-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:stein-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-stein-needed to verification-stein-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-stein-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Corey Bryant (corey.bryant)]

Hello Dariusz, or anyone else affected,

Accepted ceph into rocky-proposed. The package will build now and be available in the Ubuntu Cloud Archive in a few hours, and then in the -proposed repository.

Please help us by testing this new package. To enable the -proposed repository:

  sudo add-apt-repository cloud-archive:rocky-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-rocky-needed to verification-rocky-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-rocky-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

[Dariusz Gadomski (dgadomski)]

I have just verified bionic on an OSD with 20x10G disks with minimal load.
ceph-osd 12.2.12-0ubuntu0.18.04.3
$ time ceph-volume lvm list
...
real 0m21.900s

12.2.12-0ubuntu0.18.04.4
$ time ceph-volume lvm list
...
real 0m2.580s

[Dariusz Gadomski (dgadomski)]

I have verified eoan:
ceph-osd 14.2.2-0ubuntu3
$ time ceph-volume list
...
real 0m4.788s

ceph-osd 14.2.4-0ubuntu0.19.10.1
$ time ceph-volume list
...
real 0m1.189s

[Dariusz Gadomski (dgadomski)]

I've just verified disco.
ceph-osd 13.2.6-0ubuntu0.19.04.4
$ time ceph-volume lvm list
...
real 0m12.893s

ceph-osd 13.2.7-0ubuntu0.19.04.1
$ time ceph-volume lvm list
...
real 0m1.775s

[Dariusz Gadomski (dgadomski)]

Queens verification successful:

12.2.12-0ubuntu0.18.04.3~cloud0
$ time ceph-volume lvm list
...
real 0m12.613s

12.2.12-0ubuntu0.18.04.4~cloud0
$ time ceph-volume lvm list
...
real 0m1.647s

[Dariusz Gadomski (dgadomski)]

Rocky verification successful:

13.2.6-0ubuntu0.18.10.3~cloud0
$ time ceph-volume lvm list
...
real 0m10.061s

13.2.7-0ubuntu0.18.10.1~cloud0
$ time ceph-volume lvm list
...
real 0m1.952s

[Dariusz Gadomski (dgadomski)]

Stein verification successful:

13.2.6-0ubuntu0.19.04.4~cloud0
$ time ceph-volume lvm list
...
real 0m10.533s

13.2.7-0ubuntu0.19.04.1~cloud0
$ time ceph-volume lvm list
...
real 0m2.048s

[Dariusz Gadomski (dgadomski)]

Train verification successful:

14.2.2-0ubuntu3~cloud0
$ time ceph-volume lvm list
...
real 0m14.446s

14.2.4-0ubuntu0.19.10.1~cloud0
$ time ceph-volume lvm list
...
real 0m2.400s

[Łukasz Zemczak (sil2100)]

The verification of the Stable Release Update for ceph has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[Launchpad Janitor (janitor)]

This bug was fixed in the package ceph - 14.2.4-0ubuntu0.19.10.1

---------------
ceph (14.2.4-0ubuntu0.19.10.1) eoan; urgency=medium

  [ Dariusz Gadomski ]
  * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries in
    ceph-volume, resolving performance issues in systems under heavy load
    or with large numbers of disks (LP: #1850754).

  [ James Page ]
  * New upstream release (LP: #1850901):
    - d/p/CVE-2019-10222.patch,ceph-volume-wait-for-lvs.patch,
      more-py3-compat.patch: Drop, included upstream.
    - d/p/bluefs-use-uint64_t-for-len.patch: Cherry pick fix to resolve
      FTBFS on 32 bit architectures.
  * d/p/issue40114.patch: Cherry pick endian fixes to resolve issues
    using Ceph on big-endian architectures such as s390x (LP: #1851290).

 -- James Page <email address hidden> Fri, 22 Nov 2019 09:59:04 +0000

[Launchpad Janitor (janitor)]

This bug was fixed in the package ceph - 12.2.12-0ubuntu0.18.04.4

---------------
ceph (12.2.12-0ubuntu0.18.04.4) bionic; urgency=medium

  [ Billy Olsen ]
  * Do not validate fs caps on authorize (LP: #1847822):
    - d/p/dont-validate-fs-caps-on-authorize.patch: Do not validate
      the filesystem caps with a new client connection to the monitor
      when authorizing a client connection.

  [ Dan Hill ]
  * d/p/issue38454.patch: Cherry pick of fixes for misc RGW bugs
    and cleanup of garbage collection code (LP: #1843085).

  [ Dariusz Gadomski ]
  * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries
    in ceph-volume, resolving performance issues in systems under
    heavy load or with large numbers of disks (LP: #1850754).

 -- James Page <email address hidden> Thu, 28 Nov 2019 10:27:34 +0000

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 14.2.4-0ubuntu0.19.10.1~cloud0
---------------

 ceph (14.2.4-0ubuntu0.19.10.1~cloud0) bionic-train; urgency=medium
 .
   * New update for the Ubuntu Cloud Archive.
 .
 ceph (14.2.4-0ubuntu0.19.10.1) eoan; urgency=medium
 .
   [ Dariusz Gadomski ]
   * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries in
     ceph-volume, resolving performance issues in systems under heavy load
     or with large numbers of disks (LP: #1850754).
 .
   [ James Page ]
   * New upstream release (LP: #1850901):
     - d/p/CVE-2019-10222.patch,ceph-volume-wait-for-lvs.patch,
       more-py3-compat.patch: Drop, included upstream.
     - d/p/bluefs-use-uint64_t-for-len.patch: Cherry pick fix to resolve
       FTBFS on 32 bit architectures.
   * d/p/issue40114.patch: Cherry pick endian fixes to resolve issues
     using Ceph on big-endian architectures such as s390x (LP: #1851290).

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 13.2.7-0ubuntu0.19.04.1~cloud0
---------------

 ceph (13.2.7-0ubuntu0.19.04.1~cloud0) bionic-stein; urgency=medium
 .
   * New upstream release for the Ubuntu Cloud Archive.
 .
 ceph (13.2.7-0ubuntu0.19.04.1) disco; urgency=medium
 .
   * New upstream point release (LP: #1855859) including fix for
     ceph-volume performance issues (LP: #1850754).
     - d/p/CVE-2019-10222.patch,bug1832105.patch,
       ceph-volume-wait-for-lvs.patch,issue37490.patch,
       mgr-crash-fix-python3-invalid-syntax-problems.patch,
       more-py3-compat.patch: Drop, included upstream.
     - d/p/misc-32-bit-fixes.patch: Rebased.

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 13.2.7-0ubuntu0.18.10.1~cloud0
---------------

 ceph (13.2.7-0ubuntu0.18.10.1~cloud0) bionic; urgency=medium
 .
   * New upstream release for the Ubuntu Cloud Archive (LP: #1855859)
     including fix for ceph-volume performance issues (LP: #1850754):
     - d/p/CVE-2019-10222.patch,ceph-volume-wait-for-lvs.patch: Drop,
       include in upstream release.
     - d/p/misc-32-bit-fixes.patch: Rebase.

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 12.2.12-0ubuntu0.18.04.4~cloud0
---------------

 ceph (12.2.12-0ubuntu0.18.04.4~cloud0) xenial-queens; urgency=medium
 .
   * New update for the Ubuntu Cloud Archive.
 .
 ceph (12.2.12-0ubuntu0.18.04.4) bionic; urgency=medium
 .
   [ Billy Olsen ]
   * Do not validate fs caps on authorize (LP: #1847822):
     - d/p/dont-validate-fs-caps-on-authorize.patch: Do not validate
       the filesystem caps with a new client connection to the monitor
       when authorizing a client connection.
 .
   [ Dan Hill ]
   * d/p/issue38454.patch: Cherry pick of fixes for misc RGW bugs
     and cleanup of garbage collection code (LP: #1843085).
 .
   [ Dariusz Gadomski ]
   * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries
     in ceph-volume, resolving performance issues in systems under
     heavy load or with large numbers of disks (LP: #1850754).

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 13.2.7-0ubuntu0.19.04.1~cloud0
---------------

 ceph (13.2.7-0ubuntu0.19.04.1~cloud0) bionic-stein; urgency=medium
 .
   * New upstream release for the Ubuntu Cloud Archive.
 .
 ceph (13.2.7-0ubuntu0.19.04.1) disco; urgency=medium
 .
   * New upstream point release (LP: #1855859) including fix for
     ceph-volume performance issues (LP: #1850754).
     - d/p/CVE-2019-10222.patch,bug1832105.patch,
       ceph-volume-wait-for-lvs.patch,issue37490.patch,
       mgr-crash-fix-python3-invalid-syntax-problems.patch,
       more-py3-compat.patch: Drop, included upstream.
     - d/p/misc-32-bit-fixes.patch: Rebased.

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 13.2.7-0ubuntu0.18.10.1~cloud0
---------------

 ceph (13.2.7-0ubuntu0.18.10.1~cloud0) bionic; urgency=medium
 .
   * New upstream release for the Ubuntu Cloud Archive (LP: #1855859)
     including fix for ceph-volume performance issues (LP: #1850754):
     - d/p/CVE-2019-10222.patch,ceph-volume-wait-for-lvs.patch: Drop,
       include in upstream release.
     - d/p/misc-32-bit-fixes.patch: Rebase.

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 12.2.12-0ubuntu0.18.04.4~cloud0
---------------

 ceph (12.2.12-0ubuntu0.18.04.4~cloud0) xenial-queens; urgency=medium
 .
   * New update for the Ubuntu Cloud Archive.
 .
 ceph (12.2.12-0ubuntu0.18.04.4) bionic; urgency=medium
 .
   [ Billy Olsen ]
   * Do not validate fs caps on authorize (LP: #1847822):
     - d/p/dont-validate-fs-caps-on-authorize.patch: Do not validate
       the filesystem caps with a new client connection to the monitor
       when authorizing a client connection.
 .
   [ Dan Hill ]
   * d/p/issue38454.patch: Cherry pick of fixes for misc RGW bugs
     and cleanup of garbage collection code (LP: #1843085).
 .
   [ Dariusz Gadomski ]
   * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries
     in ceph-volume, resolving performance issues in systems under
     heavy load or with large numbers of disks (LP: #1850754).

[James Page (james-page)]

The verification of the Stable Release Update for ceph has completed successfully and the package has now been released to -updates. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

[James Page (james-page)]

This bug was fixed in the package ceph - 14.2.4-0ubuntu0.19.10.1~cloud0
---------------

 ceph (14.2.4-0ubuntu0.19.10.1~cloud0) bionic-train; urgency=medium
 .
   * New update for the Ubuntu Cloud Archive.
 .
 ceph (14.2.4-0ubuntu0.19.10.1) eoan; urgency=medium
 .
   [ Dariusz Gadomski ]
   * d/p/issue37490.patch: Cherry pick fix to optimize LVM queries in
     ceph-volume, resolving performance issues in systems under heavy load
     or with large numbers of disks (LP: #1850754).
 .
   [ James Page ]
   * New upstream release (LP: #1850901):
     - d/p/CVE-2019-10222.patch,ceph-volume-wait-for-lvs.patch,
       more-py3-compat.patch: Drop, included upstream.
     - d/p/bluefs-use-uint64_t-for-len.patch: Cherry pick fix to resolve
       FTBFS on 32 bit architectures.
   * d/p/issue40114.patch: Cherry pick endian fixes to resolve issues
     using Ceph on big-endian architectures such as s390x (LP: #1851290).