[Bug 1838109] Re: civetweb does not allow tuning of maximum socket connections

[Łukasz Zemczak]

Hello Jesse, or anyone else affected,

Accepted ceph into disco-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/ceph/13.2.6-0ubuntu0.19.04.4 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-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.

** Changed in: ceph (Ubuntu Disco)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-disco

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https://bugs.launchpad.net/bugs/1838109

Title:
  civetweb does not allow tuning of maximum socket connections

Status in Ceph:
  Unknown
Status in Ubuntu Cloud Archive:
  In Progress
Status in Ubuntu Cloud Archive queens series:
  In Progress
Status in Ubuntu Cloud Archive rocky series:
  In Progress
Status in Ubuntu Cloud Archive stein series:
  In Progress
Status in Ubuntu Cloud Archive train series:
  In Progress
Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Bionic:
  Fix Committed
Status in ceph source package in Disco:
  Fix Committed
Status in ceph source package in Eoan:
  Fix Released

Bug description:
  [Impact]
  RADOS gateway can run out of sockets prior to consuming the CPU and memory resources on the server on which it is running.

  [Test Case]
  Deploy RGW to a large server; scale test - RGW processes will only be able to service around 100 open connections.

  [Regression Potential]
  Medium; the fix introduces a new configuration option for civetweb (the web connector for RGW) to allow the max connections to be set via configuration, rather than being set during compilation; improvement has been accepted upstream in the civetweb project.

  [Original Bug Report]
  Civetweb does not offer an option for configuring the maximum number of sockets available. Some users run out of sockets and are left with no workaround.

  This patch adds a new user-configurable parameter, "max_connections".

  See:
  https://github.com/civetweb/civetweb/issues/775

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