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

[Dan Hill]

** Description changed:

  [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, "so_max_connections".
+ This patch adds a new user-configurable parameter, "max_connections".
  
  See:
  https://github.com/civetweb/civetweb/issues/775

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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:
  In Progress
Status in ceph source package in Disco:
  In Progress
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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