[Bug 1894453] Re: Building Ceph packages with RelWithDebInfo

[Launchpad Bug Tracker]

This bug was fixed in the package ceph - 15.2.5-0ubuntu1

---------------
ceph (15.2.5-0ubuntu1) groovy; urgency=medium

  [ Corey Bryant ]
  * d/control: Remove Breaks/Replaces that are older than Focal (LP: #1878419).
  * d/p/enable-strsignal.patch: Enable HAVE_REENTRANT_STRSIGNAL for groovy
    to fix FTBFS with glibc 2.32.
  * d/p/rules: Enable RelWithDebInfo (LP: #1894453).

  [ James Page ]
  * New upstream point release (LP: #1898200).
  * d/p/fix-crash-in-committed-osd-maps.patch: Drop, included upstream.
  * d/p/*: Refresh.
  * d/libcephfs-dev.install: Drop ceph_statx.h.

  [ Dimitri John Ledkov ]
  * d/rules,control: Enable boost context usage on s390x (LP: #1694926).

 -- James Page <james.page at ubuntu.com>  Tue, 06 Oct 2020 12:01:52 +0100

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

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https://bugs.launchpad.net/bugs/1894453

Title:
  Building Ceph packages with RelWithDebInfo

Status in ceph package in Ubuntu:
  Fix Released

Bug description:
  This is to consider/discuss the possibility of whether the Ceph
  packages (UCA) should be built with RelWithDebInfo build option
  (CMAKE_BUILD_TYPE [0]) which can be supplied to the build script
  do_cmake.sh [1].

  Currently, Upstream as well as UCA builds default to 'Debug' [0]
  builds. But is any reason why shouldn't go for RelWithDebInfo (i.e.
  "Release with Debug information")?

  
  There's one issue noted with RelWithDebInfo which has a workaround too [2].

  In general, gcc's -O2 [3] build should generate better code as well as
  there's a specific case for Ceph [4] that it improves performance.

  [0] https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html

  [1] https://github.com/ceph/ceph/blob/master/do_cmake.sh

  [2] https://docs.ceph.com/docs/master/dev/perf/#common-issues

  [3] https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html

  [4] https://bugs.gentoo.org/show_bug.cgi?id=733316

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