[Bug 2073787] Re: apport-retrace needs more than 1 GB memory (when using sandbox)

[Benjamin Drung]

For reference the sizes of the Contents files:

## jammy

Compressed:

```
$ du -B M -s *jammy*Contents* | sort -n
19M	jammy-proposed-Contents-amd64.gz
45M	jammy-Contents-amd64.gz
122M	jammy-security-Contents-amd64.gz
126M	jammy-updates-Contents-amd64.gz
```

Uncompressed:

```
$ du -B M -s *jammy*Contents* | sort -n
339M	jammy-proposed-Contents-amd64
717M	jammy-Contents-amd64
2242M	jammy-security-Contents-amd64
2306M	jammy-updates-Contents-amd64
```

## noble

Compressed:

```
$ du -B M -s *noble*Contents* | sort -n
3M	noble-proposed-Contents-amd64.gz
11M	noble-security-Contents-amd64.gz
11M	noble-updates-Contents-amd64.gz
49M	noble-Contents-amd64.gz
```

Uncompressed:

```
$ du -B M -s *noble*Contents* | sort -n
44M	noble-proposed-Contents-amd64
182M	noble-security-Contents-amd64
188M	noble-updates-Contents-amd64
791M	noble-Contents-amd64
```

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https://bugs.launchpad.net/bugs/2073787

Title:
  apport-retrace needs more than 1 GB memory (when using sandbox)

Status in Apport:
  Triaged
Status in apport package in Ubuntu:
  Triaged

Bug description:
  The system tests test_retrace_system_sandbox and
  test_retrace_jammy_sandbox fail on arm64, ppc64el, s390x, because
  apport-retrace is killed by the OOM killer. Example:

  autopkgtest kernel: Out of memory: Killed process 3597 (apport-
  retrace) total-vm:1512420kB, anon-rss:1241460kB, file-rss:2592kB,
  shmem-rss:0kB, UID:0 pgtables:2554kB oom_score_adj:0

  Log: https://autopkgtest.ubuntu.com/results/autopkgtest-oracular-
  bdrung-apport/oracular/s390x/a/apport/20240722_145904_d3c2f@/log.gz

  apport-retrace should be able to retrace crashes without needing
  multiple gigabytes of memory.

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