[Bug 1279701] [NEW] update-apt-xiapian-index uses too much memory with a large amount of package sources

[Philip Muškovac]

Public bug reported:

I was wondering why my system suddenly started to swap a lot shortly
after resume from suspend and found that update-apt-xiapian-index was
the culprit after force-oomkill-ing some things to get the system
responsive again.

After watching it a bit, top showed this:
PID USER      PR  NI  VIRT  RES  SHR SWAP S  %CPU %MEM    TIME+  COMMAND 
  20183 root      39  19 1500m 1.3g 3744  99m R  99.4 35.8   3:31.91 /usr/bin/python /usr/sbin/update-apt-xapian-index --quiet

My sources.list is comparatively huge, but an automatically triggered
background process shouldn't require almost 1.5G of memory (that's a lot
on a system with 4G available)

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: apt-xapian-index 0.45ubuntu3
ProcVersionSignature: Ubuntu 3.11.0-15.25-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
Date: Thu Feb 13 09:54:16 2014
EcryptfsInUse: Yes
MarkForUpload: True
PackageArchitecture: all
SourcePackage: apt-xapian-index
UpgradeStatus: Upgraded to saucy on 2013-03-06 (343 days ago)

** Affects: apt-xapian-index (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug saucy

** Attachment added: "sources.list"
   https://bugs.launchpad.net/bugs/1279701/+attachment/3979420/+files/sources.list

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https://bugs.launchpad.net/bugs/1279701

Title:
  update-apt-xiapian-index uses too much memory with a large amount of
  package sources

Status in “apt-xapian-index” package in Ubuntu:
  New

Bug description:
  I was wondering why my system suddenly started to swap a lot shortly
  after resume from suspend and found that update-apt-xiapian-index was
  the culprit after force-oomkill-ing some things to get the system
  responsive again.

  After watching it a bit, top showed this:
  PID USER      PR  NI  VIRT  RES  SHR SWAP S  %CPU %MEM    TIME+  COMMAND 
    20183 root      39  19 1500m 1.3g 3744  99m R  99.4 35.8   3:31.91 /usr/bin/python /usr/sbin/update-apt-xapian-index --quiet

  My sources.list is comparatively huge, but an automatically triggered
  background process shouldn't require almost 1.5G of memory (that's a
  lot on a system with 4G available)

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: apt-xapian-index 0.45ubuntu3
  ProcVersionSignature: Ubuntu 3.11.0-15.25-generic 3.11.10
  Uname: Linux 3.11.0-15-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  Date: Thu Feb 13 09:54:16 2014
  EcryptfsInUse: Yes
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: apt-xapian-index
  UpgradeStatus: Upgraded to saucy on 2013-03-06 (343 days ago)

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