https://bugzilla.wikimedia.org/show_bug.cgi?id=30550
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Bug #: 30550
Summary: $wgMaxShellMemory too low for stock ImageMagick on
RHEL / CentOS 6
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Images and files
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
The stock ImageMagick shipped with RHEL / CentOS 6 is compiled with OpenMP, and
this seems to vastly increase its (virtual) memory usage. The default setting
for $wgMaxShellMemory, 100MB, is not even enough for convert to start up.
Raising it to 1024MB only allows it to work on small images—convert segfaults
on a 1,485 × 2,070 pixel, 1.79 MB JPEG. Given that this only limits *virtual*
memory usage, and that this is (or, at least, will be) a common stock setup,
perhaps it is worth considering changing the default value of $wgMaxShellMemory
to 'unlimited', or otherwise changing what it means.
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