Raise the default memory allocation to jsub/jstart jobs from 256M to at least 400M.
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https://wikitech.wikimedia.org/wiki/Help:Tool_Labs#Why_am_I_getting_errors_about_libgcc_s.so.1_must_be_installed_for_pthread_cancel_to_work.3F states:
"As a rule, most scripting language require around 300-350M of virtual memory to load completely".
OOM issues are sometimes hard to discover and annoying. Please raise the default settings to avoid many such issues.

Related Gerrit Patches:

labs/toollabs : master	jsub: Default memory allocation to 512M
labs/toollabs : master	jsub: Raise default memory allocation to 400M

Mentioned In: T134495: Create a "my first Pywikibot bot" tutorial for Toolforge

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Change 257062 had a related patch set uploaded (by Zhuyifei1999):
jsub: Raise default memory allocation to 400M

Change 257062 merged by coren:
jsub: Raise default memory allocation to 400M

400M is still reasonable; and 256M was arguably too conservative given it didn't allow most scripting langues.

After discussion on IRC, we'll go with a more generous and round 512M limit.

coren triaged this task as Medium priority.Dec 7 2015, 6:02 PM

Change 257383 had a related patch set uploaded (by coren):
jsub: Default memory allocation to 512M

Change 257383 merged by coren:
jsub: Default memory allocation to 512M

New version (1.7) with 512M default sent to tools' apt repo.