During upgrades Bundler uses a lot of memory in relation to the rest of the installation during the assets precompilation. This would hint at some VM object refcount thing not releasing the touched objects (files having been read in?) and thus the GC not firing and doing its job. Most likely this is…

@sgrif is painfully aware of this :slight_smile: The bad news, at the moment stuff is looking even worse if we upgrade to sprockets 4 (we are on 3) The good news, some time this year we plan to move off sprockets altogether and make this a non-issue.

I figured you would hit this bit of juggling on your hosted services and hoped you would have cooked up a pattern in-house. If you have a public ticket on an open source component for that at some point, do cross post here - I’m willing to help tackle this (design-side, implementation-side, just ge…

RUBY_GC_MALLOC_LIMIT_MAX=20971520 RUBY_GC_OLDMALLOC_LIMIT_MAX=20971520 RUBY_GC_HEAP_GROWTH_MAX_SLOTS=50000 RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR=0.9 bundle exec rake assets:precompile Seems you fixed this via GC parametres at some point as of late, thank you.

Any progress on this issue? We are seeing 14GB of memory being allocated when creating an EMPTY instance of 3.2.1 before it runs out of memory and dies.

Could you share output of vmstat 5 in this case? If you’re looking at ps or top then you might be seeing something other than the memory that’s in use. Allocated memory isn’t so important if it’s not in use. For example, in ps output I see VSZ and RSS. I care about the RSS. # ps uax|egrep '[0-9]…

High memory use during assets precompilation

Development

davidnmbond (David Bond) Avril 12, 2024, 1:23 5

Des progrès sur ce problème ? Nous constatons que 14 Go de mémoire sont alloués lors de la création d’une instance VIDE de 3.2.1 avant qu’elle ne manque de mémoire et ne plante.

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High memory use during assets precompilation

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