What is the maximum amount of local memory (not Memcache) each instance of a Google App engine app is allowed to consume?
I couldn't find any information on the GAE quotas page.
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Nick Johnson mentions something about having a limit on the instance memory, on this post: http://blog.notdot.net/2010/11/Storage-options-on-App-Engine But not the ammount. :( – Jorge Guberte Nov 20 '10 at 12:43
2 Answers
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The maximum memory limit for an App Engine instance depends on the instance class that you choose. The default limit is 128 MB. The following classes are currently available:
- F1 and B1 - 128 MB
- F2 and B2 - 256 MB
- F4 and B4 - 512 MB
- F4_1G, B4_1G - 1024 MB
Edit: Second generation instances have double the memory:
- F1 and B1 - 256 MB
- F2 and B2 - 512 MB
- F4 and B4 - 1024 MB
- F4_HIGHMEM and B4_HIGHMEM - 2048 MB
- B8 - 2048 MB
fileyfood500
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mndrix
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1@user2284570 the link you provided is for Compute Engine. App Engine has different memory limits – mndrix Jul 26 '16 at 11:30
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Anyway, the link in your answer does no longer contains that information. You must update it. – user2284570 Jul 26 '16 at 19:00
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The maximum amount of local memory is not documented.
speculation:
I believe they have not imposed any hard limits because it may depend on your application traffic/load/activity and by other GAE applications.
There's an open issue MemoryError undocumented/hard to predict that you might want to star.
EDIT:
Reading the new Backends documentation here it seems capped to 128MB
systempuntoout
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