How to determine memory consumption?

Question

There is a limit of 256 MB on the account in terms of memory consumption for Web applications.

How is WebFaction measuring that? I would like to know in order to determine how WebFaction views my application's memory usage, and in order to be able to determine if I will eventually need to perform optimizations to reduce memory usage.

I'm aware of how much memory it takes to run on my system, but my system and their system are completely different creatures, which is why I want to know if anyone knows how WebFaction does it.

BTW, the application is question is running inside a Python virtualenv, using Django. This should not make any major differences, but I list it for completeness sake.

Thanks!

Accepted Answer

16

You just need to add up the amount of memory your processes are using. The following command will give you a list of processes their memory usage and a total.

ps -u <username> -o pid,rss,command | awk '{print $0}{sum+=$2} END {print "Total", sum/1024, "MB"}'

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answered 15 Apr '12, 11:30

bmeyer71 ♦♦
1.4k●2●6●13
accept rate: 33%

Just wanted to be sure that it was RSS they use and not some other method, such as one that might account for identical pages (and thus lower the result). Thanks!

BTW, I tried (but failed) to upvote your answer. Sorry I couldn't do that.

(15 Apr '12, 17:13) mbt

No worries. Glad I could help.

(15 Apr '12, 17:22) bmeyer71 ♦♦

How to determine memory consumption?

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