mirror of
https://github.com/discourse/discourse.git
synced 2024-11-23 07:38:01 +08:00
30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
24 lines
524 B
Ruby
24 lines
524 B
Ruby
# frozen_string_literal: true
|
|
|
|
class MemInfo
|
|
|
|
# Total memory in kb. On Mac OS uses "sysctl", elsewhere expects the system has /proc/meminfo.
|
|
# Returns nil if it cannot be determined.
|
|
def mem_total
|
|
@mem_total ||=
|
|
begin
|
|
system = `uname`.strip
|
|
if system == "Darwin"
|
|
s = `sysctl -n hw.memsize`.strip
|
|
s.to_i / 1.kilobyte
|
|
else
|
|
s = `grep MemTotal /proc/meminfo`
|
|
/(\d+)/.match(s)[0].try(:to_i)
|
|
end
|
|
rescue
|
|
nil
|
|
end
|
|
end
|
|
|
|
end
|