Is pitchfork using too much memory?

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I’d be interested to see the stats from a more busy forum. It seems that the cumulative number of requests is important, and mine is by no means very busy.

Yes, the RSS differences are relatively modest, but ranging from 300M to 500M there’s quite a difference in proportion.

More striking is the swap usage. Before recycling the pitchforks, I see

# free
               total        used        free      shared  buff/cache   available
Mem:         3904968     1888140       77308      679004     1939520     1147220
Swap:        4194288     1226344     2967944

and after

# free
               total        used        free      shared  buff/cache   available
Mem:         3904968     1486412     1422380      640744      996176     1587908
Swap:        4194288      309892     3884396

Looks to me like 1300M freed by recycling (difference of used+swap)

I don’t believe I saw this much swap needed when using unicorn: hence the title.

As I say, interested in seeing numbers from other instances.