How to bump ulimit?

[Jacek Nykis]

Hello,

I have a server application that hit max open files limit, which by
default is set to 1024.

I'd like to bump that limit significantly but it appears that I can only
go as high as 4096. When I try with value 4097 I'm getting this:

7: ulimit: error setting limit (Operation not permitted)

Is there a way to increase ulimit values beyond 4096?

-- 
Regards,
Jacek

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