Bryan Call updated TS-4957:
    Fix Version/s: sometime

> Make the use of madvise() with MADV_DONTDUMP configurable
> ---------------------------------------------------------
>                 Key: TS-4957
>                 URL: https://issues.apache.org/jira/browse/TS-4957
>             Project: Traffic Server
>          Issue Type: Improvement
>          Components: Core
>            Reporter: John Rushford
>            Assignee: John Rushford
>             Fix For: sometime
> We have run into problems with ATS 5.3.x when using madvise() with the 
> MADV_DONTDUMP option to exclude IO buffers from core files.  Under load, we 
> have seen high cpu loads and very slow time to serve times when allocating IO 
> buffers and marking them with this flag.  We have had to disable calls to 
> madvise() in ats_madvise(), rebuild and redeploy to fix this problem.  We'd 
> like to make the use of madvise() with the MADV_DONTDUMP option configurable. 
>  The PR associated with this ticket uses a patch from TS-3417 that implements 
> making MADV_DONTDUMP configurable.

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