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https://issues.apache.org/jira/browse/TS-4957?focusedWorklogId=31469&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-31469
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ASF GitHub Bot logged work on TS-4957:
--------------------------------------
Author: ASF GitHub Bot
Created on: 02/Nov/16 18:56
Start Date: 02/Nov/16 18:56
Worklog Time Spent: 10m
Work Description: Github user atsci commented on the issue:
https://github.com/apache/trafficserver/pull/1171
Linux build *successful*! See
https://ci.trafficserver.apache.org/job/Github-Linux/1042/ for details.
Issue Time Tracking
-------------------
Worklog Id: (was: 31469)
Time Spent: 2h 40m (was: 2.5h)
> 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: 7.1.0
>
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> 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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