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https://issues.apache.org/jira/browse/TS-88?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806780#action_12806780
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Leif Hedstrom commented on TS-88:
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This sounds fine as an "optional" solution, but we need something much more
portable and generic than this. All the requirements above are way above what
we can expect from many Linux systems, and certainly not for anything outside
linux. So, my suggestion is to implement a solution that is still based on
calling setrlimit() as root before starting up traffic_server, and optionally
implement the above. The above would be disabled by default, and enabled with
appropriate --enable configure options.
> traffic_server not able to setrlimit > 1024 on FDs
> --------------------------------------------------
>
> Key: TS-88
> URL: https://issues.apache.org/jira/browse/TS-88
> Project: Traffic Server
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0a
> Reporter: Leif Hedstrom
> Assignee: George Paul
>
> When starting TS, i get a warning / error like this:
> [example_alarm_bin.sh] sent alarm: loki.ogre.com [Tue Dec 15 20:33:55 2009]
> connection throttle too high, 10000 (throttle) + 192 (internal use) > 8192
> (file descriptor limit), using throttle of 8000
> stracing traffic_manager, I see:
> r...@loki 332/1 # strace -f -e trace=setrlimit ./bin/traffic_manager 2>&1 |
> grep setrlimit
> [pid 24114] setrlimit(RLIMIT_CPU, {rlim_cur=RLIM_INFINITY,
> rlim_max=RLIM_INFINITY}) = 0
> [pid 24114] setrlimit(RLIMIT_FSIZE, {rlim_cur=RLIM_INFINITY,
> rlim_max=RLIM_INFINITY}) = 0
> [pid 24114] setrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=1024}) = 0
> [pid 24126] setrlimit(RLIMIT_CORE, {rlim_cur=0, rlim_max=0}) = 0
> [pid 24126] setrlimit(RLIMIT_NOFILE, {rlim_cur=10000, rlim_max=10000}) = -1
> EPERM (Operation not permitted)
> The last call is from traffic_server, indicating that it's not able to
> setrlimit() to 10000. This would only happen (I think) if at this point it's
> running as a non-root user. If I run traffic_server as root directly, I don't
> have this problem (i.e. when it calls setrlimit() as root, it works fine).
> This is using a standard installation in /usr/local.
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